ID Q0AXE4_SYNWW Unreviewed; 500 AA.
AC Q0AXE4;
DT 17-OCT-2006, integrated into UniProtKB/TrEMBL.
DT 17-OCT-2006, sequence version 1.
DT 27-MAR-2024, entry version 85.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN OrderedLocusNames=Swol_1302 {ECO:0000313|EMBL:ABI68610.1};
OS Syntrophomonas wolfei subsp. wolfei (strain DSM 2245B / Goettingen).
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Syntrophomonadaceae;
OC Syntrophomonas.
OX NCBI_TaxID=335541 {ECO:0000313|EMBL:ABI68610.1, ECO:0000313|Proteomes:UP000001968};
RN [1] {ECO:0000313|Proteomes:UP000001968}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 2245B / Goettingen {ECO:0000313|Proteomes:UP000001968};
RX PubMed=21966920; DOI=10.1111/j.1462-2920.2010.02237.x;
RA Sieber J.R., Sims D.R., Han C., Kim E., Lykidis A., Lapidus A.L.,
RA McDonnald E., Rohlin L., Culley D.E., Gunsalus R., McInerney M.J.;
RT "The genome of Syntrophomonas wolfei: new insights into syntrophic
RT metabolism and biohydrogen production.";
RL Environ. Microbiol. 12:2289-2301(2010).
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; CP000448; ABI68610.1; -; Genomic_DNA.
DR RefSeq; WP_011640710.1; NC_008346.1.
DR AlphaFoldDB; Q0AXE4; -.
DR STRING; 335541.Swol_1302; -.
DR KEGG; swo:Swol_1302; -.
DR eggNOG; COG0498; Bacteria.
DR HOGENOM; CLU_015170_3_1_9; -.
DR OrthoDB; 9763107at2; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000001968; Chromosome.
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:ABI68610.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000001968};
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 90..423
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 113
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604450-51"
SQ SEQUENCE 500 AA; 55695 MW; 429FDA2AA8D55401 CRC64;
MKYESSRGKY HSVTAAEAIK MGISPDGGLF VPESIPHLDD KQLTAMASSS YQEKAFHIIR
QFLSDFSDDE IKSCINGAYN QKSFDNERIA PLVKLDTGVY IQELWHGPTA AFKDMALQML
PHLLTISAHK TGEKAEIVIL VATSGDTGKA ALEGFKDVEG TKIIVFYPDE GVSEIQKRQM
LTQEGNNVYV AAVSGNFDDA QNGVKRIFAN EEFAARLLQN GQKLSSANSI NWGRLLPQIV
YYVAAYLDLK AAGIVEEAQS VNIVVPTGNF GNILAAYYAS RMGIPIKRLI CASNANNILT
DFIHSGIYDR QRKFEKTISP SMDILISSNL ERLLFEVTGH NASRVAAWME DLKDRGRYEV
DAVTRDAVQD IFWADFCSDE ETLTAIRQTW REHSYLLDTH TAVAVNVYQK YRSETGDNTI
SIIASTASPF KFANSVAQAV LEPELLQGKD EFELMNLLSQ YTGIAIPVGL KELDRREIRH
HSVCSQQGME EMVMSFLQLV
//
