ID A0A1H6XPU2_9BURK Unreviewed; 440 AA.
AC A0A1H6XPU2;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 20.
DE RecName: Full=homoserine dehydrogenase {ECO:0000256|ARBA:ARBA00013213};
DE EC=1.1.1.3 {ECO:0000256|ARBA:ARBA00013213};
GN ORFNames=SAMN05518853_1011311 {ECO:0000313|EMBL:SEJ31101.1};
OS Variovorax sp. OK202.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Variovorax.
OX NCBI_TaxID=1884311 {ECO:0000313|EMBL:SEJ31101.1, ECO:0000313|Proteomes:UP000199192};
RN [1] {ECO:0000313|EMBL:SEJ31101.1, ECO:0000313|Proteomes:UP000199192}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=OK202 {ECO:0000313|EMBL:SEJ31101.1,
RC ECO:0000313|Proteomes:UP000199192};
RA de Groot N.N.;
RL Submitted (OCT-2016) 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 -!- SIMILARITY: Belongs to the homoserine dehydrogenase family.
CC {ECO:0000256|ARBA:ARBA00006753, ECO:0000256|RuleBase:RU004171}.
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DR EMBL; FNZJ01000001; SEJ31101.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H6XPU2; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000199192; 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: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 NADP {ECO:0000256|PIRSR:PIRSR000098-2};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002}.
FT DOMAIN 355..435
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 440 AA; 46562 MW; 12F7CE4C48A4ECFF CRC64;
MKPIQVGLLG AGTVGSGTFK VLQRNQEEIK RRAGRGIEIT MVADLDTARA REVAGEGVKV
VADAREIIAN PDIDIVIELI GGYGIAKQLV LEAIAAGKHV VTANKALLAV HGTEIFAAAH
AKGVMVAFEA AVAGGIPIIK ALREGLTANS IQWLAGIING TTNFILSEMR DKGLDFATVL
KEAQRLGYAE ADPTFDIEGV DAGHKVTLMS AIAFGIPVQF DKAHIEGITK LAAQDIKYAE
QLGYRIKLLG VTKRTAKGIE LRVHPSLVPS KRLLANVEGA MNAVVVHGDA VGTTLYYGKG
AGSEPTASAV IADLVDITRL HTADAAHRVP HLAFHPDAMS DLKVLPMSEV VTSYYLRLRV
ADQAGVLAKV TGLLATAGIS IDAVLQREAD EVGGEGSTQT DLIILTHDAR EGTVNDVMAE
LQALPTVLEP IVRIRKEELS
//