ID Q2IYB4_RHOP2 Unreviewed; 313 AA.
AC Q2IYB4;
DT 07-MAR-2006, integrated into UniProtKB/TrEMBL.
DT 07-MAR-2006, sequence version 1.
DT 27-MAR-2024, entry version 95.
DE RecName: Full=Biopolymer transport protein ExbB {ECO:0000256|ARBA:ARBA00022093};
GN OrderedLocusNames=RPB_2090 {ECO:0000313|EMBL:ABD06796.1};
OS Rhodopseudomonas palustris (strain HaA2).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Nitrobacteraceae; Rhodopseudomonas.
OX NCBI_TaxID=316058 {ECO:0000313|EMBL:ABD06796.1, ECO:0000313|Proteomes:UP000008809};
RN [1] {ECO:0000313|EMBL:ABD06796.1, ECO:0000313|Proteomes:UP000008809}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HaA2 {ECO:0000313|EMBL:ABD06796.1,
RC ECO:0000313|Proteomes:UP000008809};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Chain P., Malfatti S., Shin M.,
RA Vergez L., Schmutz J., Larimer F., Land M., Hauser L., Pelletier D.A.,
RA Kyrpides N., Anderson I., Oda Y., Harwood C.S., Richardson P.;
RT "Complete sequence of Rhodopseudomonas palustris HaA2.";
RL Submitted (JAN-2006) to the EMBL/GenBank/DDBJ databases.
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 -!- 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}.
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DR EMBL; CP000250; ABD06796.1; -; Genomic_DNA.
DR RefSeq; WP_011440984.1; NC_007778.1.
DR AlphaFoldDB; Q2IYB4; -.
DR STRING; 316058.RPB_2090; -.
DR KEGG; rpb:RPB_2090; -.
DR eggNOG; COG0811; Bacteria.
DR HOGENOM; CLU_053325_0_2_5; -.
DR OrthoDB; 9805133at2; -.
DR Proteomes; UP000008809; Chromosome.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0022857; F:transmembrane transporter activity; IEA:InterPro.
DR GO; GO:0015031; P:protein transport; IEA:UniProtKB-KW.
DR InterPro; IPR002898; MotA_ExbB_proton_chnl.
DR InterPro; IPR014164; TonB_ExbB_1.
DR NCBIfam; TIGR02797; exbB; 1.
DR PANTHER; PTHR30625:SF16; BIOPOLYMER TRANSPORT PROTEIN EXBB; 1.
DR PANTHER; PTHR30625; PROTEIN TOLQ; 1.
DR Pfam; PF01618; MotA_ExbB; 1.
PE 3: Inferred from homology;
KW Cell inner membrane {ECO:0000256|ARBA:ARBA00022519};
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}; Signal {ECO:0000256|SAM:SignalP};
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 SIGNAL 1..27
FT /evidence="ECO:0000256|SAM:SignalP"
FT CHAIN 28..313
FT /note="Biopolymer transport protein ExbB"
FT /evidence="ECO:0000256|SAM:SignalP"
FT /id="PRO_5004210075"
FT TRANSMEM 98..120
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 205..228
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 248..270
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 158..281
FT /note="MotA/TolQ/ExbB proton channel"
FT /evidence="ECO:0000259|Pfam:PF01618"
FT REGION 30..77
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 55..77
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 313 AA; 32602 MW; BD942C6120A15C3E CRC64;
MKLSKIRSIT VALVAAIMLA PMASVFAQPA PAQPSPAMST PSAAQPAAAP ERTTAPETTG
ATQAATQALP ASGTTPNGSV APGLTELSPW SMFLQADIVV KAVMVGLALA SMITWTILIA
KKIELGRARW RLRSALKQIA DARSMSEAQL ALGDKTSPVS MLLAAALREA RVSAGLASDE
GIKERAASSF SEIVRAESRH MRHGMGFLAT IGATAPFIGL FGTVWGIMNS FIGISKSQTT
NLAVVAPGIA EALLATAIGL VAAIPAVIIY NHFSREIKVY LEMVARASGA ALRLLSRDLD
RSHGTGRHAR AAE
//
