title: Leucine aminopeptidase (Bovine lens). Mechanism of activation by Mg 2+  and Mn 2+  of the zinc metalloenzyme, amino acid composition, and sulfhydryl content.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001059:Apoproteins / Q000302:isolation & purification; D001665:Binding Sites; D001667:Binding, Competitive; D002413:Cations, Divalent; D002417:Cattle; D003956:Dialysis; D004789:Enzyme Activation; D007700:Kinetics; D007908:Lens, Crystalline / Q000201:enzymology*; D007931:Leucyl Aminopeptidase / Q000032:analysis; D046911:Macromolecular Substances; D008274:Magnesium; D008345:Manganese; D008433:Mathematics; D011485:Protein Binding; D013054:Spectrophotometry, Atomic; D013056:Spectrophotometry, Ultraviolet; D013438:Sulfhydryl Compounds / Q000032:analysis; D015032:Zinc / Q000032:analysis
chemical_list: D000596:Amino Acids; D001059:Apoproteins; D002413:Cations, Divalent; D046911:Macromolecular Substances; D013438:Sulfhydryl Compounds; D008345:Manganese; D007931:Leucyl Aminopeptidase; D008274:Magnesium; D015032:Zinc