| Identification |
|---|
| HMDB Protein ID
| HMDBP00702 |
| Secondary Accession Numbers
| |
| Name
| Glutamate decarboxylase 2 |
| Synonyms
|
- 65 kDa glutamic acid decarboxylase
- GAD-65
- Glutamate decarboxylase 65 kDa isoform
|
| Gene Name
| GAD2 |
| Protein Type
| Enzyme |
| Biological Properties |
|---|
| General Function
| Involved in carboxy-lyase activity |
| Specific Function
| Catalyzes the production of GABA.
|
| Pathways
|
- Alanine, aspartate and glutamate metabolism
- beta-Alanine metabolism
- Butanoate metabolism
- GABAergic synapse
- Taurine and hypotaurine metabolism
- Type I diabetes mellitus
|
| Reactions
|
| Glutamic acid → gamma-Aminobutyric acid + CO(2) |
details
|
| Glutamic acid → gamma-Aminobutyric acid + Carbon dioxide |
details
|
| L-Aspartic acid → beta-Alanine + Carbon dioxide |
details
|
| Cysteic acid → Taurine + Carbon dioxide |
details
|
| 3-Sulfinoalanine → Hypotaurine + Carbon dioxide |
details
|
|
| GO Classification
|
| Biological Process |
| neurotransmitter biosynthetic process |
| response to drug |
| neurotransmitter secretion |
| glutamate decarboxylation to succinate |
| Cellular Component |
| cytosol |
| anchored to membrane |
| plasma membrane |
| cell junction |
| perinuclear region of cytoplasm |
| presynaptic membrane |
| axon |
| clathrin-sculpted gamma-aminobutyric acid transport vesicle membrane |
| Golgi membrane |
| synaptic vesicle membrane |
| Function |
| binding |
| catalytic activity |
| lyase activity |
| carbon-carbon lyase activity |
| carboxy-lyase activity |
| cofactor binding |
| pyridoxal phosphate binding |
| Molecular Function |
| pyridoxal phosphate binding |
| glutamate decarboxylase activity |
| Process |
| metabolic process |
| cellular metabolic process |
| organic acid metabolic process |
| oxoacid metabolic process |
| carboxylic acid metabolic process |
|
| Cellular Location
|
- Lipid-anchor
- Cytoplasm
- Golgi apparatus membrane
- Peripheral membrane protein
- Cytoplasmic vesicle
- Cytoplasmic side
- cytosol
- Cell junction
- synapse
- presynaptic cell membrane
|
| Gene Properties |
|---|
| Chromosome Location
| 10 |
| Locus
| 10p11.23 |
| SNPs
| GAD2 |
| Gene Sequence
|
>1758 bp
ATGGCATCTCCGGGCTCTGGCTTTTGGTCTTTCGGGTCGGAAGATGGCTCTGGGGATTCC
GAGAATCCCGGCACAGCGCGAGCCTGGTGCCAAGTGGCTCAGAAGTTCACGGGCGGCATC
GGAAACAAACTGTGCGCCCTGCTCTACGGAGACGCCGAGAAGCCGGCGGAGAGCGGCGGG
AGCCAACCCCCGCGGGCCGCCGCCCGGAAGGCCGCCTGCGCCTGCGACCAGAAGCCCTGC
AGCTGCTCCAAAGTGGATGTCAACTACGCGTTTCTCCATGCAACAGACCTGCTGCCGGCG
TGTGATGGAGAAAGGCCCACTTTGGCGTTTCTGCAAGATGTTATGAACATTTTACTTCAG
