ID   TOLB_SHIBS              Reviewed;         430 AA.
AC   Q324H2;
DT   31-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 89.
DE   RecName: Full=Tol-Pal system protein TolB {ECO:0000255|HAMAP-Rule:MF_00671};
DE   Flags: Precursor;
GN   Name=tolB {ECO:0000255|HAMAP-Rule:MF_00671}; OrderedLocusNames=SBO_0599;
OS   Shigella boydii serotype 4 (strain Sb227).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300268;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sb227;
RX   PubMed=16275786; DOI=10.1093/nar/gki954;
RA   Yang F., Yang J., Zhang X., Chen L., Jiang Y., Yan Y., Tang X., Wang J.,
RA   Xiong Z., Dong J., Xue Y., Zhu Y., Xu X., Sun L., Chen S., Nie H., Peng J.,
RA   Xu J., Wang Y., Yuan Z., Wen Y., Yao Z., Shen Y., Qiang B., Hou Y., Yu J.,
RA   Jin Q.;
RT   "Genome dynamics and diversity of Shigella species, the etiologic agents of
RT   bacillary dysentery.";
RL   Nucleic Acids Res. 33:6445-6458(2005).
CC   -!- FUNCTION: Part of the Tol-Pal system, which plays a role in outer
CC       membrane invagination during cell division and is important for
CC       maintaining outer membrane integrity. TolB occupies a key intermediary
CC       position in the Tol-Pal system because it communicates directly with
CC       both membrane-embedded components, Pal in the outer membrane and TolA
CC       in the inner membrane. {ECO:0000255|HAMAP-Rule:MF_00671}.
CC   -!- SUBUNIT: The Tol-Pal system is composed of five core proteins: the
CC       inner membrane proteins TolA, TolQ and TolR, the periplasmic protein
CC       TolB and the outer membrane protein Pal. They form a network linking
CC       the inner and outer membranes and the peptidoglycan layer.
CC       {ECO:0000255|HAMAP-Rule:MF_00671}.
CC   -!- SUBCELLULAR LOCATION: Periplasm {ECO:0000255|HAMAP-Rule:MF_00671}.
CC   -!- SIMILARITY: Belongs to the TolB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00671}.
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DR   EMBL; CP000036; ABB65286.1; -; Genomic_DNA.
DR   RefSeq; WP_011379123.1; NC_007613.1.
DR   AlphaFoldDB; Q324H2; -.
DR   SMR; Q324H2; -.
DR   EnsemblBacteria; ABB65286; ABB65286; SBO_0599.
DR   KEGG; sbo:SBO_0599; -.
DR   HOGENOM; CLU_047123_0_0_6; -.
DR   OMA; DIYGPGQ; -.
DR   Proteomes; UP000007067; Chromosome.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-SubCell.
DR   GO; GO:0007049; P:cell cycle; IEA:UniProtKB-KW.
DR   GO; GO:0051301; P:cell division; IEA:UniProtKB-UniRule.
DR   GO; GO:0017038; P:protein import; IEA:InterPro.
DR   Gene3D; 2.120.10.30; -; 1.
DR   HAMAP; MF_00671; TolB; 1.
DR   InterPro; IPR011042; 6-blade_b-propeller_TolB-like.
DR   InterPro; IPR011659; PD40.
DR   InterPro; IPR014167; Tol-Pal_TolB.
DR   InterPro; IPR007195; TolB_N.
DR   Pfam; PF07676; PD40; 4.
DR   Pfam; PF04052; TolB_N; 1.
DR   TIGRFAMs; TIGR02800; propeller_TolB; 1.
PE   3: Inferred from homology;
KW   Cell cycle; Cell division; Periplasm; Signal.
FT   SIGNAL          1..21
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00671"
FT   CHAIN           22..430
FT                   /note="Tol-Pal system protein TolB"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00671"
FT                   /id="PRO_0000259088"
SQ   SEQUENCE   430 AA;  45966 MW;  9C3C2C103AD43AA1 CRC64;
     MKQALRVAFG FLILWASVLH AEVRIVIDSG VDSGRPIGVV PFQWAGPGAA PEDIGGIVAA
     DLRNSGKFNP LDRARLPQQP GSAQEVQPSA WSALGIDAVV VGQVTPNPDG SYNVAYQLVD
     TGGAPGTVLA QNSYKVNKQW LRYAGHTASD EVFEKLTGIK GAFRTRIAYV VQTNGGQFPY
     ELRVSDYDGY NQFVVHRSPH PLMSPAWSPD GSKLAYVTFE SGRSALVIQT LANGAVRQVA
     SFPRHNGAPA FSPDGSKLAF ALSKTGSLNL YVMDLASGQI RQVTDGRSNN TEPTWFPDSQ
     NLAFTSDLAG RPQVYKVNIN GGAPQRITWE GSQNQDADVS SDGKFMVMVS SNGGQQHIAK
     QDLATGGVQV LSSTFLDETP SLAPNGTMVI YSSSQGMGSV LNLVSTDGRF KARLPATDGQ
     VKFPAWSPYL