ID D5ERU6_PRER2 Unreviewed; 440 AA.
AC D5ERU6;
DT 15-JUN-2010, integrated into UniProtKB/TrEMBL.
DT 15-JUN-2010, sequence version 1.
DT 27-MAR-2024, entry version 60.
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:ADE81829.1};
GN OrderedLocusNames=PRU_1018 {ECO:0000313|EMBL:ADE81829.1};
OS Prevotella ruminicola (strain ATCC 19189 / JCM 8958 / 23).
OC Bacteria; Bacteroidota; Bacteroidia; Bacteroidales; Prevotellaceae;
OC Xylanibacter.
OX NCBI_TaxID=264731 {ECO:0000313|EMBL:ADE81829.1, ECO:0000313|Proteomes:UP000000927};
RN [1] {ECO:0000313|EMBL:ADE81829.1, ECO:0000313|Proteomes:UP000000927}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 19189 / JCM 8958 / 23 {ECO:0000313|Proteomes:UP000000927};
RX PubMed=20585943; DOI=10.1007/s00248-010-9692-8;
RG North American Consortium for Rumen Bacteria;
RA Purushe J., Fouts D.E., Morrison M., White B.A., Mackie R.I.,
RA Coutinho P.M., Henrissat B., Nelson K.E.;
RT "Comparative genome analysis of Prevotella ruminicola and Prevotella
RT bryantii: insights into their environmental niche.";
RL Microb. Ecol. 60:721-729(2010).
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; CP002006; ADE81829.1; -; Genomic_DNA.
DR RefSeq; WP_013063816.1; NC_014033.1.
DR AlphaFoldDB; D5ERU6; -.
DR STRING; 264731.PRU_1018; -.
DR KEGG; pru:PRU_1018; -.
DR eggNOG; COG0498; Bacteria.
DR HOGENOM; CLU_015170_0_0_10; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000000927; Chromosome.
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:ADE81829.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000000927};
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 93..383
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 440 AA; 49015 MW; D79C54EAB8EC054C CRC64;
MKYYSTNGKA PIADLHKAVV KGLAEDRGLY MPERINKLPQ EFFDNIEKMS FQEIAYTVAS
AFFGEDVDPD ALHDIVYDTL AFDCPVVNVK DNIYTLELFH GPTLAFKDVG ARFMARLLQY
FIKQESGHKQ VNVLVATSGD TGSAVANGFL GVEGIHVYVL YPKGKVSPIQ ECQFTTLGKN
ITAIEVDGVF DDCQALVKNA FMDAELNEHM KLTSANSINV ARFLPQAFYY FNAYARMKEN
AKIEKCNNVN NLVMCVPSGN FGNICAALFG HEMGLPIKRF IAANNANDIF YKYLQTGKYE
PKPSKQTLAN AMDVGDPSNF ARIYDLYDKS HEKISALISG ATYSDEQIRE TMRECYKASG
YILDPHGACG YQALADGLQA GEVGVFCETA HPAKFKEKVD EILGIDVEIP ERLAAFMRGE
KQSVAMSKDF ADFKDYLMHQ
//
