ID A0A0Q4KD67_9SPHN Unreviewed; 466 AA.
AC A0A0Q4KD67;
DT 20-JAN-2016, integrated into UniProtKB/TrEMBL.
DT 20-JAN-2016, sequence version 1.
DT 27-MAR-2024, entry version 26.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN ORFNames=ASE86_00440 {ECO:0000313|EMBL:KQN24806.1};
OS Sphingomonas sp. Leaf33.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Sphingomonadaceae; Sphingomonas.
OX NCBI_TaxID=1736215 {ECO:0000313|EMBL:KQN24806.1, ECO:0000313|Proteomes:UP000051455};
RN [1] {ECO:0000313|EMBL:KQN24806.1, ECO:0000313|Proteomes:UP000051455}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Leaf33 {ECO:0000313|EMBL:KQN24806.1,
RC ECO:0000313|Proteomes:UP000051455};
RA Gilbert D.G.;
RL Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:KQN24806.1, ECO:0000313|Proteomes:UP000051455}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Leaf33 {ECO:0000313|EMBL:KQN24806.1,
RC ECO:0000313|Proteomes:UP000051455};
RA Schulze-Lefert P.;
RT "Functional overlap of the Arabidopsis leaf and root microbiotas.";
RL Submitted (NOV-2015) 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}.
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:KQN24806.1}.
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DR EMBL; LMLB01000001; KQN24806.1; -; Genomic_DNA.
DR RefSeq; WP_056421575.1; NZ_LMLB01000001.1.
DR AlphaFoldDB; A0A0Q4KD67; -.
DR STRING; 1736215.ASE86_00440; -.
DR OrthoDB; 9763107at2; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000051455; 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, ECO:0000313|EMBL:KQN24806.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000051455};
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 87..345
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 466 AA; 49845 MW; 618457B9BE3B506C CRC64;
MRYHSTRGTA PILDFRDATL AGLASDGGLY VPEAWPTLAR QDIADLAGLS YAENAARIMT
PFIGDALTPE DLRTMCEGAY GRFSHAAVTP LVQLDQRHFL LELFHGPTLA FKDVALQFLG
LLFERFLTGS DTHLTVVGAT SGDTGSAAID ALAGREHVDI FMLHPEGRVS DVQRRQMTTV
LAPNVHNIAI RGDFDTAQAL VKAMFNDADF SGRFALSAVN SINWARLMAQ VVYYFYAAVR
LGAPDRAVAF SVPTGNFGDV FAGYVAAKMG LPIARLIVAT NVNDILHRAL SAGDYSAGTV
TPTAAPSMDI QVSSNFERLL FDLAGRDGAA LSGQMRGFEA TRAMRLTNAQ AEGASALFTS
ARIEPGAMSE TMRWACAEAG QVIDPHTAIG LAAARRTDLP ADVPVVTLAT AHPAKFGDAV
ERATGVRPSL PGRVGDLFDR EERYVTLDAT FEAVTAYIAE RAVAKS
//
