BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN PURH [INCLUDES: PHOSPHORIBOSYLAMINOIMIDAZOLECARBOXAMIDE FORMYLTRANSFERASE (EC 2.1.2.3) (AICAR TRANSFORMYLASE); IMP CYCLOHYDROLASE (EC 3.5.4.10) (INOSINICASE) (IMP SYNTHETASE) (ATIC)]. [Source:SWISSPROT;Acc:P31939]