TATGTGGTGAAAAGTTTCGATAGATCAACCAAAGTGATTGATTTCCATTATCCTAATGAG
CTTCTCCAAGAATATAATTGGGAATTGGCAGACCAACCACAAAATTTGGAGGAAATTTTG
ATGCATTGCCAAACAACTCTAAAATATGCAATTAAAACAGGGCATCCTAGATACTTCAAT
CAACTTTCTACTGGTTTGGATATGGTTGGATTAGCAGCAGACTGGCTGACATCAACAGCA
AATACTAACATGTTCACCTATGAAATTGCTCCAGTATTTGTGCTTTTGGAATATGTCACA
CTAAAGAAAATGAGAGAAATCATTGGCTGGCCAGGGGGCTCTGGCGATGGGATATTTTCT
CCCGGTGGCGCCATATCTAACATGTATGCCATGATGATCGCACGCTTTAAGATGTTCCCA
GAAGTCAAGGAGAAAGGAATGGCTGCTCTTCCCAGGCTCATTGCCTTCACGTCTGAACAT
AGTCATTTTTCTCTCAAGAAGGGAGCTGCAGCCTTAGGGATTGGAACAGACAGCGTGATT
CTGATTAAATGTGATGAGAGAGGGAAAATGATTCCATCTGATCTTGAAAGAAGGATTCTT
GAAGCCAAACAGAAAGGGTTTGTTCCTTTCCTCGTGAGTGCCACAGCTGGAACCACCGTG
TACGGAGCATTTGACCCCCTCTTAGCTGTCGCTGACATTTGCAAAAAGTATAAGATCTGG
ATGCATGTGGATGCAGCTTGGGGTGGGGGATTACTGATGTCCCGAAAACACAAGTGGAAA
CTGAGTGGCGTGGAGAGGGCCAACTCTGTGACGTGGAATCCACACAAGATGATGGGAGTC
CCTTTGCAGTGCTCTGCTCTCCTGGTTAGAGAAGAGGGATTGATGCAGAATTGCAACCAA
ATGCATGCCTCCTACCTCTTTCAGCAAGATAAACATTATGACCTGTCCTATGACACTGGA
GACAAGGCCTTACAGTGCGGACGCCACGTTGATGTTTTTAAACTATGGCTGATGTGGAGG
GCAAAGGGGACTACCGGGTTTGAAGCGCATGTTGATAAATGTTTGGAGTTGGCAGAGTAT
TTATACAACATCATAAAAAACCGAGAAGGATATGAGATGGTGTTTGATGGGAAGCCTCAG
CACACAAATGTCTGCTTCTGGTACATTCCTCCAAGCTTGCGTACTCTGGAAGACAATGAA
GAGAGAATGAGTCGCCTCTCGAAGGTGGCTCCAGTGATTAAAGCCAGAATGATGGAGTAT
GGAACCACAATGGTCAGCTACCAACCCTTGGGAGACAAGGTCAATTTCTTCCGCATGGTC
ATCTCAAACCCAGCGGCAACTCACCAAGACATTGACTTCCTGATTGAAGAAATAGAACGC
CTTGGACAAGATTTATAA
|
| Protein Properties |
|---|
| Number of Residues
| 585 |
| Molecular Weight
| 65410.77 |
| Theoretical pI
| 6.899 |
| Pfam Domain Function
|
|
| Signals
|
Not Available
|
|
Transmembrane Regions
|
Not Available
|
| Protein Sequence
|
>Glutamate decarboxylase 2
MASPGSGFWSFGSEDGSGDSENPGTARAWCQVAQKFTGGIGNKLCALLYGDAEKPAESGG
SQPPRAAARKAACACDQKPCSCSKVDVNYAFLHATDLLPACDGERPTLAFLQDVMNILLQ
YVVKSFDRSTKVIDFHYPNELLQEYNWELADQPQNLEEILMHCQTTLKYAIKTGHPRYFN
QLSTGLDMVGLAADWLTSTANTNMFTYEIAPVFVLLEYVTLKKMREIIGWPGGSGDGIFS
PGGAISNMYAMMIARFKMFPEVKEKGMAALPRLIAFTSEHSHFSLKKGAAALGIGTDSVI
LIKCDERGKMIPSDLERRILEAKQKGFVPFLVSATAGTTVYGAFDPLLAVADICKKYKIW
MHVDAAWGGGLLMSRKHKWKLSGVERANSVTWNPHKMMGVPLQCSALLVREEGLMQNCNQ
MHASYLFQQDKHYDLSYDTGDKALQCGRHVDVFKLWLMWRAKGTTGFEAHVDKCLELAEY
LYNIIKNREGYEMVFDGKPQHTNVCFWYIPPSLRTLEDNEERMSRLSKVAPVIKARMMEY
GTTMVSYQPLGDKVNFFRMVISNPAATHQDIDFLIEEIERLGQDL
|
| External Links |
|---|
| GenBank ID Protein
| Not Available |
| UniProtKB/Swiss-Prot ID
| Q05329 |
| UniProtKB/Swiss-Prot Entry Name
| DCE2_HUMAN |
| PDB IDs
|
|
| GenBank Gene ID
| M81882 |
| GeneCard ID
| GAD2 |
| GenAtlas ID
| GAD2 |
| HGNC ID
| HGNC:4093 |
| References |
|---|
