we studied the effect of ca2+ depletion on the hydrolysis of the phospholipids of polymixin b-killed e. coli by 1 ) added pig pancreas phospholipase a2 in e. coli s17 ( a phospholipase a-lacking mutant ) and 2 ) endogenous ca2+-dependent phospholipase a1 in the parent strain e. coli s15 .
C0031672
phospholipase
C0031666
phospholipase a1