title: Effects of chemical modification on the activity of Crotalus adamanteus Phospholipase A 2 . Evidence for an essential amino group.
mesh_terms: D000215:Acylation; D000596:Amino Acids / Q000032:analysis; D000812:Anhydrides; D000818:Animals; D001665:Binding Sites; D002850:Chromatography, Gel; D005019:Ethyl Ethers; D005461:Fluorine; D005561:Formates; D007455:Iodine; D007461:Iodoacetates; D008239:Lysine; D046911:Macromolecular Substances; D009578:Nitrobenzenes; D010084:Oxidation-Reduction; D010740:Phospholipases / Q000032:analysis / Q000037:antagonists & inhibitors; D011487:Protein Conformation; D012911:Snakes; D013056:Spectrophotometry, Ultraviolet; D013329:Structure-Activity Relationship; D013388:Succinimides; D014364:Tryptophan; D014508:Urea
chemical_list: D000596:Amino Acids; D000812:Anhydrides; D005019:Ethyl Ethers; D005561:Formates; D007461:Iodoacetates; D046911:Macromolecular Substances; D009578:Nitrobenzenes; D013388:Succinimides; D005461:Fluorine; D014364:Tryptophan; D014508:Urea; D007455:Iodine; D010740:Phospholipases; D008239:Lysine