| IPR043964 | TraG, P-loop domain | Domain |
| IPR018145 | Type IV secretion system ATPase VirB4/TrbE, middle domain | Domain |
| IPR051162 | T4SS_component | Unknown |
| IPR004346 | Type IV secretion system ATPase VirB4/TrbE | Family |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |
EA [auth f], L [auth j], S [auth R] | IPR007792 | Type IV secretion system VirB3/TrbD-like | Family |
J [auth L], K [auth M], M [auth H], O [auth I], Q [auth J] | IPR007688 | Plasmid conjugal transfer TrbL/VirB6 | Family |
DA [auth e], H [auth a], Z | IPR047695 | Type IV secretion system, VirB10/PtlG | Family |
DA [auth e], H [auth a], Z | IPR042217 | Type IV secretion system, VirB10/TrbI | Homologous Superfamily |
DA [auth e], H [auth a], Z | IPR005498 | Type IV secretion system, VirB10/TraB/TrbI | Family |
AA [auth b], B [auth D], BA [auth c], CA [auth d], D [auth F], F [auth G], HA [auth i], R [auth Q], T [auth S], V [auth U], X, Y | IPR032710 | NTF2-like domain superfamily | Homologous Superfamily |
AA [auth b], B [auth D], BA [auth c], CA [auth d], D [auth F], F [auth G], HA [auth i], R [auth Q], T [auth S], V [auth U], X, Y | IPR007430 | Bacterial virulence protein VirB8-like | Domain |
AA [auth b], B [auth D], BA [auth c], CA [auth d], D [auth F], F [auth G], HA [auth i], R [auth Q], T [auth S], V [auth U], X, Y | IPR026264 | VirB8/PtlE | Unknown |
A, C [auth B], E [auth C], G [auth K], I [auth E] | IPR014158 | Type IV secretion system protein VirB5-like | Family |
A, C [auth B], E [auth C], G [auth K], I [auth E] | IPR023220 | Type IV secretion system VirB5 superfamily | Homologous Superfamily |