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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Res Microbiol. 2014 Oct 2;166(4):264–279. doi: 10.1016/j.resmic.2014.09.004

Figure 2. The genetic organization of the pCW3 tcp locus.

Figure 2

Proteins encoded by the various genes are stated below the arrows. The patterned arrows indicate Tcp proteins involved in pCW3 conjugative transfer, black arrows depict non-essential Tcp proteins and the grey arrow the IntP protein, which is currently uncharacterized. Proteins with sequence, functional or structural similarity from the paradigm VirB/D system from the Ti plasmid from the Gram-negative Agrobacterium tumefaciciens, the conjugation region from Tn916 and the broad-host range plasmid pIP501 from the Gram-positive Streptococcus agalactiae are represented by arrows with similar patterns. Each of these conjugation regions has homologs of the putative coupling proteins, VirD4 and TcpA, VirB8-like proteins, VirB4-like ATPases, VirB1-like lytic transglycolases and VirB6-like proteins. Based on data from [128, 129, 135].