ID A0A1H2UQC5_9BACL Unreviewed; 347 AA.
AC A0A1H2UQC5;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 24-JAN-2024, entry version 22.
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 ORFNames=SAMN04489725_108106 {ECO:0000313|EMBL:SDW58270.1};
OS Alicyclobacillus hesperidum.
OC Bacteria; Bacillota; Bacilli; Bacillales; Alicyclobacillaceae;
OC Alicyclobacillus.
OX NCBI_TaxID=89784 {ECO:0000313|EMBL:SDW58270.1, ECO:0000313|Proteomes:UP000182589};
RN [1] {ECO:0000313|Proteomes:UP000182589}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 12489 {ECO:0000313|Proteomes:UP000182589};
RA Varghese 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 -!- 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; FNOJ01000008; SDW58270.1; -; Genomic_DNA.
DR RefSeq; WP_074693143.1; NZ_FNOJ01000008.1.
DR AlphaFoldDB; A0A1H2UQC5; -.
DR STRING; 89784.SAMN04489725_108106; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000182589; 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 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 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:PIRSR036497-2, ECO:0000256|RuleBase:RU000579};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU000579};
KW Reference proteome {ECO:0000313|Proteomes:UP000182589};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 11..122
FT /note="Aspartate/homoserine dehydrogenase NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF03447"
FT DOMAIN 135..337
FT /note="Homoserine dehydrogenase catalytic"
FT /evidence="ECO:0000259|Pfam:PF00742"
FT ACT_SITE 203
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-1"
FT BINDING 11..16
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 103
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 188
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
SQ SEQUENCE 347 AA; 37160 MW; 9197994F7DE5252B CRC64;
MANQVRLGIV GCGVIGSGVL RVLADRKGAW EGVQLAATHI AVRHLERPRP EYVPRHLLTD
DWRIVCEADD VDIVIEVMGG IDVAHDVVRH ALENGKSVVT ANKALMALYG EELRDLASKR
GLFLRHEASV LGGIPVLHTL HTYFELNRVQ SLRGIVNGTC NYILTRMWET GAPFAEALQE
AQALGYAEPD PAADVEGFDA YYKLQILLQA LRVDTHLLQT EFVADGQPFV GAANSGKPLA
TLTKPRRGID SVDAAQIEAA RRAGAKVKHV ASAVWGEDGI VHCTVGPQVL QPDDPLYFVD
GVNNAIAITG DVVGTITLIG PGAGALPTAS AVLEDVLQIV RESADKG
//
