ID E6U8E0_ETHHY Unreviewed; 413 AA.
AC E6U8E0;
DT 08-MAR-2011, integrated into UniProtKB/TrEMBL.
DT 08-MAR-2011, sequence version 1.
DT 27-MAR-2024, entry version 64.
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 OrderedLocusNames=Ethha_2767 {ECO:0000313|EMBL:ADU28259.1};
OS Ethanoligenens harbinense (strain DSM 18485 / JCM 12961 / CGMCC 1.5033 /
OS YUAN-3).
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Oscillospiraceae;
OC Ethanoligenens.
OX NCBI_TaxID=663278 {ECO:0000313|EMBL:ADU28259.1, ECO:0000313|Proteomes:UP000001551};
RN [1] {ECO:0000313|EMBL:ADU28259.1, ECO:0000313|Proteomes:UP000001551}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 18485 / JCM 12961 / CGMCC 1.5033 / YUAN-3
RC {ECO:0000313|Proteomes:UP000001551};
RA Lucas S., Copeland A., Lapidus A., Cheng J.-F., Bruce D., Goodwin L.,
RA Pitluck S., Chertkov O., Misra M., Detter J.C., Han C., Tapia R., Land M.,
RA Hauser L., Jeffries C., Kyrpides N., Ivanova N., Mikhailova N., Wang A.,
RA Mouttaki H., He Z., Zhou J., Hemme C.L., Woyke T.;
RT "Complete sequence of Ethanoligenens harbinense YUAN-3.";
RL Submitted (DEC-2010) 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}.
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DR EMBL; CP002400; ADU28259.1; -; Genomic_DNA.
DR RefSeq; WP_013486602.1; NZ_CP025286.1.
DR AlphaFoldDB; E6U8E0; -.
DR STRING; 663278.Ethha_2767; -.
DR KEGG; eha:Ethha_2767; -.
DR eggNOG; COG0460; Bacteria.
DR HOGENOM; CLU_009116_1_1_9; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000001551; Chromosome.
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 Gene3D; 3.30.70.260; -; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
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; PF00742; Homoserine_dh; 1.
DR Pfam; PF03447; NAD_binding_3; 1.
DR PIRSF; PIRSF000098; Homoser_dehydrog; 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; 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:UP000001551};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 8..124
FT /note="Aspartate/homoserine dehydrogenase NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF03447"
FT DOMAIN 132..311
FT /note="Homoserine dehydrogenase catalytic"
FT /evidence="ECO:0000259|Pfam:PF00742"
FT ACT_SITE 200
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-1"
FT BINDING 7..14
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 100
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 185
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
SQ SEQUENCE 413 AA; 44780 MW; 3C6DC549E362B2EE CRC64;
MIAIAVLGHG TVGSGVLEVF NKNHESIIQK AGEDMEIRYV LDRRDFPDVP YHDKFVKDFD
VILNDPEVRV VVEVLGGLNP AYDFVRRCLE AGKNVVTSNK ELVAAKGAEL LAIAREKNVN
FLFEASVGGG IPILRPLSQC LSANQIVEIA GILNGTTNFI LTKMFREGMA FADALALAQQ
LGYAERDPSA DVEGGDACRK VCILASLAYG RHVNPEDVHT EGITHITAED VRYADAWGGV
IKLIGRVKKL EDGRLFAMVS PAFISRESQL ATVDDVFNGI LVRGDALGDV VFYGRGAGKL
PTASAVVADV IDAVKHLKAR KYIFWEPAKD GYVCDYLEVP AAMFVRIAAR NRAEALRSVH
GLLGSVTEVV APGVENEAAF ITPTLPEGEI ARALQALQAL DYTILSTIRV LDY
//
