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Phosphoinositide-specific phospholipase C (PLC) plays a critical role in the initiation of receptor mediated signal transduction through the generation of the two second messengers, inositol 1, 4, 5-triphosphate and diacylglycerol from phosphatidylinositol 4, 5 bisphosphate. A total of eight mammalian PLC isozymes have been described (PLC β1, PLC β2, PLC β3, PLC β4, PLC γ1, PLC γ2, PLC δ1 and PLC δ2). The γ-type enzymes are unique in that they contain SH2 and SH3 domains. Moreover, the two γ-type enzymes, but not the β and δ isozymes, are subject to activation by a number of protein tyrosine kinases which associate with their SH2 domains and induce their activation by phosphoryation. In contrast, activation of PLC β1, PLC β2 and PLC β3 is mediated by the a subunits of the Gq class of heterotrimeric G proteins and by certain bg G protein subunits. The regulatory mechanisms for PLC δ1 and PLC δ2 are not yet resolved.
Ordering Information
Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
PLC β4 Antibody (D-7) | sc-166133 | 200 µg/ml | $310.00 | |||
PLC β4 Antibody (D-7): m-IgG Fc BP-HRP Bundle | sc-540022 | 200 µg Ab; 10 µg BP | $348.00 | |||
PLC β4 Antibody (D-7): m-IgG1 BP-HRP Bundle | sc-541850 | 200 µg Ab; 20 µg BP | $348.00 |