>tr|F4TCD6|F4TCD6_ECOLX Cytidylate kinase OS=Escherichia coli M718 GN=cmk MTAIAPVITIDGPSGAGKGTLCKAMAEALQWHLLDSGAIYRVLALAALHHHVDVASEDAL VPLASHLDVRFVSTNGNLEVILEGEDVSGEIRTQEVANAASQVAAFPRVREALLRRQRAF RELPGLIADGRDMGTVVFPDAPVKIFLDASSEERAHRRMLQLQEKGFSVNFERLLAEIKE RDDRDRNRAVAPLVPAADALVLDSTTLSIEQVIEKALQYARQKLALA