ID K6X4T2_9ALTE Unreviewed; 428 AA.
AC K6X4T2;
DT 09-JAN-2013, integrated into UniProtKB/TrEMBL.
DT 09-JAN-2013, sequence version 1.
DT 27-MAR-2024, entry version 37.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN Name=thrC {ECO:0000313|EMBL:GAC15639.1};
GN ORFNames=GLIP_3018 {ECO:0000313|EMBL:GAC15639.1};
OS Aliiglaciecola lipolytica E3.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Alteromonadaceae; Aliiglaciecola.
OX NCBI_TaxID=1127673 {ECO:0000313|EMBL:GAC15639.1, ECO:0000313|Proteomes:UP000006334};
RN [1] {ECO:0000313|EMBL:GAC15639.1, ECO:0000313|Proteomes:UP000006334}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=E3 {ECO:0000313|EMBL:GAC15639.1,
RC ECO:0000313|Proteomes:UP000006334};
RX PubMed=25009843;
RA Qin Q.-L., Xie B.-B., Yu Y., Shu Y.-L., Rong J.-C., Zhang Y.-J.,
RA Zhao D.-L., Chen X.-L., Zhang X.-Y., Chen B., Zhou B.-C., Zhang Y.-Z.;
RT "Comparative genomics of the marine bacterial genus Glaciecola reveals the
RT high degree of genomic diversity and genomic characteristic for cold
RT adaptation.";
RL Environ. Microbiol. 16:1642-1653(2014).
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:GAC15639.1}.
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DR EMBL; BAEN01000059; GAC15639.1; -; Genomic_DNA.
DR RefSeq; WP_008845444.1; NZ_BAEN01000059.1.
DR AlphaFoldDB; K6X4T2; -.
DR STRING; 1127673.GLIP_3018; -.
DR eggNOG; COG0498; Bacteria.
DR OrthoDB; 9763107at2; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000006334; 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, ECO:0000313|EMBL:GAC15639.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000006334};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697}.
FT DOMAIN 8..78
FT /note="Threonine synthase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14821"
FT DOMAIN 94..361
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 105
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604450-51"
SQ SEQUENCE 428 AA; 46946 MW; FD04EFBC0D5235FF CRC64;
MELFNLKDDS DQASFAEAVK KGLGKNQGLY FPKVFPKFDN IQAILDMPFV PRSVEILSRL
IGDELSKQEI QGIVEKAFSF DAPLAKVTDG VYSLELFHGP TLAFKDFGGR FMAQVLSVIA
KGEPITILTA TSGDTGAAVA HAFHGLDNIN VVILYPKGKI SLLQEKLFTT LGDNIHTVAI
EDDFDACQQL VKTSFDDPEV RQGLHLNSAN SINISRLLAQ VCYYFEAISQ LSEQERENVV
ISVPSGNFGN LTAGMIAKVM GLPIKRFIAA TNSNDTVPRY LKTGEWDPKA TVATLSNAMD
VSQPNNWPRI EALIERGLID KAMLQGDAID EDYTQLAMKQ LAQLGYVSEP HAAVAYRSLT
RFIEPEETGI FLGTAHPAKF RESVENVLGQ PISLPQPLAE CAGKESYSVE LANDYEQLKA
HLFATLKA
//
