ID A0A0B0IM86_9BACI Unreviewed; 409 AA.
AC A0A0B0IM86;
DT 04-MAR-2015, integrated into UniProtKB/TrEMBL.
DT 04-MAR-2015, sequence version 1.
DT 24-JAN-2024, entry version 32.
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=LQ50_01470 {ECO:0000313|EMBL:KHF41987.1};
OS Halalkalibacter okhensis.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Halalkalibacter.
OX NCBI_TaxID=333138 {ECO:0000313|EMBL:KHF41987.1, ECO:0000313|Proteomes:UP000030832};
RN [1] {ECO:0000313|EMBL:KHF41987.1, ECO:0000313|Proteomes:UP000030832}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Kh10-101T {ECO:0000313|Proteomes:UP000030832};
RA Prakash J.S.;
RT "Genome sequencing and annotation of Bacillus Okhensis strain Kh10-101T.";
RL Submitted (SEP-2014) 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}.
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:KHF41987.1}.
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DR EMBL; JRJU01000001; KHF41987.1; -; Genomic_DNA.
DR RefSeq; WP_034625210.1; NZ_JRJU01000001.1.
DR AlphaFoldDB; A0A0B0IM86; -.
DR STRING; 333138.LQ50_01470; -.
DR eggNOG; COG0460; Bacteria.
DR OrthoDB; 9808167at2; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000030832; 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; 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 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|RuleBase:RU000579};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU000579};
KW Reference proteome {ECO:0000313|Proteomes:UP000030832};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 8..122
FT /note="Aspartate/homoserine dehydrogenase NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF03447"
FT DOMAIN 134..312
FT /note="Homoserine dehydrogenase catalytic"
FT /evidence="ECO:0000259|Pfam:PF00742"
SQ SEQUENCE 409 AA; 45297 MW; E4D19CA928CF9BFF CRC64;
MLRVGLIGFG TVGSGVYERI TNSKDKLKQL LGKEVEIAAI LVKDRQKQRT ADVDAFVTTS
WEQFCNKANF DIIFEAIGGI EPALSYTAEW LERGVPVVTA NKKLVAEKGQ ILEGLADQHS
TYYGYEAAVA GGIPIINALK GTLATTAISR VSGILNGTTN YMLTEMIEHH RGFADVLLEA
QELGYAESDP TDDLEGFDAW YKIRILSRLC FGSWPLANEF PRKGVSAIKD WHVEVGERIG
FKIKLIAEAW HDGTQVRGSV KPAFLTQTEQ LASVRGVTNG ISIEGESINQ LLFIGPGAGK
EATANSMVED FLFNERTKHS ERGWGVGSEV QNEQLTHSFV FLTPAERETA LQWVKENQIA
VMDTYSHHEG EGWIIERTDS TPFETYPIYG DVSTRRRVEA IHSAQFGSF
//