Janes W, Schulz G E
Institut für Organische Chemie und Biochemie, Universität Freiburg, Federal Republic of Germany.
J Biol Chem. 1990 Jun 25;265(18):10443-5. doi: 10.2210/pdb4gr1/pdb.
The retro-analogue of glutathione disulfide was bound to the GSSG binding site of crystalline glutathione reductase. The binding mode revealed why the analogue is a very poor substrate in enzyme catalysis. The observed binding mode difference between natural substrate and retro-analogue is explained.