Nicking reaction catalysed by the MobA89K and MobC89K proteins. The cleaved strand is then unwound because of the helicase and delivered to the 89K-encoded GI-variety T4SS machinery. The VirB1-89K part is believed to work as a lytic transglycosylase, domestically opening the peptidoglycan with contributions from A few other issue(s) in https://emiliocxnbp.blogitright.com/29973682/the-basic-principles-of-89ke-info