SSTT_PSYA2
ID SSTT_PSYA2 Reviewed; 400 AA.
AC Q4FVP3;
DT 13-NOV-2007, integrated into UniProtKB/Swiss-Prot.
DT 30-AUG-2005, sequence version 1.
DT 25-MAY-2022, entry version 106.
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=Psyc_0041;
OS Psychrobacter arcticus (strain DSM 17307 / VKM B-2377 / 273-4).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC Psychrobacter.
OX NCBI_TaxID=259536;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17307 / VKM B-2377 / 273-4;
RX PubMed=20154119; DOI=10.1128/aem.02101-09;
RA Ayala-del-Rio H.L., Chain P.S., Grzymski J.J., Ponder M.A., Ivanova N.,
RA Bergholz P.W., Di Bartolo G., Hauser L., Land M., Bakermans C.,
RA Rodrigues D., Klappenbach J., Zarka D., Larimer F., Richardson P.,
RA Murray A., Thomashow M., Tiedje J.M.;
RT "The genome sequence of Psychrobacter arcticus 273-4, a psychroactive
RT Siberian permafrost bacterium, reveals mechanisms for adaptation to low-
RT temperature growth.";
RL Appl. Environ. Microbiol. 76:2304-2312(2010).
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; CP000082; AAZ17915.1; -; Genomic_DNA.
DR RefSeq; WP_011279354.1; NC_007204.1.
DR AlphaFoldDB; Q4FVP3; -.
DR SMR; Q4FVP3; -.
DR STRING; 259536.Psyc_0041; -.
DR EnsemblBacteria; AAZ17915; AAZ17915; Psyc_0041.
DR KEGG; par:Psyc_0041; -.
DR eggNOG; COG3633; Bacteria.
DR HOGENOM; CLU_044581_0_0_6; -.
DR OMA; PVNLQLC; -.
DR OrthoDB; 781228at2; -.
DR Proteomes; UP000000546; 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.
PE 3: Inferred from homology;
KW Amino-acid transport; Cell inner membrane; Cell membrane; Membrane;
KW Reference proteome; Symport; Transmembrane; Transmembrane helix; Transport.
FT CHAIN 1..400
FT /note="Serine/threonine transporter SstT"
FT /id="PRO_0000309113"
FT TRANSMEM 11..31
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 45..65
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 81..101
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 138..158
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 175..195
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 213..233
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 242..264
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 295..315
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 327..347
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 354..374
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
SQ SEQUENCE 400 AA; 41650 MW; 4BE6D92C8396DC9F CRC64;
MRSLIAMYQR IGLVPLIIIG LVLGVLIGWL APNIGIALGL LGTLFVGALK AVAPILVFVL
VMAAISQHRS GNEVYVKPVL IMYMFGTFLA ALTAVGASFL FPTELVLVNA VIEPVPPANL
KEVLTNLLMN LVANPVNAIA EANYIGILAW AIIIGFSLRQ ASDTARTVVG DFSDAISQVV
KWVIALAPFG ILGLVANTVA ETGFAALAGY ARILMVLVGC MLFIALVVNP LIILVKTGKN
PYPLVFICLR ESGITAFFTR SSAANIPINM NLARKLGLHE DTYSVTIPLG ATINMAGAAI
TINVLTLAAA HTLGIEVTFA SALLLSLVAT ISACGASGVA GGSLLLIPLA ASLFSIPNDI
AMQVVAIGFI IGVIQDSAET ALNSSTDVLF TAAADPKYAR
