Members of this family are large, membrane-embedded proteins of mobile elements such as the Bacillus subtilis natto plasmid pLS20, and show distant relationships to better characterized VirB-like conjugal transfer proteins. This family also shows homology to the family of Mbov_0396-like transmembrane proteins found in ICE elements of Mycoplasmopsis bovis and related species. The Transporter Classification Database (TCDB) assigns 3.A.7.13.2 to the plasmid pLS20-like conjugation system, whose member proteins include VirB1, VirB4, VirB11, VirD2, and VirD4 homologs.
- Date:
- 2024-04-12