ID I7BRY3_NATSJ Unreviewed; 419 AA.
AC I7BRY3;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 27-MAR-2024, entry version 60.
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 OrderedLocusNames=NJ7G_0255 {ECO:0000313|EMBL:AFO55510.1};
OS Natrinema sp. (strain J7-2).
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Natrialbales;
OC Natrialbaceae; Natrinema.
OX NCBI_TaxID=406552 {ECO:0000313|EMBL:AFO55510.1, ECO:0000313|Proteomes:UP000006507};
RN [1] {ECO:0000313|EMBL:AFO55510.1, ECO:0000313|Proteomes:UP000006507}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=J7-2 {ECO:0000313|EMBL:AFO55510.1,
RC ECO:0000313|Proteomes:UP000006507};
RX PubMed=22911826; DOI=10.1371/journal.pone.0041621;
RA Feng J., Liu B., Zhang Z., Ren Y., Li Y., Gan F., Huang Y., Chen X.,
RA Shen P., Wang L., Tang B., Tang X.F.;
RT "The complete genome sequence of Natrinema sp. J7-2, a haloarchaeon capable
RT of growth on synthetic media without amino acid supplements.";
RL PLoS ONE 7:E41621-E41621(2012).
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; CP003412; AFO55510.1; -; Genomic_DNA.
DR RefSeq; WP_014862721.1; NC_018224.1.
DR AlphaFoldDB; I7BRY3; -.
DR STRING; 406552.NJ7G_0255; -.
DR GeneID; 13352516; -.
DR KEGG; nat:NJ7G_0255; -.
DR PATRIC; fig|406552.5.peg.215; -.
DR eggNOG; arCOG01434; Archaea.
DR HOGENOM; CLU_028142_0_0_2; -.
DR OrthoDB; 6371at2157; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000006507; 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}; Lyase {ECO:0000256|PIRNR:PIRNR038945};
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..387
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT REGION 394..419
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 143
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-1"
FT BINDING 247..251
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-1"
FT BINDING 386
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-1"
FT MOD_RES 117
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-2"
SQ SEQUENCE 419 AA; 44077 MW; 597823940FD53971 CRC64;
MSLSLSAERP ERPDDADDGV WLECIECGET FAPFDDVRYT CDECDGLLEV RYADLPTFDD
FEGRGVWRYA DALPFESGVS IQEGATPLYE VPRLEDEIGI EALRIKHEGM NPTGSFKDRG
MTVGVRVATE LGVGRLACAS TGNTSAALAA YGSRGGMQTL VLLPAGKVAA GKIAQASLHG
ARILEVDGNF DACLDIVQEL AGQGEAYLLN SLNPFRLEGQ KTIGLEILEG FLADYDTVPD
RIVLPVGNAG NTSALYKAFR ELVQAGALDE ADVPKLTGVQ AEGAAPMVEA IENGADEVRR
WEDVETRATA IRIGNPVNAP KALPGIRETG GTAVAVSDAE ITAAQRDIAG EGIGVEPASA
ASVAGLRKLR AEGVVDDDER VACLTTGHLL KDPDAAAAAG SKPEPVPAET DGVLEQLAE
//
