>tr|A0A832T4H2|A0A832T4H2_9EURY Cytidylate kinase OS=Methanocaldococcus jannaschii GN=cmk MIITIGGLPGTGTTTIAKMIAEKYNLRHVCAGFIFREMAKEMGMDLQEFSKYAEQHKEID EEIDRRQVEIAKQGNVVLEGRLAAWMLLKNGIKPDLTIWFKAPLEVRAERISKRENIDKD VALKKMIEREASEKKRYKEIYNIDLDDLSIYDLVIDTSKWDVEGVFNIVSSAIDNLKK