title: Studies on puff adder (Bitis arietans) venom. I. Purification and properties of protease A.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001322:Autoanalysis; D001329:Autolysis / Q000517:prevention & control; D002118:Calcium / Q000494:pharmacology; D002850:Chromatography, Gel; D004950:Esterases / Q000032:analysis; D008970:Molecular Weight; D010447:Peptide Hydrolases / Q000302:isolation & purification*; D012911:Snakes; D014461:Ultracentrifugation; D014688:Venoms / Q000032:analysis*
chemical_list: D000596:Amino Acids; D014688:Venoms; D004950:Esterases; D010447:Peptide Hydrolases; D002118:Calcium