ID A0A1W1Y7E8_9BURK Unreviewed; 486 AA.
AC A0A1W1Y7E8;
DT 07-JUN-2017, integrated into UniProtKB/TrEMBL.
DT 07-JUN-2017, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN ORFNames=SAMN06296008_10266 {ECO:0000313|EMBL:SMC32077.1};
OS Polynucleobacter kasalickyi.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Polynucleobacter.
OX NCBI_TaxID=1938817 {ECO:0000313|EMBL:SMC32077.1, ECO:0000313|Proteomes:UP000192708};
RN [1] {ECO:0000313|EMBL:SMC32077.1, ECO:0000313|Proteomes:UP000192708}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=VK13 {ECO:0000313|EMBL:SMC32077.1,
RC ECO:0000313|Proteomes:UP000192708};
RA Afonso C.L., Miller P.J., Scott M.A., Spackman E., Goraichik I.,
RA Dimitrov K.M., Suarez D.L., Swayne D.E.;
RL Submitted (APR-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; FWXJ01000002; SMC32077.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1W1Y7E8; -.
DR STRING; 1938817.SAMN06296008_10266; -.
DR OrthoDB; 9763107at2; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000192708; 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 CDD; cd01560; Thr-synth_2; 1.
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; PTHR42690; THREONINE SYNTHASE FAMILY MEMBER; 1.
DR PANTHER; PTHR42690:SF1; THREONINE SYNTHASE-LIKE 2; 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 Lyase {ECO:0000256|ARBA:ARBA00023239};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000192708};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697}.
FT DOMAIN 2..79
FT /note="Threonine synthase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14821"
FT DOMAIN 123..350
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 130
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604450-51"
SQ SEQUENCE 486 AA; 53319 MW; D69ADAACCCDD9D77 CRC64;
MRYISTRGSQ QNLSFLQILL AGLAPDGGLY LPETYPQVSQ ATVDSWRGLS YAQLAFEVLS
LYADDIPAED LRAICEKTYT KEVYCHARAG DQPSDITPVH WLGEETVVNG QGTTSIGLLS
LSNGPTLAFK DMAMQLLGNL FEYALARENK ELNILGATSG DTGSAAEYAM RGKKGIKVFM
LSPKGKMSPF QCAQMYSLTD ENIFNIAIEG VFDDAQDIVK AVSNDLSFKA EHQIGTVNSI
NWARVVAQVV YYFAGYLRST NNSSEKVSFC VPSGNFGNVC AGHIARMMGL PIEKLIVATN
ENDVLDEFFK TGVYRARKSA ETFHTSSPSM DISKASNFER FVFDWLGRDG AQVAKLFKQV
DTTGGFDYSN TEQLQAIAQY GFVSGRSTHT DRIHTIQSVA SLYDTVIDTH TADGMKVARE
YLTAGVKMLV LETALPIKFA STIEEALGHP PSRPSAFEGI EDLPQQVTEM APDVQVVKQF
IVDHTV
//
