title: Sea urchin fertilization envelope: isolation, extraction, and characterization of a major protein fraction from Stronglyocentrotus purpuratus embryos.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D004625:Embryo, Nonmammalian / Q000502:physiology* / Q000648:ultrastructure; D005260:Female; D005306:Fertilization; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D008970:Molecular Weight; D011487:Protein Conformation; D011506:Proteins / Q000302:isolation & purification / Q000502:physiology; D012617:Sea Urchins; D014817:Vitelline Membrane / Q000032:analysis*
chemical_list: D000596:Amino Acids; D011506:Proteins