ID A0A1H9LTI6_9EURY Unreviewed; 315 AA.
AC A0A1H9LTI6;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 22.
DE RecName: Full=homoserine dehydrogenase {ECO:0000256|ARBA:ARBA00013213};
DE EC=1.1.1.3 {ECO:0000256|ARBA:ARBA00013213};
GN ORFNames=SAMN04489841_3081 {ECO:0000313|EMBL:SER14736.1};
OS Natrinema salaciae.
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Natrialbales;
OC Natrialbaceae; Natrinema.
OX NCBI_TaxID=1186196 {ECO:0000313|EMBL:SER14736.1, ECO:0000313|Proteomes:UP000199114};
RN [1] {ECO:0000313|Proteomes:UP000199114}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 25055 {ECO:0000313|Proteomes:UP000199114};
RA Varghese N., Submissions S.;
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}.
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DR EMBL; FOFD01000004; SER14736.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H9LTI6; -.
DR STRING; 1186196.SAMN04489841_3081; -.
DR OrthoDB; 4488at2157; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000199114; 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 Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR InterPro; IPR005106; Asp/hSer_DH_NAD-bd.
DR InterPro; IPR001342; HDH_cat.
DR InterPro; IPR019811; HDH_CS.
DR InterPro; IPR022697; HDH_short.
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; PIRSF036497; HDH_short; 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 NADP {ECO:0000256|PIRSR:PIRSR036497-2};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002}.
FT DOMAIN 7..130
FT /note="Aspartate/homoserine dehydrogenase NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF03447"
FT DOMAIN 138..309
FT /note="Homoserine dehydrogenase catalytic"
FT /evidence="ECO:0000259|Pfam:PF00742"
FT REGION 286..315
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 205
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-1"
FT BINDING 7..12
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 106
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 190
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
SQ SEQUENCE 315 AA; 32426 MW; A352FFEE7798CB66 CRC64;
MRLAVLGAGD VGRAVADLAD EYGHEVVALA DSTSAAVDAS GIAVDDALER KIDGEAIGPG
DPEDVFETAY DVLIEATPTT LGDAEPGFSH VERALEADRH VVLANKGPVA ERYEELRALE
DESAGSIRFE ATVGGAIPVL STIEDSTPQA VTAVRGVLNG TANFILTRMA AEGLDYEHVL
AEAQDLGVAE ADPTFDVDGT DAALKFVILA NVLADGGFSL EDATVEGIQD IPGSALDLAA
EDGRTIRLIG EATRDGVRVG PRLVPENGAL AVTGTRNIVQ IETRNAGSLH SSGRGAGGPE
TATAVLSDVG RLPPL
//
