part of Phosphorylation Pentose phosphate pathway Purine metabolism ATP + D-Ribose 5-phosphate = AMP + 5-Phospho-alpha-D-ribose 1-diphosphate( EC:2.7.6.1 ) ATP + D-Ribose 5-phosphate = AMP + D-5-Phospho-ribosyl 1-diphosphate( EC:2.7.6.1 ) EC:2.7.6.1 IEV:0002765 IMR:0001351 IMR:0200060 IMR:0200083 IMR:0200179 KEGG:R01049 KEGG:map00030 KEGG:map00230 event