| 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 |