SSTT_ECOL6
ID SSTT_ECOL6 Reviewed; 414 AA.
AC Q8FDE0;
DT 13-NOV-2007, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2003, sequence version 1.
DT 03-AUG-2022, entry version 98.
DE RecName: Full=Serine/threonine transporter SstT {ECO:0000255|HAMAP-Rule:MF_01582};
DE AltName: Full=Na(+)/serine-threonine symporter {ECO:0000255|HAMAP-Rule:MF_01582};
GN Name=sstT {ECO:0000255|HAMAP-Rule:MF_01582}; OrderedLocusNames=c3847;
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: Involved in the import of serine and threonine into the cell,
CC with the concomitant import of sodium (symport system).
CC {ECO:0000255|HAMAP-Rule:MF_01582}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-serine(in) + Na(+)(in) = L-serine(out) + Na(+)(out);
CC Xref=Rhea:RHEA:29575, ChEBI:CHEBI:29101, ChEBI:CHEBI:33384;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01582};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:29577;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01582};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-threonine(in) + Na(+)(in) = L-threonine(out) + Na(+)(out);
CC Xref=Rhea:RHEA:69999, ChEBI:CHEBI:29101, ChEBI:CHEBI:57926;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01582};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:70001;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01582};
CC -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC Rule:MF_01582}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_01582}.
CC -!- SIMILARITY: Belongs to the dicarboxylate/amino acid:cation symporter
CC (DAACS) (TC 2.A.23) family. {ECO:0000255|HAMAP-Rule:MF_01582}.
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DR EMBL; AE014075; AAN82292.1; -; Genomic_DNA.
DR RefSeq; WP_000211383.1; NC_004431.1.
DR AlphaFoldDB; Q8FDE0; -.
DR SMR; Q8FDE0; -.
DR STRING; 199310.c3847; -.
DR EnsemblBacteria; AAN82292; AAN82292; c3847.
DR KEGG; ecc:c3847; -.
DR eggNOG; COG3633; Bacteria.
DR HOGENOM; CLU_044581_0_0_6; -.
DR OMA; PVNLQLC; -.
DR BioCyc; ECOL199310:C3847-MON; -.
DR Proteomes; UP000001410; Chromosome.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0015171; F:amino acid transmembrane transporter activity; IEA:UniProtKB-UniRule.
DR GO; GO:0015293; F:symporter activity; IEA:UniProtKB-UniRule.
DR GO; GO:0032329; P:serine transport; IEA:InterPro.
DR GO; GO:0015826; P:threonine transport; IEA:InterPro.
DR Gene3D; 1.10.3860.10; -; 1.
DR HAMAP; MF_01582; Ser_Thr_transp_SstT; 1.
DR InterPro; IPR001991; Na-dicarboxylate_symporter.
DR InterPro; IPR036458; Na:dicarbo_symporter_sf.
DR InterPro; IPR023025; Ser_Thr_transp_SstT.
DR PANTHER; PTHR42865; PTHR42865; 1.
DR Pfam; PF00375; SDF; 1.
DR SUPFAM; SSF118215; SSF118215; 1.
DR PROSITE; PS00713; NA_DICARBOXYL_SYMP_1; 1.
PE 3: Inferred from homology;
KW Amino-acid transport; Cell inner membrane; Cell membrane; Membrane;
KW Symport; Transmembrane; Transmembrane helix; Transport.
FT INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT CHAIN 2..414
FT /note="Serine/threonine transporter SstT"
FT /id="PRO_0000309088"
FT TOPO_DOM 2..15
FT /note="Cytoplasmic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 16..36
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TOPO_DOM 37..45
FT /note="Periplasmic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 46..66
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TOPO_DOM 67..83
FT /note="Cytoplasmic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 84..104
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TOPO_DOM 105..142
FT /note="Periplasmic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 143..163
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TOPO_DOM 164..179
FT /note="Cytoplasmic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 180..200
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TOPO_DOM 201..217
FT /note="Periplasmic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 218..238
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TOPO_DOM 239..299
FT /note="Cytoplasmic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 300..320
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TOPO_DOM 321..331
FT /note="Periplasmic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 332..352
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TOPO_DOM 353..414
FT /note="Cytoplasmic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
SQ SEQUENCE 414 AA; 43498 MW; 2A3814E776E2377E CRC64;
MTTQHSPGLF RRLAHGSLVK QILAGLILGI LLAWISKPAA EAVGLLGTLF VGALKAVAPI
LVLMLVMASI ANHQHGQKTN IRPILFLYLL GTFSAALAAV IFSFAFPSTL HLSSSADDIS
PPSGIVEVMR GLVMSMVSNP IDALLKGNYI GILVWAIGLG FALRHGNETT KNLVNDMSNA
VTFMVKLVIH FAPIGIFGLV SSTLATTGFS TLWGYAQLLV VLVGCMLLVA LVVNPLLVWW
KIRRNPFPLV LLCLRESGVY AFFTRSSAAN IPVNMALCEK LNLDRDTYSV SIPLGATINM
AGAAITITVL TLAAVNTLGI PVDLPTALLL SVVASLCACG ASGVAGGSLL LIPLACNMFG
ISNDIAMQVV AVGFIIGVLQ DSCETALNSS TDVLFTAAAC QAEDDRLANS ALRN