ID   BEXB3_HAEIF             Reviewed;         265 AA.
AC   P22235;
DT   01-AUG-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1991, sequence version 1.
DT   25-MAY-2022, entry version 82.
DE   RecName: Full=Capsule polysaccharide export inner-membrane protein BexB;
GN   Name=bexB;
OS   Haemophilus influenzae.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=727;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Eagan / Serotype B;
RX   PubMed=2082145; DOI=10.1111/j.1365-2958.1990.tb02034.x;
RA   Kroll J.S., Loynds B., Brophy L.N., Moxon E.R.;
RT   "The bex locus in encapsulated Haemophilus influenzae: a chromosomal region
RT   involved in capsule polysaccharide export.";
RL   Mol. Microbiol. 4:1853-1862(1990).
CC   -!- FUNCTION: May form an ATP-driven capsule polysaccharide export
CC       apparatus, in association with the BexA, BexC and BexD proteins.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000305}; Multi-pass
CC       membrane protein {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the ABC-2 integral membrane protein family.
CC       {ECO:0000305}.
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DR   EMBL; X54987; CAA38733.1; -; Genomic_DNA.
DR   PIR; S12234; BWHIXB.
DR   AlphaFoldDB; P22235; -.
DR   SMR; P22235; -.
DR   GO; GO:0043190; C:ATP-binding cassette (ABC) transporter complex; IEA:InterPro.
DR   GO; GO:0015774; P:polysaccharide transport; IEA:UniProtKB-KW.
DR   GO; GO:0055085; P:transmembrane transport; IEA:InterPro.
DR   InterPro; IPR013525; ABC_2_trans.
DR   InterPro; IPR000412; ABC_2_transport.
DR   Pfam; PF01061; ABC2_membrane; 1.
DR   PRINTS; PR00164; ABC2TRNSPORT.
DR   PROSITE; PS51012; ABC_TM2; 1.
PE   3: Inferred from homology;
KW   Capsule biogenesis/degradation; Cell inner membrane; Cell membrane;
KW   Membrane; Polysaccharide transport; Sugar transport; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..265
FT                   /note="Capsule polysaccharide export inner-membrane protein
FT                   BexB"
FT                   /id="PRO_0000182978"
FT   TRANSMEM        37..57
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        64..84
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        118..138
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        151..171
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        178..198
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        235..255
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   DOMAIN          37..258
FT                   /note="ABC transmembrane type-2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00442"
SQ   SEQUENCE   265 AA;  30195 MW;  E3A4F181C4B3203E CRC64;
     MQYGDKTTFK QSLAIQGRVI NALLMREIIT RYGRQNIGFF WLFVEPLLMT FFIVMMWKFI
     RADKFSTLNM IAFVMTGYPM AMMWRNASNR AIGSISANLS LLYHRNVRVL DTIFTRVLLE
     VAGASIAQIL FMAILVMIDW IDAPHDVFYM LIAWFLMAMF AFALGLIICA IAQQFDVFGK
     IWGTLSFVLL PISGAFFFVH NLPAQAQSIA LWFPMIHGTE MFRHGYFGDT VVTYESIGFL
     VVSDLALLLL GLVMVKNFSK GVEPQ