ID   RFBB_MYXXA              Reviewed;         437 AA.
AC   Q50863;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=O-antigen export system ATP-binding protein RfbB;
GN   Name=rfbB;
OS   Myxococcus xanthus.
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Myxococcales;
OC   Cystobacterineae; Myxococcaceae; Myxococcus.
OX   NCBI_TaxID=34;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=DK6640;
RX   PubMed=8626291; DOI=10.1128/jb.178.6.1631-1639.1996;
RA   Guo D., Bowden M.G., Pershad R., Kaplan H.B.;
RT   "The Myxococcus xanthus rfbABC operon encodes an ATP-binding cassette
RT   transporter homolog required for O-antigen biosynthesis and multicellular
RT   development.";
RL   J. Bacteriol. 178:1631-1639(1996).
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; U36795; AAB05018.1; -; Genomic_DNA.
DR   PIR; T18555; T18555.
DR   AlphaFoldDB; Q50863; -.
DR   SMR; Q50863; -.
DR   TCDB; 3.A.1.103.3; 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   CDD; cd10147; Wzt_C-like; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   InterPro; IPR003593; AAA+_ATPase.
DR   InterPro; IPR003439; ABC_transporter-like_ATP-bd.
DR   InterPro; IPR015860; ABC_transpr_TagH-like.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR029439; Wzt_C.
DR   Pfam; PF00005; ABC_tran; 1.
DR   Pfam; PF14524; Wzt_C; 1.
DR   SMART; SM00382; AAA; 1.
DR   SUPFAM; SSF52540; SSF52540; 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..437
FT                   /note="O-antigen export system ATP-binding protein RfbB"
FT                   /id="PRO_0000092960"
FT   DOMAIN          37..256
FT                   /note="ABC transporter"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00434"
FT   BINDING         69..76
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00434"
SQ   SEQUENCE   437 AA;  47676 MW;  FE4D44319ACF9109 CRC64;
     MPESMDAIIL KDVVKSFRKR TIRGEYTTFK SELLRWLRGK RQSRDASLIT ALRGINLTIP
     KGKTVGIIGR NGSGKSTLLK LITGIYTPTS GDLQINGRIS ALLDLGAGFH PDFSGRENIL
     INGIILGMTR AEVRARMDEI IAFSELGEFI DEPVRTYSSG MYMRLAFAVA THVDPDILII
     DEILAVGDEH FSKKSLAKMM DFKRQGKTIV LVTHELGTVE RWCDLAAWID GGYVRRVGKP
     SEVTAEYREA ISLAEAQSAA FTPPALTEGG GALPQVPSES LPAEGPVRIH RVQLLDARGE
     SLEVLSPEEG LEVRADFSVE GPCEDVDFHV RLQAADGRTL YETSTRSEAV VLSRMPNPGV
     LRFVVERLGA LGGDYSLVVS ARASKGESSG RCAFRVVSAT EEEGVFRPPH RWLVEPGANS
     QAGVRFEPGT SPRVEVG