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Database: UniProt
Entry: A0A1I5M612_9RHOB
LinkDB: A0A1I5M612_9RHOB
Original site: A0A1I5M612_9RHOB 
ID   A0A1I5M612_9RHOB        Unreviewed;       463 AA.
AC   A0A1I5M612;
DT   22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT   22-NOV-2017, sequence version 1.
DT   24-JAN-2024, entry version 19.
DE   RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE            EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN   ORFNames=SAMN04488047_102117 {ECO:0000313|EMBL:SFP05012.1};
OS   Tranquillimonas alkanivorans.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC   Roseobacteraceae; Tranquillimonas.
OX   NCBI_TaxID=441119 {ECO:0000313|EMBL:SFP05012.1, ECO:0000313|Proteomes:UP000199356};
RN   [1] {ECO:0000313|EMBL:SFP05012.1, ECO:0000313|Proteomes:UP000199356}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 19547 {ECO:0000313|EMBL:SFP05012.1,
RC   ECO:0000313|Proteomes:UP000199356};
RA   de Groot N.N.;
RL   Submitted (OCT-2016) 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; FOXA01000002; SFP05012.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A1I5M612; -.
DR   STRING; 441119.SAMN04488047_102117; -.
DR   OrthoDB; 9763107at2; -.
DR   UniPathway; UPA00050; UER00065.
DR   Proteomes; UP000199356; 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   Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW   ECO:0000256|PIRSR:PIRSR604450-51};
KW   Reference proteome {ECO:0000313|Proteomes:UP000199356};
KW   Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697}.
FT   DOMAIN          2..80
FT                   /note="Threonine synthase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF14821"
FT   DOMAIN          97..332
FT                   /note="Tryptophan synthase beta chain-like PALP"
FT                   /evidence="ECO:0000259|Pfam:PF00291"
FT   MOD_RES         112
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR604450-51"
SQ   SEQUENCE   463 AA;  50552 MW;  DE599B3C2385CC30 CRC64;
     MKYISTRGRA PALTFEEAML TGLARDGGLY VPEAVPQFSR EDIAALAGLR YEEVAFRVTR
     PFVDDSFTDA DLRDAIEKAY SGFGHDARAP LVQLGPNHFL LELFHGPTLA FKDFAMQLIG
     QLFQQAMKRR GQRITIVGAT SGDTGSAAIE AFRGLNNVDV FILFPHGRVS EVQRRQMTTP
     DEPNVHALAL HGDFDDCQAA VKDMFNDFAF RDEVGLTAVN SINWARVLAQ VVYYFTAATA
     LGAPHRSVDF TVPTGNFGDI FAGRIAKAMG LPIGKLVVAT NRNDILHRTL VTGEHRKEGV
     QPTISPSMDI QVSSNFERAL FDAYGRDGSA VAQLMDELKG QGGFPVSQGA LQALRETYAS
     GRASEEETAA TIRAMHARTG ETLCPHTAVG VKVAEENIDP ARPMITLATA HPAKFPDAVE
     AATGQRPGLP KRMSALYDRP ERVTEVDNDL GRIEHLIRET RAK
//
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