Gene Gene information from NCBI Gene database.
Entrez ID 2571
Gene name Glutamate decarboxylase 1
Gene symbol GAD1
Synonyms (NCBI Gene)
CPSQ1DEE89GADSCP
Chromosome 2
Chromosome location 2q31.1
Summary This gene encodes one of several forms of glutamic acid decarboxylase, identified as a major autoantigen in insulin-dependent diabetes. The enzyme encoded is responsible for catalyzing the production of gamma-aminobutyric acid from L-glutamic acid. A path
SNPs SNP information provided by dbSNP.
3
SNP ID Visualize variation Clinical significance Consequence
rs121918345 C>G,T Pathogenic Genic upstream transcript variant, coding sequence variant, missense variant
rs774953382 C>G,T Likely-pathogenic Missense variant, coding sequence variant, genic downstream transcript variant
rs1575446166 T>G Likely-pathogenic Genic downstream transcript variant, coding sequence variant, missense variant
miRNA miRNA information provided by mirtarbase database.
18
miRTarBase ID miRNA Experiments Reference
MIRT756090 hsa-miR-24-3p Luciferase reporter assayWestern blotting 36814556
MIRT1010176 hsa-miR-105 CLIP-seq
MIRT1010177 hsa-miR-1253 CLIP-seq
MIRT1010178 hsa-miR-1324 CLIP-seq
MIRT1010179 hsa-miR-2278 CLIP-seq
Transcription factors Transcription factors information provided by TRRUST V2 database.
5
Transcription factor Regulation Reference
ARNT Unknown 18335162
DNMT1 Repression 19029285
HDAC1 Repression 19029285
MECP2 Repression 19029285
XBP1 Unknown 18335162
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
35
GO ID Ontology Definition Evidence Reference
GO:0004351 Function Glutamate decarboxylase activity IBA
GO:0004351 Function Glutamate decarboxylase activity IDA 10671565, 17384644
GO:0004351 Function Glutamate decarboxylase activity IEA
GO:0005515 Function Protein binding IPI 10671565, 16189514, 17474147, 21516116, 25416956, 26871637, 31515488, 32296183
GO:0005737 Component Cytoplasm IBA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
605363 4092 ENSG00000128683
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q99259
Protein name Glutamate decarboxylase 1 (EC 4.1.1.15) (67 kDa glutamic acid decarboxylase) (GAD-67) (Glutamate decarboxylase 67 kDa isoform)
Protein function Catalyzes the synthesis of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA) with pyridoxal 5'-phosphate as cofactor. ; [Isoform 3]: Enzymatically inactive as glut
PDB 2OKJ , 3VP6
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00282 Pyridoxal_deC 144 518 Pyridoxal-dependent decarboxylase conserved domain Domain
Tissue specificity TISSUE SPECIFICITY: [Isoform 1]: Expressed in brain. {ECO:0000269|PubMed:10671565}.; TISSUE SPECIFICITY: [Isoform 3]: Expressed in pancreatic islets, testis, adrenal cortex, and perhaps other endocrine tissues, but not in brain. {ECO:0000269|PubMed:106715
Sequence
Sequence length 594
Interactions View interactions
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
223
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Developmental and epileptic encephalopathy 89 Pathogenic; Likely pathogenic rs1161418050, rs2105795792, rs774772554, rs2105801986, rs1190356035, rs2468367688, rs1189720963, rs1181224255, rs1702866781, rs1702579715, rs1702611329, rs745595462 RCV001789738
RCV001789739
RCV001789740
RCV001789741
RCV002468714
RCV003226688
RCV003989971
RCV004820862
RCV001270690
RCV001270691
RCV001270692
RCV001270693
Neurodevelopmental disorder with progressive spasticity and brain white matter abnormalities Likely pathogenic; Pathogenic rs2468338472, rs1181224255, rs1575446166 RCV003044186
RCV001836863
RCV001836925
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Cholangiocarcinoma Benign rs769393 RCV005919549
GAD1-related disorder Conflicting classifications of pathogenicity; Benign; Likely benign rs112737041, rs146199288, rs143058194, rs747269862, rs1300078227, rs139531653 RCV003950146
RCV003922430
RCV003957711
RCV003976893
RCV003971422
RCV003948005
Gastric cancer Benign; Likely benign rs769393, rs113828797 RCV005919547
RCV005895974
Hereditary spastic paraplegia Conflicting classifications of pathogenicity rs143058194 RCV000515943
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Adenocarcinoma Associate 24551133
Adenocarcinoma of Lung Associate 31207151
Adenoma Islet Cell Associate 26676824
Adenoma Islet Cell Stimulate 32686271
Autistic Disorder Associate 21901839
Autoimmune Diseases Associate 10209508, 1924293, 21744463, 31733941, 8513574
Autoimmune Diseases of the Nervous System Associate 31061195
Autoimmune polyendocrinopathy syndrome type 1 Associate 10594551
Bipolar Disorder Associate 15684088, 17442540, 18294085, 26554713
Bipolar Disorder Inhibit 19564623