2.7.4.25 malfunction in a strain deleted for cmk, the pools of CMP and dCMP are elevated approximately 30fold 712269 2.7.4.25 physiological function CMP kinase that is essential for bacterial growth 713473 2.7.4.25 physiological function the cmk gene is required for normal replication rate in Escherichia coli 712269 2.7.4.25 physiological function the physiological role of CMK is to recycle CMP to CDP, which is either rapidly phosphorylated by the unspecific nucleoside diphosphate kinase NdkA to CTP or reduced to dCDP -, 712276