TCDB is operated by the Saier Lab Bioinformatics Group
TCIDNameDomainKingdom/PhylumProtein(s)
*1.B.11.1.1









Type κ fimbrial usher, FacD
Bacteria
Proteobacteria
FacD of E. coli (P06970)
*1.B.11.1.2









Type κ fimbrial usher, AfrB
Bacteria
Proteobacteria
AfrB of E. coli (Q07686)
*1.B.11.2.1









Type π fimbrial usher, PapC. The crystal structure of the PapC usher translocation domain has been solved (Daniels and Normark, 2008; Remaut et al., 2008).

Bacteria
Proteobacteria
PapC of E. coli (P07110)
*1.B.11.2.2









Uncharacterized outer membrane usher protein YbgQ

Bacteria
Proteobacteria
YbgQ of Escherichia coli
*1.B.11.3.1









Type γ fimbrial usher, FimC
Bacteria
Proteobacteria
FimC of Bordetella pertussis (P33410)
*1.B.11.3.2









The outer membrane usher protein, MrkC precursor (for type III fimbriae) (Burmolle et al., 2008)
Bacteria
Proteobacteria
MrkC precursor of Bordetella pertussis (P21647)
*1.B.11.3.3









Type γ4 fimbrial usher, HtrE or EcpC.  Functions with EcpD to assemble the E. coli common pilus, and extracellular fiber-like structure that plays a role in early biofilm formation and host cell recognition (Garnett et al. 2012).

Bacteria
Proteobacteria
HtrE of E. coli (P33129)
*1.B.11.3.4









Type γ3 fimbrial usher, CssD
Bacteria
Proteobacteria
CssD of E. coli (P53513)
*1.B.11.3.5









Type γ1 fimbrial usher, YcbS
Bacteria
Proteobacteria
YcbS of E. coli (Q8CVM4)
*1.B.11.3.6









Type γ2 fimbrial usher, YraJ
Bacteria
Proteobacteria
YraJ of E. coli (P42915)
*1.B.11.3.7









Usher protein, CupB3 (POTRA domain containing P-usher) [Dual function in secreting fimbril subunits and cell surface adhesin, CupB5 (Q9HWU6) which is homologous to members of the AT1 and AT2 families (1.B.12 and 1.B.40)] (Ruer et al., 2008).
Bacteria
Proteobacteria
CupB3 Usher of Pseudomonas aeruginosa (Q9HWU4)
*1.B.11.3.8









Usher, Caf1A, important for F1 antigen assembly

Bacteria
Proteobacteria
Caf1A of Yersinia pestis (P26949)
*1.B.11.3.9









Fimbial usher protein, FimD

Bacteria
Proteobacteria
FimD of E. coli (P30130)
*1.B.11.3.10









Outer membrane usher protein FasD

Bacteria
Proteobacteria
FasD of E. coli
*1.B.11.3.11









Fimbrial usher, YehB of 826 aas.

Bacteria
Proteobacteria
YehB of E. coli
*1.B.11.4.1









Type α fimbrial usher, CfaC
Bacteria
Proteobacteria
CfaC of E. coli (P25733)
*1.B.11.5.1









Type β fimbrial usher, YhcD
Bacteria
Proteobacteria
YhcD of E. coli (P45420)
*1.B.11.6.1









Type σ fimbrial usher, CsuD
Bacteria
Proteobacteria
CsuD of Acinetobacter baumannii (Q6XBY3)
*1.B.11.6.2









Fimbrial usher protein

Bacteria
Proteobacteria
FUP of Myxococcus xanthus
*1.B.11.6.3









Fimbrial usher, PapC

Bacteria
Spirochaetes
PapC homologue of Spirochaeta africana
*1.B.11.6.4









Fimbrial usher protein of 892 aas (Nuccio and Bäumler 2007).

Bacteria
Cyanobacteria
Fimbrial usher protein of Synechocystis sp.
*1.B.11.7.1









Fimbrial O.M. usher protein (760aas)
Bacteria
Proteobacteria
Usher protein of Burkholderia multivorans (A9AQJ0)
*1.B.11.8.1









Fimbrial usher protein of 729 aas (Nuccio and Bäumler, 2007). Note: Deinococcus radiodurans has an envelope with two membranes; the outer membrane lacks lipopolysaccharide.

Bacteria
Deinococcus-Thermus
Fimbrial usher protein of Deinococcus radiodurans