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Human Metabolome Database Version 2.5

 

Showing metabocard for Glucosamine (HMDB01514)

Legend: metabolite field enzyme field

Version 2.5
Creation Date 2005-11-16 15:48:42
Update Date 2010-07-13 12:16:01
Accession Number HMDB01514
Secondary Accession Numbers HMDB06479
Common Name Glucosamine
Description In the United States, glucosamine is not approved by the Food and Drug Administration for medical use in humans. Since glucosamine is classified as a dietary supplement, evidence of safety and efficacy is not required as long as it is not advertised as a treatment for a medical condition . Nevertheless, glucosamine is a popular alternative medicine used by consumers for the treatment of osteoarthritis. Glucosamine is also extensively used in veterinary medicine as an unregulated but widely accepted supplement (Nolen RS, 2002). Treatment with oral glucosamine is commonly used for the treatment of osteoarthritis. Since glucosamine is a precursor for glycosaminoglycans, and glycosaminoglycans are a major component of joint cartilage, supplemental glucosamine may help to rebuild cartilage and treat arthritis. However, there is little evidence that any clinical effect of glucosamine works this way (Laverty et al., 2005; Biggee et al., 2005). Its use as a therapy for osteoarthritis appears safe but there is conflicting evidence as to its effectiveness. Glucosamine (C6H14NO5) is an amino sugar that is an important precursor in the biochemical synthesis of glycosylated proteins and lipids.
Synonyms
  1. 2-Amino-2-deoxy-D-glucopyranose
  2. 2-amino-2-deoxy-D-Glucose
  3. 2-Amino-2-deoxyglucose
  4. 2-Aminoglucose
  5. 2-Deoxy-2-amino-D-glucose
  6. 2-Deoxy-2-aminoglucose
  7. Chitosamine
  8. Cosamin
  9. D-(+)-Glucosamine
  10. D-Glucosamine
Chemical IUPAC Name (3R,4R,5S,6R)-3-amino-6-(hydroxymethyl)oxane-2,4,5-triol
Chemical Formula C6H13NO5
Chemical Structure Structure
Chemical Taxonomy
Kingdom
  • Organic
Super Class
  • Carbohydrates and Carbohydrate conjugates
Class
  • Aminoglycosides
Sub Class
  • Monosaccharides
Family
  • Mammalian Metabolite
Species
  • hemiacetal
  • primary alcohol
  • secondary alcohol
  • 1,2-diol
  • 1,2-aminoalcohol
  • primary amine
  • primary aliphatic amine (alkylamine)
  • heterocyclic compound
Biofunction
  • Component of Aminosugars metabolism
  • Component of Glutamate metabolism
Application
—
Source
  • Endogenous
Average Molecular Weight 179.171
Monoisotopic Molecular Weight 179.079376
Isomeric SMILES N[C@@H]1C(O)O[C@@H](CO)[C@H](O)[C@H]1O
Canonical SMILES NC1C(O)OC(CO)C(O)C1O
KEGG Compound ID C00329 Link Image
BioCyc ID GLUCOSAMINE Link Image
BiGG ID 34633 Link Image
Wikipedia Link Glucosamine Link Image
NuGOwiki Link HMDB01514 Link Image
Metagene Link HMDB01514 Link Image
METLIN ID 266 Link Image
PubChem Compound 439213 Link Image
PubChem Substance 3623 Link Image
ChEBI ID 17315 Link Image
CAS Registry Number 3416-24-8
InChI Identifier InChI=1/C6H13NO5/c7-3-5(10)4(9)2(1-8)12-6(3)11/h2-6,8-11H,1,7H2/t2-,3-,4-,5-,6?/m0/s1
Synthesis Reference Li, Nan; Li, Jiheng. Preparation of D-glucosamine hydrochloride. Zhongguo Yaoke Daxue Xuebao (1997), 28(1), 56-58.
Melting Point (Experimental) 88 oC
Experimental Water Solubility 330 mg/mL [HMP experimental] Source: PhysProp
Predicted Water Solubility 551.0 mg/mL [Predicted by ALOGPS]; 1000 mg/mL at 25 oC [MEYLAN,WM et al. (1996)] Calculated using ALOGPS
Physiological Charge 1
State Solid
Experimental LogP/Hydrophobicity Not Available Source: PhysProp
Predicted LogP/Hydrophobicity -2.4 [Predicted by PubChem via XLOGP]; -4.23 [MEYLAN,WM & HOWARD,PH (1995)]; -2.73 [Predicted by ALOGPS] Calculated using ALOGPS
Material Safety Data Sheet (MSDS)
MOL File Show
SDF File Show
PDB File Show
2D Structure
3D Structure
Experimental PDB ID 1QGI Link Image
Experimental PDB File Show
Experimental PDB Structure
Experimental 1H NMR Spectrum Download FID (Varian)
Show Experimental Conditions Link Image
Experimental 13C NMR Spectrum Not Available
Experimental 13C HSQC Spectrum Download Spectrum
Download FID (Bruker)
Show Experimental Conditions Link Image
Predicted 1H NMR Spectrum Show Image
Show Peaklist
Predicted 13C NMR Spectrum Show Image
Show Peaklist
Mass Spectrum
Low Energy
Download File
Show Experimental Conditions Link Image
Medium Energy
Download File
Show Experimental Conditions Link Image
High Energy
Download File
Show Experimental Conditions Link Image
Simplified TOCSY Spectrum Show Image
Show Peaklist
BMRB Spectrum Show Image
Show Peaklist
Cellular Location
  • Cytoplasm (Predicted from LogP)
  • Extracellular
Biofluid Location
  • Blood
  • Urine
Tissue Location
Tissue References
Cartilage —
Epidermis —
Fibroblasts —
Intestine —
Platelet —
Concentrations (Normal)
Biofluid Blood
Value 0.29 (0.0-0.6) uM
Age Adult:>18 yrs old
Sex Both
Patient information Normal
Comments Not Available
References
  • Persiani S, Rotini R, Trisolino G, Rovati LC, Locatelli M, Paganini D, Antonioli D, Roda A: Synovial and plasma glucosamine concentrations in osteoarthritic patients following oral crystalline glucosamine sulphate at therapeutic dose. Osteoarthritis Cartilage. 2007 Jul;15(7):764-72. Epub 2007 Mar 13. [PubMed Link Image]
Biofluid Urine
Value 1.45 umol/mmol creatinine
Age Adult:>18 yrs old
Sex Both
Patient information Normal
Comments Not Available
References
  • Guo K, Li L: Differential (12)C-/(13)C-Isotope Dansylation Labeling and Fast Liquid Chromatography/Mass Spectrometry for Absolute and Relative Quantification of the Metabolome. Anal Chem. 2009 Mar 23. [PubMed Link Image]
Concentrations (Abnormal) Not Available
Associated Disorders Not Available
OMIM ID Not Available
Pathways
Name SMPDB Link KEGG Link
Amino Sugar Metabolism SMP00045 Link Image map00520 Link Image
General References
  1. Thatte HS, Zagarins S, Khuri SF, Fischer TH: Mechanisms of poly-N-acetyl glucosamine polymer-mediated hemostasis: platelet interactions. J Trauma. 2004 Jul;57(1 Suppl):S13-21. [PubMed Link Image]
  2. Ruoslahti E, Engvall E, Hayman EG, Spiro RG: Comparative studies on amniotic fluid and plasma fibronectins. Biochem J. 1981 Jan 1;193(1):295-9. [PubMed Link Image]
  3. Rhodes M, Allen A, Dowling RH, Murphy G, Lennard TW: Inhibition of human gall bladder mucus synthesis in patients undergoing cholecystectomy. Gut. 1992 Aug;33(8):1113-7. [PubMed Link Image]
  4. Cibere J, Thorne A, Kopec JA, Singer J, Canvin J, Robinson DB, Pope J, Hong P, Grant E, Lobanok T, Ionescu M, Poole AR, Esdaile JM: Glucosamine sulfate and cartilage type II collagen degradation in patients with knee osteoarthritis: randomized discontinuation trial results employing biomarkers. J Rheumatol. 2005 May;32(5):896-902. [PubMed Link Image]
  5. Morita H, Kettlewell MG, Jewell DP, Kent PW: Glycosylation and sulphation of colonic mucus glycoproteins in patients with ulcerative colitis and in healthy subjects. Gut. 1993 Jul;34(7):926-32. [PubMed Link Image]
  6. Zhang LJ, Huang TM, Fang XL, Li XN, Wang QS, Zhang ZW, Sha XY: Determination of glucosamine sulfate in human plasma by precolumn derivatization using high performance liquid chromatography with fluorescence detection: its application to a bioequivalence study. J Chromatogr B Analyt Technol Biomed Life Sci. 2006 Sep 14;842(1):8-12. Epub 2006 Jun 5. [PubMed Link Image]
