| GO | Name |
| GO:0000287 | magnesium ion binding |
| GO:0002189 | ribose phosphate diphosphokinase complex |
| GO:0004749 | ribose phosphate diphosphokinase activity |
| GO:0004857 | enzyme inhibitor activity |
| GO:0005737 | cytoplasm |
| GO:0006015 | 5-phosphoribose 1-diphosphate biosynthetic process |
| GO:0006139 | nucleobase-containing compound metabolic process |
| GO:0006164 | purine nucleotide biosynthetic process |
| GO:0009116 | nucleoside metabolic process |
| GO:0042802 | identical protein binding |