ID   TOLB_RHIME              Reviewed;         436 AA.
AC   Q926C2;
DT   11-JUL-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2001, sequence version 1.
DT   25-MAY-2022, entry version 93.
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=R02739;
GN   ORFNames=SMc04461;
OS   Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium
OS   meliloti).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=266834;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11481430; DOI=10.1073/pnas.161294398;
RA   Capela D., Barloy-Hubler F., Gouzy J., Bothe G., Ampe F., Batut J.,
RA   Boistard P., Becker A., Boutry M., Cadieu E., Dreano S., Gloux S.,
RA   Godrie T., Goffeau A., Kahn D., Kiss E., Lelaure V., Masuy D., Pohl T.,
RA   Portetelle D., Puehler A., Purnelle B., Ramsperger U., Renard C.,
RA   Thebault P., Vandenbol M., Weidner S., Galibert F.;
RT   "Analysis of the chromosome sequence of the legume symbiont Sinorhizobium
RT   meliloti strain 1021.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:9877-9882(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11474104; DOI=10.1126/science.1060966;
RA   Galibert F., Finan T.M., Long S.R., Puehler A., Abola P., Ampe F.,
RA   Barloy-Hubler F., Barnett M.J., Becker A., Boistard P., Bothe G.,
RA   Boutry M., Bowser L., Buhrmester J., Cadieu E., Capela D., Chain P.,
RA   Cowie A., Davis R.W., Dreano S., Federspiel N.A., Fisher R.F., Gloux S.,
RA   Godrie T., Goffeau A., Golding B., Gouzy J., Gurjal M., Hernandez-Lucas I.,
RA   Hong A., Huizar L., Hyman R.W., Jones T., Kahn D., Kahn M.L., Kalman S.,
RA   Keating D.H., Kiss E., Komp C., Lelaure V., Masuy D., Palm C., Peck M.C.,
RA   Pohl T.M., Portetelle D., Purnelle B., Ramsperger U., Surzycki R.,
RA   Thebault P., Vandenbol M., Vorhoelter F.J., Weidner S., Wells D.H.,
RA   Wong K., Yeh K.-C., Batut J.;
RT   "The composite genome of the legume symbiont Sinorhizobium meliloti.";
RL   Science 293:668-672(2001).
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. {ECO:0000255|HAMAP-
CC       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; AL591688; CAC47318.1; -; Genomic_DNA.
DR   RefSeq; NP_386845.1; NC_003047.1.
DR   RefSeq; WP_010970163.1; NC_003047.1.
DR   AlphaFoldDB; Q926C2; -.
DR   SMR; Q926C2; -.
DR   STRING; 266834.SMc04461; -.
DR   EnsemblBacteria; CAC47318; CAC47318; SMc04461.
DR   GeneID; 61604201; -.
DR   KEGG; sme:SMc04461; -.
DR   PATRIC; fig|266834.11.peg.4247; -.
DR   eggNOG; COG0823; Bacteria.
DR   HOGENOM; CLU_047123_0_0_5; -.
DR   OMA; VREPSWG; -.
DR   Proteomes; UP000001976; 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; 3.
DR   Pfam; PF04052; TolB_N; 1.
DR   TIGRFAMs; TIGR02800; propeller_TolB; 1.
PE   3: Inferred from homology;
KW   Cell cycle; Cell division; Periplasm; Reference proteome; Signal.
FT   SIGNAL          1..28
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00671"
FT   CHAIN           29..436
FT                   /note="Tol-Pal system protein TolB"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00671"
FT                   /id="PRO_0000034678"
SQ   SEQUENCE   436 AA;  48236 MW;  F7D05DA6C1446C2D CRC64;
     MEMLRRNFFR LLMVLVAGCG LIASPANALV EININKGNVE PLPIAITDFL QGELAQKISG
     VIAADLKRSG LFAPIDKGAF IEKISNPDAT PRFEDWKVIN AQALVIGRVT QEGDGRLKAE
     FRLWDTFAGQ QMLGQQFYTQ PENWRRVAHI IADAIYERIT GEKGYFDTRI VYVAESGPKN
     ARKRQLAIMD QDGANSRALT NSNDIVLTPR FSPNRQEITY MSFENQQPRV YLLQLETGQR
     EVVGNFPGMT FAPRFSPDGQ RVIMSLQQEG NANIYTMDLR SRTTTRLTNT AAIDTSPSYS
     PDGSRIVFES DRGGKQQLYV MGADGSGQTR ISFGDGSYST PVWSPRGDLI AFTKQSGGKF
     SIGVMKPDGS GERILTTGFH NEGPTWAPNG RVLMFFRQNA GAGGPQLYSI DLTGYNEQLV
     QTQGFASDPA WSPLME