ID SSTT_COLP3 Reviewed; 408 AA.
AC Q485F0;
DT 13-NOV-2007, integrated into UniProtKB/Swiss-Prot.
DT 13-SEP-2005, sequence version 1.
DT 27-MAR-2024, entry version 100.
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=CPS_1573;
OS Colwellia psychrerythraea (strain 34H / ATCC BAA-681) (Vibrio
OS psychroerythus).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Colwelliaceae; Colwellia.
OX NCBI_TaxID=167879;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=34H / ATCC BAA-681;
RX PubMed=16043709; DOI=10.1073/pnas.0504766102;
RA Methe B.A., Nelson K.E., Deming J.W., Momen B., Melamud E., Zhang X.,
RA Moult J., Madupu R., Nelson W.C., Dodson R.J., Brinkac L.M.,
RA Daugherty S.C., Durkin A.S., DeBoy R.T., Kolonay J.F., Sullivan S.A.,
RA Zhou L., Davidsen T.M., Wu M., Huston A.L., Lewis M., Weaver B.,
RA Weidman J.F., Khouri H., Utterback T.R., Feldblyum T.V., Fraser C.M.;
RT "The psychrophilic lifestyle as revealed by the genome sequence of
RT Colwellia psychrerythraea 34H through genomic and proteomic analyses.";
RL Proc. Natl. Acad. Sci. U.S.A. 102:10913-10918(2005).
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; CP000083; AAZ24429.1; -; Genomic_DNA.
DR RefSeq; WP_011042409.1; NC_003910.7.
DR AlphaFoldDB; Q485F0; -.
DR SMR; Q485F0; -.
DR KEGG; cps:CPS_1573; -.
DR eggNOG; COG3633; Bacteria.
DR HOGENOM; CLU_044581_0_0_6; -.
DR Proteomes; UP000000547; Chromosome.
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; Sodium:dicarboxylate symporter; 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; PROTON/GLUTAMATE-ASPARTATE SYMPORTER; 1.
DR PANTHER; PTHR42865:SF8; SERINE_THREONINE TRANSPORTER SSTT; 1.
DR Pfam; PF00375; SDF; 1.
DR PRINTS; PR00173; EDTRNSPORT.
DR SUPFAM; SSF118215; Proton glutamate symport protein; 1.
PE 3: Inferred from homology;
KW Amino-acid transport; Cell inner membrane; Cell membrane; Membrane;
KW Symport; Transmembrane; Transmembrane helix; Transport.
FT CHAIN 1..408
FT /note="Serine/threonine transporter SstT"
FT /id="PRO_0000309081"
FT TRANSMEM 19..39
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 48..68
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 86..106
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 143..163
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 193..213
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 223..243
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 294..314
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 322..342
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 367..387
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
SQ SEQUENCE 408 AA; 42174 MW; B055D342D6B4EB5B CRC64;
MTSEKPQNES FIQKIKSTSL VSQIIVAIIL ASLLAVISPE SAKAFGMLGS LFVNALKAVA
PILVLVLVTS AIANQKMDSS AELKPIVGLY FLGTLSAALV AVLLSFAFPT ELTLDLAGAT
ANPPQKLTEV LATLAFKVVE NPVTAVASGN FIAVLAWGLG LGFSLKHASE SSKGMVHDLS
EAISSVVRIV IRFAPLGIFG LVANTIATTG FSALGEYSHL VAVLLSAMLI IALLVNPLIV
FIITKKNPYP LVFTCLKESG ITAFFTRSSA ANIPVNMALC KKLDLHEDTY SVSIPLGATI
NMAGAAITIT VLTLAAAYSL NIEVSFATAI LLSVVASISA CGASGVAGGS LLLIPLACSL
FGINNDVAMQ VVAIGFIIGV IQDSAETALN SSTDVVFSAA ASHHITKE
//
