title: Thermodynamic Origin of Prolyl Peptide Bond Isomers.
abstract: The thermodynamic preference for the trans isomer of prolyl peptide bonds arises almost entirely from enthalpy in aqueous buffer and in toluene.
authors.affiliation: Department of Biochemistry, University of Wisconsin, Madison, WI 53706-1569 USA.
authors.forename: Eric S
authors.initials: ES
authors.lastname: Eberhardt
authors.forename: Stewart N
authors.initials: SN
authors.lastname: Loh
authors.forename: Ronald T
authors.initials: RT
authors.lastname: Raines