SSTT_ACIB5
ID SSTT_ACIB5 Reviewed; 400 AA.
AC B7I4Z5;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-FEB-2009, sequence version 1.
DT 25-MAY-2022, entry version 69.
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=AB57_1781;
OS Acinetobacter baumannii (strain AB0057).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC Acinetobacter; Acinetobacter calcoaceticus/baumannii complex.
OX NCBI_TaxID=480119;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AB0057;
RX PubMed=18931120; DOI=10.1128/jb.00834-08;
RA Adams M.D., Goglin K., Molyneaux N., Hujer K.M., Lavender H., Jamison J.J.,
RA MacDonald I.J., Martin K.M., Russo T., Campagnari A.A., Hujer A.M.,
RA Bonomo R.A., Gill S.R.;
RT "Comparative genome sequence analysis of multidrug-resistant Acinetobacter
RT baumannii.";
RL J. Bacteriol. 190:8053-8064(2008).
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; CP001182; ACJ41160.1; -; Genomic_DNA.
DR RefSeq; WP_000889009.1; NC_011586.2.
DR AlphaFoldDB; B7I4Z5; -.
DR SMR; B7I4Z5; -.
DR KEGG; abn:AB57_1781; -.
DR HOGENOM; CLU_044581_0_0_6; -.
DR OMA; PVNLQLC; -.
DR Proteomes; UP000007094; 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..400
FT /note="Serine/threonine transporter SstT"
FT /id="PRO_1000197544"
FT TRANSMEM 14..34
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 76..96
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 136..156
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 177..197
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 211..231
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 285..305
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 311..331
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 349..371
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
SQ SEQUENCE 400 AA; 41621 MW; 51B3461246AC3745 CRC64;
MLEFFSRLSL VTKIIIAIIL GIGVALLFPT VTPYLSLFGE LFIKALKSVA PILVFVLVLS
SIANFQVGHS ANLRPVLLLY VVGMLLAAFS AVIASLSFPS TLYLNTVSHN NLQAPGSLAD
ILKNLLLSFI ANPVQAISEA NFIGILAWAI GLGLAMRHSS DTTKQVMQDV SHAVSAIIHK
VIAFAPVGIF GLVAVTFADA GLATLESYAQ LLVVLLGTML FVALVINPIL VGLTIRGNPY
PLVFKCLKES GITAFFTRSS AANIPVNLDL AERLGVNPST ASVSIPLGAT VNMAGAAVTI
TVLTLATVHT LGIHVDLATM IILSVVATIS ACGASGVAGG SLLLIPVACS LFGISSEIAM
QVVAVGMIIS VLQDSTETAL NSSTDVLFTA AVDIRSRQNS