  7. Hoffer LJ, Kaplan LN, Hamadeh MJ, Grigoriu AC, Baron M: Sulfate could mediate the therapeutic effect of glucosamine sulfate. Metabolism. 2001 Jul;50(7):767-70. [PubMed Link Image]
  8. Huang TM, Cai L, Yang B, Zhou MX, Shen YF, Duan GL: Liquid chromatography with electrospray ionization mass spectrometry method for the assay of glucosamine sulfate in human plasma: validation and application to a pharmacokinetic study. Biomed Chromatogr. 2006 Mar;20(3):251-6. [PubMed Link Image]
  9. Biggee BA, Blinn CM, McAlindon TE, Nuite M, Silbert JE: Low levels of human serum glucosamine after ingestion of glucosamine sulphate relative to capability for peripheral effectiveness. Ann Rheum Dis. 2006 Feb;65(2):222-6. Epub 2005 Aug 3. [PubMed Link Image]
  10. McCarty MF: Enhanced synovial production of hyaluronic acid may explain rapid clinical response to high-dose glucosamine in osteoarthritis. Med Hypotheses. 1998 Jun;50(6):507-10. [PubMed Link Image]
  11. Uitterlinden EJ, Jahr H, Koevoet JL, Jenniskens YM, Bierma-Zeinstra SM, Degroot J, Verhaar JA, Weinans H, van Osch GJ: Glucosamine decreases expression of anabolic and catabolic genes in human osteoarthritic cartilage explants. Osteoarthritis Cartilage. 2006 Mar;14(3):250-7. Epub 2005 Nov 18. [PubMed Link Image]
  12. Cope GF, Heatley RV, Kelleher J, Axon AT: In vitro mucus glycoprotein production by colonic tissue from patients with ulcerative colitis. Gut. 1988 Feb;29(2):229-34. [PubMed Link Image]
  13. McCarty MF: Glucosamine may retard atherogenesis by promoting endothelial production of heparan sulfate proteoglycans. Med Hypotheses. 1997 Mar;48(3):245-51. [PubMed Link Image]
  14. Cheung HS, Nicoloff JT, Kamiel MB, Spolter L, Nimni ME: Stimulation of fibroblast biosynthetic activity by serum of patients with pretibial myxedema. J Invest Dermatol. 1978 Jul;71(1):12-7. [PubMed Link Image]
  15. Valeri CR, Srey R, Tilahun D, Ragno G: In vitro effects of poly-N-acetyl glucosamine on the activation of platelets in platelet-rich plasma with and without red blood cells. J Trauma. 2004 Jul;57(1 Suppl):S22-5; discussion S25. [PubMed Link Image]
  16. Wikipedia Link Image
Metabolic Enzymes
  1. Glucokinase
  2. Hexokinase-3
  3. Hexokinase-2
  4. Hexokinase-1
  5. Tumor necrosis factor precursor
  6. Di-N-acetylchitobiase precursor
  7. cDNA FLJ78173, highly similar to Homo sapiens hexokinase 1 (HK1) mRNA
  8. Peptide-N(4)-(N-acetyl-beta-glucosaminyl)asparagine amidase
Enzyme 1 [top]
Enzyme 1 ID 5442
Enzyme 1 Name Glucokinase
Enzyme 1 Synonyms
  1. Hexokinase-4
  2. Hexokinase type IV
  3. HK IV
  4. HK4
  5. Hexokinase-D
Enzyme 1 Gene Name GCK
Enzyme 1 Protein Sequence >Glucokinase 
MLDDRARMEAAKKEKVEQILAEFQLQEEDLKKVMRRMQKEMDRGLRLETHEEASVKMLPT
YVRSTPEGSEVGDFLSLDLGGTNFRVMLVKVGEGEEGQWSVKTKHQMYSIPEDAMTGTAE
MLFDYISECISDFLDKHQMKHKKLPLGFTFSFPVRHEDIDKGILLNWTKGFKASGAEGNN
VVGLLRDAIKRRGDFEMDVVAMVNDTVATMISCYYEDHQCEVGMIVGTGCNACYMEEMQN
VELVEGDEGRMCVNTEWGAFGDSGELDEFLLEYDRLVDESSANPGQQLYEKLIGGKYMGE
LVRLVLLRLVDENLLFHGEASEQLRTRGAFETRFVSQVESDTGDRKQIYNILSTLGLRPS
TTDCDIVRRACESVSTRAAHMCSAGLAGVINRMRESRSEDVMRITVGVDGSVYKLHPSFK
ERFHASVRRLTPSCEITFIESEEGSGRGAALVSAVACKKACMLGQ
Enzyme 1 Number of Residues 465
Enzyme 1 Molecular Weight 52192
Enzyme 1 Theoretical pI 4.85
Enzyme 1 GO Classification
Function
  • ATP binding
  • adenyl nucleotide binding
  • binding
  • catalytic activity
  • hexokinase activity
  • nucleotide binding
  • phosphotransferase activity, alcohol group as acceptor
  • purine nucleotide binding
  • transferase activity
  • transferase activity, transferring phosphorus-containing groups
Process
  • alcohol metabolism
  • cellular metabolism
  • glucose catabolism
  • glucose metabolism
  • glycolysis
  • hexose metabolism
  • metabolism
  • monosaccharide metabolism
  • physiological process
Component
—
Enzyme 1 General Function Not Available
Enzyme 1 Specific Function Catalyzes the initial step in utilization of glucose by the beta-cell and liver at physiological glucose concentration. Glucokinase has a high Km for glucose, and so it is effective only when glucose is abundant. The role of GCK is to provide G6P for the synthesis of glycogen. Pancreatic glucokinase plays an important role in modulating insulin secretion. Hepatic glucokinase helps to facilitate the uptake and conversion of glucose by acting as an insulin-sensitive determinant of hepatic glucose usage
Enzyme 1 Pathways
Enzyme 1 Reactions
  • ATP + D-glucose = ADP + D-glucose 6-phosphate
Enzyme 1 Pfam Domain Function
Enzyme 1 Signals
  • None
Enzyme 1 Transmembrane Regions
  • None
Enzyme 1 Essentiality Not Available
Enzyme 1 GenBank ID Protein 179427 Link Image
Enzyme 1 UniProtKB/Swiss-Prot ID P35557 Link Image
Enzyme 1 UniProtKB/Swiss-Prot Entry Name HXK4_HUMAN Link Image
Enzyme 1 PDB ID 1V4T Link Image
Enzyme 1 PDB File Show
Enzyme 1 3D Structure
Enzyme 1 Cellular Location Not Available
Enzyme 1 Gene Sequence >1398 bp 
ATGCTGGACGACAGAGCCAGGATGGAGGCCGCCAAGAAGGAGAAGGTAGAGCAGATCCTG
GCAGAGTTCCAGCTGCAGGAGGAGGACCTGAAGAAGGTGATGAGACGGATGCAGAAGGAG
ATGGACCGCGGCCTGAGGCTGGAGACCCATGAAGAGGCCAGTGTGAAGATGCTGCCCACC
TACGTGCGCTCCACCCCAGAAGGCTCAGAAGTCGGGGACTTCCTCTCCCTGGACCTGGGT
GGCACTAACTTCAGGGTGATGCTGGTGAAGGTGGGAGAAGGTGAGGAGGGGCAGTGGAGC
GTGAAGACCAAACACCAGATGTACTCCATCCCCGAGGACGCCATGACCGGCACTGCTGAG
ATGCTCTTCGACTACATCTCTGAGTGCATCTCCGACTTCCTGGACAAGCATCAGATGAAA
CACAAGAAGCTGCCCCTGGGCTTCACCTTCTCCTTTCCTGTGAGGCACGAAGACATCGAT
AAGGGCATCCTTCTCAACTGGACCAAGGGCTTCAAGGCCTCAGGAGCAGAAGGGAACAAT
GTCGTGGGGCTTCTGCGAGACGCTATCAAACGGAGAGGGGACTTTGAAATGGATGTGGTG
GCAATGGTGAATGACACGGTGGCCACGATGATCTCCTGCTACTACGAAGACCATCAGTGC
GAGGTCGGCATGATCGTGGGCACGGGCTGCAATGCCTGCTACATGGAGGAGATGCAGAAT
GTGGAGCTGGTGGAGGGGGACGAGGGCCGCATGTGCGTCAATACCGAGTGGGGCGCCTTC
GGGGACTCCGGCGAGCTGGACGAGTTCCTGCTGGAGTATGACCGCCTGGTGGACGAGAGC
TCTGCAAACCCCGGTCAGCAGCTGTATGAGAAGCTCATAGGTGGCAAGTACATGGGCGAG
CTGGTGCGGCTTGTGCTGCTCAGGCTCGTGGACGAAAACCTGCTCTTCCACGGGGAGGCC
TCCGAGCAGCTGCGCACACGCGGAGCCTTCGAGACGCGCTTCGTGTCGCAGGTGGAGAGC
GACACGGGCGACCGCAAGCAGATCTACAACATCCTGAGCACGCTGGGGCTGCGACCCTCG
ACCACCGACTGCGACATCGTGCGCCGCGCCTGCGAGAGCGTGTCTACGCGCGCTGCGCAC
ATGTGCTCGGCGGGGCTGGCGGGCGTCATCAACCGCATGCGCGAGAGCCGCAGCGAGGAC
GTAATGCGCATCACTGTGGGCGTGGATGGCTCCGTGTACAAGCTGCACCCCAGCTTCAAG
GAGCGGTTCCATGCCAGCGTGCGCAGGCTGACGCCCAGCTGCGAGATCACCTTCATCGAG
TCGGAGGAGGGCAGTGGCCGGGGCGCGGCCCTGGTCTCGGCGGTGGCCTGTAAGAAGGCC
TGTATGCTGGGCCAGTGA
Enzyme 1 GenBank Gene ID M88011 Link Image
Enzyme 1 GeneCard ID GCK Link Image
Enzyme 1 GenAtlas ID GCK Link Image
Enzyme 1 HGNC ID HGNC:4195 Link Image
Enzyme 1 Chromosome Location 7
Enzyme 1 Locus 7p15.3-p15.1
Enzyme 1 SNPs SNPJam Report Link Image
Enzyme 1 General References
  1. Tanizawa Y, Matsutani A, Chiu KC, Permutt MA: Human glucokinase gene: isolation, structural characterization, and identification of a microsatellite repeat polymorphism. Mol Endocrinol. 1992 Jul;6(7):1070-81. [PubMed Link Image]
  2. Tanizawa Y, Koranyi LI, Welling CM, Permutt MA: Human liver glucokinase gene: cloning and sequence determination of two alternatively spliced cDNAs. Proc Natl Acad Sci U S A. 1991 Aug 15;88(16):7294-7. [PubMed Link Image]
