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Proc R Soc Lond B Biol Sci. 1989 Mar 22;236(1283):115-24.

Automated site-directed drug design: the prediction and observation of ligand point positions at hydrogen-bonding regions on protein surfaces.

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1
Department of Pharmacology, University of Cambridge, U.K.

Abstract

The HSITE program proposed in the previous paper was written to define putative ligand-point regions that could be found at protein surfaces. These regions would represent positions for hydrogen-bonding acceptor and donor atoms. In this paper the prediction of the location of these regions is compared with: (1) the position of the oxygen atoms of water molecules on the hydrated proteins myoglobin and plastocyanin; and (2) the position of hydrogen-bonded atoms in methotrexate and NADPH co-crystallized with dihydrofolate reductase, and in amidinophenyl-pyruvate co-crystallized with trypsin. The prediction of ligand-point regions is in agreement with the surveys of experimental data for water-molecule positions in protein crystals and with the positions of hydrogen-bonding atoms found in co-crystallized ligands.

PMID:
2565576
[Indexed for MEDLINE]
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