Authors:
Ash, EL
Sudmeier, JL
Day, RM
Vincent, M
Torchilin, EV
Haddad, KC
Bradshaw, EM
Sanford, DG
Bachovchin, WW
Citation: El. Ash et al., Unusual H-1 NMR chemical shifts support (His) C-epsilon 1-H center dot center dot center dot O = C H-bond: Proposal for reaction-driven ring flip mechanism in serine protease catalysis, P NAS US, 97(19), 2000, pp. 10371-10376