SSTT_HAEIN
ID SSTT_HAEIN Reviewed; 414 AA.
AC P45246;
DT 01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1995, sequence version 1.
DT 03-AUG-2022, entry version 123.
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=HI_1545;
OS Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Haemophilus.
OX NCBI_TaxID=71421;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX PubMed=7542800; DOI=10.1126/science.7542800;
RA Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT Rd.";
RL Science 269:496-512(1995).
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; L42023; AAC23195.1; -; Genomic_DNA.
DR PIR; H64128; H64128.
DR RefSeq; NP_439694.1; NC_000907.1.
DR RefSeq; WP_010869240.1; NC_000907.1.
DR AlphaFoldDB; P45246; -.
DR SMR; P45246; -.
DR STRING; 71421.HI_1545; -.
DR EnsemblBacteria; AAC23195; AAC23195; HI_1545.
DR KEGG; hin:HI_1545; -.
DR PATRIC; fig|71421.8.peg.1616; -.
DR eggNOG; COG3633; Bacteria.
DR HOGENOM; CLU_044581_0_0_6; -.
DR OMA; PVNLQLC; -.
DR PhylomeDB; P45246; -.
DR BioCyc; HINF71421:G1GJ1-1565-MON; -.
DR Proteomes; UP000000579; Chromosome.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0016020; C:membrane; IBA:GO_Central.
DR GO; GO:0005886; C:plasma membrane; IBA:GO_Central.
DR GO; GO:0005295; F:neutral amino acid:sodium symporter activity; IBA:GO_Central.
DR GO; GO:0022857; F:transmembrane transporter activity; IBA:GO_Central.
DR GO; GO:0032329; P:serine transport; IBA:GO_Central.
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..414
FT /note="Serine/threonine transporter SstT"
FT /id="PRO_0000202120"
FT TRANSMEM 22..42
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 54..74
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 89..109
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 148..168
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 189..209
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 305..325
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
FT TRANSMEM 337..357
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01582"
SQ SEQUENCE 414 AA; 43341 MW; CD976418CD5BA0AE CRC64;
MNTSRLFSLL FQGGLVKRIA AGLVLGIVVA LISAPLQETI GFNLAEKVGV LGTIFVKALR
AVAPILIFFL VMAALANRKI GTKSNMKEII VLYLLGTFLA AFVAVIAGFA FPTEVVLAAK
EDSSSAPQAV GQVLLTLILN VVDDPLNAIF KANFIGVLAW SIGLGLALRH ASDATKNVLS
DFAEGVSKIV HVIISFAPFG VFGLVAETLS DKGLVALGGY VQLLAVLIGT MLFTAFVVNP
ILVYWKIRRN PYPLVWTCVR ESGVTAFFTR SSAANIPVNI ELAKRLNLDE ETYSVSIPLG
ANINMAGAAI TITILTLAAV HTLGLEVSFV SALLLSIVAA LCACGASGVA GGSLLLIPLA
CSLFGISDDV AAQMIGVGFI IGILQDSTET ALNSSTDVLF TAAVCMEEER KNAA