ID A0A0H5BHF5_BLAVI Unreviewed; 436 AA.
AC A0A0H5BHF5;
DT 14-OCT-2015, integrated into UniProtKB/TrEMBL.
DT 14-OCT-2015, sequence version 1.
DT 27-MAR-2024, entry version 38.
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:CUU42195.1};
GN ORFNames=BV133_2986 {ECO:0000313|EMBL:BAS00580.1}, BVIRIDIS_12030
GN {ECO:0000313|EMBL:CUU42195.1};
OS Blastochloris viridis (Rhodopseudomonas viridis).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Blastochloridaceae; Blastochloris.
OX NCBI_TaxID=1079 {ECO:0000313|EMBL:CUU42195.1, ECO:0000313|Proteomes:UP000065734};
RN [1] {ECO:0000313|EMBL:BAS00580.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 133 {ECO:0000313|EMBL:BAS00580.1};
RA Tsukatani Y., Hirose Y., Harada J., Misawa N., Mori K., Inoue K.,
RA Tamiaki H.;
RT "Complete Genome Sequence of the Bacteriochlorophyll b-Producing
RT Photosynthetic Bacterium Blastochloris viridis.";
RL Genome Announc. 3:e01006-15(2015).
RN [2] {ECO:0000313|EMBL:CUU42195.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=1 {ECO:0000313|EMBL:CUU42195.1};
RA Zhang Y., Guo Z.;
RL Submitted (NOV-2015) to the EMBL/GenBank/DDBJ databases.
RN [3] {ECO:0000313|Proteomes:UP000065734}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 19567 / DSM 133 / F {ECO:0000313|Proteomes:UP000065734};
RX PubMed=26798090; DOI=10.1128/genomeA.01520-15;
RA Liu L.N., Faulkner M., Liu X., Huang F., Darby A.C., Hall N.;
RT "Revised genome sequence of the purple photosynthetic bacterium
RT Blastochloris viridis.";
RL Genome Announc. 4:0-0(2016).
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; AP014854; BAS00580.1; -; Genomic_DNA.
DR EMBL; LN907867; CUU42195.1; -; Genomic_DNA.
DR RefSeq; WP_055037303.1; NZ_LN907867.1.
DR AlphaFoldDB; A0A0H5BHF5; -.
DR STRING; 1079.BVIR_1758; -.
DR KEGG; bvr:BVIR_1758; -.
DR PATRIC; fig|1079.6.peg.1821; -.
DR OrthoDB; 9808167at2; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000065734; Chromosome I.
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:UP000065734};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 349..432
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT ACT_SITE 206
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-1"
FT BINDING 10..17
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 106
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 191
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
SQ SEQUENCE 436 AA; 45761 MW; 7EF90883E39E0219 CRC64;
MVDKLKVGLA GLGTVGSAVV RILQDKASQL AATVGRPVEL VAFCAKDIRD GSLDLSAVRR
VADPVALAAD PGIDVLVELM GGEGDPAKST VETALKSGKA VVTANKALIA AHGAALARLA
EDNGVAFNFE AAVAGGIPVI KTMREGLLAN RIDRVWGILN GTCNYILTRM FDEKLAFADC
LKEAQRLGYA EADPTFDIDG FDTAHKLAIL ASLAFGTEVD KDAIYVEGIR QISLADLEMA
DELGYRVKLL GVAVRTEAGI EQRVHPTMVP KDAPLAQVGS VTNAVKIDGD KVSLTLIGPG
AGGPATASAV VADLCDIARG NRVAPFGRPI ALMAKPQRAP MQQHAGGYYI RLAAVDKPGT
AATIARRMAD EQISLESIVQ RRRGHRAEPQ EPCSVPAPVV LITYATSEDA VRRALAAIES
DGVIVGAPQV IRIEQN
//
