Product Pathways - Ca / cAMP / Lipid Signaling
Phospho-IP3 Receptor (Ser1756) Antibody #3760
|3760S||100 µl (10 western blots)||---||In Stock||---|
|3760||carrier free and custom formulation / quantity||email request|
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|W||1:1000||Human, Mouse, Rat||Endogenous||320||Rabbit|
Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting
Specificity / Sensitivity
Phospho-IP3 Receptor (Ser1756) Antibody detects endogenous levels of IP3 Receptor only when phosphorylated at Ser1756.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser1756 of rat IP3 receptor. Antibodies are purified by peptide affinity chromatography.
Western blot analysis of extracts from mouse brain using Phospho-IP3 Receptor (Ser1756) Antibody. The phospho-specificity of the antibody was verified by preincubating the antibody with no peptide, with IP3 Receptor (Ser1756) phosphopeptide or with IP3 Receptor (Ser1756) non-phosphopeptide prior to incubating the membrane.
Inositol 1,4,5-triphosphate receptor, also known as IP3R or InsP3R, is a member of the intracellular calcium release channel family and is located in the endoplasmic reticulum. IP3R functions as a Ca2+ release channel for intracellular stores of calcium ions. There are three types of IP3 receptors (IP3R1, 2, and 3) that require the second messenger inositol 1,4,5-triphosphate (IP3) for activation (1). Four individual subunits homo- or hetero-oligomerize to form the receptor's functional channel (2). Phosphorylation of IP3R1 at Ser1756 by cyclic AMP-dependent protein kinase A (PKA) regulates the sensitivity of IP3R1 to IP3 and may be a mode of regulation for Ca2+ release (3,4). IP3R1-mediated Ca2+ release appears to have an effect on the induction of long term depression (LTD) in Purkinje cells (5).
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