ID G0LG07_HALWC Unreviewed; 421 AA.
AC G0LG07;
DT 19-OCT-2011, integrated into UniProtKB/TrEMBL.
DT 19-OCT-2011, sequence version 1.
DT 27-MAR-2024, entry version 67.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679, ECO:0000256|PIRNR:PIRNR038945};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028, ECO:0000256|PIRNR:PIRNR038945};
GN Name=thrC1 {ECO:0000313|EMBL:CCC39027.1};
GN OrderedLocusNames=Hqrw_1047 {ECO:0000313|EMBL:CCC39027.1};
OS Haloquadratum walsbyi (strain DSM 16854 / JCM 12705 / C23).
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Haloferacales;
OC Haloferacaceae; Haloquadratum.
OX NCBI_TaxID=768065 {ECO:0000313|EMBL:CCC39027.1, ECO:0000313|Proteomes:UP000007954};
RN [1] {ECO:0000313|EMBL:CCC39027.1, ECO:0000313|Proteomes:UP000007954}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 16854 / JCM 12705 / C23
RC {ECO:0000313|Proteomes:UP000007954};
RX PubMed=21701686; DOI=10.1371/journal.pone.0020968;
RA Dyall-Smith M., Pfeiffer F., Klee K., Palm P., Gross K., Schuster S.C.,
RA Rampp M., Oesterhelt D.;
RT "Haloquadratum walsbyi: limited diversity in a global pond.";
RL PLoS ONE 6:E20968-E20968(2011).
CC -!- FUNCTION: Catalyzes the gamma-elimination of phosphate from L-
CC phosphohomoserine and the beta-addition of water to produce L-
CC threonine. {ECO:0000256|PIRNR:PIRNR038945}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + O-phospho-L-homoserine = L-threonine + phosphate;
CC Xref=Rhea:RHEA:10840, ChEBI:CHEBI:15377, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:57590, ChEBI:CHEBI:57926; EC=4.2.3.1;
CC Evidence={ECO:0000256|ARBA:ARBA00000051,
CC ECO:0000256|PIRNR:PIRNR038945};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|PIRNR:PIRNR038945, ECO:0000256|PIRSR:PIRSR038945-1};
CC -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC from L-aspartate: step 5/5. {ECO:0000256|ARBA:ARBA00004979,
CC ECO:0000256|PIRNR:PIRNR038945}.
CC -!- SIMILARITY: Belongs to the threonine synthase family.
CC {ECO:0000256|ARBA:ARBA00005517, ECO:0000256|PIRNR:PIRNR038945}.
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DR EMBL; FR746099; CCC39027.1; -; Genomic_DNA.
DR RefSeq; WP_011570340.1; NC_017459.1.
DR AlphaFoldDB; G0LG07; -.
DR GeneID; 4194770; -.
DR KEGG; hwc:Hqrw_1047; -.
DR HOGENOM; CLU_028142_0_0_2; -.
DR OrthoDB; 6371at2157; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000007954; Chromosome.
DR GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR GO; GO:0004795; F:threonine synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0009088; P:threonine biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd01563; Thr-synth_1; 1.
DR Gene3D; 3.40.50.1100; -; 2.
DR InterPro; IPR000634; Ser/Thr_deHydtase_PyrdxlP-BS.
DR InterPro; IPR004450; Thr_synthase-like.
DR InterPro; IPR026260; Thr_Synthase_bac/arc.
DR InterPro; IPR001926; TrpB-like_PALP.
DR InterPro; IPR036052; TrpB-like_PALP_sf.
DR NCBIfam; TIGR00260; thrC; 1.
DR PANTHER; PTHR48078:SF6; ACT DOMAIN-CONTAINING PROTEIN; 1.
DR PANTHER; PTHR48078; THREONINE DEHYDRATASE, MITOCHONDRIAL-RELATED; 1.
DR Pfam; PF00291; PALP; 1.
DR PIRSF; PIRSF038945; Thr_synthase; 1.
DR SUPFAM; SSF53686; Tryptophan synthase beta subunit-like PLP-dependent enzymes; 1.
DR PROSITE; PS00165; DEHYDRATASE_SER_THR; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605,
KW ECO:0000256|PIRNR:PIRNR038945};
KW Lyase {ECO:0000256|PIRNR:PIRNR038945, ECO:0000313|EMBL:CCC39027.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRNR:PIRNR038945};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697,
KW ECO:0000256|PIRNR:PIRNR038945}.
FT DOMAIN 80..388
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT BINDING 144
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-1"
FT BINDING 248..252
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-1"
FT BINDING 387
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-1"
FT MOD_RES 118
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-2"
SQ SEQUENCE 421 AA; 44884 MW; D786363183648EB3 CRC64;
MSLELSAAAP AIPPEATDGV WLADIETGET YAPFEEIRYT SDEDNLLEVR YADLPTFEDF
QGQGRGVWRY HAALPFENGV SLPEGDTPLH RAPSIRDAAG VRSLRIKHEG MNPTGSFKDR
GMTVGVRVAK ELGVGRLACA STGNTSAALA AYGARGGMQT LVLLPAGKVA AGKIAQAALH
DARILEVDGN FDDCLDIVQD LARRGEVYLL NSLNPFRLEG QKTIGLEILE RFYEEYGRFP
DRIILPVGNA GNTSALYKAF RELVQSGALR PSEVPKLTGV QAAGAAPMVE AVEHGWSDIE
RWDDVETRAT AIRIGNPVNA PKALPGIRET GGTAIAVTDD EITVAQRDLA REGIGVEPAS
AASVAGLKKL RGRSRIDSDE DVVCLTTGHL LKDPDEAFKA GGNPEPVGGD TDAVLEHIGA
N
//
