Raccoon experiments

Phosphoglucosamine mutase (PNGM) is a bacterial enzyme that partici-pates in the peptidoglycan biosynthetic pathway. Recent crystal structures of PNGM from two bacterial pathogens,Bacillus anthracisandFrancisella tularensis, have revealed key structural features of this enzyme for the first time.

10p cosis54 09-12-2012 42 3   Download

Enzymes are basically composed of 20 naturally occurring amino acids, yet they catalyse a dizzying array of chemical reactions, with regiospecificity and stereospecificity and under physiological conditions. In this review, we attempt to gain some understanding of these complex proteins

11p cosis54 09-12-2012 44 2   Download