ID H0SZW2_9BRAD Unreviewed; 432 AA.
AC H0SZW2;
DT 22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT 22-FEB-2012, sequence version 1.
DT 24-JAN-2024, entry version 49.
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 Name=hom {ECO:0000313|EMBL:CCD99739.1};
GN ORFNames=BRAS3809_2940004 {ECO:0000313|EMBL:CCD99739.1};
OS Bradyrhizobium sp. STM 3809.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Nitrobacteraceae; Bradyrhizobium.
OX NCBI_TaxID=551936 {ECO:0000313|EMBL:CCD99739.1, ECO:0000313|Proteomes:UP000004098};
RN [1] {ECO:0000313|Proteomes:UP000004098}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=STM 3809 {ECO:0000313|Proteomes:UP000004098};
RX PubMed=24704842; DOI=10.3390/genes3010035;
RA Mornico D., Miche L., Bena G., Nouwen N., Vermeglio A., Vallenet D.,
RA Smith A.A., Giraud E., Medigue C., Moulin L.;
RT "Comparative genomics of aeschynomene symbionts: insights into the
RT ecological lifestyle of nod-independent photosynthetic bradyrhizobia.";
RL Genes (Basel) 3:35-61(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}.
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:CCD99739.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CAFJ01000217; CCD99739.1; -; Genomic_DNA.
DR AlphaFoldDB; H0SZW2; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000004098; 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; 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 Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 344..425
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT ACT_SITE 200
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-1"
FT BINDING 4..11
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 432 AA; 45197 MW; 86A2A368F2D18D9D CRC64;
MGIAGLGTVG AEVVRLIERQ GRVLTERTGR PVQVVAVTAR SKKKRAVDLT GIKWAKDPLA
LAADPEIDCL VELMGGSGDP ALSAIDTALK AGKSVVTANK ALIAKHGLKL AKAAEKHGGA
LNFEAAVGAA IPVIKTLREG LAGTGIQRVY GILNGTCNYI LTRMEQEGLS FDACLADAQR
LGYAEADPSF DIHGHDTAQK LAILASLAFG TQVAEKSIYV EGISSIAPED LKAADELGYR
VKLLGVAMRT AKGIEQRVHP TMVPKSSSIA QVMGVTNAVT IDGEGIPPIT LVGPGAGGAA
TASAVVADIA DVARGIRAAP FGRPVDRLQA TEKAPMERHE GGYYIRLMAR DHAGTAATIA
TRLAEQKISI ESIVQRHPNG SEPMKAGAKG GPVPVILITY ATHEDAVHRA LQAVQRDKVI
SGKPQVIRIE KN
//