  3. Nishi S, Stoffel M, Xiang K, Shows TB, Bell GI, Takeda J: Human pancreatic beta-cell glucokinase: cDNA sequence and localization of the polymorphic gene to chromosome 7, band p 13. Diabetologia. 1992 Aug;35(8):743-7. [PubMed Link Image]
  4. Koranyi LI, Tanizawa Y, Welling CM, Rabin DU, Permutt MA: Human islet glucokinase gene. Isolation and sequence analysis of full-length cDNA. Diabetes. 1992 Jul;41(7):807-11. [PubMed Link Image]
  5. Stoffel M, Froguel P, Takeda J, Zouali H, Vionnet N, Nishi S, Weber IT, Harrison RW, Pilkis SJ, Lesage S, et al.: Human glucokinase gene: isolation, characterization, and identification of two missense mutations linked to early-onset non-insulin-dependent (type 2) diabetes mellitus. Proc Natl Acad Sci U S A. 1992 Aug 15;89(16):7698-702. [PubMed Link Image]
  6. Sakura H, Eto K, Kadowaki H, Simokawa K, Ueno H, Koda N, Fukushima Y, Akanuma Y, Yazaki Y, Kadowaki T: Structure of the human glucokinase gene and identification of a missense mutation in a Japanese patient with early-onset non-insulin-dependent diabetes mellitus. J Clin Endocrinol Metab. 1992 Dec;75(6):1571-3. [PubMed Link Image]
  7. St Charles R, Harrison RW, Bell GI, Pilkis SJ, Weber IT: Molecular model of human beta-cell glucokinase built by analogy to the crystal structure of yeast hexokinase B. Diabetes. 1994 Jun;43(6):784-91. [PubMed Link Image]
  8. Stoffel M, Patel P, Lo YM, Hattersley AT, Lucassen AM, Page R, Bell JI, Bell GI, Turner RC, Wainscoat JS: Missense glucokinase mutation in maturity-onset diabetes of the young and mutation screening in late-onset diabetes. Nat Genet. 1992 Oct;2(2):153-6. [PubMed Link Image]
  9. Chiu KC, Tanizawa Y, Permutt MA: Glucokinase gene variants in the common form of NIDDM. Diabetes. 1993 Apr;42(4):579-82. [PubMed Link Image]
  10. Stoffel M, Bell KL, Blackburn CL, Powell KL, Seo TS, Takeda J, Vionnet N, Xiang KS, Gidh-Jain M, Pilkis SJ, et al.: Identification of glucokinase mutations in subjects with gestational diabetes mellitus. Diabetes. 1993 Jun;42(6):937-40. [PubMed Link Image]
  11. Takeda J, Gidh-Jain M, Xu LZ, Froguel P, Velho G, Vaxillaire M, Cohen D, Shimada F, Makino H, Nishi S, et al.: Structure/function studies of human beta-cell glucokinase. Enzymatic properties of a sequence polymorphism, mutations associated with diabetes, and other site-directed mutants. J Biol Chem. 1993 Jul 15;268(20):15200-4. [PubMed Link Image]
  12. Gidh-Jain M, Takeda J, Xu LZ, Lange AJ, Vionnet N, Stoffel M, Froguel P, Velho G, Sun F, Cohen D, et al.: Glucokinase mutations associated with non-insulin-dependent (type 2) diabetes mellitus have decreased enzymatic activity: implications for structure/function relationships. Proc Natl Acad Sci U S A. 1993 Mar 1;90(5):1932-6. [PubMed Link Image]
  13. Hager J, Blanche H, Sun F, Vaxillaire NV, Poller W, Cohen D, Czernichow P, Velho G, Robert JJ, Cohen N, et al.: Six mutations in the glucokinase gene identified in MODY by using a nonradioactive sensitive screening technique. Diabetes. 1994 May;43(5):730-3. [PubMed Link Image]
  14. Velho G, Blanche H, Vaxillaire M, Bellanne-Chantelot C, Pardini VC, Timsit J, Passa P, Deschamps I, Robert JJ, Weber IT, Marotta D, Pilkis SJ, Lipkind GM, Bell GI, Froguel P: Identification of 14 new glucokinase mutations and description of the clinical profile of 42 MODY-2 families. Diabetologia. 1997 Feb;40(2):217-24. [PubMed Link Image]
  15. Hattersley AT, Beards F, Ballantyne E, Appleton M, Harvey R, Ellard S: Mutations in the glucokinase gene of the fetus result in reduced birth weight. Nat Genet. 1998 Jul;19(3):268-70. [PubMed Link Image]
  16. Glaser B, Kesavan P, Heyman M, Davis E, Cuesta A, Buchs A, Stanley CA, Thornton PS, Permutt MA, Matschinsky FM, Herold KC: Familial hyperinsulinism caused by an activating glucokinase mutation. N Engl J Med. 1998 Jan 22;338(4):226-30. [PubMed Link Image]
  17. Ng MC, Cockburn BN, Lindner TH, Yeung VT, Chow CC, So WY, Li JK, Lo YM, Lee ZS, Cockram CS, Critchley JA, Bell GI, Chan JC: Molecular genetics of diabetes mellitus in Chinese subjects: identification of mutations in glucokinase and hepatocyte nuclear factor-1alpha genes in patients with early-onset type 2 diabetes mellitus/MODY. Diabet Med. 1999 Nov;16(11):956-63. [PubMed Link Image]
  18. Nam JH, Lee HC, Kim YH, Cha BS, Song YD, Lim SK, Kim KR, Huh KB: Identification of glucokinase mutation in subjects with post-renal transplantation diabetes mellitus. Diabetes Res Clin Pract. 2000 Dec;50(3):169-76. [PubMed Link Image]
  19. Njolstad PR, Sovik O, Cuesta-Munoz A, Bjorkhaug L, Massa O, Barbetti F, Undlien DE, Shiota C, Magnuson MA, Molven A, Matschinsky FM, Bell GI: Neonatal diabetes mellitus due to complete glucokinase deficiency. N Engl J Med. 2001 May 24;344(21):1588-92. [PubMed Link Image]
Enzyme 1 Metabolite References Not Available
Enzyme 2 [top]
Enzyme 2 ID 5444
Enzyme 2 Name Hexokinase-3
Enzyme 2 Synonyms
  1. Hexokinase type III
  2. HK III
Enzyme 2 Gene Name HK3
Enzyme 2 Protein Sequence >Hexokinase-3 
MDSIGSSGLRQGEETLSCSEEGLPGPSDSSELVQECLQQFKVTRAQLQQIQASLLGSMEQ
ALRGQASPAPAVRMLPTYVGSTPHGTEQGDFVVLELGATGASLRVLWVTLTGIEGHRVEP
RSQEFVIPQEVMLGAGQQLFDFAAHCLSEFLDAQPVNKQGLQLGFSFSFPCHQTGLDRST
LISWTKGFRCSGVEGQDVVQLLRDAIRRQGAYNIDVVAVVNDTVGTMMGCEPGVRPCEVG
LVVDTGTNACYMEEARHVAVLDEDRGRVCVSVEWGSLSDDGALGPVLTTFDHTLDHESLN
PGAQRFEKMIGGLYLGELVRLVLAHLARCGVLFGGCTSPALLSQGSILLEHVAEMEDPST
GAARVHAILQDLGLSPGASDVELVQHVCAAVCTRAAQLCAAALAAVLSCLQHSREQQTLQ
VAVATGGRVCERHPRFCSVLQGTVMLLAPECDVSLIPSVDGGGRGVAMVTAVAARLAAHR
RLLEETLAPFRLNHDQLAAVQAQMRKAMAKGLRGEASSLRMLPTFVRATPDGSERGDFLA
LDLGGTNFRVLLVRVTTGVQITSEIYSIPETVAQGSGQQLFDHIVDCIVDFQQKQGLSGQ
SLPLGFTFSFPCRQLGLDQGILLNWTKGFKASDCEGQDVVSLLREAITRRQAVELNVVAI
VNDTVGTMMSCGYEDPRCEIGLIVGTGTNACYMEELRNVAGVPGDSGRMCINMEWGAFGD
DGSLAMLSTRFDASVDQASINPGKQRFEKMISGMYLGEIVRHILLHLTSLGVLFRGQQIQ
RLQTRDIFKTKFLSEIESDSLALRQVRAILEDLGLPLTSDDALMVLEVCQAVSQRAAQLC
GAGVAAVVEKIRGNRGLEELAVSVGVDGTLYKLHPRFSSLVAATVRELAPRCVVTFLQSE
DGSGKGAALVTAVACRLAQLTRV
Enzyme 2 Number of Residues 923
Enzyme 2 Molecular Weight 98921
Enzyme 2 Theoretical pI 5.11
Enzyme 2 GO Classification
Function
  • ATP binding
  • adenyl nucleotide binding
  • binding
  • catalytic activity
  • hexokinase activity
  • nucleotide binding
  • phosphotransferase activity, alcohol group as acceptor
  • purine nucleotide binding
  • transferase activity
  • transferase activity, transferring phosphorus-containing groups
Process
  • alcohol metabolism
  • cellular metabolism
  • glucose catabolism
  • glucose metabolism
  • glycolysis
  • hexose metabolism
  • metabolism
  • monosaccharide metabolism
  • physiological process
Component
—
Enzyme 2 General Function Not Available
Enzyme 2 Specific Function ATP + D-hexose = ADP + D-hexose 6-phosphate
Enzyme 2 Pathways
Enzyme 2 Reactions
  • ATP + D-hexose = ADP + D-hexose 6-phosphate
Enzyme 2 Pfam Domain Function
Enzyme 2 Signals
  • None
Enzyme 2 Transmembrane Regions
  • None
Enzyme 2 Essentiality Not Available
Enzyme 2 GenBank ID Protein 1255788 Link Image
Enzyme 2 UniProtKB/Swiss-Prot ID P52790 Link Image
Enzyme 2 UniProtKB/Swiss-Prot Entry Name HXK3_HUMAN Link Image
Enzyme 2 PDB ID Not Available
Enzyme 2 Cellular Location Not Available
Enzyme 2 Gene Sequence >2772 bp 
ATGGACTCCATTGGGTCTTCAGGGTTGCGGCAGGGGGAAGAAACCCTGAGTTGCTCTGAG
