GRIK2 (glutamate receptor, ionotropic, kainate 2) is a kainate type receptor, belonging to the family of glutamate ion channel receptors. Kainate receptor subtype contains five member subunits naming from GLUK1 to GLUK5. GRIK2 is also called GluK2 or GluR6. This protein has three different isoforms, differing in their C-termini. The longest isoform called GluK2a is composed of 908 amino acids. This gene is localized to human chromosome 6, spans ~670kb, and has 17 exons. The corresponding mRNA is expressed in dentate gyrus, cornu ammonis 3 (CA3) in the pyramidal neurons, cell layer of cerebellar granule, and neocortical regions of the brain.
Synonyms: Anti-EAA4; Anti-Excitatory amino acid receptor 4; Anti-GluR-6; Anti-GluR6; Anti-Glutamate receptor 6; Anti-Glutamate receptor, ionotropic kainate 2 precursor
Storage: -20C
Application: All Prestige Antibodies Powered by Atlas Antibodies are developed and validated by the Human Protein Atlas (HPA) project (www.proteinatlas.org)and as a result, are supported by the most extensive characterization in the industry. The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. The antibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. To view these protocols and other useful information about Prestige Antibodies and the HPA, visit sigma.com/prestige.
Biochem Physiol Actions: GRIK2 (glutamate receptor, ionotropic, kainate 2) is a receptor which regulates the neurotransmission through excitatory neurotransmitters in brain. Mutation M867I, which causes replacement of methionine-to-isoleucine at position 867, is associated with autism. Studies show that polymorphisms in this gene are linked to various mental disorders such as, schizophrenia, early-onset Huntington's disease, and autosomal recessive mental retardation. Variants of this gene are also the causatives of obsessive-compulsive disorder (OCD). The tyrosine residue of GRIK2 is phosphorylated by Src, post brain ischemia. This phosphorylation causes an increase in Ca2+ influx and cell currents. It also activates downstream pro-apoptotic signaling, and thus, might have a role in the pathology of ischemic stroke. The ACAG haplotype in GRIK2 gene is linked with somatic anxiety.
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