Main Reaction: FGAR >> IMP

Reference: PubMed ID: 10432311
Authors: Fairbanks LD, Rückemann K, Qiu Y, Hawrylowicz CM, Richards DF, Swaminathan R, Kirschbaum B, Simmonds HA
Title: Methotrexate inhibits the first committed step of purine biosynthesis in mitogen-stimulated human T-lymphocytes: a metabolic basis for efficacy in rheumatoid arthritis?
Published: 1999 Aug 15

FGAR --> IMP