GAGGGCTTGCCCGGGCCCTCAGACAGCTCAGAGCTGGTGCAGGAGTGCCTGCAGCAGTTC
AAGGTGACAAGGGCACAGCTACAGCAGATCCAAGCCAGCCTCTTGGGTTCCATGGAGCAG
GCGCTGAGGGGACAGGCCAGCCCTGCCCCTGCGGTCCGGATGCTGCCTACATACGTGGGG
TCCACCCCACATGGCACTGAGCAAGGAGACTTCGTGGTGCTGGAGCTGGGGGCCACAGGG
GCCTCACTGCGTGTTTTGTGGGTGACTCTAACTGGCATTGAGGGGCATAGGGTGGAGCCC
AGAAGCCAGGAGTTTGTGATCCCCCAAGAGGTGATGCTGGGTGCTGGCCAGCAGCTCTTT
GACTTTGCTGCCCACTGCCTGTCTGAGTTCCTGGATGCGCAGCCTGTGAACAAACAGGGT
CTGCAGCTTGGCTTCAGCTTCTCTTTCCCTTGTCACCAGACGGGCTTGGACAGGAGCACC
CTCATTTCCTGGACCAAAGGTTTTAGGTGCAGTGGTGTGGAAGGCCAGGATGTGGTCCAG
CTGCTGAGAGATGCCATTCGGAGGCAGGGGGCCTACAACATCGACGTGGTTGCTGTGGTG
AACGACACAGTGGGCACCATGATGGGCTGTGAGCCGGGGGTCAGGCCGTGTGAGGTTGGG
CTAGTTGTAGACACGGGCACCAACGCGTGTTACATGGAGGAGGCACGGCATGTGGCAGTG
CTGGACGAAGACCGGGGCCGCGTCTGCGTCAGCGTCGAGTGGGGCTCCTTAAGCGATGAT
GGGGCGCTGGGACCAGTGCTGACCACCTTCGACCATACCCTGGACCATGAGTCCCTGAAT
CCTGGTGCTCAGAGGTTTGAGAAGATGATCGGAGGCCTGTACCTGGGTGAGCTGGTGCGG
CTGGTGCTGGCTCACTTGGCCCGGTGTGGGGTCCTCTTTGGTGGCTGCACCTCCCCTGCC
CTGCTGAGCCAAGGCAGCATCCTCCTGGAACACGTGGCTGAGATGGAGGACCCCTCTACT
GGGGCAGCCCGTGTCCATGCTATCCTGCAGGACTTGGGCCTGAGCCCTGGGGCTTCGGAT
GTTGAGCTTGTGCAGCACGTCTGTGCGGCCGTGTGCACGCGGGCTGCCCAGCTCTGTGCT
GCCGCCCTGGCCGCTGTTCTCTCCTGCCTCCAGCACAGCCGGGAGCAACAAACACTCCAG
GTTGCTGTGGCCACCGGAGGCCGAGTGTGTGAGCGGCACCCCAGGTTCTGCAGCGTCCTG
CAGGGGACAGTGATGCTCCTGGCCCCGGAATGCGATGTCTCCTTAATCCCCTCTGTGGAT
GGTGGTGGCCGGGGAGTGGCGATGGTGACTGCTGTGGCTGCCCGTCTGGCTGCCCACCGG
CGCCTGCTGGAGGAGACCCTGGCCCCATTCCGGTTGAACCATGATCAACTGGCTGCGGTT
CAGGCACAGATGCGGAAGGCCATGGCCAAGGGGCTCCGAGGGGAGGCCTCCTCCCTTCGC
ATGCTGCCCACTTTCGTCCGGGCCACCCCTGACGGCAGCGAGCGAGGGGATTTCCTGGCC
CTGGACCTCGGGGGCACGAACTTCCGTGTCCTCCTGGTACGTGTGACCACAGGCGTGCAG
ATCACCAGCGAGATCTACTCCATTCCCGAGACTGTGGCCCAGGGTTCTGGGCAGCAGCTC
TTTGACCACATCGTGGACTGCATCGTGGACTTCCAGCAGAAGCAGGGCCTGAGCGGGCAG
AGCCTCCCACTGGGTTTTACCTTCTCCTTCCCATGTAGGCAGCTTGGCCTAGACCAGGGC
ATCCTCCTGAACTGGACCAAGGGTTTCAAGGCATCAGACTGCGAGGGCCAAGATGTCGTG
AGTCTGTTGCGGGAAGCCATCACTCGCAGACAGGCAGTGGAGCTGAATGTGGTTGCCATT
GTCAATGACACGGTGGGGACCATGATGTCCTGTGGCTATGAGGACCCCCGTTGCGAGATA
GGCCTCATTGTCGGAACCGGCACCAATGCCTGCTACATGGAGGAGCTCCGGAATGTGGCG
GGCGTGCCTGGGGACTCAGGCCGCATGTGCATCAACATGGAGTGGGGCGCCTTTGGGGAC
GATGGCTCTCTGGCCATGCTCAGCACCCGCTTTGATGCAAGTGTGGACCAGGCGTCCATC
AACCCCGGCAAGCAGAGGTTTGAAAAGATGATCAGCGGCATGTACCTGGGGGAGATCGTC
CGCCACATCCTTTTACATTTAACCAGCCTTGGCGTTCTCTTCCGGGGCCAGCAGATCCAG
CGCCTTCAGACCAGGGACATCTTCAAGACCAAGTTCCTCTCTGAGATCGAAAGTGACAGC
CTGGCCCTGCGGCAGGTCCGAGCCATCCTAGAGGATCTGGGGCTACCCCTGACCTCAGAT
GACGCCCTGATGGTGCTAGAGGTGTGCCAGGCTGTGTCCCAGAGGGCTGCCCAGCTCTGT
GGGGCGGGTGTAGCTGCCGTGGTGGAGAAGATCCGGGGGAACCGGGGCCTGGAAGAGCTG
GCAGTGTCTGTGGGGGTGGATGGAACGCTCTACAAGCTGCACCCGCGCTTCTCCAGCCTG
GTGGCGGCCACAGTGCGGGAGCTGGCCCCTCGCTGTGTGGTCACGTTCCTGCAGTCAGAG
GATGGGTCCGGCAAAGGTGCGGCCCTGGTCACCGCTGTTGCCTGCCGCCTTGCGCAGTTG
ACTCGTGTCTGA
Enzyme 2 GenBank Gene ID U51333 Link Image
Enzyme 2 GeneCard ID HK3 Link Image
Enzyme 2 GenAtlas ID HK3 Link Image
Enzyme 2 HGNC ID HGNC:4925 Link Image
Enzyme 2 Chromosome Location 5
Enzyme 2 Locus 5q35.2
Enzyme 2 SNPs SNPJam Report Link Image
Enzyme 2 General References
  1. Furuta H, Nishi S, Le Beau MM, Fernald AA, Yano H, Bell GI: Sequence of human hexokinase III cDNA and assignment of the human hexokinase III gene (HK3) to chromosome band 5q35.2 by fluorescence in situ hybridization. Genomics. 1996 Aug 15;36(1):206-9. [PubMed Link Image]
  2. Palma F, Agostini D, Mason P, Dacha M, Piccoli G, Biagiarelli B, Fiorani M, Stocchi V: Purification and characterization of the carboxyl-domain of human hexokinase type III expressed as fusion protein. Mol Cell Biochem. 1996 Feb 9;155(1):23-9. [PubMed Link Image]
Enzyme 2 Metabolite References Not Available
Enzyme 3 [top]
Enzyme 3 ID 5445
Enzyme 3 Name Hexokinase-2
Enzyme 3 Synonyms
  1. Hexokinase type II
  2. HK II
  3. Muscle form hexokinase
Enzyme 3 Gene Name HK2
Enzyme 3 Protein Sequence >Hexokinase-2 
MIASHLLAYFFTELNHDQVQKVDQYLYHMRLSDETLLEISKRFRKEMEKGLGATTHPTAA
VKMLPTFVRSTPDGTEHGEFLALDLGGTNFRVLWVKVTDNGLQKVEMENQIYAIPEDIMR
GSGTQLFDHIAECLANFMDKLQIKDKKLPLGFTFSFPCHQTKLDESFLVSWTKGFKSSGV
EGRDVVALIRKAIQRRGDFDIDIVAVVNDTVGTMMTCGYDDHNCEIGLIVGTGSNACYME
EMRHIDMVEGDEGRMCINMEWGAFGDDGSLNDIRTEFDQEIDMGSLNPGKQLFEKMISGM
YMGELVRLILVKMAKEELLFGGKLSPELLNTGRFETKDISDIEGEKDGIRKAREVLMRLG
LDPTQEDCVATHRICQIVSTRSASLCAATLAAVLQRIKENKGEERLRSTIGVDGSVYKKH
PHFAKRLHKTVRRLVPGCDVRFLRSEDGSGKGAAMVTAVAYRLADQHRARQKTLEHLQLS
HDQLLEVKRRMKVEMERGLSKETHASAPVKMLPTYVCATPDGTEKGDFLALDLGGTNFRV
LLVRVRNGKWGGVEMHNKIYAIPQEVMHGTGDELFDHIVQCIADFLEYMGMKGVSLPLGF
TFSFPCQQNSLDESILLKWTKGFKASGCEGEDVVTLLKEAIHRREEFDLDVVAVVNDTVG
TMMTCGFEDPHCEVGLIVGTGSNACYMEEMRNVELVEGEEGRMCVNMEWGAFGDNGCLDD
FRTEFDVAVDELSLNPGKQRFEKMISGMYLGEIVRNILIDFTKRGLLFRGRISERLKTRG
IFETKFLSQIESDCLALLQVRAILQHLGLESTCDDSIIVKEVCTVVARRAAQLCGAGMAA
VVDRIRENRGLDALKVTVGVDGTLYKLHPHFAKVMHETVKDLAPKCDVSFLQSEDGSGKG
AALITAVACRIREAGQR
Enzyme 3 Number of Residues 917
Enzyme 3 Molecular Weight 102381
Enzyme 3 Theoretical pI 5.93
Enzyme 3 GO Classification
Function
  • ATP binding
  • adenyl nucleotide binding
  • binding
  • catalytic activity
  • hexokinase activity
  • nucleotide binding
  • phosphotransferase activity, alcohol group as acceptor
  • purine nucleotide binding
  • transferase activity
  • transferase activity, transferring phosphorus-containing groups
Process
  • alcohol metabolism
  • cellular metabolism
  • glucose catabolism
  • glucose metabolism
  • glycolysis
  • hexose metabolism
  • metabolism
  • monosaccharide metabolism
  • physiological process
Component
—
Enzyme 3 General Function Not Available
Enzyme 3 Specific Function ATP + D-hexose = ADP + D-hexose 6-phosphate
Enzyme 3 Pathways
Enzyme 3 Reactions
  • ATP + D-hexose = ADP + D-hexose 6-phosphate
Enzyme 3 Pfam Domain Function
Enzyme 3 Signals
  • None
Enzyme 3 Transmembrane Regions
  • None
Enzyme 3 Essentiality Not Available
Enzyme 3 GenBank ID Protein 587202 Link Image
Enzyme 3 UniProtKB/Swiss-Prot ID P52789 Link Image
Enzyme 3 UniProtKB/Swiss-Prot Entry Name HXK2_HUMAN Link Image
Enzyme 3 PDB ID Not Available
Enzyme 3 Cellular Location Not Available
Enzyme 3 Gene Sequence >2754 bp 
ATGATTGCCTCGCATCTGCTTGCCTACTTCTTCACGGAGCTCAACCATGACCAAGTGCAG
AAGGTTGACCAGTATCTCTACCACATGCGCCTCTCTGATGAGACCCTCTTGGAGATCTCT
AAGCGGTTCCGCAAGGAGATGGAGAAAGGGCTTGGAGCCACCACTCACCCTACTGCAGCA
GTGAAGATGCTGCCCACCTTTGTGAGGTCCACTCCAGATGGGACAGAACACGGAGAGTTC
CTGGCTCTGGATCTTGGAGGGACCAACTTCCGTGTGCTTTGGGTGAAAGTAACGGACAAT
GGGCTCCAGAAGGTGGAGATGGAGAATCAGATCTATGCCATCCCTGAGGACATCATGCGA
GGCAGTGGCACCCAGCTGTTTGACCACATTGCCGAATGCCTGGCTAACTTCATGGATAAG
CTACAAATCAAAGACAAGAAGCTCCCACTGGGTTTTACCTTCTCGTTCCCCTGCCACCAG
ACTAAACTAGACGAGAGTTTCCTGGTCTCATGGACCAAGGGATTCAAGTCCAGTGGAGTG
GAAGGCAGAGACGTTGTGGCTCTGATCCGGAAGGCCATCCAGAGGAGAGGGGACTTTGAT
ATCGACATTGTGGCTGTGGTGAATGACACAGTTGGGACCATGATGACCTGTGGTTATGAT
GACCACAACTGTGAGATTGGTCTCATTGTGGGCACGGGCAGCAACGCCTGCTACATGGAA
GAGATGCGCCACATCGACATGGTGGAAGGCGATGAGGGGCGGATGTGTATCAATATGGAG
TGGGGGGCCTTCGGGGACGATGGCTCGCTCAACGACATTCGCACTGAGTTTGACCAGGAG
ATTGACATGGGCTCACTGAACCCGGGAAAGCAACTGTTTGAGAAGATGATCAGTGGGATG
TACATGGGGGAGCTGGTGAGGCTTATCCTGGTGAAGATGGCCAAGGAGGAGCTGCTCTTT
GGGGGGAAGCTCAGCCCAGAGCTTCTCAACACCGGTCGCTTTGAGACCAAAGACATCTCA
GACATTGAAGGGGAGAAGGATGGCATCCGGAAGGCCCGTGAGGTCCTGATGCGGTTGGGC
CTGGACCCGACTCAGGAGGACTGCGTGGCCACTCACCGGATCTGCCAGATCGTGTCCACA
