An NH3+...phenyl interaction in L-phenylalanyl-L-valine.
One of the amino H atoms of L-phenylalanyl-L-valine, C(14)H(20)N(2)O(3), participates in a rare secondary interaction in being accepted by the aromatic ring of the phenylalanine side chain. The phenyl group is also a donor in a weak hydrogen bond to the peptide carbonyl group.
Görbitz
C H
CH
Department of Chemistry, University of Oslo, PO Box 1033 Blindern, N-0315 Oslo, Norway. c.h.gorbitz@kjemi.uio.no
D018360:Crystallography, X-Ray; D004151:Dipeptides / Q000737:chemistry*; D006860:Hydrogen Bonding; D008968:Molecular Conformation
D004151:Dipeptides; C420709:phenylalanyl-valine