ID   RFBB1_KLEPN             Reviewed;         246 AA.
AC   Q48476;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   03-AUG-2022, entry version 106.
DE   RecName: Full=O-antigen export system ATP-binding protein RfbB;
GN   Name=rfbB;
OS   Klebsiella pneumoniae.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella.
OX   NCBI_TaxID=573;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=O1:K20 / 889/50;
RX   PubMed=7533882; DOI=10.1111/j.1365-2958.1994.tb02185.x;
RA   Bronner D., Clarke B.R., Whitfield C.;
RT   "Identification of an ATP-binding cassette transport system required for
RT   translocation of lipopolysaccharide O-antigen side-chains across the
RT   cytoplasmic membrane of Klebsiella pneumoniae serotype O1.";
RL   Mol. Microbiol. 14:505-519(1994).
CC   -!- FUNCTION: May form an ATP-driven O-antigen export apparatus, in
CC       association with RfbA.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000305}; Peripheral
CC       membrane protein {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the ABC transporter superfamily. {ECO:0000305}.
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DR   EMBL; L31775; AAC98413.1; -; Genomic_DNA.
DR   PIR; S60883; S60883.
DR   RefSeq; WP_004175264.1; NZ_WYAM01000047.1.
DR   AlphaFoldDB; Q48476; -.
DR   SMR; Q48476; -.
DR   TCDB; 3.A.1.103.1; the atp-binding cassette (abc) superfamily.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0140359; F:ABC-type transporter activity; IEA:InterPro.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0015774; P:polysaccharide transport; IEA:UniProtKB-KW.
DR   CDD; cd03220; ABC_KpsT_Wzt; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   InterPro; IPR003593; AAA+_ATPase.
DR   InterPro; IPR003439; ABC_transporter-like_ATP-bd.
DR   InterPro; IPR017871; ABC_transporter-like_CS.
DR   InterPro; IPR015860; ABC_transpr_TagH-like.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   Pfam; PF00005; ABC_tran; 1.
DR   SMART; SM00382; AAA; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   PROSITE; PS00211; ABC_TRANSPORTER_1; 1.
DR   PROSITE; PS50893; ABC_TRANSPORTER_2; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cell inner membrane; Cell membrane; Membrane;
KW   Nucleotide-binding; Polysaccharide transport; Sugar transport; Transport.
FT   CHAIN           1..246
FT                   /note="O-antigen export system ATP-binding protein RfbB"
FT                   /id="PRO_0000092958"
FT   DOMAIN          22..246
FT                   /note="ABC transporter"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00434"
FT   BINDING         63..70
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00434"
SQ   SEQUENCE   246 AA;  27446 MW;  0A10981ED37680D6 CRC64;
     MHPVINFSHV TKEYPLYHHI GSGIKDLIFH PKRAFQLLKG RKYLAIEDVS FTVGKGEAVA
     LIGRNGAGKS TSLGLVAGVI KPTKGTVTTE GRVASMLELG GGFHPELTGR ENIYLNATLL
     GLRRKEVQQR MERIIEFSEL GEFIDEPIRV YSSGMLAKLG FSVISQVEPD ILIIDEVLAV
     GDIAFQAKCI QTIRDFKKRG VTILFVSHNM SDVEKICDRV IWIENHRLRE VGSAERIIEL
     YKQAMA