CGCTCCGCCAGCCTGTGCGCAGCCACCCTGGCCGCCGTGCTGCAGCGCATCAAGGAGAAC
AAAGGCGAGGAGCGGCTGCGCTCTACTATTGGGGTCGACGGTTCCGTCTACAAGAAACAC
CCCCATTTTGCCAAGCGTCTACATAAGACCGTGCGGCGGCTGGTGCCCGGCTGCGATGTC
CGCTTCCTCCGCTCCGAGGATGGCAGTGGCAAAGGTGCAGCCATGGTGACAGCAGTGGCT
TACCGGCTGGCCGATCAACACCGTGCCCGCCAGAAGACATTAGAGCATCTGCAGCTGAGC
CATGACCAGCTGCTGGAGGTCAAGAGGAGGATGAAGGTAGAAATGGAGCGAGGTCTGAGC
AAGGAGACTCATGCCAGTGCCCCCGTCAAGATGCTGCCCACCTACGTGTGTGCTACCCCG
GACGGCACAGAGAAAGGGGACTTCTTGGCCTTGGACCTTGGAGGAACAAATTTCCGGGTC
CTGCTGGTCCGTGTTCGGAATGGGAAGTGGGGTGGAGTGGAGATGCACAACAAGATCTAC
GCCATCCCGCAGGAGGTCATGCACGGCACCGGGGACGAGCTCTTTGACCACATTGTCCAG
TGCATCGCGGACTTCCTCGAGTACATGGGCATGAAGGGCGTGTCCCTGCCTCTGGGTTTT
ACCTTCTCCTTCCCCTGCCAGCAGAACAGCCTGGACGAGAGCATCCTCCTCAAGTGGACA
AAAGGCTTCAAGGCATCTGGCTGCGAGGGCGAGGACGTGGTGACCCTGCTGAAGGAAGCG
ATCCACCGGCGAGAGGAGTTTGACCTGGATGTGGTTGCTGTGGTGAACGACACAGTCGGA
ACTATGATGACCTGTGGCTTTGAAGACCCTCACTGTGAAGTTGGCCTCATTGTTGGCACG
GGCAGCAATGCCTGCTACATGGAGGAGATGCGCAACGTGGAACTGGTGGAAGGAGAAGAG
GGGCGGATGTGTGTGAACATGGAATGGGGGGCCTTCGGGGACAATGGATGCCTAGATGAC
TTCCGCACAGAATTTGATGTGGCTGTGGATGAGCTTTCACTCAACCCCGGCAAGCAGAGG
TTCGAGAAAATGATCAGTGGAATGTACCTGGGTGAGATTGTCCGTAACATTCTCATCGAT
TTCACCAAGCGTGGACTACTCTTCCGAGGCCGCATCTCAGAGCGGCTCAAGACAAGGGGC
ATCTTTGAAACCAAGTTCTTGTCTCAGATTGAGAGTGACTGCCTGGCCCTGCTGCAAGTC
CGAGCCACCCTGCAACACTTAGGGCTTGAGAGCACCTGTGACGACAGCATCATTGTTAAG
GAGGTGTGCACTGTGGTGGCCCGGCGGGCAGCCCAGCTCTGTGGCGCAGGCATGGCCGCT
GTGGTGGACAGGATACGAGAAAACCGTGGGCTGGACGCTCTCAAAGTGACAGTGGGTGTG
GATGGGACCCTCTACAAGCTACATCCTCACTTTGCCAAAGTCATGCATGAGACAGTGAAG
GACCTGGCTCCGAAATGTGATGTGTCTTTCCTGCAGTCAGAGGATGGCAGCGGGAAGGGG
GCGGCGCTCATCACTGCTGTGGCCTGCCGCATCCGTGAGGCTGGACAGCGATAG
Enzyme 3 GenBank Gene ID Z46376 Link Image
Enzyme 3 GeneCard ID HK2 Link Image
Enzyme 3 GenAtlas ID HK2 Link Image
Enzyme 3 HGNC ID HGNC:4923 Link Image
Enzyme 3 Chromosome Location 2
Enzyme 3 Locus 2p13
Enzyme 3 SNPs SNPJam Report Link Image
Enzyme 3 General References
  1. Lehto M, Huang X, Davis EM, Le Beau MM, Laurila E, Eriksson KF, Bell GI, Groop L: Human hexokinase II gene: exon-intron organization, mutation screening in NIDDM, and its relationship to muscle hexokinase activity. Diabetologia. 1995 Dec;38(12):1466-74. [PubMed Link Image]
  2. Deeb SS, Malkki M, Laakso M: Human hexokinase II: sequence and homology to other hexokinases. Biochem Biophys Res Commun. 1993 Nov 30;197(1):68-74. [PubMed Link Image]
  3. Shinohara Y, Yamamoto K, Kogure K, Ichihara J, Terada H: Steady state transcript levels of the type II hexokinase and type 1 glucose transporter in human tumor cell lines. Cancer Lett. 1994 Jul 15;82(1):27-32. [PubMed Link Image]
  4. Laakso M, Malkki M, Deeb SS: Amino acid substitutions in hexokinase II among patients with NIDDM. Diabetes. 1995 Mar;44(3):330-4. [PubMed Link Image]
  5. Vidal-Puig A, Printz RL, Stratton IM, Granner DK, Moller DE: Analysis of the hexokinase II gene in subjects with insulin resistance and NIDDM and detection of a Gln142-->His substitution. Diabetes. 1995 Mar;44(3):340-6. [PubMed Link Image]
  6. Echwald SM, Bjorbaek C, Hansen T, Clausen JO, Vestergaard H, Zierath JR, Printz RL, Granner DK, Pedersen O: Identification of four amino acid substitutions in hexokinase II and studies of relationships to NIDDM, glucose effectiveness, and insulin sensitivity. Diabetes. 1995 Mar;44(3):347-53. [PubMed Link Image]
Enzyme 3 Metabolite References Not Available
Enzyme 4 [top]
Enzyme 4 ID 5447
Enzyme 4 Name Hexokinase-1
Enzyme 4 Synonyms
  1. Hexokinase type I
  2. HK I
  3. Brain form hexokinase
Enzyme 4 Gene Name HK1
Enzyme 4 Protein Sequence >Hexokinase-1 
MIAAQLLAYYFTELKDDQVKKIDKYLYAMRLSDETLIDIMTRFRKEMKNGLSRDFNPTAT
VKMLPTFVRSIPDGSEKGDFIALDLGGSSFRILRVQVNHEKNQNVHMESEVYDTPENIVH
GSGSQLFDHVAECLGDFMEKRKIKDKKLPVGFTFSFPCQQSKIDEAILITWTKRFKASGV
EGADVVKLLNKAIKKRGDYDANIVAVVNDTVGTMMTCGYDDQHCEVGLIIGTGTNACYME
ELRHIDLVEGDEGRMCINTEWGAFGDDGSLEDIRTEFDREIDRGSLNPGKQLFEKMVSGM
YLGELVRLILVKMAKEGLLFEGRITPELLTRGKFNTSDVSAIEKNKEGLHNAKEILTRLG
VEPSDDDCVSVQHVCTIVSFRSANLVAATLGAILNRLRDNKGTPRLRTTVGVDGSLYKTH
PQYSRRFHKTLRRLVPDSDVRFLLSESGSGKGAAMVTAVAYRLAEQHRQIEETLAHFHLT
KDMLLEVKKRMRAEMELGLRKQTHNNAVVKMLPSFVRRTPDGTENGDFLALDLGGTNFRV
LLVKIRSGKKRTVEMHNKIYAIPIEIMQGTGEELFDHIVSCISDFLDYMGIKGPRMPLGF
TFSFPCQQTSLDAGILITWTKGFKATDCVGHDVVTLLRDAIKRREEFDLDVVAVVNDTVG
TMMTCAYEEPTCEVGLIVGTGSNACYMEEMKNVEMVEGDQGQMCINMEWGAFGDNGCLDD
IRTHYDRLVDEYSLNAGKQRYEKMISGMYLGEIVRNILIDFTKKGFLFRGQISETLKTRG
IFETKFLSQIESDRLALLQVRAILQQLGLNSTCDDSILVKTVCGVVSRRAAQLCGAGMAA
VVDKIRENRGLDRLNVTVGVDGTLYKLHPHFSRIMHQTVKELSPKCNVSFLLSEDGSGKG
AALITAVGVRLRTEASS
Enzyme 4 Number of Residues 917
Enzyme 4 Molecular Weight 102487
Enzyme 4 Theoretical pI 6.78
Enzyme 4 GO Classification
Function
  • ATP binding
  • adenyl nucleotide binding
  • binding
  • catalytic activity
  • hexokinase activity
  • nucleotide binding
  • phosphotransferase activity, alcohol group as acceptor
  • purine nucleotide binding
  • transferase activity
  • transferase activity, transferring phosphorus-containing groups
Process
  • alcohol metabolism
  • cellular metabolism
  • glucose catabolism
  • glucose metabolism
  • glycolysis
  • hexose metabolism
  • metabolism
  • monosaccharide metabolism
  • physiological process
Component
—
Enzyme 4 General Function Not Available
Enzyme 4 Specific Function ATP + D-hexose = ADP + D-hexose 6-phosphate
Enzyme 4 Pathways
Enzyme 4 Reactions
  • ATP + D-hexose = ADP + D-hexose 6-phosphate
Enzyme 4 Pfam Domain Function
Enzyme 4 Signals
  • None
Enzyme 4 Transmembrane Regions
  • None
Enzyme 4 Essentiality Not Available
Enzyme 4 GenBank ID Protein 184021 Link Image
Enzyme 4 UniProtKB/Swiss-Prot ID P19367 Link Image
Enzyme 4 UniProtKB/Swiss-Prot Entry Name HXK1_HUMAN Link Image
Enzyme 4 PDB ID 1HKB Link Image
Enzyme 4 PDB File Show
Enzyme 4 3D Structure
Enzyme 4 Cellular Location Not Available
Enzyme 4 Gene Sequence >2754 bp 
ATGATCGCCGCGCAGCTCCTGGCCTATTACTTCACGGAGCTGAAGGATGACCAGGTCAAA
AAGATTGACAAGTATCTGTATGCCATGCGGCTCTCCGATGAAACTCTCATAGATATCATG
ACTCGCTTCAGGAAGGAGATGAAGAATGGCCTCTCCCGGGATTTTAATCCAACAGCCACA
GTCAAGATGTTGCCAACATTCGTAAGGTCCATTCCTGATGGCTCTGAAAAGGGAGATTTC
ATTGCCCTGGATCTTGGTGGGTCTTCCTTTCGAATTCTGCGGGTGCAAGTGAATCATGAG
AAAAACCAGAATGTTCACATGGAGTCCGAGGTTTATGACACCCCAGAGAACATCGTGCAC
GGCAGTGGAAGCCAGCTTTTTGATCATGTTGCTGAGTGCCTGGGAGATTTCATGGAGAAA
AGGAAGATCAAGGACAAGAAGTTACCTGTGGGATTCACGTTTTCTTTTCCTTGCCAACAA
TCCAAAATAGATGAGGCCATCCTGATCACCTGGACAAAGCGATTTAAAGCGAGCGGAGTG
GAAGGAGCAGATGTGGTCAAACTGCTTAACAAAGCCATCAAAAAGCGAGGGGACTATGAT
GCCAACATCGTAGCTGTGGTGAATGACACAGTGGGCACCATGATGACCTGTGGCTATGAC
GACCAGCACTGTGAAGTCGGCCTGATCATCGGCACTGGCACCAATGCTTGCTACATGGAG
GAACTGAGGCACATTGATCTGGTGGAAGGAGACGAGGGGAGGATGTGTATCAATACAGAA
TGGGGAGCCTTTGGAGACGATGGATCATTAGAAGACATCCGGACAGAGTTTGACAGGGAG
ATAGACCGGGGATCCCTCAACCCTGGAAAACAGCTGTTTGAGAAGATGGTCAGTGGCATG
TACTTGGGAGAGCTGGTTCGACTGATCCTAGTCAAGATGGCCAAGGAGGGCCTCTTATTT
GAAGGGCGGATCACCCCGGAGCTGCTCACCCGAGGGAAGTTTAACACCAGTGATGTGTCA
GCCATCGAAAAGAATAAGGAAGGCCTCCACAATGCCAAAGAAATCCTGACCCGCCTGGGA
GTGGAGCCGTCCGATGATGACTGTGTCTCAGTCCAGCACGTTTGCACCATTGTCTCATTT
CGCTCAGCCAACTTGGTGGCTGCCACACTGGGCGCCATCTTGAACCGCCTGCGTGATAAC
AAGGGCACACCCAGGCTGCGGACCACGGTTGGTGTCGACGGATCTCTTTACAAGACGCAC
CCACAGTATTCCCGGCGTTTCCACAAGACTCTAAGGCGCTTGGTGCCAGACTCCGATGTG
CGCTTCCTCCTCTCGGAGAGTGGCAGCGGCAAGGGGGCTGCCATGGTGACGGCGGTGGCC
