PMID: 15889170

Authors:

Bourderioux A, Lefoix M, Gueyrard D, Tatibouet A, Cottaz S, Arzt S, Burmeister WP, Rollin P

Title:

The glucosinolate-myrosinase system. New insights into enzyme-substrate interactions by use of simplified inhibitors.

Journal:

Org Biomol Chem. 2005 May 21;3(10):1872-9. Epub 2005 Apr 14.

Abstract:

Myrosinase, a thioglucoside glucohydrolase, is the only enzyme able to hydrolyse glucosinolates, a unique family of molecules bearing an anomeric O-sulfated thiohydroximate function. Non-hydrolysable myrosinase inhibitors have been devised and studied for their biological interaction. Diverse modifications of the O-sulfate moiety did not result in a significant inhibitory effect, whereas replacing the D-glucopyrano residue by its carba-analogue allowed inhibition to take place. X-Ray experiments carried out after soaking allowed for the first time inclusion of a non-hydrolysable inhibitor inside the enzymatic pocket. Structural tuning of the aglycon part in its pocket is being used as a guide for the development of simplified and more potent inhibitors.