ID D2S0A7_HALTV Unreviewed; 419 AA.
AC D2S0A7;
DT 02-MAR-2010, integrated into UniProtKB/TrEMBL.
DT 02-MAR-2010, sequence version 1.
DT 24-JAN-2024, entry version 61.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679, ECO:0000256|PIRNR:PIRNR038945};
DE EC=4.2.3.1 {ECO:0000256|PIRNR:PIRNR038945};
GN OrderedLocusNames=Htur_3949 {ECO:0000313|EMBL:ADB62804.1};
OS Haloterrigena turkmenica (strain ATCC 51198 / DSM 5511 / JCM 9101 / NCIMB
OS 13204 / VKM B-1734 / 4k) (Halococcus turkmenicus).
OG Plasmid pHTUR01 {ECO:0000313|EMBL:ADB62804.1,
OG ECO:0000313|Proteomes:UP000001903}.
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Natrialbales;
OC Natrialbaceae; Haloterrigena.
OX NCBI_TaxID=543526 {ECO:0000313|EMBL:ADB62804.1, ECO:0000313|Proteomes:UP000001903};
RN [1] {ECO:0000313|EMBL:ADB62804.1, ECO:0000313|Proteomes:UP000001903}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51198 / DSM 5511 / JCM 9101 / NCIMB 13204 / VKM B-1734 /
RC 4k {ECO:0000313|Proteomes:UP000001903};
RC PLASMID=pHTUR01 {ECO:0000313|EMBL:ADB62804.1,
RC ECO:0000313|Proteomes:UP000001903};
RX PubMed=21304683; DOI=10.4056/sigs.681272;
RA Saunders E., Tindall B.J., Fahnrich R., Lapidus A., Copeland A.,
RA Del Rio T.G., Lucas S., Chen F., Tice H., Cheng J.F., Han C., Detter J.C.,
RA Bruce D., Goodwin L., Chain P., Pitluck S., Pati A., Ivanova N.,
RA Mavromatis K., Chen A., Palaniappan K., Land M., Hauser L., Chang Y.J.,
RA Jeffries C.D., Brettin T., Rohde M., Goker M., Bristow J., Eisen J.A.,
RA Markowitz V., Hugenholtz P., Klenk H.P., Kyrpides N.C.;
RT "Complete genome sequence of Haloterrigena turkmenica type strain (4k).";
RL Stand. Genomic Sci. 2:107-116(2010).
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|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|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; CP001861; ADB62804.1; -; Genomic_DNA.
DR RefSeq; WP_012945048.1; NC_013744.1.
DR AlphaFoldDB; D2S0A7; -.
DR GeneID; 8744577; -.
DR KEGG; htu:Htur_3949; -.
DR HOGENOM; CLU_028142_4_1_2; -.
DR OrthoDB; 6371at2157; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000001903; Plasmid pHTUR01.
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; 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.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|PIRNR:PIRNR038945};
KW Lyase {ECO:0000256|PIRNR:PIRNR038945};
KW Plasmid {ECO:0000313|EMBL:ADB62804.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRNR:PIRNR038945};
KW Threonine biosynthesis {ECO:0000256|PIRNR:PIRNR038945}.
FT DOMAIN 77..379
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT BINDING 140
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-1"
FT BINDING 378
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-1"
FT MOD_RES 114
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR038945-2"
SQ SEQUENCE 419 AA; 44867 MW; 0AE79A1D12D48ECB CRC64;
MAMDHVTTLE CTICEREYDP DQIIYTCPEH EGVKGILEVK YDYDVIHDNF DADLDGNIRS
QWKYEAFLPV DDDAEVVTLN EGGTDLFDAP NLSEALGVET LVKDDGRNPT GCFKDRASSI
AVTKAKHAGR DIITCASTGN AAASLSGYAA RGGLDCRIFV PGAAPAGKLA QPLVYGADVL
AVNGSYDEAY DLSVEVTDEY GWYNRNAAIN PFQVEGKRTV GHELAEQSKV RGDVPDWVVF
SMGDGCTIAG AWKGFKEFYD LDYVDDYPKM LGVQAEGASA IHDAFQGHED IDDIAETIAD
SIAVGRPRNT IKACRAPEQS GGDTVLVSDE DILEAEKLLG STEGIYAEPA GATPVAGVRE
ALKRGIIERD ETVVVVSTGF GLKDTESAKK ATGDVNRIEP DISEVEALFG GAEAAAADD
//
