title: Imidazole catalysis in model reactions for ;serine' peptidase and ;cysteine' peptidase activities.
authors.affiliation: Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K.
authors.forename: G M
authors.initials: GM
authors.lastname: Blackburn
authors.forename: H L
authors.initials: HL
authors.lastname: Dodds
authors.forename: D J
authors.initials: DJ
authors.lastname: Shire