U

membrane spanning protein in TolA-TolQ-TolR complex (RefSeq)

uptake of enterobactin; tonB-dependent uptake of B colicins (RefSeq)

protein tolB precursor (RefSeq)

putative secG: preprotein translocase (RefSeq)

preprotein translocase, auxillary membrane component (General Secretory Pathway), YajC subunit (RefSeq)

putative protein-export membrane protein, SecD/SecF family (RefSeq)

putative protein-export membrane protein, SecD/SecF family (RefSeq)

Preprotein translocase subunit SecE-like protein (RefSeq)

Sec-independent protein translocase protein (RefSeq)

Sec-independent protein translocase protein (RefSeq)