title: Actin paracrystal in the acrosome of newt sperm.
mesh_terms: D000177:Acrosome / Q000032:analysis*; D000199:Actins / Q000032:analysis*; D000818:Animals; D003460:Crystallization; D003851:Deoxyribonucleases / Q000494:pharmacology; D008297:Male; D011487:Protein Conformation; D012455:Salamandridae / Q000033:anatomy & histology*; D013094:Spermatozoa / Q000032:analysis*; D014357:Trypsin / Q000494:pharmacology
chemical_list: D000199:Actins; D003851:Deoxyribonucleases; D014357:Trypsin