. "\"The chemical reactions and pathways resulting in the formation of 5-phosphoribose 1-diphosphate, also known as 5-phosphoribosyl-1-pyrophosphate.\" [GOC:ai]" . . "5-phosphoribose 1-diphosphate biosynthetic process" . "5-phosphoribose 1-diphosphate anabolism" . "5-phosphoribose 1-diphosphate biosynthesis" . "5-phosphoribose 1-diphosphate formation" . "5-phosphoribose 1-diphosphate synthesis" . "5-phosphoribosyl-1-pyrophosphate biosynthesis" . "5-phosphoribosyl-1-pyrophosphate biosynthetic process" . "PRPP biosynthetic process" . "MetaCyc:PWY0-661" . "Reactome:REACT_100949 \"5-Phosphoribose 1-diphosphate biosynthesis, Arabidopsis thaliana\"" . "Reactome:REACT_101196 \"5-Phosphoribose 1-diphosphate biosynthesis, Gallus gallus\"" . "Reactome:REACT_102525 \"5-Phosphoribose 1-diphosphate biosynthesis, Caenorhabditis elegans\"" . "Reactome:REACT_105953 \"5-Phosphoribose 1-diphosphate biosynthesis, Sus scrofa\"" . "Reactome:REACT_107605 \"5-Phosphoribose 1-diphosphate biosynthesis, Mus musculus\"" . "Reactome:REACT_113394 \"5-Phosphoribose 1-diphosphate biosynthesis, Xenopus tropicalis\"" . "Reactome:REACT_31544 \"5-Phosphoribose 1-diphosphate biosynthesis, Staphylococcus aureus N315\"" . "Reactome:REACT_32065 \"5-Phosphoribose 1-diphosphate biosynthesis, Escherichia coli\"" . "Reactome:REACT_33233 \"5-Phosphoribose 1-diphosphate biosynthesis, Oryza sativa\"" . "Reactome:REACT_80250 \"5-Phosphoribose 1-diphosphate biosynthesis, Schizosaccharomyces pombe\"" . "Reactome:REACT_82332 \"5-Phosphoribose 1-diphosphate biosynthesis, Rattus norvegicus\"" . "Reactome:REACT_83850 \"5-Phosphoribose 1-diphosphate biosynthesis, Drosophila melanogaster\"" . "Reactome:REACT_84370 \"5-Phosphoribose 1-diphosphate biosynthesis, Bos taurus\"" . "Reactome:REACT_84874 \"5-Phosphoribose 1-diphosphate biosynthesis, Plasmodium falciparum\"" . "Reactome:REACT_850 \"5-Phosphoribose 1-diphosphate biosynthesis, Homo sapiens\"" . "Reactome:REACT_87464 \"5-Phosphoribose 1-diphosphate biosynthesis, Dictyostelium discoideum\"" . "Reactome:REACT_89428 \"5-Phosphoribose 1-diphosphate biosynthesis, Danio rerio\"" . "Reactome:REACT_94601 \"5-Phosphoribose 1-diphosphate biosynthesis, Canis familiaris\"" . "Reactome:REACT_96150 \"5-Phosphoribose 1-diphosphate biosynthesis, Mycobacterium tuberculosis\"" . "Reactome:REACT_99058 \"5-Phosphoribose 1-diphosphate biosynthesis, Saccharomyces cerevisiae\"" . . .