Nicking reaction catalysed by the MobA89K and MobC89K proteins. The cleaved strand is then unwound because of the helicase and sent to the 89K-encoded GI-variety T4SS machinery. The VirB1-89K element is believed to act as a lytic transglycosylase, domestically opening the peptidoglycan with contributions from some other element(s) in the https://johnz284toh8.targetblogs.com/profile