title: The amino acid sequence and chemical synthesis of speract and of speract analogues.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001681:Biological Assay; D005260:Female; D008297:Male; D009842:Oligopeptides / Q000138:chemical synthesis* / Q000302:isolation & purification / Q000494:pharmacology; D010063:Ovum / Q000032:analysis*; D010101:Oxygen Consumption / Q000187:drug effects; D012617:Sea Urchins; D013094:Spermatozoa / Q000187:drug effects / Q000378:metabolism; D013329:Structure-Activity Relationship
chemical_list: D009842:Oligopeptides; C028364:speract