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An NH3+...phenyl interaction in L-phenylalanyl-L-valine
1Department of Chemistry, University of Oslo, PO Box 1033 Blindern, N-0315 Oslo, Norway. c.h.gorbitz@kjemi.uio.no
Acta Crystallographica. Section C, Crystal Structure Communications
|December 19, 2000
Abstract:
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.