ID   TATB_PSEU2              Reviewed;         158 AA.
AC   Q4ZZG9;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   07-JUN-2005, sequence version 1.
DT   25-MAY-2022, entry version 82.
DE   RecName: Full=Sec-independent protein translocase protein TatB {ECO:0000255|HAMAP-Rule:MF_00237};
GN   Name=tatB {ECO:0000255|HAMAP-Rule:MF_00237}; OrderedLocusNames=Psyr_0383;
OS   Pseudomonas syringae pv. syringae (strain B728a).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas; Pseudomonas syringae.
OX   NCBI_TaxID=205918;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=B728a;
RX   PubMed=16043691; DOI=10.1073/pnas.0504930102;
RA   Feil H., Feil W.S., Chain P., Larimer F., Dibartolo G., Copeland A.,
RA   Lykidis A., Trong S., Nolan M., Goltsman E., Thiel J., Malfatti S.,
RA   Loper J.E., Lapidus A., Detter J.C., Land M., Richardson P.M.,
RA   Kyrpides N.C., Ivanova N., Lindow S.E.;
RT   "Comparison of the complete genome sequences of Pseudomonas syringae pv.
RT   syringae B728a and pv. tomato DC3000.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:11064-11069(2005).
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; CP000075; AAY35453.1; -; Genomic_DNA.
DR   RefSeq; WP_011266365.1; NC_007005.1.
DR   RefSeq; YP_233491.1; NC_007005.1.
DR   AlphaFoldDB; Q4ZZG9; -.
DR   SMR; Q4ZZG9; -.
DR   STRING; 205918.Psyr_0383; -.
DR   EnsemblBacteria; AAY35453; AAY35453; Psyr_0383.
DR   KEGG; psb:Psyr_0383; -.
DR   PATRIC; fig|205918.7.peg.396; -.
DR   eggNOG; COG1826; Bacteria.
DR   HOGENOM; CLU_086034_1_1_6; -.
DR   OMA; GQFQEAM; -.
DR   Proteomes; UP000000426; 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..158
FT                   /note="Sec-independent protein translocase protein TatB"
FT                   /id="PRO_0000301212"
FT   TRANSMEM        1..21
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00237"
FT   REGION          73..158
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        87..101
FT                   /note="Pro residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        140..158
FT                   /note="Pro residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   158 AA;  16764 MW;  CB9AF08839AC6790 CRC64;
     MFGISFSELL LVGLVALLVL GPERLPGAAR TAGLWIGRLK RSFNAIKQEV EREIGADEIR
     RQLHNEHILS MEDEARKMFA PNQPSENSPE PANPPPAPAA AEAASPVHNQ AAHHEIGPAQ
     PAAPKTELSL EKTAKPADAG TPVPAPPAHD SSLPPRAP