Inositol 1,4,5-trisphosphate receptor, type 1 (ITPR1) is highly expressed in the rat brain and is also seen in the heart. It possesses an inositol-triphosphate binding domain, a channel-forming region and a regulatory region. ITPR1 is composed of 2749 amino acids. The gene ID for the protein is 25262.
Specificity
Detects ~300 kDa. Does not recognize type 2 or type 3 IP3R′s.
Immunogen
Fusion protein amino acids 2680-2749 (cytoplasmic carboxyl terminus) of rat type1 IP3R inositol 1,4,5-triphosphate receptor type 1, Itpr1
Application
Monoclonal Anti-ITPR1 antibody produced in mouse has been used for Western blotting.
Biochem/physiol Actions
Inositol 1,4,5-trisphosphate receptor, type 1 (ITPR1) takes part in Ca2+ signaling on binding to its ligand, inositol 1,4,5-trisphosphate.
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Physical form
Solution in PBS, pH 7.4, 50% glycerol, and 0.09% sodium azide
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
Inositol 1,4,5-trisphosphate receptor type 1 (IP(3)R1) is already known to be highly expressed in the brain, and is found in many other tissues, including the atrium of the heart. Although the complete primary structure of IP(3)R1 in the rat brain
The Biochemical journal, 449(1), 39-49 (2012-09-27)
Binding of IP3 (inositol 1,4,5-trisphosphate) to the IP3-binding core (residues 224-604) of IP3Rs (IP3 receptors) initiates opening of these ubiquitous intracellular Ca2+ channels. The mechanisms are unresolved, but require conformational changes to pass through the suppressor domain (residues 1-223). A
Previous studies have shown that cytosolic Ca(2+) ([Ca(2+)]c) overload was involved in Pb-induced apoptosis in primary cultures of rat proximal tubular (rPT) cells, but the source of elevated Ca(2+) and the effect of potential subcellular Ca(2+) redistribution on apoptosis are
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