title: The structure of papain.
mesh_terms: D000215:Acylation; D000595:Amino Acid Sequence; D001665:Binding Sites; D002384:Catalysis; D003460:Crystallization; D006863:Hydrogen-Ion Concentration; D006868:Hydrolysis; D007700:Kinetics; D008628:Mercury; D008961:Models, Structural; D010206:Papain / Q000037:antagonists & inhibitors / Q000302:isolation & purification; D011485:Protein Binding; D011487:Protein Conformation; D014364:Tryptophan; D014443:Tyrosine; D014961:X-Ray Diffraction
chemical_list: D014443:Tyrosine; D014364:Tryptophan; D010206:Papain; D008628:Mercury