| General References
| - Karlsen AE, Hagopian WA, Grubin CE, Dube S, Disteche CM, Adler DA, Barmeier H, Mathewes S, Grant FJ, Foster D, et al.: Cloning and primary structure of a human islet isoform of glutamic acid decarboxylase from chromosome 10. Proc Natl Acad Sci U S A. 1991 Oct 1;88(19):8337-41. [PubMed:1924293 ]
- Bu DF, Erlander MG, Hitz BC, Tillakaratne NJ, Kaufman DL, Wagner-McPherson CB, Evans GA, Tobin AJ: Two human glutamate decarboxylases, 65-kDa GAD and 67-kDa GAD, are each encoded by a single gene. Proc Natl Acad Sci U S A. 1992 Mar 15;89(6):2115-9. [PubMed:1549570 ]
- Bu DF, Tobin AJ: The exon-intron organization of the genes (GAD1 and GAD2) encoding two human glutamate decarboxylases (GAD67 and GAD65) suggests that they derive from a common ancestral GAD. Genomics. 1994 May 1;21(1):222-8. [PubMed:8088791 ]
- Mauch L, Abney CC, Berg H, Scherbaum WA, Liedvogel B, Northemann W: Characterization of a linear epitope within the human pancreatic 64-kDa glutamic acid decarboxylase and its autoimmune recognition by sera from insulin-dependent diabetes mellitus patients. Eur J Biochem. 1993 Mar 1;212(2):597-603. [PubMed:7680313 ]
- Kim J, Richter W, Aanstoot HJ, Shi Y, Fu Q, Rajotte R, Warnock G, Baekkeskov S: Differential expression of GAD65 and GAD67 in human, rat, and mouse pancreatic islets. Diabetes. 1993 Dec;42(12):1799-808. [PubMed:8243826 ]
- Namchuk M, Lindsay L, Turck CW, Kanaani J, Baekkeskov S: Phosphorylation of serine residues 3, 6, 10, and 13 distinguishes membrane anchored from soluble glutamic acid decarboxylase 65 and is restricted to glutamic acid decarboxylase 65alpha. J Biol Chem. 1997 Jan 17;272(3):1548-57. [PubMed:8999827 ]
- Kanaani J, el-Husseini Ael-D, Aguilera-Moreno A, Diacovo JM, Bredt DS, Baekkeskov S: A combination of three distinct trafficking signals mediates axonal targeting and presynaptic clustering of GAD65. J Cell Biol. 2002 Sep 30;158(7):1229-38. [PubMed:12356867 ]
- Corper AL, Stratmann T, Apostolopoulos V, Scott CA, Garcia KC, Kang AS, Wilson IA, Teyton L: A structural framework for deciphering the link between I-Ag7 and autoimmune diabetes. Science. 2000 Apr 21;288(5465):505-11. [PubMed:10775108 ]
- Fenalti G, Law RH, Buckle AM, Langendorf C, Tuck K, Rosado CJ, Faux NG, Mahmood K, Hampe CS, Banga JP, Wilce M, Schmidberger J, Rossjohn J, El-Kabbani O, Pike RN, Smith AI, Mackay IR, Rowley MJ, Whisstock JC: GABA production by glutamic acid decarboxylase is regulated by a dynamic catalytic loop. Nat Struct Mol Biol. 2007 Apr;14(4):280-6. Epub 2007 Mar 25. [PubMed:17384644 ]
|
