ID I7KWZ7_9CLOT Unreviewed; 493 AA.
AC I7KWZ7;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 36.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN ORFNames=CAAU_2688 {ECO:0000313|EMBL:CCJ34771.1};
OS Caloramator australicus RC3.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae;
OC Caloramator.
OX NCBI_TaxID=857293 {ECO:0000313|EMBL:CCJ34771.1, ECO:0000313|Proteomes:UP000007652};
RN [1] {ECO:0000313|EMBL:CCJ34771.1, ECO:0000313|Proteomes:UP000007652}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=RC3 {ECO:0000313|EMBL:CCJ34771.1,
RC ECO:0000313|Proteomes:UP000007652};
RX PubMed=21421756; DOI=10.1128/JB.00193-11;
RA Ogg C.D., Patel B.K.C.;
RT "Draft genome sequence of Caloramator australicus strain RC3T, a
RT thermoanaerobe from the Great Artesian Basin of Australia.";
RL J. Bacteriol. 193:2664-2665(2011).
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:CCJ34771.1}.
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DR EMBL; CAKP01000157; CCJ34771.1; -; Genomic_DNA.
DR RefSeq; WP_008910011.1; NZ_CAKP01000157.1.
DR AlphaFoldDB; I7KWZ7; -.
DR STRING; 857293.CAAU_2688; -.
DR eggNOG; COG0498; Bacteria.
DR OrthoDB; 9763107at2; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000007652; 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; 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 Lyase {ECO:0000313|EMBL:CCJ34771.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000007652};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697}.
FT DOMAIN 2..77
FT /note="Threonine synthase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14821"
FT DOMAIN 89..413
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 109
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604450-51"
SQ SEQUENCE 493 AA; 56496 MW; 83832B2082C34E26 CRC64;
MEYKSTRGNI RLTSTKALIE GLADDGGLFI PIKFPKVELN FKELMNKSYN ELAFYILKNY
FNDFDENTLF NCITKAYDDK FDIKEIAPLV KKDKFYFLEL FHGPTLAFKD MALSLFPYLL
KEAKLKENIK KEIVILTATS GDTGKAALEA FRDIEGIKII VFYPSKGVSN IQRLQMTTQE
GENTFVFGIN GNFDDAQRAV KEIFADVHFN EEIDKRGYVL SSANSINIGR LLPQIVYYFY
AYLKLLKMGE ISEGEYVNIV VPTGNFGNIL AAYYAKKMGL KVNKLICASN TNNVLYDFLR
SGVYDIRRNF YTTISPSMDI LVSSNLERFL YDACGEDEDI IRALMRDLKE FGCFKLSEKY
MDSLKDFYAN FADDKETCSE IRWAFLNLRY LIDPHTAVAL NVYKKYLKDT DDDTKTIIAS
TASPYKFVAS VYKAITLKEP YGDEFMLADE LSKLTKTSIP KQIVELNNKR VLHNKVIDKG
EIYDVIKDIL KGD
//
