ID A6GQ77_9BURK Unreviewed; 471 AA.
AC A6GQ77;
DT 24-JUL-2007, integrated into UniProtKB/TrEMBL.
DT 24-JUL-2007, sequence version 1.
DT 27-MAR-2024, entry version 61.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN ORFNames=LMED105_12592 {ECO:0000313|EMBL:EDM83608.1};
OS Limnobacter sp. MED105.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Limnobacter.
OX NCBI_TaxID=391597 {ECO:0000313|EMBL:EDM83608.1, ECO:0000313|Proteomes:UP000010322};
RN [1] {ECO:0000313|EMBL:EDM83608.1, ECO:0000313|Proteomes:UP000010322}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MED105 {ECO:0000313|EMBL:EDM83608.1,
RC ECO:0000313|Proteomes:UP000010322};
RA Pinhassi J., Pedros-Alio C., Ferriera S., Johnson J., Kravitz S.,
RA Beeson K., Sutton G., Rogers Y.-H., Friedman R., Frazier M., Venter J.C.;
RL Submitted (JUN-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}.
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:EDM83608.1}.
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DR EMBL; ABCT01000006; EDM83608.1; -; Genomic_DNA.
DR RefSeq; WP_008249894.1; NZ_ABCT01000006.1.
DR AlphaFoldDB; A6GQ77; -.
DR STRING; 391597.LMED105_12592; -.
DR OrthoDB; 9763107at2; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000010322; 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:EDM83608.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000010322};
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 103..310
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 471 AA; 52227 MW; 12E0F290ECC16713 CRC64;
MKYFSSRGGM EPQDFSEILL EGLAPDGGLA VPEFYPQVAL HVLESWKTLS YGELAFEVLK
PYATDIPEAD LKALTTKTYT KAVYGTEEIT PVRELFDGMK VLELSNGPTL AFKDMAMQLL
GNLFEYQLAR TNRELNILGA TSGDTGSAAE YAMRGKKGVR VFMLSPLGKM SAFQRAQMYS
LQDPNIFNIA IEGLFDDCQD IVKAVSEDLE YKARQKIGTV NSINWGRISA QVVYYFNAYL
RTAEKIGDPV SFAVPSGNFG NVLAGHIARQ MGLPIRKLIV ATNENNVLDE FFKTGVYRPR
KSAETYITSS PSMDISKASN FERFVYDLLG RDPKALKALW QDLAANDQFD LSEDPRFKRV
EEDFGFQSGS SNHQNRLDTI KEVFARTGTL IDTHTADAVK VARNLVEPGV PMVILETALA
VKFAETIEEA TGQTPPVPAQ FQGIEKLPQR VVEMPISVEQ VKAFIAENTG L
//
