title: Glycyl-L-leucyl-L-tyrosine dihydrate 2-propanol solvate.
abstract: The asymmetric unit (C17H25N3O5.C3H8O.2H2O) consists of two crystallographically independent peptide molecules, A and B, with different conformations, chi 1(2) being trans and gauche- for the Leu residues in molecules A and B, respectively. The backbone conformation of both peptide molecules resembles that of the beta-pleated sheet arrangement found in proteins. Comparison with two other structures containing the tripeptide Gly-L-Leu-L-Tyr reveals almost identical molecular conformations, and in one instance also a common packing pattern.
authors.affiliation: Department of Chemistry, University of Oslo, Blindern, Norway. bjornda@kjemi.ulo.no
authors.forename: B
authors.initials: B
authors.lastname: Dalhus
authors.forename: C H
authors.initials: CH
authors.lastname: Görbitz
mesh_terms: D000433:1-Propanol / Q000737:chemistry; D018360:Crystallography, X-Ray; D009842:Oligopeptides / Q000737:chemistry*; D011487:Protein Conformation
chemical_list: D009842:Oligopeptides; C104293:glycyl-leucyl-tyrosine; D000433:1-Propanol