ID A4JET1_BURVG Unreviewed; 483 AA.
AC A4JET1;
DT 01-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 01-MAY-2007, sequence version 1.
DT 27-MAR-2024, entry version 97.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN OrderedLocusNames=Bcep1808_1780 {ECO:0000313|EMBL:ABO54784.1};
OS Burkholderia vietnamiensis (strain G4 / LMG 22486) (Burkholderia cepacia
OS (strain R1808)).
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Burkholderia; Burkholderia cepacia complex.
OX NCBI_TaxID=269482 {ECO:0000313|EMBL:ABO54784.1, ECO:0000313|Proteomes:UP000002287};
RN [1] {ECO:0000313|Proteomes:UP000002287}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=G4 / LMG 22486 {ECO:0000313|Proteomes:UP000002287};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Tiedje J., Richardson P.;
RT "Complete sequence of chromosome 1 of Burkholderia vietnamiensis G4.";
RL Submitted (MAR-2007) 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; CP000614; ABO54784.1; -; Genomic_DNA.
DR AlphaFoldDB; A4JET1; -.
DR KEGG; bvi:Bcep1808_1780; -.
DR eggNOG; COG0498; Bacteria.
DR HOGENOM; CLU_015170_1_0_4; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000002287; Chromosome 1.
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:ABO54784.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000002287};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697}.
FT DOMAIN 2..81
FT /note="Threonine synthase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14821"
FT DOMAIN 100..346
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 126
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604450-51"
SQ SEQUENCE 483 AA; 53005 MW; 8354416B62E87FEF CRC64;
MNYISTRGAG IGERHTFSDI LLGGLAKDGG LYLPSEYPQV SADELARWRT LPYADLAFEI
LTKFCDDVPA DDLRAITRRT YTAAVYSNTR HGENACDITP LKPLGTEQGT ALSLLELSNG
PTLAFKDMAM QLLGNLFEYT LAKHGEALNI LGATSGDTGS AAEYAMRGKA GVRVFMLSPH
RKMSAFQTAQ MFSLQDPNIF NLAVEGVFDD CQDIVKAVSN DHAFKARHKI GTVNSINWAR
VVAQVVYYFK GYFAATRSND ERVSFTVPSG NFGNVCAGHI ARMMGLPIAK LVVATNENDV
LDEFFRTGVY RVRSAQNTYH TSSPSMDISK ASNFERFVFD LLGRDPARVM QLFRDVDEKG
GFDLAASGDF ARVAQFGFVS GRSSHADRIA TIRDVFARYD TMIDTHTADG VKVAREHLDA
GVPMVVLETA QPIKFGETIR EALEREAERP AAFDGLEALP QRFDVVKADA QQVKDFIAAH
TGA
//
