ID   KPST5_ECOLX             Reviewed;         224 AA.
AC   P24586;
DT   01-MAR-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-1992, sequence version 1.
DT   03-AUG-2022, entry version 95.
DE   RecName: Full=Polysialic acid transport ATP-binding protein KpsT;
GN   Name=kpsT;
OS   Escherichia coli.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=562;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=K5;
RX   PubMed=2082146; DOI=10.1111/j.1365-2958.1990.tb02035.x;
RA   Smith A.N., Boulnois G.J., Roberts I.S.;
RT   "Molecular analysis of the Escherichia coli K5 kps locus: identification
RT   and characterization of an inner-membrane capsular polysaccharide transport
RT   system.";
RL   Mol. Microbiol. 4:1863-1869(1990).
CC   -!- FUNCTION: Putative ATP-binding protein, and an energy coupling
CC       component for the transport of polysialic acid across the cytoplasmic
CC       membrane.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane; Peripheral membrane protein.
CC   -!- SIMILARITY: Belongs to the ABC transporter superfamily. {ECO:0000305}.
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DR   EMBL; X53819; CAA37816.1; -; Genomic_DNA.
DR   PIR; S12237; S12237.
DR   RefSeq; WP_001521310.1; NZ_UGDF01000003.1.
DR   AlphaFoldDB; P24586; -.
DR   SMR; P24586; -.
DR   TCDB; 3.A.1.101.1; 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   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; Transport.
FT   CHAIN           1..224
FT                   /note="Polysialic acid transport ATP-binding protein KpsT"
FT                   /id="PRO_0000092395"
FT   DOMAIN          2..223
FT                   /note="ABC transporter"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00434"
FT   BINDING         38..45
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00434"
SQ   SEQUENCE   224 AA;  25481 MW;  F34797D9025778F3 CRC64;
     MIKIENLTKS YRTPTGRHYV FKDLNIEIPS GKSVAFIGRN GAGKSTLLRM IGGIDRPDSG
     KIITNKTISW PVGLAGGFQG SLTGRENVKF VARLYAKQEE LKEKIEFVEE FAELGKYFDM
     PIKTYSSGMR SRLGFGLSMA FKFDYYIVDE VTAVGDARFK EKCAQLFKER HKESSFLMVS
     HSLNSLKEFC DVAIVFKNSY IIGYYENVQS GIDEYKMYQD LDIE