Drago, Mueser and their collaborators at ORNL and Institut Laue-Langevin, a leading nuclear research facility in Grenoble, ...
Phosphoribosylanthranilate isomerase (PRAI) and indole-3-glycerol phosphate synthase (IGPS) are distantly related α/β-barrel enzymes that catalyze successive steps in tryptophan biosynthesis.