GAD1 Gene Summary [Human]

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 pathogenic role for this enzyme has been identified in the human pancreas since it has been identified as an autoantigen and an autoreactive T cell target in insulin-dependent diabetes. This gene may also play a role in the stiff man syndrome. Deficiency in this enzyme has been shown to lead to pyridoxine dependency with seizures. Alternative splicing of this gene results in two products, the predominant 67-kD form and a less-frequent 25-kD form. [provided by RefSeq, Jul 2008]

Details

Type
Protein Coding
Official Symbol
GAD1
Official Name
glutamate decarboxylase 1 [Source:HGNC Symbol;Acc:HGNC:4092]
Ensembl ID
ENSG00000128683
Bio databases IDs NCBI: 2571 Ensembl: ENSG00000128683
Aliases glutamate decarboxylase 1
Synonyms CPSQ1, DEE89, EP10, GAD, GAD67, glutamate decarboxylase 1, Glutamic acid decarboxylase, SCP
Species
Human, Homo sapiens
OrthologiesMouseRat

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains in human GAD1 often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • Aminotransferase class-V
  • glutamate decarboxylase
  • pyridoxal phosphate binding
  • binding protein
  • AAT_I
  • glutamate binding
  • enzyme
  • protein binding
  • identical protein binding

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
disease
  • neoplasia
  • developmental and epileptic encephalopathy type 89
  • palatal shelves fail to meet at midline
  • schizophrenia
  • heat hyperalgesia
  • bipolar disorder
  • heroin dependence
  • hyperammonemia
  • pervasive developmental disorder
  • hypoxia
regulated by
  • IL1B
  • DRD2
  • 6-hydroxydopamine
  • IFNG
  • NRTN
  • 6-methyl-2-(phenylethynyl)pyridine
  • D-glucose
  • CREB1
  • eticlopride
  • tetrachlorodibenzodioxin
regulates
role in cell
  • quantity
  • migration
  • proliferation
  • synaptic transmission in
  • abnormal morphology

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Cytoplasm
  • soluble fraction
  • presynaptic regions
  • perinuclear region
  • cell cortex
  • Plasma Membrane
  • vesicles
  • cytosol
  • neurites
  • nerve ending
  • synaptosomes
  • synapse
  • perikaryon
  • axons
  • postsynaptic density
  • axon terminals
  • presynaptic terminals
  • clathrin-coated vesicles

Gene Ontology Annotations

Describes the biological processes, cellular components, and molecular functions associated with the human GAD1 gene, providing context for its role in the cell.

Biological Process

Functions and activities the gene product is involved in
  • glutamate catabolic process
  • social behavior
  • locomotory exploration behavior
  • synaptic transmission
  • glutamate decarboxylation to succinate
  • gamma-aminobutyric acid biosynthetic process

Cellular Component

Where in the cell the gene product is active
  • inhibitory synapse
  • clathrin sculpted gamma-aminobutyric acid transport vesicle membrane
  • presynaptic active zone
  • cytoplasm
  • vesicle membrane
  • cell cortex
  • axon terminus
  • plasma membrane

Molecular Function

What the gene product does at the molecular level
  • pyridoxal phosphate binding
  • identical protein binding
  • protein binding
  • glutamate decarboxylase activity

Gene-Specific Assays for Results You Can Trust

Streamline your workflow with assays designed for this gene. Our targeted dPCR and qPCR assays help you generate meaningful data – efficiently and accurately.