ID A0A1G8MWF1_9SPHI Unreviewed; 436 AA.
AC A0A1G8MWF1;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 24.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN ORFNames=SAMN05192573_12934 {ECO:0000313|EMBL:SDI72224.1};
OS Mucilaginibacter gossypii.
OC Bacteria; Bacteroidota; Sphingobacteriia; Sphingobacteriales;
OC Sphingobacteriaceae; Mucilaginibacter.
OX NCBI_TaxID=551996 {ECO:0000313|EMBL:SDI72224.1, ECO:0000313|Proteomes:UP000199705};
RN [1] {ECO:0000313|EMBL:SDI72224.1, ECO:0000313|Proteomes:UP000199705}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Gh-67 {ECO:0000313|EMBL:SDI72224.1,
RC ECO:0000313|Proteomes:UP000199705};
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; FNCG01000029; SDI72224.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1G8MWF1; -.
DR STRING; 551996.SAMN05192573_12934; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000199705; 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 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 Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697}.
FT DOMAIN 4..79
FT /note="Threonine synthase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14821"
FT DOMAIN 89..370
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 107
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604450-51"
SQ SEQUENCE 436 AA; 48132 MW; 635366158CD08698 CRC64;
MKLYSTNNTL FEVSFKDAVF NSMPQDKGLY MPYSIPRLDA DFINNLDKYS LPEIAFKVAQ
NLLGDSIPEA DLKALIDDAI NFPAPIVKLE DNVYVLELFH GPSLAFKDFG ARFMSRVMSY
FLEPGEKQLD VLVATSGDTG GAVALGFLGV PNTRVTILYP KGKVSGVQEQ QLTTNGQNIR
ALEVDGTFDD CQALVKQAFV DDELNEKFRL TSANSINIAR LVPQTFYYFN AYAQLLRQGI
KKVVFSVPSG NFGNIGAGLL AWKMGLPVEK FIAATNVNDT VPEFLKTGVY QPKPSVATLS
NAMDVGNPSN WVRIADLFKN DTEALKELVI GFKYDDEETV KAINWVFDNY NYVVCPHTAI
AWQALTDYKQ GHAAVDTAGV FLSTAHPCKF PDVFSDEVAA KIEVPEQVKE LEAKTKLAVA
ISKDFADFKG YLLGVN
//
