ID   NANT_CITK8              Reviewed;         496 AA.
AC   A8AQB4;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 80.
DE   RecName: Full=Sialic acid transporter NanT {ECO:0000255|HAMAP-Rule:MF_01238};
DE   AltName: Full=Sialic acid permease {ECO:0000255|HAMAP-Rule:MF_01238};
DE   AltName: Full=Sialic acid/H(+) symporter {ECO:0000255|HAMAP-Rule:MF_01238};
GN   Name=nanT {ECO:0000255|HAMAP-Rule:MF_01238}; OrderedLocusNames=CKO_04628;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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}.
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DR   EMBL; CP000822; ABV15678.1; -; Genomic_DNA.
DR   RefSeq; WP_012135356.1; NC_009792.1.
DR   AlphaFoldDB; A8AQB4; -.
DR   SMR; A8AQB4; -.
DR   STRING; 290338.CKO_04628; -.
DR   EnsemblBacteria; ABV15678; ABV15678; CKO_04628.
DR   GeneID; 45138161; -.
DR   KEGG; cko:CKO_04628; -.
DR   HOGENOM; CLU_001265_46_8_6; -.
DR   OMA; HWLLLTY; -.
DR   OrthoDB; 1121832at2; -.
DR   Proteomes; UP000008148; 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; Reference proteome;
KW   Sugar transport; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..496
FT                   /note="Sialic acid transporter NanT"
FT                   /id="PRO_1000214038"
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        86..106
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;  53754 MW;  7AD4EA5EDEE04DC0 CRC64;
     MSTSTQNIPW YRHLNRAQWR AFSAAWLGYL LDGFDFVLIA LVLTEVQGEF GLTTVQAASL
     ISAAFISRWF GGLMLGAMGD RYGRRLAMVT SIILFSMGTL ACGFAPGYTT MFIARLVIGM
     GMAGEYGSSA TYVIESWPKH LRNKASGFLI SGFSVGAVVA AQVYSLVVPV WGWRALFFIG
     ILPIIFALWL RKNIPEAEDW KEKHEGKAPV RTMVDILYRG EHRVVNVLMT IAAATALWFC
     FAGDLQNAAI VAVLGLLCAV IFISFMVQSS GKRWPTGVML MIVVLFAFLY SWPIQALLPT
     YLKTELAYDP HTVAQVLFFS GFGAAVGCCV GGFLGDWLGT RKAYVCSLLA SQVLIIPVFA
     IGGANVWVLG LLLFFQQMLG QGISGILPKL IGGYFDTDQR AAGLGFTYNV GALGGALAPI
     LGALIAQRLD LGTALGSLSF SLTFVVILLI GLDMPSRVQR WLRPEALRMH DAIDGKPFSG
     AVPFGGDKSA FVKTKS