TCDB is operated by the Saier Lab Bioinformatics Group
TCIDNameDomainKingdom/PhylumProtein(s)
9.B.391.1.1









Inner membrane signal peptidase complex consisting of Imp1 (190 aas, 0-3 TMSs, P28637), Imp2 (177 aas and 2 TMSs, P46972) and Som1 (74 aas, 0 TMSs, Q05676). See family description for details.

Eukaryota
Fungi, Ascomycota
Imp1, 2, and Som1 of Saccharomyces cerevisiae
9.B.391.1.2









Signal peptidase I of 279 aas and 2 N-terminal TMSs.

Bacteria
Pseudomonadota
Peptidase of Guyparkeria halophila
9.B.391.1.3









Signal peptidase I, LepB, of 324 aas and 2 or 3 N-terminal TMSs. Cotranslational translocation and folding of the periplasmic domain of LepB has been demonstrated (Sandhu et al. 2021).

Bacteria
Pseudomonadota
LepB of E. coli