Orf11_p is a component of Tra_p T4SS. Orf11_p is probably a channel component

Proteins belonging to this kind of component are listed
(You can select < 50 proteins to perform sequence alignment by MUSCLE)
#ComponentProtein ID T4SS Accession Organism
1 Orf11_p269124263Tra_pNC_013514Enterococcus faecalis plasmid pAMbeta1 (NC_013514)
2 Orf11_p115534836Tra_pNC_008445Enterococcus faecalis plasmid pRE25 (NC_008445)
3 Orf11_p305678724Tra_pNC_014475Enterococcus faecalis plasmid pWZ1668 (NC_014475)
4 Orf11_p63022009Tra_pNC_006979Streptococcus pyogenes plasmid pSM19035 (NC_006979)
Select All

Multiple protein sequence alignment by MUSCLE online