7pn0 is a 2 chain structure with sequence from Thermus thermophilus. This structure supersedes the now removed PDB entry 7awo. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Q5SHU3_THET8 Involved in the biosynthesis of ribose 1,5-bisphosphate. Catalyzes the transfer of pyrophosphoryl group from ATP to ribose-5-phosphate to yield phosphoribosyl diphosphate (PRPP) and AMP.[HAMAP-Rule:MF_00583]