ID J3CT31_9BURK Unreviewed; 237 AA.
AC J3CT31;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 27-MAR-2024, entry version 37.
DE RecName: Full=Biopolymer transport protein ExbB {ECO:0000256|ARBA:ARBA00022093};
GN ORFNames=PMI12_01584 {ECO:0000313|EMBL:EJL77656.1};
OS Variovorax sp. CF313.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Variovorax.
OX NCBI_TaxID=1144315 {ECO:0000313|EMBL:EJL77656.1, ECO:0000313|Proteomes:UP000007277};
RN [1] {ECO:0000313|EMBL:EJL77656.1, ECO:0000313|Proteomes:UP000007277}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CF313 {ECO:0000313|EMBL:EJL77656.1,
RC ECO:0000313|Proteomes:UP000007277};
RX PubMed=23045501; DOI=10.1128/JB.01243-12;
RA Brown S.D., Utturkar S.M., Klingeman D.M., Johnson C.M., Martin S.L.,
RA Land M.L., Lu T.Y., Schadt C.W., Doktycz M.J., Pelletier D.A.;
RT "Twenty-one genome sequences from Pseudomonas species and 19 genome
RT sequences from diverse bacteria isolated from the rhizosphere and
RT endosphere of Populus deltoides.";
RL J. Bacteriol. 194:5991-5993(2012).
CC -!- FUNCTION: Involved in the TonB-dependent energy-dependent transport of
CC various receptor-bound substrates. Protects ExbD from proteolytic
CC degradation and functionally stabilizes TonB.
CC {ECO:0000256|ARBA:ARBA00024816}.
CC -!- SUBUNIT: The accessory proteins ExbB and ExbD seem to form a complex
CC with TonB. {ECO:0000256|ARBA:ARBA00011471}.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane
CC {ECO:0000256|ARBA:ARBA00004429}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004429}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141, ECO:0000256|RuleBase:RU004057}; Multi-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004141,
CC ECO:0000256|RuleBase:RU004057}.
CC -!- SIMILARITY: Belongs to the exbB/tolQ family.
CC {ECO:0000256|RuleBase:RU004057}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EJL77656.1}.
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DR EMBL; AKIW01000023; EJL77656.1; -; Genomic_DNA.
DR RefSeq; WP_007830742.1; NZ_AKIW01000023.1.
DR AlphaFoldDB; J3CT31; -.
DR PATRIC; fig|1144315.3.peg.1580; -.
DR Proteomes; UP000007277; Unassembled WGS sequence.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0015031; P:protein transport; IEA:UniProtKB-KW.
DR InterPro; IPR002898; MotA_ExbB_proton_chnl.
DR PANTHER; PTHR30625:SF14; BIOPOLYMER TRANSPORT PROTEIN EXBB; 1.
DR PANTHER; PTHR30625; PROTEIN TOLQ; 1.
DR Pfam; PF01618; MotA_ExbB; 1.
PE 3: Inferred from homology;
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Protein transport {ECO:0000256|ARBA:ARBA00022927,
KW ECO:0000256|RuleBase:RU004057};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU004057}.
FT TRANSMEM 20..41
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 127..150
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 174..195
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 100..202
FT /note="MotA/TolQ/ExbB proton channel"
FT /evidence="ECO:0000259|Pfam:PF01618"
SQ SEQUENCE 237 AA; 25440 MW; 38E93E77A3330916 CRC64;
MDSQFGLMNV WHQGDFVTKA VAVLLIGMSL ASWIVIIVKA LDVIKYKRLA KHSQDFWHSE
DFATALNKLG KDDSNPFRAL ALEGREAAAH HRNTKAHLHD ALDVSDWITR ALRNGIDAFT
ARLQTGLAVL ASVGSTAPFI GLFGTVWGIY HALMSISSVG QATIDKVAGP IGEALIMTAL
GLAVAIPAVL GYNALVRGNK FVLTKLNAFA HDLHAYFVTG ARVQSGSEAV VVPLKKG
//