TACCGCTTGGCCGAGCAGCACCGGCAGATAGAGGAGACCCTGGCTCATTTCCACCTCACC
AAAGACATGCTGCTGGAGGTGAAGAAGAGGATGCGGGCCGAGATGGAGCTGGGGCTGAGG
AAGCAGACGCACAACAATGCCGTGGTTAAGATGCTGCCCTCCTTCGTCCGGAGAACTCCC
GACGGGACCGAGAATGGTGACTTCTTGGCCCTGGATCTTGGAGGAACCAATTTCCGTGTG
CTGCTGGTGAAAATCCGTAGTGGGAAAAAGAGAACGGTGGAAATGCACAACAAGATCTAC
GCCATTCCTATTGAAATCATGCAGGGCACTGGGGAAGAGCTGTTTGATCACATTGTCTCC
TGCATCTCTGACTTCTTGGACTACATGGGGATCAAAGGCCCCAGGATGCCTCTGGGCTTC
ACGTTCTCATTTCCCTGCCAGCAGACGAGTCTGGACGCGGGAATCTTGATCACGTGGACA
AAGGGTTTTAAGGCAACAGACTGCGTGGGCCACGATGTAGTCACCTTACTAAGGGATGCG
ATAAAAAGGAGAGAGGAATTTGACCTGGACGTGGTGGCTGTGGTCAACGACACAGTGGGC
ACCATGATGACCTGTGCTTATGAGGAGCCCACCTGTGAGGTTGGACTCATTGTTGGGACC
GGCAGCAATGCCTGCTACATGGAGGAGATGAAGAACGTGGAGATGGTGGAGGGGGACCAG
GGGCAGATGTGCATCAACATGGAGTGGGGGGCCTTTGGGGACAACGGGTGTCTGGATGAT
ATCAGGACACACTACGACAGACTGGTGAACGAATATTCCCTAAATGCTGGGAAACAAAGG
TATGAGAAGATGATCAGTGGTATGTACCTGGGTGAAATCGTCCGCAACATCTTAATCGAC
TTCACCAAGAAGGGATTCCTCTTCCGAGGGCAGATCTCTGAGACGATGAAGACCCGGGGC
ATCTTTGAGACCAAGTTTCTCTCTCAGATCGAGAGTGACCGATTAGCACTGCTCCAGGTC
CGGGCTATCCTCCAGCAGCTAGGTCTGAATAGCACCTGCGATGACAGTATCCTCGTCAAG
ACAGTGTGCGGGGTGGTGTCCAGGAGGGCCGCACAGCTGTGTGGCGCAGGCATGGCTGCG
GTTGTGGATAAGATCCGCGAGAACAGAGGACTGGACCGTCTGAATGTGACTGTGGGAGTG
GACGGGACACTCTACAAGCTTCATCCACACTTCTCCAGAATCATGCACCAGACGGTGAAG
GAACTGTCACCAAAATGTAACGTGTCCTTCCTCCTGTCTGAGGATGGCAGCGGCAAGGGG
GCCGCCCTCATCACGGCCGTGGGCGTGCGGTTACGCACAGAGGCAAGCAGCTAA
Enzyme 4 GenBank Gene ID M75126 Link Image
Enzyme 4 GeneCard ID HK1 Link Image
Enzyme 4 GenAtlas ID HK1 Link Image
Enzyme 4 HGNC ID HGNC:4922 Link Image
Enzyme 4 Chromosome Location 10
Enzyme 4 Locus 10q22
Enzyme 4 SNPs SNPJam Report Link Image
Enzyme 4 General References
  1. Nishi S, Seino S, Bell GI: Human hexokinase: sequences of amino- and carboxyl-terminal halves are homologous. Biochem Biophys Res Commun. 1988 Dec 30;157(3):937-43. [PubMed Link Image]
  2. Ruzzo A, Andreoni F, Magnani M: Structure of the human hexokinase type I gene and nucleotide sequence of the 5' flanking region. Biochem J. 1998 Apr 15;331 ( Pt 2):607-13. [PubMed Link Image]
  3. Magnani M, Bianchi M, Casabianca A, Stocchi V, Daniele A, Altruda F, Ferrone M, Silengo L: A recombinant human 'mini'-hexokinase is catalytically active and regulated by hexose 6-phosphates. Biochem J. 1992 Jul 1;285 ( Pt 1):193-9. [PubMed Link Image]
  4. Magnani M, Serafini G, Bianchi M, Casabianca A, Stocchi V: Human hexokinase type I microheterogeneity is due to different amino-terminal sequences. J Biol Chem. 1991 Jan 5;266(1):502-5. [PubMed Link Image]
  5. Murakami K, Piomelli S: Identification of the cDNA for human red blood cell-specific hexokinase isozyme. Blood. 1997 Feb 1;89(3):762-6. [PubMed Link Image]
  6. Andreoni F, Ruzzo A, Magnani M: Structure of the 5' region of the human hexokinase type I (HKI) gene and identification of an additional testis-specific HKI mRNA. Biochim Biophys Acta. 2000 Sep 7;1493(1-2):19-26. [PubMed Link Image]
  7. Aleshin AE, Zeng C, Fromm HJ, Honzatko RB: Crystallization and preliminary X-ray analysis of human brain hexokinase. FEBS Lett. 1996 Aug 5;391(1-2):9-10. [PubMed Link Image]
  8. Aleshin AE, Zeng C, Bourenkov GP, Bartunik HD, Fromm HJ, Honzatko RB: The mechanism of regulation of hexokinase: new insights from the crystal structure of recombinant human brain hexokinase complexed with glucose and glucose-6-phosphate. Structure. 1998 Jan 15;6(1):39-50. [PubMed Link Image]
  9. Aleshin AE, Zeng C, Bartunik HD, Fromm HJ, Honzatko RB: Regulation of hexokinase I: crystal structure of recombinant human brain hexokinase complexed with glucose and phosphate. J Mol Biol. 1998 Sep 18;282(2):345-57. [PubMed Link Image]
  10. Rosano C, Sabini E, Rizzi M, Deriu D, Murshudov G, Bianchi M, Serafini G, Magnani M, Bolognesi M: Binding of non-catalytic ATP to human hexokinase I highlights the structural components for enzyme-membrane association control. Structure. 1999 Nov 15;7(11):1427-37. [PubMed Link Image]
  11. Aleshin AE, Kirby C, Liu X, Bourenkov GP, Bartunik HD, Fromm HJ, Honzatko RB: Crystal structures of mutant monomeric hexokinase I reveal multiple ADP binding sites and conformational changes relevant to allosteric regulation. J Mol Biol. 2000 Mar 3;296(4):1001-15. [PubMed Link Image]
  12. Bianchi M, Magnani M: Hexokinase mutations that produce nonspherocytic hemolytic anemia. Blood Cells Mol Dis. 1995;21(1):2-8. [PubMed Link Image]
Enzyme 4 Metabolite References Not Available
Enzyme 5 [top]
Enzyme 5 ID 7551
Enzyme 5 Name Tumor necrosis factor precursor
Enzyme 5 Synonyms
  1. TNF-alpha
  2. Tumor necrosis factor ligand superfamily member 2
  3. TNF-a
  4. Cachectin[Contains: Tumor necrosis factor, membrane form
  5. Tumor necrosis factor, soluble form]
Enzyme 5 Gene Name TNF
Enzyme 5 Protein Sequence >Tumor necrosis factor precursor 
MSTESMIRDVELAEEALPKKTGGPQGSRRCLFLSLFSFLIVAGATTLFCLLHFGVIGPQR
EEFPRDLSLISPLAQAVRSSSRTPSDKPVAHVVANPQAEGQLQWLNRRANALLANGVELR
DNQLVVPSEGLYLIYSQVLFKGQGCPSTHVLLTHTISRIAVSYQTKVNLLSAIKSPCQRE
TPEGAEAKPWYEPIYLGGVFQLEKGDRLSAEINRPDYLDFAESGQVYFGIIAL
Enzyme 5 Number of Residues 233
Enzyme 5 Molecular Weight 25645
Enzyme 5 Theoretical pI 6.92
Enzyme 5 GO Classification
Function
  • cytokine activity
  • receptor binding
  • signal transducer activity
  • tumor necrosis factor receptor binding
Process
  • defense response
  • immune response
  • response to biotic stimulus
  • response to stimulus
Component
  • cell
  • membrane
Enzyme 5 General Function Not Available
Enzyme 5 Specific Function Cytokine that binds to TNFRSF1A/TNFR1 and TNFRSF1B/TNFBR. It is mainly secreted by macrophages and can induce cell death of certain tumor cell lines. It is potent pyrogen causing fever by direct action or by stimulation of interleukin 1 secretion and is implicated in the induction of cachexia, Under certain conditions it can stimulate cell proliferation and induce cell differentiation
Enzyme 5 Pathways Not Available
Enzyme 5 Reactions Not Available
Enzyme 5 Pfam Domain Function
Enzyme 5 Signals
  • None
Enzyme 5 Transmembrane Regions
  • 36-56
Enzyme 5 Essentiality Not Available
Enzyme 5 GenBank ID Protein Not Available
Enzyme 5 UniProtKB/Swiss-Prot ID P01375 Link Image
Enzyme 5 UniProtKB/Swiss-Prot Entry Name TNFA_HUMAN Link Image
Enzyme 5 PDB ID Not Available
Enzyme 5 Cellular Location Not Available
Enzyme 5 Gene Sequence Not Available
Enzyme 5 GenBank Gene ID M16441 Link Image
Enzyme 5 GeneCard ID TNF Link Image
Enzyme 5 GenAtlas ID TNF Link Image
Enzyme 5 HGNC ID HGNC:11892 Link Image
Enzyme 5 Chromosome Location 6
Enzyme 5 Locus 6p21.3
Enzyme 5 SNPs SNPJam Report Link Image
Enzyme 5 General References
  1. Nedospasov SA, Shakhov AN, Turetskaya RL, Mett VA, Azizov MM, Georgiev GP, Korobko VG, Dobrynin VN, Filippov SA, Bystrov NS, et al.: Tandem arrangement of genes coding for tumor necrosis factor (TNF-alpha) and lymphotoxin (TNF-beta) in the human genome. Cold Spring Harb Symp Quant Biol. 1986;51 Pt 1:611-24. [PubMed Link Image]
  2. Pennica D, Nedwin GE, Hayflick JS, Seeburg PH, Derynck R, Palladino MA, Kohr WJ, Aggarwal BB, Goeddel DV: Human tumour necrosis factor: precursor structure, expression and homology to lymphotoxin. Nature. 1984 Dec 20-1985 Jan 2;312(5996):724-9. [PubMed Link Image]
