ID   NANT1_ECOL6             Reviewed;         496 AA.
AC   Q8FD59;
DT   30-MAY-2003, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2003, sequence version 2.
DT   25-MAY-2022, entry version 101.
DE   RecName: Full=Sialic acid transporter NanT 1 {ECO:0000255|HAMAP-Rule:MF_01238};
DE   AltName: Full=Sialic acid permease 1 {ECO:0000255|HAMAP-Rule:MF_01238};
DE   AltName: Full=Sialic acid/H(+) symporter 1 {ECO:0000255|HAMAP-Rule:MF_01238};
GN   Name=nanT1 {ECO:0000255|HAMAP-Rule:MF_01238}; Synonyms=nanT;
GN   OrderedLocusNames=c3978;
OS   Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=199310;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CFT073 / ATCC 700928 / UPEC;
RX   PubMed=12471157; DOI=10.1073/pnas.252529799;
RA   Welch R.A., Burland V., Plunkett G. III, Redford P., Roesch P., Rasko D.,
RA   Buckles E.L., Liou S.-R., Boutin A., Hackett J., Stroud D., Mayhew G.F.,
RA   Rose D.J., Zhou S., Schwartz D.C., Perna N.T., Mobley H.L.T.,
RA   Donnenberg M.S., Blattner F.R.;
RT   "Extensive mosaic structure revealed by the complete genome sequence of
RT   uropathogenic Escherichia coli.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:17020-17024(2002).
CC   -!- FUNCTION: Catalyzes the proton-dependent transport of sialic acid.
CC       {ECO:0000255|HAMAP-Rule:MF_01238}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H(+)(in) + N-acetylneuraminate(in) = H(+)(out) + N-
CC         acetylneuraminate(out); Xref=Rhea:RHEA:28987, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:35418; Evidence={ECO:0000255|HAMAP-Rule:MF_01238};
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01238}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01238}.
CC   -!- SIMILARITY: Belongs to the major facilitator superfamily. Sialate:H(+)
CC       symporter (SHS) (TC 2.A.1.12) family. {ECO:0000255|HAMAP-
CC       Rule:MF_01238}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAN82418.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE014075; AAN82418.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_000108478.1; NC_004431.1.
DR   AlphaFoldDB; Q8FD59; -.
DR   STRING; 199310.c3978; -.
DR   EnsemblBacteria; AAN82418; AAN82418; c3978.
DR   KEGG; ecc:c3978; -.
DR   eggNOG; COG2814; Bacteria.
DR   HOGENOM; CLU_001265_46_8_6; -.
DR   OMA; HWLLLTY; -.
DR   Proteomes; UP000001410; Chromosome.
DR   GO; GO:0005887; C:integral component of plasma membrane; IEA:UniProtKB-UniRule.
DR   GO; GO:0015538; F:sialic acid:proton symporter activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008643; P:carbohydrate transport; IEA:UniProtKB-KW.
DR   Gene3D; 1.20.1250.20; -; 2.
DR   HAMAP; MF_01238; MFS_NanT; 1.
DR   InterPro; IPR011701; MFS.
DR   InterPro; IPR020846; MFS_dom.
DR   InterPro; IPR036259; MFS_trans_sf.
DR   InterPro; IPR004742; SA_transporter.
DR   Pfam; PF07690; MFS_1; 1.
DR   SUPFAM; SSF103473; SSF103473; 1.
DR   TIGRFAMs; TIGR00891; 2A0112; 1.
DR   PROSITE; PS50850; MFS; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Membrane; Sugar transport;
KW   Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..496
FT                   /note="Sialic acid transporter NanT 1"
FT                   /id="PRO_0000050313"
FT   TRANSMEM        22..42
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        58..78
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        92..112
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        116..136
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        148..168
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        170..190
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        224..244
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        247..267
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        278..298
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        313..333
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        353..375
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        406..426
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
FT   TRANSMEM        431..451
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01238"
SQ   SEQUENCE   496 AA;  53584 MW;  F412B82BC5AC3EC1 CRC64;
     MSTTTQNIPW YRHLNRAQWR AFSAAWLGYL LDGFDFVLIA LVLTEVQGEF GLTTVQAASL
     ISAAFISRWF GGLMLGAMGD RYGRRLAMVT SIVLFSAGTL ACGFAPGYIT MFIARLVIGM
     GMAGEYGSSA TYVIESWPKH LRNKASGFLI SGFSVGAVVA AQVYSLVVPV WGWRALFFIG
     ILPIIFALWL RKNIPEAEDW KEKHGGKAPV RTMVDILYRG EHRIANIVMT LAAATALWFC
     FAGNLQNAAI VAVLGLLCAA IFISFMVQST GKRWPTGVML MVVVLFAFLY SWPIQALLPT
     YLKTDLAYDP HTVANVLFFS GFGAAVGCCV GGFLGEWLGT RKAYVCSLLA SQLLIIPVFA
     IGGANVWVLG LLLFFQQMLG QGISGILPKL IGGYFDTDQR AAGLGFTYNV GALGGALAPI
     LGALIAQRLD LGTALGSLSF SLTFVVILLI GLDMPSRVQR WLRPEALRTH DAIDGKPFSG
     AVPFGSAKND LVKTKS