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Database: UniProt
Entry: A0A257G3R6_9BURK
LinkDB: A0A257G3R6_9BURK
Original site: A0A257G3R6_9BURK 
ID   A0A257G3R6_9BURK        Unreviewed;       447 AA.
AC   A0A257G3R6;
DT   20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT   20-DEC-2017, sequence version 1.
DT   16-JAN-2019, entry version 5.
DE   RecName: Full=Homoserine dehydrogenase {ECO:0000256|RuleBase:RU000579};
DE            EC=1.1.1.3 {ECO:0000256|RuleBase:RU000579};
GN   ORFNames=CFE39_00630 {ECO:0000313|EMBL:OYU32984.1};
OS   Comamonadaceae bacterium PBBC2.
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Comamonadaceae.
OX   NCBI_TaxID=2015581 {ECO:0000313|EMBL:OYU32984.1, ECO:0000313|Proteomes:UP000215754};
RN   [1] {ECO:0000313|EMBL:OYU32984.1, ECO:0000313|Proteomes:UP000215754}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PBBC2 {ECO:0000313|EMBL:OYU32984.1};
RA   Kojadinovic M., Villain A., Puppo C., Fon Sing S., Prioretti L.,
RA   Hubert P., Gregori G., Zhang Y., Sassi J.-F., Claverie J.-M.,
RA   Blanc G., Gontero B.;
RT   "A metagenomic investigation of the 'star' freshwater diatom
RT   Asterionella formosa and its bacterial cohort.";
RL   Submitted (JUN-2017) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-homoserine + NADP(+) = H(+) + L-aspartate 4-
CC         semialdehyde + NADPH; Xref=Rhea:RHEA:15761, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:57476, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC         ChEBI:CHEBI:537519; EC=1.1.1.3;
CC         Evidence={ECO:0000256|RuleBase:RU000579};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de
CC       novo pathway; L-homoserine from L-aspartate: step 3/3.
CC       {ECO:0000256|RuleBase:RU000579}.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-
CC       threonine from L-aspartate: step 3/5.
CC       {ECO:0000256|RuleBase:RU000579}.
CC   -!- SIMILARITY: Belongs to the homoserine dehydrogenase family.
CC       {ECO:0000256|RuleBase:RU004171}.
CC   -!- CAUTION: The sequence shown here is derived from an
CC       EMBL/GenBank/DDBJ whole genome shotgun (WGS) entry which is
CC       preliminary data. {ECO:0000313|EMBL:OYU32984.1}.
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DR   EMBL; NKIO01000001; OYU32984.1; -; Genomic_DNA.
DR   UniPathway; UPA00050; UER00063.
DR   UniPathway; UPA00051; UER00465.
DR   Proteomes; UP000215754; 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   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   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; SSF51735; SSF51735; 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
KW   {ECO:0000256|RuleBase:RU000579};
KW   Complete proteome {ECO:0000313|Proteomes:UP000215754};
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|RuleBase:RU000579,
KW   ECO:0000313|EMBL:OYU32984.1};
KW   Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT   DOMAIN      362    442       ACT. {ECO:0000259|PROSITE:PS51671}.
FT   NP_BIND       9     16       NADP. {ECO:0000256|PIRSR:PIRSR000098-2}.
FT   ACT_SITE    205    205       Proton donor. {ECO:0000256|PIRSR:
FT                                PIRSR000098-1}.
FT   BINDING     105    105       NADP. {ECO:0000256|PIRSR:PIRSR000098-2}.
FT   BINDING     190    190       Substrate. {ECO:0000256|PIRSR:
FT                                PIRSR000098-2}.
SQ   SEQUENCE   447 AA;  47198 MW;  4275D836FD98A059 CRC64;
     MKPIQVGLLG IGTVGSGTFN VLQRNQHDIQ GRAGRGIEIT MVADLDVARA QSIVGPDVKV
     VNDARAVIAN PDIDIVIELI GGYGIAKQLV MEAIAAGKHV VTANKALLAV HGTEIFAAAS
     AKGVMVMFEA AVAGGIPIIK ALREGLTANR IQWIAGIING TTNFILSEMR DKGLDFDVVL
     KEAQRLGYAE ADPTFDIEGV DAAHKVTLMS AIAFGIPVQF DKAHVEGITK LGAADIKYAE
     QLGYRIKLLG IAKRRQATAT NGTEGIELRV HPTLIPAKRL IANVEGAMNA VVVNGDAVGT
     TLYYGKGAGS EPTASAVIAD LVDIARLHTA NAAQRVPHLA FQPQSMSDTP VLPMGDVVTS
     YYLRLRVADQ TGVLAMVTGL LASADISIDA MLQREADEVS GEGGTQTDLI ILTHACQESR
     MDKALALMQA LPTVLAPIVR IRKEELA
//
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