KEGG Orthology (KO) [BR:ko00001] 09100 Metabolism 09102 Energy metabolism 00710 Carbon fixation by Calvin cycle [PATH:ko00710] K00855 PRK, prk; phosphoribulokinase [EC:2.7.1.19] Enzymes [BR:ko01000] 2. Transferases 2.7 Transferring phosphorus-containing groups 2.7.1 Phosphotransferases with an alcohol group as acceptor 2.7.1.19 phosphoribulokinase K00855 PRK, prk; phosphoribulokinase [EC:2.7.1.19]