>sp|A1AF90|AC4CH_ECOK1 N(4)-acetylcytidine amidohydrolase OS=Escherichia coli O1:K1 / APEC GN=yqfB MQPNDITFFQRFQDDILAGRKTITIRDESESHFKTGDVLRVGRFEDDGYFCTIEVTATST VTLDTLTEKHAEQENMTLTELKKVIADIYPDQTQFYVIEFKCL