ID A0A1T5FST3_9GAMM Unreviewed; 425 AA.
AC A0A1T5FST3;
DT 10-MAY-2017, integrated into UniProtKB/TrEMBL.
DT 10-MAY-2017, sequence version 1.
DT 24-JAN-2024, entry version 20.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN ORFNames=SAMN05660880_03624 {ECO:0000313|EMBL:SKB99190.1};
OS Luteibacter sp. 22Crub2.1.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Xanthomonadales;
OC Rhodanobacteraceae; Luteibacter.
OX NCBI_TaxID=1283288 {ECO:0000313|EMBL:SKB99190.1, ECO:0000313|Proteomes:UP000191150};
RN [1] {ECO:0000313|EMBL:SKB99190.1, ECO:0000313|Proteomes:UP000191150}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=22Crub2.1 {ECO:0000313|EMBL:SKB99190.1,
RC ECO:0000313|Proteomes:UP000191150};
RA Peterson S.W.;
RL Submitted (FEB-2017) to the EMBL/GenBank/DDBJ databases.
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 -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|PIRSR:PIRSR604450-51};
CC -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC from L-aspartate: step 5/5. {ECO:0000256|ARBA:ARBA00004979}.
CC -!- SIMILARITY: Belongs to the threonine synthase family.
CC {ECO:0000256|ARBA:ARBA00005517}.
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DR EMBL; FUYT01000019; SKB99190.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1T5FST3; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000191150; Unassembled WGS sequence.
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 Gene3D; 3.40.50.1100; -; 2.
DR Gene3D; 3.90.1380.10; Threonine synthase, N-terminal domain; 1.
DR InterPro; IPR000634; Ser/Thr_deHydtase_PyrdxlP-BS.
DR InterPro; IPR029144; Thr_synth_N.
DR InterPro; IPR037158; Thr_synth_N_sf.
DR InterPro; IPR004450; Thr_synthase-like.
DR InterPro; IPR001926; TrpB-like_PALP.
DR InterPro; IPR036052; TrpB-like_PALP_sf.
DR NCBIfam; TIGR00260; thrC; 1.
DR PANTHER; PTHR43515; THREONINE SYNTHASE-LIKE 1; 1.
DR PANTHER; PTHR43515:SF1; THREONINE SYNTHASE-LIKE 1; 1.
DR Pfam; PF00291; PALP; 1.
DR Pfam; PF14821; Thr_synth_N; 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 Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697}.
FT DOMAIN 2..76
FT /note="Threonine synthase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14821"
FT DOMAIN 93..365
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 104
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604450-51"
SQ SEQUENCE 425 AA; 45361 MW; FEDC0A9BA6FCB988 CRC64;
MRYVSTRGGA APTRLSDAIA AGIAPDGGLY VPERMPTVSL PFRQGDLAGT ALRMLEPFFA
GDPLEDELPA ICAEAFAHPT PRRQLPVHGA HVLELFHGPT AAFKDFGARF LAACLSRLRR
DNDRPLTILV ATSGDTGAAV GAAFHHLPGV RVAILYPDNR VSPRQAHQLG SFGGNVRALR
VEGSFDDCQH LVKAALGDPA LQSDVPMSSA NSISLGRLLP QMAYFGHASL EADEAMHTIV
PTGNLGNAVA ALWARAIGLP IGDVMFACNA NDTLPEFFGG QPYRARDAVA TIANAMDVGA
PSNFERLCHL FGGEGAARRG GHAESVDDAE IRDVIRRHAS NDGEIFCPHT ATAVRVFERH
RHAGDRRAWT IAATAHPAKF DTVVEPLIGR TVAVPEALGA MLSRRAAAEP MAADGRMFAE
WLRGW
//
