CALP1 CAS NO.145224-99-3

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CALP1 is a cell-permeable calmodulin (CaM) agonist binding to the EF-hand/Ca2+-binding site and activating phosphodiesterase. CALP1 also binds to cytoplasmic sites on other Ca2+ channels such as NMDA and HIV-1 gp120-activated channels, inhibiting Ca2+-mediated cytotoxicity and apoptosis (IC50 = 52 μM). It was shown to suppress VLA-5-mediated adhesion of mast cells to fibronectin in vitro and attenuates inflammatory cell influx in guinea pig lung in vivo.