ID   YC04_KLEPN              Reviewed;         378 AA.
AC   Q48450;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   25-MAY-2022, entry version 85.
DE   RecName: Full=Putative capsule polysaccharide export protein;
DE   AltName: Full=ORF4;
DE   Flags: Precursor;
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=Chedid;
RX   PubMed=7896702; DOI=10.1128/jb.177.7.1788-1796.1995;
RA   Arakawa Y., Wacharotayankun R., Nagatsuka T., Ito H., Kato N., Ohta M.;
RT   "Genomic organization of the Klebsiella pneumoniae cps region responsible
RT   for serotype K2 capsular polysaccharide synthesis in the virulent strain
RT   Chedid.";
RL   J. Bacteriol. 177:1788-1796(1995).
CC   -!- FUNCTION: May be involved in polysaccharide transport.
CC   -!- SUBCELLULAR LOCATION: Cell outer membrane {ECO:0000250}; Multi-pass
CC       membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the BexD/CtrA/VexA family. {ECO:0000305}.
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DR   EMBL; D21242; BAA04775.1; -; Genomic_DNA.
DR   PIR; B56146; B56146.
DR   RefSeq; WP_004180522.1; NZ_WXZY01000015.1.
DR   AlphaFoldDB; Q48450; -.
DR   SMR; Q48450; -.
DR   GO; GO:0009279; C:cell outer membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0046930; C:pore complex; IEA:UniProtKB-KW.
DR   GO; GO:0015159; F:polysaccharide transmembrane transporter activity; IEA:InterPro.
DR   GO; GO:0015288; F:porin activity; IEA:UniProtKB-KW.
DR   GO; GO:0006811; P:ion transport; IEA:UniProtKB-KW.
DR   InterPro; IPR003715; Poly_export.
DR   InterPro; IPR019554; Soluble_ligand-bd.
DR   InterPro; IPR040716; Wza_C.
DR   Pfam; PF02563; Poly_export; 1.
DR   Pfam; PF10531; SLBB; 2.
DR   Pfam; PF18412; Wza_C; 1.
DR   PROSITE; PS51257; PROKAR_LIPOPROTEIN; 1.
PE   3: Inferred from homology;
KW   Capsule biogenesis/degradation; Cell outer membrane; Ion transport;
KW   Lipoprotein; Membrane; Palmitate; Polysaccharide transport; Porin; Signal;
KW   Sugar transport; Transmembrane; Transmembrane beta strand; Transport.
FT   SIGNAL          1..20
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00303"
FT   CHAIN           21..378
FT                   /note="Putative capsule polysaccharide export protein"
FT                   /id="PRO_0000025229"
FT   LIPID           21
FT                   /note="N-palmitoyl cysteine"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00303"
FT   LIPID           21
FT                   /note="S-diacylglycerol cysteine"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00303"
SQ   SEQUENCE   378 AA;  41498 MW;  8D498E9D1E0C7533 CRC64;
     MKKKIVRFSA LALAIGFLSG CTIVPGQGLN SLRKNVVELP DSDYDLDKLV NVYPMTPGLI
     DQLRPETILA RPNPQLDNLL RSYEYRIGVG DVLMVTVWDH PELTTPAGQY RSASDTGNWV
     NSDGTIFYPY IGKVQVAGKT LSQVRQDIAS RLTTYIESPQ VDVSVAAFRS QKAYVTGEVA
     KSGQQPITNI PLTVMDAINA AGGLAPDADW RNVVLTHNGK DTKVSLYALM QKGDLTQNHL
     LYPGDILFVP RNDDLKVFVM GEVGKQSTLK MDRSGMTIAE ALGNAEGMSQ AFSDATGVFV
     IRQLKGDKQG KIANIYQLNA QDASAMVLGT EFQLQPYDIV YVTTAPLVRW NRVISQLVPT
     ITGVHDMTET AKFIKDWP