PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2561950-10 1989 These findings show a selective inhibition of phenylephrine activation of phospholipase A2 by either the chelation of intracellular calcium with quin2 or by the calcium antagonist TMB-8 and suggest an essential role for intracellular calcium in alpha adrenergic stimulation of enzyme activity. 8-(N,N-diethylamino)octyl-3,4,5-trimethoxybenzoate 180-185 phospholipase A2 group IB Homo sapiens 74-90