>sp|B1X850|KCY_ECODH Cytidylate kinase OS=Escherichia coli GN=cmk MTAIAPVITIDGPSGAGKGTLCKAMAEALQWHLLDSGAIYRVLALAALHHHVDVASEDAL VPLASHLDVRFVSTNGNLEVILEGEDVSGEIRTQEVANAASQVAAFPRVREALLRRQRAF RELPGLIADGRDMGTVVFPDAPVKIFLDASSEERAHRRMLQLQEKGFSVNFERLLAEIKE RDDRDRNRAVAPLVPAADALVLDSTTLSIEQVIEKALQYARQKLALA