The pKa value of the active site histidine in photo-oxidised papain.
D001665:Binding Sites; D006639:Histidine / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D010084:Oxidation-Reduction; D010206:Papain / Q000378:metabolism; D010777:Photochemistry; D011485:Protein Binding; D013050:Spectrometry, Fluorescence
D006639:Histidine; D010206:Papain