>tr|A0A1X3J347|A0A1X3J347_ECOLX Cytidylate kinase OS=Escherichia coli TA447 GN=cmk MTAIAPVITIDGPSGAGKGTLCKAMAEALQWHLLDSGAIYRVLALAALHHHVDVASEDAL VPLASHLDVRFVSTNGNLEVILEGEDVSGEIRTQEVANAASQVAAFPRVREALLRRQRAF RELPGLIADGRDMGTVVFPDAPVKIFLDASSEERAHRRMLQLQEKGFSVNFERLLAEIKE RDDRDRNRAVAPLVPAADALVLDSTTLSIEQVIEKALQYARQKLALA