SSTT_MARN8
ID SSTT_MARN8 Reviewed; 408 AA.
AC A1U277;
DT 13-NOV-2007, integrated into UniProtKB/Swiss-Prot.
DT 06-FEB-2007, sequence version 1.
DT 25-MAY-2022, entry version 88.
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=Maqu_2015;
OS Marinobacter nauticus (strain ATCC 700491 / DSM 11845 / VT8) (Marinobacter
OS aquaeolei).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC Marinobacteraceae; Marinobacter.
OX NCBI_TaxID=351348;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700491 / DSM 11845 / VT8;
RX PubMed=21335390; DOI=10.1128/aem.01866-10;
RA Singer E., Webb E.A., Nelson W.C., Heidelberg J.F., Ivanova N., Pati A.,
RA Edwards K.J.;
RT "Genomic potential of Marinobacter aquaeolei, a biogeochemical
RT 'opportunitroph'.";
RL Appl. Environ. Microbiol. 77:2763-2771(2011).
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; CP000514; ABM19096.1; -; Genomic_DNA.
DR RefSeq; WP_011785489.1; NC_008740.1.
DR AlphaFoldDB; A1U277; -.
DR SMR; A1U277; -.
DR STRING; 351348.Maqu_2015; -.
DR EnsemblBacteria; ABM19096; ABM19096; Maqu_2015.
DR KEGG; maq:Maqu_2015; -.
DR eggNOG; COG3633; Bacteria.
DR HOGENOM; CLU_044581_0_0_6; -.
DR OMA; PVNLQLC; -.
DR OrthoDB; 781228at2; -.
DR Proteomes; UP000000998; 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 Symport; Transmembrane; Transmembrane helix; Transport.
FT CHAIN 1..408
FT /note="Serine/threonine transporter SstT"
FT /id="PRO_0000309098"
FT TRANSMEM 15..35
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 49..69
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 85..105
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 142..162
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 192..212
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 218..238
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 246..268
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 289..309
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 317..337
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 362..382
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
SQ SEQUENCE 408 AA; 42147 MW; 71FC7AD52CAC393C CRC64;
MSSRRLGVVR PLLQMGLIPQ ITIGIIAGVL LAVIWPDTAQ SVSLLGQLFI SALKAVAPIL
VFALVTAAIA NHQQGQPTHI RGVLLLYVIG TLVAAVVAVI ASFVFPTELT LELPEVSGNP
PGGVVEILRN LLLSAVTNPV SALMEGNFIA ILAWAVGLGL MLRQGRDATR QVVNDLSDAI
SGIVRAVIRF APLGIFGLVA NTLADAGIGA LLEYGRLLAV IVGCMLFVAL VTNPLIVFLH
TRQNPYPLVF ACLRGSAITA FFTRSSAANI PVNLNLCDRL GLDPDTYAIS IPLGATINMA
GAAITISVIT LAAANTLGIP VDFPTALLLC VVSSIAACGV SGVAGGSLLL IPLATSLFGI
STEVAMQVVA IGFVISVVQD STETALNSST DVLFTAAACR SAEVRESA
