ID 2.7.3.2 DE creatine kinase. CA ATP + creatine = ADP + H(+) + N-phosphocreatine. CC -!- N-Ethylglycocyamine can also act as acceptor. DR Q5EA61, KCRB_BOVIN ; P05124, KCRB_CANLF ; P05122, KCRB_CHICK ; DR P12277, KCRB_HUMAN ; Q04447, KCRB_MOUSE ; Q29594, KCRB_PIG ; DR P00567, KCRB_RABIT ; P07335, KCRB_RAT ; P26460, KCRB_SQUAC ; DR P18294, KCRF_STRPU ; Q9XSC6, KCRM_BOVIN ; P05123, KCRM_CANLF ; DR P00565, KCRM_CHICK ; P06732, KCRM_HUMAN ; P07310, KCRM_MOUSE ; DR Q5XLD3, KCRM_PIG ; P00563, KCRM_RABIT ; P00564, KCRM_RAT ; DR P04414, KCRM_TETCF ; P00566, KCRM_TORMA ; Q3ZBP1, KCRS_BOVIN ; DR P11009, KCRS_CHICK ; P17540, KCRS_HUMAN ; Q6P8J7, KCRS_MOUSE ; DR Q5R7B5, KCRS_PONAB ; O77814, KCRS_RABIT ; P09605, KCRS_RAT ; DR P24722, KCRT_ONCMY ; Q9TTK8, KCRU_BOVIN ; P70079, KCRU_CHICK ; DR P12532, KCRU_HUMAN ; P30275, KCRU_MOUSE ; Q29577, KCRU_PIG ; DR P25809, KCRU_RAT ; //