  3. Shirai T, Yamaguchi H, Ito H, Todd CW, Wallace RB: Cloning and expression in Escherichia coli of the gene for human tumour necrosis factor. Nature. 1985 Feb 28-Mar 6;313(6005):803-6. [PubMed Link Image]
  4. Nedwin GE, Naylor SL, Sakaguchi AY, Smith D, Jarrett-Nedwin J, Pennica D, Goeddel DV, Gray PW: Human lymphotoxin and tumor necrosis factor genes: structure, homology and chromosomal localization. Nucleic Acids Res. 1985 Sep 11;13(17):6361-73. [PubMed Link Image]
  5. Wang AM, Creasey AA, Ladner MB, Lin LS, Strickler J, Van Arsdell JN, Yamamoto R, Mark DF: Molecular cloning of the complementary DNA for human tumor necrosis factor. Science. 1985 Apr 12;228(4696):149-54. [PubMed Link Image]
  6. Marmenout A, Fransen L, Tavernier J, Van der Heyden J, Tizard R, Kawashima E, Shaw A, Johnson MJ, Semon D, Muller R, et al.: Molecular cloning and expression of human tumor necrosis factor and comparison with mouse tumor necrosis factor. Eur J Biochem. 1985 Nov 4;152(3):515-22. [PubMed Link Image]
  7. Iris FJ, Bougueleret L, Prieur S, Caterina D, Primas G, Perrot V, Jurka J, Rodriguez-Tome P, Claverie JM, Dausset J, et al.: Dense Alu clustering and a potential new member of the NF kappa B family within a 90 kilobase HLA class III segment. Nat Genet. 1993 Feb;3(2):137-45. [PubMed Link Image]
  8. Neville MJ, Campbell RD: A new member of the Ig superfamily and a V-ATPase G subunit are among the predicted products of novel genes close to the TNF locus in the human MHC. J Immunol. 1999 Apr 15;162(8):4745-54. [PubMed Link Image]
  9. Pocsik E, Duda E, Wallach D: Phosphorylation of the 26 kDa TNF precursor in monocytic cells and in transfected HeLa cells. J Inflamm. 1995;45(3):152-60. [PubMed Link Image]
  10. Watts AD, Hunt NH, Wanigasekara Y, Bloomfield G, Wallach D, Roufogalis BD, Chaudhri G: A casein kinase I motif present in the cytoplasmic domain of members of the tumour necrosis factor ligand family is implicated in 'reverse signalling'. EMBO J. 1999 Apr 15;18(8):2119-26. [PubMed Link Image]
  11. Van Ostade X, Tavernier J, Prange T, Fiers W: Localization of the active site of human tumour necrosis factor (hTNF) by mutational analysis. EMBO J. 1991 Apr;10(4):827-36. [PubMed Link Image]
  12. Stevenson FT, Bursten SL, Locksley RM, Lovett DH: Myristyl acylation of the tumor necrosis factor alpha precursor on specific lysine residues. J Exp Med. 1992 Oct 1;176(4):1053-62. [PubMed Link Image]
  13. Moss ML, Jin SL, Milla ME, Bickett DM, Burkhart W, Carter HL, Chen WJ, Clay WC, Didsbury JR, Hassler D, Hoffman CR, Kost TA, Lambert MH, Leesnitzer MA, McCauley P, McGeehan G, Mitchell J, Moyer M, Pahel G, Rocque W, Overton LK, Schoenen F, Seaton T, Su JL, Becherer JD, et al.: Cloning of a disintegrin metalloproteinase that processes precursor tumour-necrosis factor-alpha. Nature. 1997 Feb 20;385(6618):733-6. [PubMed Link Image]
  14. Jones EY, Stuart DI, Walker NP: Structure of tumour necrosis factor. Nature. 1989 Mar 16;338(6212):225-8. [PubMed Link Image]
  15. Jones EY, Stuart DI, Walker NP: The structure of tumour necrosis factor--implications for biological function. J Cell Sci Suppl. 1990;13:11-8. [PubMed Link Image]
  16. Eck MJ, Sprang SR: The structure of tumor necrosis factor-alpha at 2.6 A resolution. Implications for receptor binding. J Biol Chem. 1989 Oct 15;264(29):17595-605. [PubMed Link Image]
  17. Reed C, Fu ZQ, Wu J, Xue YN, Harrison RW, Chen MJ, Weber IT: Crystal structure of TNF-alpha mutant R31D with greater affinity for receptor R1 compared with R2. Protein Eng. 1997 Oct;10(10):1101-7. [PubMed Link Image]
  18. Cha SS, Kim JS, Cho HS, Shin NK, Jeong W, Shin HC, Kim YJ, Hahn JH, Oh BH: High resolution crystal structure of a human tumor necrosis factor-alpha mutant with low systemic toxicity. J Biol Chem. 1998 Jan 23;273(4):2153-60. [PubMed Link Image]
Enzyme 5 Metabolite References Not Available
Enzyme 6 [top]
Enzyme 6 ID 12981
Enzyme 6 Name Di-N-acetylchitobiase precursor
Enzyme 6 Synonyms Not Available
Enzyme 6 Gene Name CTBS
Enzyme 6 Protein Sequence >Di-N-acetylchitobiase precursor 
MSRPQLRRWRLVSSPPSGVPGLALLALLALLALRLAAGTDCPCPEPELCRPIRHHPDFEV
FVFDVGQKTWKSYDWSQITTVATFGKYDSELMCYAHSKGARVVLKGDVSLKDIIDPAFRA
SWIAQKLNLAKTQYMDGINIDIEQEVNCLSPEYDALTALVKETTDSFHREIEGSQVTFDV
AWSPKNIDRRCYNYTGIADACDFLFVMSYDEQSQIWSECIAAANAPYNQTLTGYNDYIKM
SINPKKLVMGVPWYGYDYTCLNLSEDHVCTIAKVPFRGAPCSDAAGRQVPYKTIMKQINS
SISGNLWDKDQRAPYYNYKDPAGHFHQVWYDNPQSISLKATYIQNYRLRGIGMWNANCLD
YSGDAVAKQQTEEMWEVLKPKLLQR
Enzyme 6 Number of Residues 385
Enzyme 6 Molecular Weight 43760
Enzyme 6 Theoretical pI 6.61
Enzyme 6 GO Classification
Function
  • catalytic activity
  • chitinase activity
  • hydrolase activity
  • hydrolase activity, acting on glycosyl bonds
  • hydrolase activity, hydrolyzing O-glycosyl compounds
Process
  • N-acetylglucosamine metabolism
  • amine metabolism
  • amino sugar metabolism
  • carbohydrate metabolism
  • chitin catabolism
  • chitin metabolism
  • glucosamine metabolism
  • macromolecule metabolism
  • metabolism
  • nitrogen compound metabolism
  • physiological process
Component
—
Enzyme 6 General Function Not Available
Enzyme 6 Specific Function Involved in the degradation of asparagine-linked glycoproteins. Hydrolyze of N-acetyl-beta-D-glucosamine (1-4)N- acetylglucosamine chitobiose core from the reducing end of the bond, it requires prior cleavage by glycosylasparaginase
Enzyme 6 Pathways Not Available
Enzyme 6 Reactions Not Available
Enzyme 6 Pfam Domain Function
Enzyme 6 Signals
  • 1-38
Enzyme 6 Transmembrane Regions
  • None
Enzyme 6 Essentiality Not Available
Enzyme 6 GenBank ID Protein 180503 Link Image
Enzyme 6 UniProtKB/Swiss-Prot ID Q01459 Link Image
Enzyme 6 UniProtKB/Swiss-Prot Entry Name DIAC_HUMAN Link Image
Enzyme 6 PDB ID Not Available
Enzyme 6 Cellular Location Not Available
Enzyme 6 Gene Sequence Not Available
Enzyme 6 GenBank Gene ID M95767 Link Image
Enzyme 6 GeneCard ID Q01459 Link Image
Enzyme 6 GenAtlas ID CTBS Link Image
Enzyme 6 HGNC ID HGNC:2496 Link Image
Enzyme 6 Chromosome Location Not Available
Enzyme 6 Locus Not Available
Enzyme 6 SNPs SNPJam Report Link Image
Enzyme 6 General References
  1. Fisher KJ, Aronson NN Jr: Cloning and expression of the cDNA sequence encoding the lysosomal glycosidase di-N-acetylchitobiase. J Biol Chem. 1992 Sep 25;267(27):19607-16. [PubMed Link Image]
  2. Liu B, Ahmad W, Aronson NN Jr: Structure of the human gene for lysosomal di-N-acetylchitobiase. Glycobiology. 1999 Jun;9(6):589-93. [PubMed Link Image]
Enzyme 6 Metabolite References Not Available
Enzyme 7 [top]
Enzyme 7 ID 15209
Enzyme 7 Name cDNA FLJ78173, highly similar to Homo sapiens hexokinase 1 (HK1) mRNA
Enzyme 7 Synonyms Not Available
Enzyme 7 Gene Name Not Available
Enzyme 7 Protein Sequence >cDNA FLJ78173, highly similar to Homo sapiens hexokinase 1 (HK1) mRNA 
MIAAQLLAYYFTELKDDQVKKIDKYLYAMRLSDETLIDIMTRFRKEMKNGLSRDFNPTAT
VKMLPTFVRSIPDGSEKGDFIALDLGGSSFRILRVQVNHEKNQNVHMESEVYDTPENIVH
GSGSQLFDHVAECLGDFMEKRKIKDKKLPVGFTFSFPCQQSKIDEAILITWTKRFKASGV
EGADVVKLLNKAIKKRGDYDANIVAVVNDTVGTMMTCGYDDQHCEVGLIIGTGTNACYME
ELRHIDLVEGDEGRMCINTEWGAFGDDGSLEDIRTEFDREIDRGSLNPGKQLFEKMVSGM
YLGELVRLILVKMAKEGLLFEGRITPELLTRGKFNTSDVSAIEKNKEGLHNAKEILTRLG
VEPSDDDCVSVQHVCTIVSFRSANLVAATLGAILNRLRDNKGTPRLRTTVGVDGSLYKTH
