Predicted to enable ATP binding activity; protein homodimerization activity; and ribose phosphate diphosphokinase activity. Predicted to be involved in several processes, including 5-phosphoribose 1-diphosphate biosynthetic process; purine-containing compound biosynthetic process; and urate biosynthetic process. Predicted to be part of ribose phosphate diphosphokinase complex. Predicted to be active in cytoplasm. Human ortholog(s) of this gene implicated in Arts syndrome; X-linked deafness 1; X-linked recessive disease (multiple); gout; and retinitis pigmentosa. Orthologous to human PRPS1 (phosphoribosyl pyrophosphate synthetase 1). [provided by Alliance of Genome Resources, Apr 2022]