ID A0A1G8MKG6_9RHOB Unreviewed; 462 AA.
AC A0A1G8MKG6;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-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=SAMN05421850_104204 {ECO:0000313|EMBL:SDI67800.1};
OS Lutimaribacter saemankumensis.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Roseobacteraceae; Lutimaribacter.
OX NCBI_TaxID=490829 {ECO:0000313|EMBL:SDI67800.1, ECO:0000313|Proteomes:UP000199340};
RN [1] {ECO:0000313|EMBL:SDI67800.1, ECO:0000313|Proteomes:UP000199340}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 28010 {ECO:0000313|EMBL:SDI67800.1,
RC ECO:0000313|Proteomes:UP000199340};
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; FNEB01000004; SDI67800.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1G8MKG6; -.
DR STRING; 490829.SAMN05421850_104204; -.
DR OrthoDB; 9763107at2; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000199340; 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:UP000199340};
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 99..328
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 462 AA; 50237 MW; EDCA0E58810D6B1A CRC64;
MKYVSTRGQA PELTFEEAML TGLARDGGLY VPSEVPVMAS EEIAALAGLP YEEVAFRIMR
PFIGDTFTDD EFRGIIARAY EGFGHAARAP LVQLGSGHFL LELFHGPTLA FKDFAMQLIG
QLFQAALKRS GQRVTIVGAT SGDTGSAAIE AFKGLDAVDV FILYPHGRVS EVQRRQMTTP
SEANVHALAI DGHFDDAQAR VKDMFNDFTF RDGVQLAGVN SINWARVLAQ VVYYFASAVE
LGAPHRKVSF TVPTGNFGDI FAGYIAKKMG LPIDRLVVAT NQNDILHRCL STSDYTPDGV
IPSISPSMDI QVSSNFERAL FDAYGRDGGA VAQLMDELKA GGFKVSQGAL QALREHFDSG
RCDEDETRAT IKRLQATTGE LLCPHSAVGV KVAEEHLKPG VPMITLATAH PAKFPAAVEE
ASGIHPPLPP RMADLYERDE RVTRVPNDLS AIETLIRERI AK
//