PQYSRRFHKTLRRLVPDSDVRFLLSESGSGKGAAMVTAVAYRLAEQHRQIEETLAHFHLT
KDMLLEVKKRMRAEMELGLRKQTHNNAVVKMLPSFVRRTPDGTENGDFLALDLGGTNFRV
LLVKIRSGKKRTVEMHNKIYAIPIEIMQGTGEELFDHIVSCISDFLDYMGIKGPRMPLGF
TFSFPCQQTSLDAGILITWTKGFKATDCVGHDVVTLLRDAIKRREEFDLDVVAVVNDTVG
TMMTCAYEEPTCEVGLIVGTGSNACYMEEMKNVEMVEGDQGQMCINMEWGAFGDNGCLDD
IRTHYDRLVDEYSLNAGKQGYEKMISGMYLGEIVRNILIDFTKKGFLFRGQISETLKTRG
IFETKFLSQIESDRLALLQVRAILQQLGLNSTCDDSILVKTVCGVVSRRAAQLCGAGMAA
VVDKIRENRGLDRLNVTVGVDGTLYKLHPHFSRIMHQTVKELSPKCNVSFLLSEDGSGKG
AALITAVGVRLRTEASS
Enzyme 7 Number of Residues 917
Enzyme 7 Molecular Weight 102388
Enzyme 7 Theoretical pI 6.70
Enzyme 7 GO Classification Not Available
Enzyme 7 General Function Not Available
Enzyme 7 Specific Function Not Available
Enzyme 7 Pathways Not Available
Enzyme 7 Reactions Not Available
Enzyme 7 Pfam Domain Function Not Available
Enzyme 7 Signals
  • None
Enzyme 7 Transmembrane Regions
  • None
Enzyme 7 Essentiality Not Available
Enzyme 7 GenBank ID Protein 158257456 Link Image
Enzyme 7 UniProtKB/Swiss-Prot ID A8K7J7 Link Image
Enzyme 7 UniProtKB/Swiss-Prot Entry Name A8K7J7_HUMAN Link Image
Enzyme 7 PDB ID 1HKB Link Image
Enzyme 7 PDB File Show
Enzyme 7 3D Structure
Enzyme 7 Cellular Location Not Available
Enzyme 7 Gene Sequence >2754 bp 
ATGATCGCCGCGCAGCTCCTGGCCTATTACTTCACGGAGCTGAAGGATGACCAGGTCAAA
AAGATTGACAAGTATCTGTATGCCATGCGGCTCTCCGATGAAACTCTCATAGATATCATG
ACTCGCTTCAGGAAGGAGATGAAGAATGGCCTCTCCCGGGATTTTAATCCAACAGCCACA
GTCAAGATGTTGCCAACATTCGTAAGGTCCATTCCTGATGGCTCTGAAAAGGGAGATTTC
ATTGCCCTGGATCTTGGTGGGTCTTCCTTTCGAATTCTGCGGGTGCAAGTGAATCATGAG
AAAAACCAGAATGTTCACATGGAGTCCGAGGTTTATGACACCCCAGAGAACATCGTGCAC
GGCAGTGGAAGCCAGCTTTTTGATCATGTTGCTGAGTGCCTGGGAGATTTCATGGAGAAA
AGGAAGATCAAGGACAAGAAGTTACCTGTGGGATTCACGTTTTCTTTTCCTTGCCAACAA
TCCAAAATAGATGAGGCCATCCTGATCACCTGGACAAAGCGATTTAAAGCGAGCGGAGTG
GAAGGAGCAGATGTGGTCAAACTGCTTAACAAAGCCATCAAAAAGCGAGGGGACTATGAT
GCCAACATCGTAGCTGTGGTGAATGACACAGTGGGCACCATGATGACCTGTGGCTATGAC
GACCAGCACTGTGAAGTCGGCCTGATCATCGGCACTGGCACCAATGCTTGCTACATGGAG
GAACTGAGGCACATTGATCTGGTGGAAGGAGACGAGGGGAGGATGTGTATCAATACAGAA
TGGGGAGCCTTTGGAGACGATGGATCATTAGAAGACATCCGGACAGAGTTTGACAGGGAG
ATAGACCGGGGATCCCTCAACCCTGGAAAACAGCTGTTTGAGAAGATGGTCAGTGGCATG
TACTTGGGAGAGCTGGTTCGACTGATCCTAGTCAAGATGGCCAAGGAGGGCCTCTTATTT
GAAGGGCGGATCACCCCGGAGCTGCTCACCCGAGGGAAGTTTAACACCAGTGATGTGTCA
GCCATCGAAAAGAATAAGGAAGGCCTCCACAATGCCAAAGAAATCCTGACCCGCCTGGGA
GTGGAGCCGTCCGATGATGACTGTGTCTCAGTCCAGCACGTTTGCACCATTGTCTCATTT
CGCTCAGCCAACTTGGTGGCTGCCACACTGGGCGCCATCTTGAACCGCCTGCGTGATAAC
AAGGGCACACCCAGGCTGCGGACCACGGTTGGTGTCGACGGATCTCTTTACAAGACGCAC
CCACAGTATTCCCGGCGTTTCCACAAGACTCTAAGGCGCTTGGTGCCAGACTCCGATGTG
CGCTTCCTCCTCTCGGAGAGTGGCAGCGGCAAGGGGGCTGCCATGGTGACGGCGGTGGCC
TACCGCTTGGCCGAGCAGCACCGGCAGATAGAGGAGACCCTGGCTCATTTCCACCTCACC
AAAGACATGCTGCTGGAGGTGAAGAAGAGGATGCGGGCCGAGATGGAGCTGGGGCTGAGG
AAGCAGACGCACAACAATGCCGTGGTTAAGATGCTGCCCTCCTTCGTCCGGAGAACTCCC
GACGGGACCGAGAATGGTGACTTCTTGGCCCTGGATCTTGGAGGAACCAATTTCCGTGTG
CTGCTGGTGAAAATCCGTAGTGGGAAAAAGAGAACGGTGGAAATGCACAACAAGATCTAC
GCCATTCCTATTGAAATCATGCAGGGCACTGGGGAAGAGCTGTTTGATCACATTGTCTCC
TGCATCTCTGACTTCTTGGACTACATGGGGATCAAAGGCCCCAGGATGCCTCTGGGCTTC
ACGTTCTCATTTCCCTGCCAGCAGACGAGTCTGGACGCGGGAATCTTGATCACGTGGACA
AAGGGTTTTAAGGCAACAGACTGCGTGGGCCACGATGTAGTCACCTTACTAAGGGATGCG
ATAAAAAGGAGAGAGGAATTTGACCTGGACGTGGTGGCTGTGGTCAACGACACAGTGGGC
ACCATGATGACCTGTGCTTATGAGGAGCCCACCTGTGAGGTTGGACTCATTGTTGGGACC
GGCAGCAATGCCTGCTACATGGAGGAGATGAAGAACGTGGAGATGGTGGAGGGGGACCAG
GGGCAGATGTGCATCAACATGGAGTGGGGGGCCTTTGGGGACAACGGGTGTCTGGATGAT
ATCAGGACACACTACGACAGACTGGTGGACGAATATTCCCTAAATGCTGGGAAACAAGGG
TATGAGAAGATGATCAGTGGTATGTACCTGGGTGAAATCGTCCGCAACATCTTAATCGAC
TTCACCAAGAAGGGATTCCTCTTCCGAGGGCAGATCTCTGAGACGCTGAAGACCCGGGGC
ATCTTTGAGACCAAGTTTCTCTCTCAGATCGAGAGTGACCGATTAGCACTGCTCCAGGTC
CGGGCTATCCTCCAGCAGCTAGGTCTGAATAGCACCTGCGATGACAGTATCCTCGTCAAG
ACAGTGTGCGGGGTGGTGTCCAGGAGGGCCGCACAGCTGTGTGGCGCAGGCATGGCTGCG
GTTGTGGATAAGATCCGCGAGAACAGAGGACTGGACCGTCTGAATGTGACTGTGGGAGTG
GACGGGACACTCTACAAGCTTCATCCACACTTCTCCAGAATCATGCACCAGACGGTGAAG
GAACTGTCACCAAAATGTAACGTGTCCTTCCTCCTGTCTGAGGATGGCAGCGGCAAGGGG
GCCGCCCTCATCACGGCCGTGGGCGTGCGGTTACGCACAGAGGCAAGCAGCTAA
Enzyme 7 GenBank Gene ID AK292012 Link Image
Enzyme 7 GeneCard ID A8K7J7 Link Image
Enzyme 7 GenAtlas ID Not Available
Enzyme 7 HGNC ID Not Available
Enzyme 7 Chromosome Location Not Available
Enzyme 7 Locus Not Available
Enzyme 7 SNPs Not Available
Enzyme 7 General References Not Available
Enzyme 7 Metabolite References Not Available
Enzyme 8 [top]
Enzyme 8 ID 16855
Enzyme 8 Name Peptide-N(4)-(N-acetyl-beta-glucosaminyl)asparagine amidase
Enzyme 8 Synonyms
  1. PNGase
  2. hPNGase
  3. Peptide:N-glycanase
  4. N-glycanase 1
Enzyme 8 Gene Name NGLY1
Enzyme 8 Protein Sequence >Peptide-N(4)-(N-acetyl-beta-glucosaminyl)asparagine amidase 
MAAAALGSSSGSASPAVAELCQNTPETFLEASKLLLTYADNILRNPNDEKYRSIRIGNTA
FSTRLLPVRGAVECLFEMGFEEGETHLIFPKKASVEQLQKIRDLIAIERSSRLDGSNKSH
KVKSSQQPAASTQLPTTPSSNPSGLNQHTRNRQGQSSDPPSASTVAADSAILEVLQSNIQ
HVLVYENPALQEKALACIPVQELKRKSQEKLSRARKLDKGINISDEDFLLLELLHWFKEE
FFHWVNNVLCSKCGGQTRSRDRSLLPSDDELKWGAKEVEDHYCDACQFSNRFPRYNNPEK
LLETRCGRCGEWANCFTLCCRAVGFEARYVWDYTDHVWTEVYSPSQQRWLHCDACEDVCD
KPLLYEIGWGKKLSYVIAFSKDEVVDVTWRYSCKHEEVIARRTKVKEALLRDTINGLNKQ
RQLFLSENRRKELLQRIIVELVEFISPKTPKPGELGGRISGSVAWRVARGEMGLQRKETL
FIPCENEKISKQLHLCYNIVKDRYVRVSNNNQTISGWENGVWKMESIFRKVETDWHMVYL
ARKEGSSFAYISWKFECGSVGLKVDSISIRTSSQTFQTGTVEWKLRSDTAQVELTGDNSL
HSYADFSGATEVILEAELSRGDGDVAWQHTQLFRQSLNDHEENCLEIIIKFSDL
Enzyme 8 Number of Residues 654
Enzyme 8 Molecular Weight 74391
Enzyme 8 Theoretical pI 6.88
Enzyme 8 GO Classification Not Available
Enzyme 8 General Function Not Available
Enzyme 8 Specific Function Specifically deglycosylates the denatured form of N- linked glycoproteins in the cytoplasm and assists their proteasome-mediated degradation. Cleaves the beta-aspartyl- glucosamine (GlcNAc) of the glycan and the amide side chain of Asn, converting Asn to Asp. Prefers proteins containing high- mannose over those bearing complex type oligosaccharides. Can recognize misfolded proteins in the endoplasmic reticulun that are exported in the cytosol to be destroyed and deglycosylate them, while it has no activity toward native proteins. Deglycosylation is prerequisite for subsequent proteasome-mediated degradation of some, but not all, misfolded glycoproteins
Enzyme 8 Pathways Not Available
Enzyme 8 Reactions Not Available
Enzyme 8 Pfam Domain Function
Enzyme 8 Signals
  • None
Enzyme 8 Transmembrane Regions
  • None
Enzyme 8 Essentiality Not Available
Enzyme 8 GenBank ID Protein Not Available
Enzyme 8 UniProtKB/Swiss-Prot ID Q96IV0 Link Image
Enzyme 8 UniProtKB/Swiss-Prot Entry Name NGLY1_HUMAN Link Image
Enzyme 8 PDB ID Not Available
Enzyme 8 Cellular Location Not Available
Enzyme 8 Gene Sequence Not Available
Enzyme 8 GenBank Gene ID AF250924 Link Image
Enzyme 8 GeneCard ID Q96IV0 Link Image
Enzyme 8 GenAtlas ID NGLY1 Link Image
Enzyme 8 HGNC ID HGNC:17646 Link Image
Enzyme 8 Chromosome Location Not Available
Enzyme 8 Locus Not Available
Enzyme 8 SNPs SNPJam Report Link Image
Enzyme 8 General References
  1. Suzuki T, Park H, Hollingsworth NM, Sternglanz R, Lennarz WJ: PNG1, a yeast gene encoding a highly conserved peptide:N-glycanase. J Cell Biol. 2000 May 29;149(5):1039-52. [PubMed Link Image]
Enzyme 8 Metabolite References Not Available