Keywords: PDB 2ai3 EBI.jpg Alpha and beta proteins a or b Phosphorylase or hydrolase-like Purine and uridine phosphorylases Purine and uridine phosphorylases Purine nucleoside phosphorylase PNP EBI License 2ai3 November 16 2008 Purine nucleoside phosphorylase PNP Files uploaded by Nichalp's script |