Exploring the hexokinase glucose binding site through correlation analysis and molecular modeling of glucosamine inhibitors.

Autor: Coats EA; Division of Pharmacology and Medicinal Chemistry, College of Pharmacy, University of Cincinnati, Ohio 45267-0004., Skau KA, Caperelli CA, Solomacha D
Jazyk: angličtina
Zdroj: Journal of enzyme inhibition [J Enzyme Inhib] 1992; Vol. 6 (4), pp. 271-82.
DOI: 10.3109/14756369309020177
Abstrakt: A series of N-substituted glucosamines has been designed, synthesized, and tested as inhibitors of yeast hexokinase. All derivatives exhibited competitive inhibition kinetics with respect to glucose. Quantitative structure-activity relationships were derived from the resulting inhibition data. The most significant equation demonstrated the existence of highly specific steric effects for the seven meta-substituted benzoylglucosamines included in the relationship. Molecular modeling of potential complexes between the inhibitors and the hexokinase substrate binding site strongly suggests that the steric effects arise from potential contacts with two amino acid residues lying in the region occupied by the amide substituents.
Databáze: MEDLINE