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Peptide-lanthanide interactions. Crystal structure of a europium(III)-triglycine complex

Aparna, K and Balaram, P and Krishnamurthy, SS and Nethaji, M (1994) Peptide-lanthanide interactions. Crystal structure of a europium(III)-triglycine complex. In: International Journal of Peptide & Protein Research, 43 (1). pp. 19-22.

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Official URL: http://www.ncbi.nlm.nih.gov/pubmed/8138347


Crystals of Eu-(Gly-Gly-Gly).(H2O)5.(ClO4)3 are triclinic, spacegroup P1BAR with a = 9.123 (2), b = 11.185 (5), c = 11.426 (2) angstrom; alpha = 90.79 (2), beta = 98.08 (1), gamma = 98.57 (2)-degrees; Z = 2. The europium cation is surrounded by four oxygens from three different peptide units and four oxygens from water molecules. The geometry around the metal is a distorted bi-capped trigonal prism. The peptide backbone conformation in this complex is compared with those in the free peptide and in various metal complexes. Considerable differences are observed between Eu(III) and Ca(II) complexes of triglycine. (C) Munksgaard 1994.

Item Type: Journal Article
Additional Information: Copy right of this article belongs to MUNKSGAARD INT PUBL LTD.
Department/Centre: Division of Biological Sciences > Molecular Biophysics Unit
Depositing User: Ms TV Yashodha
Date Deposited: 27 Apr 2010 12:07
Last Modified: 19 Sep 2010 06:00
URI: http://eprints.iisc.ac.in/id/eprint/27313

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