ID   TATB_CAMFF              Reviewed;         151 AA.
AC   A0RPZ4;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   09-JAN-2007, sequence version 1.
DT   03-AUG-2022, entry version 84.
DE   RecName: Full=Sec-independent protein translocase protein TatB {ECO:0000255|HAMAP-Rule:MF_00237};
GN   Name=tatB {ECO:0000255|HAMAP-Rule:MF_00237};
GN   OrderedLocusNames=CFF8240_1119;
OS   Campylobacter fetus subsp. fetus (strain 82-40).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Campylobacteraceae; Campylobacter.
OX   NCBI_TaxID=360106;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=82-40;
RA   Fouts D.E., Nelson K.E.;
RT   "Sequence of Campylobacter fetus subsp. fetus 82-40.";
RL   Submitted (NOV-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Part of the twin-arginine translocation (Tat) system that
CC       transports large folded proteins containing a characteristic twin-
CC       arginine motif in their signal peptide across membranes. Together with
CC       TatC, TatB is part of a receptor directly interacting with Tat signal
CC       peptides. TatB may form an oligomeric binding site that transiently
CC       accommodates folded Tat precursor proteins before their translocation.
CC       {ECO:0000255|HAMAP-Rule:MF_00237}.
CC   -!- SUBUNIT: The Tat system comprises two distinct complexes: a TatABC
CC       complex, containing multiple copies of TatA, TatB and TatC subunits,
CC       and a separate TatA complex, containing only TatA subunits. Substrates
CC       initially bind to the TatABC complex, which probably triggers
CC       association of the separate TatA complex to form the active translocon.
CC       {ECO:0000255|HAMAP-Rule:MF_00237}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00237}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00237}.
CC   -!- SIMILARITY: Belongs to the TatB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00237}.
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DR   EMBL; CP000487; ABK82222.1; -; Genomic_DNA.
DR   RefSeq; WP_002849729.1; NC_008599.1.
DR   AlphaFoldDB; A0RPZ4; -.
DR   SMR; A0RPZ4; -.
DR   STRING; 360106.CFF8240_1119; -.
DR   EnsemblBacteria; ABK82222; ABK82222; CFF8240_1119.
DR   GeneID; 61064944; -.
DR   KEGG; cff:CFF8240_1119; -.
DR   eggNOG; COG1826; Bacteria.
DR   HOGENOM; CLU_086034_0_1_7; -.
DR   OMA; MNDAKQS; -.
DR   OrthoDB; 1998101at2; -.
DR   Proteomes; UP000000760; Chromosome.
DR   GO; GO:0005887; C:integral component of plasma membrane; IEA:UniProtKB-UniRule.
DR   GO; GO:0033281; C:TAT protein transport complex; IEA:UniProtKB-UniRule.
DR   GO; GO:0008320; F:protein transmembrane transporter activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0043953; P:protein transport by the Tat complex; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00237; TatB; 1.
DR   InterPro; IPR003369; TatA/B/E.
DR   InterPro; IPR018448; TatB.
DR   Pfam; PF02416; TatA_B_E; 1.
DR   TIGRFAMs; TIGR01410; tatB; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Membrane; Protein transport;
KW   Translocation; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..151
FT                   /note="Sec-independent protein translocase protein TatB"
FT                   /id="PRO_0000301159"
FT   TRANSMEM        1..21
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00237"
FT   REGION          120..151
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        120..141
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   151 AA;  16894 MW;  27D1A01B291871FC CRC64;
     MFGMSLPEII IIAVIAVIFL GPDKLPDAMV KIAKFFKLFK QTVNSAKSTF EQEVKIAELK
     EDAKKYKENI TNAASSVRKK LTFEELDELK STVSGTKNSI NESLADIKKE ITKDPLTLLN
     NDPLNNETLN EQPSKPSPNL NLENKEIKKE A