TY - RPRT TI - Evidence that binding to the s2-subsite of papain may be coupled with catalytically relevant structural change involving the cysteine-25-histidine-159 diad. Kinetics of the reaction of papain with a two-protonic-state reactivity probe containing a hydrophobic side chain. AU - K Brocklehurst AU - J P Malthouse AU - M Shipton PY - 1979 DO - 10.1042/bj1830223 UR - https://pubmed.ncbi.nlm.nih.gov/43129/ ID - 43129 ER -