title: Purification and the primary structure of sperm-activity peptides from the jelly coat of sea urchin eggs.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D005260:Female; D008297:Male; D010063:Ovum / Q000032:analysis*; D010455:Peptides / Q000302:isolation & purification*; D012617:Sea Urchins; D013094:Spermatozoa / Q000502:physiology*
chemical_list: D000596:Amino Acids; D010455:Peptides