both bromphenacyl bromide ( bpab ) and epoxy-p-nitrophenoxypropane ( epnp ) inhibited chemotaxis and chemotaxin-induced enzyme release elicited by pepstatin and formylmethionyl peptides , which share membrane receptors , and also by zymosan-activated serum , the major active component of which ( c5a ) occupies a different receptor .
C0008018
chemotaxis
C1367710
c5a