ID F3PRN2_9BACE Unreviewed; 433 AA.
AC F3PRN2;
DT 28-JUN-2011, integrated into UniProtKB/TrEMBL.
DT 28-JUN-2011, sequence version 1.
DT 27-MAR-2024, entry version 43.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN ORFNames=HMPREF9446_01383 {ECO:0000313|EMBL:EGF58083.1};
OS Bacteroides fluxus YIT 12057.
OC Bacteria; Bacteroidota; Bacteroidia; Bacteroidales; Bacteroidaceae;
OC Bacteroides.
OX NCBI_TaxID=763034 {ECO:0000313|EMBL:EGF58083.1, ECO:0000313|Proteomes:UP000003416};
RN [1] {ECO:0000313|EMBL:EGF58083.1, ECO:0000313|Proteomes:UP000003416}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YIT 12057 {ECO:0000313|EMBL:EGF58083.1,
RC ECO:0000313|Proteomes:UP000003416};
RA Weinstock G., Sodergren E., Clifton S., Fulton L., Fulton B., Courtney L.,
RA Fronick C., Harrison M., Strong C., Farmer C., Delahaunty K., Markovic C.,
RA Hall O., Minx P., Tomlinson C., Mitreva M., Hou S., Chen J., Wollam A.,
RA Pepin K.H., Johnson M., Bhonagiri V., Zhang X., Suruliraj S., Warren W.,
RA Chinwalla A., Mardis E.R., Wilson R.K.;
RL Submitted (FEB-2011) 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:EGF58083.1}.
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DR EMBL; AFBN01000025; EGF58083.1; -; Genomic_DNA.
DR RefSeq; WP_009124611.1; NZ_GL882623.1.
DR AlphaFoldDB; F3PRN2; -.
DR STRING; 763034.HMPREF9446_01383; -.
DR eggNOG; COG0498; Bacteria.
DR HOGENOM; CLU_015170_0_0_10; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000003416; 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};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000003416};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697}.
FT DOMAIN 2..78
FT /note="Threonine synthase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14821"
FT DOMAIN 96..374
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 433 AA; 47793 MW; 96F5E7B1994944AF CRC64;
MRYYSTNKQA SDATLEEAVV KGLAADKGLF MPFTIQPLPQ DFYDSIDALS FQEIAYRVAD
AFFGEDVPAD TLKQIVYDTL NFDVPLVKVT ENIYSLELFH GPTLAFKDVG GRFMARLLGY
FIRKEGKKQV NVLVATSGDT GSAVANGFLG VEGIHVYVLY PKGKVSEIQE KQFTTLGQNI
TALEVDGTFD DCQALVKSAF MDRELNGRLL LTSANSINVA RFLPQAFYYF YAYAQLKRAT
GGLSPVICVP SGNFGNITAG LFGKRMGLPV KRFIAANNRN DIFYQYLQTG VYTPRPSIAT
IANAMDVGDP SNFARVLDLY GNDHAAISAE ISGATYTDAQ IAETMKKVWK EERYLLDPHG
ACGFRALAEG LRPGETGIFL ETAHPAKFKD TVEKIIGETV QIPEKLQAFM RGEKKSLPMS
KDFAAFKQYL MGL
//
