ComB2 is a component of ComB T4SS. ComB2 is seemed to be a “stump structure” in the cell envelope that might facilitate DNA uptake but does not form an extended extracellular pilus

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 ComB2109948166ComBNC_008229Helicobacter acinonychis str. Sheeba
2 ComB215644648ComBNC_000915Helicobacter pylori 26695
3 ComB2254778751ComBNC_012973Helicobacter pylori B38
4 ComB2298737101ComBNC_014256Helicobacter pylori B8
5 ComB2208433990ComBNC_011333Helicobacter pylori G27
6 ComB2108562440ComBNC_008086Helicobacter pylori HPAG1
7 ComB215611084ComBNC_000921Helicobacter pylori J99
8 ComB2210134214ComBNC_011498Helicobacter pylori P12
9 ComB2308182201ComBNC_014555Helicobacter pylori PeCan4
10 ComB2188526826ComBNC_010698Helicobacter pylori Shi470
11 ComB2308183813ComBNC_014560Helicobacter pylori SJM180
Select All

Multiple protein sequence alignment by MUSCLE online