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Identification
HMDB Protein ID HMDBP00403
Secondary Accession Numbers
  • 5640
  • HMDBP03600
Name Glycine N-methyltransferase
Synonyms Not Available
Gene Name GNMT
Protein Type Unknown
Biological Properties
General Function Involved in folic acid binding
Specific Function Catalyzes the methylation of glycine by using S-adenosylmethionine (AdoMet) to form N-methylglycine (sarcosine) with the concomitant production of S-adenosylhomocysteine (AdoHcy). Possible crucial role in the regulation of tissue concentration of AdoMet and of metabolism of methionine.
Pathways
  • 3-Phosphoglycerate dehydrogenase deficiency
  • Dihydropyrimidine Dehydrogenase Deficiency (DHPD)
  • Dimethylglycine Dehydrogenase Deficiency
  • Dimethylglycine Dehydrogenase Deficiency
  • Glycine, serine and threonine metabolism
  • Glycine, serine and threonine metabolism
  • Hyperglycinemia, non-ketotic
  • Non Ketotic Hyperglycinemia
  • Sarcosine Oncometabolite Pathway
  • Sarcosinemia
Reactions
S-Adenosylmethionine + Glycine → S-Adenosylhomocysteine + Sarcosine details
GO Classification
Biological Process
S-adenosylhomocysteine metabolic process
cellular protein modification process
glycogen metabolic process
S-adenosylmethionine metabolic process
protein homotetramerization
methionine metabolic process
one-carbon metabolic process
regulation of gluconeogenesis
Cellular Component
cytosol
cytoplasm
nucleus
Component
cell part
intracellular part
cytoplasm
Function
binding
catalytic activity
transferase activity
glycine n-methyltransferase activity
folic acid binding
carboxylic acid binding
amino acid binding
transferase activity, transferring one-carbon groups
methyltransferase activity
n-methyltransferase activity
Molecular Function
folic acid binding
glycine binding
glycine N-methyltransferase activity
Process
metabolic process
cellular metabolic process
sulfur amino acid metabolic process
methionine metabolic process
cellular amino acid and derivative metabolic process
cellular amino acid metabolic process
Cellular Location
  1. Cytoplasm
Gene Properties
Chromosome Location 6
Locus 6p12
SNPs GNMT
Gene Sequence
>888 bp
ATGGTGGACAGCGTGTACCGGACCCGCTCCCTGGGGGTGGCGGCCGAAGGGCTCCCGGAC
CAGTACGCGGACGGGGAGGCGGCGCGCGTGTGGCAGCTGTATATCGGAGACACCCGCAGC
CGCACCGCCGAGTACAAGGCATGGCTGCTTGGGCTGCTGCGCCAGCACGGCTGCCAGCGG
GTGCTCGACGTAGCCTGTGGCACTGGGGTGGACTCCATTATGCTGGTGGAAGAGGGCTTC
AGTGTGACGAGTGTGGATGCCAGTGACAAGATGCTGAAGTATGCACTTAAGGAGCGCTGG
AACCGGCGGCACGAGCCCGCCTTCGACAAGTGGGTCATCGAAGAAGCCAACTGGATGACT
CTGGACAAAGATGTGCCCCAGTCAGCAGAGGGTGGCTTTGATGCTGTCATCTGCCTTGGA
AACAGTTTCGCTCACTTGCCAGACTGCAAAGGGGACCAGAGTGAGCACCGGCTGGCGCTG
AAAAACATTGCGAGCATGGTGCGGGCAGGGGGCCTACTGGTCATTGATCATCGCAACTAC
GACCACATCCTCAGTACAGGCTGTGCACCCCCAGGGAAGAACATCTACTATAAGAGTGAC
TTGACCAAGGACGTCACAACATCAGTGCTGATAGTGAACAACAAGGCCCACATGGTGACC
CTGGACTATACGGTGCAGGTGCCGGGGGCTGGCCAGGATGGCTCTCCTGGCTTGAGTAAG
TTCCGGCTCTCCTACTACCCACACTGTCTGGCATCCTTCACGGAGCTGCTCCAAGCAGCC
TTCGGAGGTAAGTGCCAGCACAGCGTCCTGGGCGACTTCAAGCCTTACAAGCCAGGCCAA
ACCTACATTCCCTGCTACTTCATCCACGTGCTCAAGAGGACAGACTGA
Protein Properties
Number of Residues 295
Molecular Weight 32742.0
Theoretical pI 7.023
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Glycine N-methyltransferase
MVDSVYRTRSLGVAAEGLPDQYADGEAARVWQLYIGDTRSRTAEYKAWLLGLLRQHGCQR
VLDVACGTGVDSIMLVEEGFSVTSVDASDKMLKYALKERWNRRHEPAFDKWVIEEANWMT
LDKDVPQSAEGGFDAVICLGNSFAHLPDCKGDQSEHRLALKNIASMVRAGGLLVIDHRNY
DHILSTGCAPPGKNIYYKSDLTKDVTTSVLIVNNKAHMVTLDYTVQVPGAGQDGSPGLSK
FRLSYYPHCLASFTELLQAAFGGKCQHSVLGDFKPYKPGQTYIPCYFIHVLKRTD
GenBank ID Protein 8671584
UniProtKB/Swiss-Prot ID Q14749
UniProtKB/Swiss-Prot Entry Name GNMT_HUMAN
PDB IDs
GenBank Gene ID AF101477
GeneCard ID GNMT
GenAtlas ID GNMT
HGNC ID HGNC:4415
References
General References
