MeSH note : mucopolysaccharide-protein complex isolated from egg membrane of sea snail, Tegula
pfeifferi; exerts stoichiometric lytic activity on the membrane; also isolated from
sperm of marine invertebrate Megathura crenulata which lyse the egg-membrane of the
same species; may have enzymatic activity; composed of 134 amino acids; amino acid
sequence known; from acrosome granule of abalone sperm, MW 16,000; do not confuse
with STAPH ALPHA-LYSIN;