ID A0A1M4ZI13_9FLAO Unreviewed; 430 AA.
AC A0A1M4ZI13;
DT 15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT 15-MAR-2017, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN ORFNames=SAMN05444377_104186 {ECO:0000313|EMBL:SHF17442.1};
OS Flavobacterium fontis.
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC Flavobacteriaceae; Flavobacterium.
OX NCBI_TaxID=1124188 {ECO:0000313|EMBL:SHF17442.1, ECO:0000313|Proteomes:UP000184147};
RN [1] {ECO:0000313|EMBL:SHF17442.1, ECO:0000313|Proteomes:UP000184147}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 25660 {ECO:0000313|EMBL:SHF17442.1,
RC ECO:0000313|Proteomes:UP000184147};
RA Jaros S., Januszkiewicz K., Wedrychowicz H.;
RL Submitted (NOV-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; FQVQ01000004; SHF17442.1; -; Genomic_DNA.
DR RefSeq; WP_073362394.1; NZ_FQVQ01000004.1.
DR AlphaFoldDB; A0A1M4ZI13; -.
DR STRING; 1124188.SAMN05444377_104186; -.
DR OrthoDB; 9763107at2; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000184147; 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 Reference proteome {ECO:0000313|Proteomes:UP000184147};
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 96..365
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 430 AA; 47656 MW; 7224A75DBA1EB00E CRC64;
MNYYSLNNPN HKVSFKEAVI AGIAPDRGLY YPEQIPTLSP EFIANLEQYS REEVAFQVMA
PFVGESIPEA ELRQIIEETL CFDFPCVAVH DSIFSLELYH GPTLAFKDVG ARFMSRCLGY
FNRNSEEKVT VLVATSGDTG GAVASGFLGV KGVNVVILYP SGKVSDIQER QLTTLGQNIH
ALEVDGVFDD CQDMVKTAFL DTDLKGSGLT SANSINVARW LPQMLYYFFA WQQLKKHHKE
IIVSCPSGNF GNICAGLLAK KMGLPIAHFV AATNVNDTVP EFLQTGKYIP KPSKPTISNA
MDVGNPSNFV RIQAMYDHSL EAILNDFSSY SYTDEQTRAV MQTLYSQTGY IAEPHGAVGY
LGLQETLKNH PYAIGLFLET AHPVKFLEEV ENTLSIELPL PEAIAQLLPL EKVKTRIATY
AQLKSFLLNR
//