Table 1.
Origins and in vitro assembly of analyzed secretins
| Secretin (species) | Secretion system | Accession no. | In vitro multimerizationa |
|---|---|---|---|
| PulD (Klebsiella oxytoca) | T2SS | P15644 | + |
| OutD (Dickeya dadantii) | T2SS | P31700 | + |
| XcpQ (Pseudomonas aeruginosa) | T2SS | NP_251795 | + |
| pIV (f1 filamentous phage) | f1 phage | P03666 | + |
| ExeD (Aeromonas hydrophila) | T2SS | P31780 | + |
| LspD (Legionella pneumophila) | T2SS | YP_123599 | + |
| EpsD (Vibrio cholerae) | T2SS | YP_001218221 | + |
| XcsD (Xanthomonas campestris) | T2SS | NP_638771 | + |
| GspD (Shewanella oneidensis) | T2SS | NP_715808 | + |
| PscC (Pseudomonas aeruginosa) | T3SS | NP_250407 | − |
| PilQ (Neisseria meningitidis) | T4PS | NP_274809 | − |
| PilQ (Pseudomonas aeruginosa) | T4PS | NP_253727 | − |
a
In vitro multimerization and insertion into liposomes was tested in the cell-free coupled transcription and translation system and analyzed by SDS-PAGE and electron microscopy.