  1. Mungall AJ, Palmer SA, Sims SK, Edwards CA, Ashurst JL, Wilming L, Jones MC, Horton R, Hunt SE, Scott CE, Gilbert JG, Clamp ME, Bethel G, Milne S, Ainscough R, Almeida JP, Ambrose KD, Andrews TD, Ashwell RI, Babbage AK, Bagguley CL, Bailey J, Banerjee R, Barker DJ, Barlow KF, Bates K, Beare DM, Beasley H, Beasley O, Bird CP, Blakey S, Bray-Allen S, Brook J, Brown AJ, Brown JY, Burford DC, Burrill W, Burton J, Carder C, Carter NP, Chapman JC, Clark SY, Clark G, Clee CM, Clegg S, Cobley V, Collier RE, Collins JE, Colman LK, Corby NR, Coville GJ, Culley KM, Dhami P, Davies J, Dunn M, Earthrowl ME, Ellington AE, Evans KA, Faulkner L, Francis MD, Frankish A, Frankland J, French L, Garner P, Garnett J, Ghori MJ, Gilby LM, Gillson CJ, Glithero RJ, Grafham DV, Grant M, Gribble S, Griffiths C, Griffiths M, Hall R, Halls KS, Hammond S, Harley JL, Hart EA, Heath PD, Heathcott R, Holmes SJ, Howden PJ, Howe KL, Howell GR, Huckle E, Humphray SJ, Humphries MD, Hunt AR, Johnson CM, Joy AA, Kay M, Keenan SJ, Kimberley AM, King A, Laird GK, Langford C, Lawlor S, Leongamornlert DA, Leversha M, Lloyd CR, Lloyd DM, Loveland JE, Lovell J, Martin S, Mashreghi-Mohammadi M, Maslen GL, Matthews L, McCann OT, McLaren SJ, McLay K, McMurray A, Moore MJ, Mullikin JC, Niblett D, Nickerson T, Novik KL, Oliver K, Overton-Larty EK, Parker A, Patel R, Pearce AV, Peck AI, Phillimore B, Phillips S, Plumb RW, Porter KM, Ramsey Y, Ranby SA, Rice CM, Ross MT, Searle SM, Sehra HK, Sheridan E, Skuce CD, Smith S, Smith M, Spraggon L, Squares SL, Steward CA, Sycamore N, Tamlyn-Hall G, Tester J, Theaker AJ, Thomas DW, Thorpe A, Tracey A, Tromans A, Tubby B, Wall M, Wallis JM, West AP, White SS, Whitehead SL, Whittaker H, Wild A, Willey DJ, Wilmer TE, Wood JM, Wray PW, Wyatt JC, Young L, Younger RM, Bentley DR, Coulson A, Durbin R, Hubbard T, Sulston JE, Dunham I, Rogers J, Beck S: The DNA sequence and analysis of human chromosome 6. Nature. 2003 Oct 23;425(6960):805-11. [PubMed:14574404 ]
  2. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  3. Chen YM, Shiu JY, Tzeng SJ, Shih LS, Chen YJ, Lui WY, Chen PH: Characterization of glycine-N-methyltransferase-gene expression in human hepatocellular carcinoma. Int J Cancer. 1998 Mar 2;75(5):787-93. [PubMed:9495250 ]
  4. Chen YM, Chen LY, Wong FH, Lee CM, Chang TJ, Yang-Feng TL: Genomic structure, expression, and chromosomal localization of the human glycine N-methyltransferase gene. Genomics. 2000 May 15;66(1):43-7. [PubMed:10843803 ]
  5. Ogawa H, Gomi T, Fujioka M: Mammalian glycine N-methyltransferases. Comparative kinetic and structural properties of the enzymes from human, rat, rabbit and pig livers. Comp Biochem Physiol B. 1993 Nov;106(3):601-11. [PubMed:8281755 ]
  6. Pakhomova S, Luka Z, Grohmann S, Wagner C, Newcomer ME: Glycine N-methyltransferases: a comparison of the crystal structures and kinetic properties of recombinant human, mouse and rat enzymes. Proteins. 2004 Nov 1;57(2):331-7. [PubMed:15340920 ]
  7. Luka Z, Pakhomova S, Luka Y, Newcomer ME, Wagner C: Destabilization of human glycine N-methyltransferase by H176N mutation. Protein Sci. 2007 Sep;16(9):1957-64. Epub 2007 Jul 27. [PubMed:17660255 ]
  8. Luka Z, Cerone R, Phillips JA 3rd, Mudd HS, Wagner C: Mutations in human glycine N-methyltransferase give insights into its role in methionine metabolism. Hum Genet. 2002 Jan;110(1):68-74. Epub 2001 Dec 7. [PubMed:11810299 ]
  9. Luka Z, Wagner C: Effect of naturally occurring mutations in human glycine N-methyltransferase on activity and conformation. Biochem Biophys Res Commun. 2003 Dec 26;312(4):1067-72. [PubMed:14651980 ]
  10. Augoustides-Savvopoulou P, Luka Z, Karyda S, Stabler SP, Allen RH, Patsiaoura K, Wagner C, Mudd SH: Glycine N -methyltransferase deficiency: a new patient with a novel mutation. J Inherit Metab Dis. 2003;26(8):745-59. [PubMed:14739680 ]