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Database: UniProt
Entry: R7CUG7_9FIRM
LinkDB: R7CUG7_9FIRM
Original site: R7CUG7_9FIRM 
ID   R7CUG7_9FIRM            Unreviewed;       432 AA.
AC   R7CUG7;
DT   24-JUL-2013, integrated into UniProtKB/TrEMBL.
DT   24-JUL-2013, sequence version 1.
DT   24-JAN-2024, entry version 31.
DE   RecName: Full=Homoserine dehydrogenase {ECO:0000256|ARBA:ARBA00013213, ECO:0000256|RuleBase:RU000579};
DE            EC=1.1.1.3 {ECO:0000256|ARBA:ARBA00013213, ECO:0000256|RuleBase:RU000579};
GN   ORFNames=BN625_00629 {ECO:0000313|EMBL:CDD81217.1};
OS   Dialister sp. CAG:357.
OC   Bacteria; Bacillota; Negativicutes; Veillonellales; Veillonellaceae;
OC   Dialister; environmental samples.
OX   NCBI_TaxID=1262869 {ECO:0000313|EMBL:CDD81217.1, ECO:0000313|Proteomes:UP000018365};
RN   [1] {ECO:0000313|EMBL:CDD81217.1, ECO:0000313|Proteomes:UP000018365}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MGS:357 {ECO:0000313|Proteomes:UP000018365};
RA   Nielsen H.B., Almeida M., Juncker A.S., Rasmussen S., Li J., Sunagawa S.,
RA   Plichta D., Gautier L., Le Chatelier E., Peletier E., Bonde I., Nielsen T.,
RA   Manichanh C., Arumugam M., Batto J., Santos M.B.Q.D., Blom N., Borruel N.,
RA   Burgdorf K.S., Boumezbeur F., Casellas F., Dore J., Guarner F., Hansen T.,
RA   Hildebrand F., Kaas R.S., Kennedy S., Kristiansen K., Kultima J.R.,
RA   Leonard P., Levenez F., Lund O., Moumen B., Le Paslier D., Pons N.,
RA   Pedersen O., Prifti E., Qin J., Raes J., Tap J., Tims S., Ussery D.W.,
RA   Yamada T., MetaHit consortium, Renault P., Sicheritz-Ponten T., Bork P.,
RA   Wang J., Brunak S., Ehrlich S.D.;
RT   "Dependencies among metagenomic species, viruses, plasmids and units of
RT   genetic variation.";
RL   Submitted (NOV-2012) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-homoserine + NAD(+) = H(+) + L-aspartate 4-semialdehyde +
CC         NADH; Xref=Rhea:RHEA:15757, ChEBI:CHEBI:15378, ChEBI:CHEBI:57476,
CC         ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:537519; EC=1.1.1.3;
CC         Evidence={ECO:0000256|ARBA:ARBA00001406};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-homoserine + NADP(+) = H(+) + L-aspartate 4-semialdehyde +
CC         NADPH; Xref=Rhea:RHEA:15761, ChEBI:CHEBI:15378, ChEBI:CHEBI:57476,
CC         ChEBI:CHEBI:57783, ChEBI:CHEBI:58349, ChEBI:CHEBI:537519; EC=1.1.1.3;
CC         Evidence={ECO:0000256|RuleBase:RU000579};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de novo
CC       pathway; L-homoserine from L-aspartate: step 3/3.
CC       {ECO:0000256|RuleBase:RU000579}.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC       from L-aspartate: step 3/5. {ECO:0000256|RuleBase:RU000579}.
CC   -!- SIMILARITY: Belongs to the homoserine dehydrogenase family.
CC       {ECO:0000256|ARBA:ARBA00006753, ECO:0000256|RuleBase:RU004171}.
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:CDD81217.1}.
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DR   EMBL; CBHT010000209; CDD81217.1; -; Genomic_DNA.
DR   AlphaFoldDB; R7CUG7; -.
DR   STRING; 1262869.BN625_00629; -.
DR   UniPathway; UPA00050; UER00063.
DR   UniPathway; UPA00051; UER00465.
DR   Proteomes; UP000018365; Unassembled WGS sequence.
DR   GO; GO:0004412; F:homoserine dehydrogenase activity; IEA:UniProtKB-EC.
DR   GO; GO:0050661; F:NADP binding; IEA:InterPro.
DR   GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0009088; P:threonine biosynthetic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd04881; ACT_HSDH-Hom; 1.
DR   Gene3D; 3.30.70.260; -; 1.
DR   Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR   InterPro; IPR045865; ACT-like_dom_sf.
DR   InterPro; IPR002912; ACT_dom.
DR   InterPro; IPR005106; Asp/hSer_DH_NAD-bd.
DR   InterPro; IPR016204; HDH.
DR   InterPro; IPR001342; HDH_cat.
DR   InterPro; IPR019811; HDH_CS.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   PANTHER; PTHR43331; HOMOSERINE DEHYDROGENASE; 1.
DR   PANTHER; PTHR43331:SF1; HOMOSERINE DEHYDROGENASE; 1.
DR   Pfam; PF01842; ACT; 1.
DR   Pfam; PF00742; Homoserine_dh; 1.
DR   Pfam; PF03447; NAD_binding_3; 1.
DR   PIRSF; PIRSF000098; Homoser_dehydrog; 1.
DR   SUPFAM; SSF55021; ACT-like; 1.
DR   SUPFAM; SSF55347; Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain; 1.
DR   SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR   PROSITE; PS51671; ACT; 1.
DR   PROSITE; PS01042; HOMOSER_DHGENASE; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis {ECO:0000256|RuleBase:RU000579};
KW   Branched-chain amino acid biosynthesis {ECO:0000256|RuleBase:RU000579};
KW   Isoleucine biosynthesis {ECO:0000256|RuleBase:RU000579};
KW   Methionine biosynthesis {ECO:0000256|RuleBase:RU000579};
KW   NADP {ECO:0000256|PIRSR:PIRSR000098-2, ECO:0000256|RuleBase:RU000579};
KW   Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW   ECO:0000256|RuleBase:RU000579};
KW   Reference proteome {ECO:0000313|Proteomes:UP000018365};
KW   Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT   DOMAIN          351..431
FT                   /note="ACT"
FT                   /evidence="ECO:0000259|PROSITE:PS51671"
FT   ACT_SITE        205
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000098-1"
FT   BINDING         9..16
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT   BINDING         105
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT   BINDING         190
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
SQ   SEQUENCE   432 AA;  47429 MW;  CEB29A699F043A63 CRC64;
     MREINIALLG FGTVGSGVAE VIRRNGKIIE DQIDCKLRIT HVLVRNTEKY RDLDILKDVV
     VTDDFNCVID AAPEIIIEVM GGIHPAKEYI FEALNHRINV VSANKDLVAL FGPEIMHTAT
     ENKVNFSCEA SVAGGIPILK PLHDSLAANQ IESIIGIVNG TTNFILSDMD DSGVSYSDAL
     RVAQKKGYAE ADPTNDVCGY DAARKLAILA SIGFRANVTF DDVLVEGIEK ISQKDIQYAS
     EMNYTIKLLA VAMRQENGIA LNVYPAFVPR SHPLASVKGS YNAIYVTGNI VEDVMFYGRG
     AGSLPTASAV MGDVISTAKH ILNHSTGTEM MLTETKRIPF YSSLKLKNAY YFRLLVDDMT
     GVLSQIAAAY ADNNISIREV VQKSRIEDAA ELMIITEETP RENIIHVEKA LQVLPCMRQV
     ANIIRVMDDG KR
//
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