ID E4RKS3_HALHG Unreviewed; 428 AA.
AC E4RKS3;
DT 08-FEB-2011, integrated into UniProtKB/TrEMBL.
DT 08-FEB-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=Halsa_1316 {ECO:0000313|EMBL:ADQ14743.1};
OS Halanaerobium hydrogeniformans (Halanaerobium sp. (strain sapolanicus)).
OC Bacteria; Bacillota; Clostridia; Halanaerobiales; Halanaerobiaceae;
OC Halanaerobium.
OX NCBI_TaxID=656519 {ECO:0000313|EMBL:ADQ14743.1, ECO:0000313|Proteomes:UP000007434};
RN [1] {ECO:0000313|EMBL:ADQ14743.1, ECO:0000313|Proteomes:UP000007434}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=sapolanicus {ECO:0000313|Proteomes:UP000007434};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Cheng J.-F., Bruce D., Goodwin L.,
RA Pitluck S., Davenport K., Detter J.C., Han C., Tapia R., Land M.,
RA Hauser L., Jeffries C., Kyrpides N., Ivanova N., Mikhailova N.,
RA Begemann M.B., Mormile M.R., Wall J.D., Elias D.A., Woyke T.;
RT "Complete sequence of Halanaerobium sp. sapolanicus.";
RL Submitted (NOV-2010) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ADQ14743.1, ECO:0000313|Proteomes:UP000007434}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=sapolanicus {ECO:0000313|Proteomes:UP000007434};
RX PubMed=21602336; DOI=10.1128/JB.05209-11;
RA Brown S.D., Begemann M.B., Mormile M.R., Wall J.D., Han C.S., Goodwin L.A.,
RA Pitluck S., Land M.L., Hauser L.J., Elias D.A.;
RT "Complete Genome Sequence of the Haloalkaliphilic, Hydrogen Producing
RT Halanaerobium hydrogenoformans.";
RL J. Bacteriol. 193:3682-3683(2011).
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; CP002304; ADQ14743.1; -; Genomic_DNA.
DR RefSeq; WP_013405824.1; NC_014654.1.
DR AlphaFoldDB; E4RKS3; -.
DR STRING; 656519.Halsa_1316; -.
DR KEGG; has:Halsa_1316; -.
DR eggNOG; COG0460; Bacteria.
DR HOGENOM; CLU_009116_1_0_9; -.
DR OrthoDB; 2110913at2; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000007434; 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:UP000007434};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 8..127
FT /note="Aspartate/homoserine dehydrogenase NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF03447"
FT DOMAIN 135..313
FT /note="Homoserine dehydrogenase catalytic"
FT /evidence="ECO:0000259|Pfam:PF00742"
FT ACT_SITE 203
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 103
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 188
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
SQ SEQUENCE 428 AA; 48325 MW; 713AC7BF71D5B711 CRC64;
MINIALLGYG TVGSGFYEIL KNNKNKIENI VKEKIKLKHI LIKDLNKKRE NLEDKSILTD
DFNKILMDPE VDIVVELIGG EQAAYQYITN SLKKNKIVIT ANKLLIAKHY NQLLALAENN
DTHIYFEGSV GGGIPIIKAI REHLAGDNIQ EIDAILNGTT NYILSIMEEK TISMKETIQK
AQEMGYAEQD PEEDLEGYDV LYKICILANL AFDISVNPED IPCKGIKGIT SYDLIYASEL
GYKIKLIASI KNINNKINIG VRPNLVEKEE YLASIDGVFN GIEVYSRYSQ KLSFDGMGAG
KYPSANAVIS DLIEAAKTIK ENKTKMDLNP LEKTTTFDLH AYLEQSFYIR IQIEKDDQTI
NKIKEIFAEK DLAELFFKDN KTETPLLPVI IITKKIREDK LEKIIKKIES LKGVLTINNI
IPIKDTVI
//
