creatine kinase activity https://github.com/geneontology/go-ontology/issues/28523 https://github.com/geneontology/go-ontology/issues/30193 ATP:creatine phosphotransferase activity Catalysis of the reaction: ATP + creatine = N-phosphocreatine + ADP + 2 H+. molecular_function creatine phosphokinase activity CK-BB adenosine triphosphate-creatine transphosphorylase activity creatine phosphotransferase activity CK GO:0004111 Mi-CK MetaCyc:CREATINE-KINASE-RXN phosphocreatine kinase activity Reactome:R-HSA-200318 BB-CK MM-CK Reactome:R-HSA-200326 EC:2.7.3.2 Note that this term has a MetaCyc pathway reference as the pathway only has a single step. CK-MM RHEA:17157 MiMi-CK KEGG_REACTION:R01881 ATP:creatine N-phosphotransferase activity MB-CK CKMiMi CK-MB kinase activity phosphotransferase activity, nitrogenous group as acceptor