Biosynthesis of the purines.  VIII.  Enzymatic synthesis and utilization of alpha-5-phosphoribosylpyrophosphate.
D010754:Phosphoribosyl Pyrophosphate; D011687:Purines; D012266:Ribose / Q000031:analogs & derivatives
D011687:Purines; D012266:Ribose; D010754:Phosphoribosyl Pyrophosphate; C030985:purine
RIBOSE/derivatives