ID A9HCQ4_GLUDA Unreviewed; 451 AA.
AC A9HCQ4;
DT 05-FEB-2008, integrated into UniProtKB/TrEMBL.
DT 05-FEB-2008, sequence version 1.
DT 27-MAR-2024, entry version 85.
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 OrderedLocusNames=GDI1033 {ECO:0000313|EMBL:CAP54976.1};
OS Gluconacetobacter diazotrophicus (strain ATCC 49037 / DSM 5601 / CCUG 37298
OS / CIP 103539 / LMG 7603 / PAl5).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Acetobacteraceae; Gluconacetobacter.
OX NCBI_TaxID=272568 {ECO:0000313|EMBL:CAP54976.1, ECO:0000313|Proteomes:UP000001176};
RN [1] {ECO:0000313|EMBL:CAP54976.1, ECO:0000313|Proteomes:UP000001176}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49037 / DSM 5601 / CCUG 37298 / CIP 103539 / LMG 7603 /
RC PAl5 {ECO:0000313|Proteomes:UP000001176};
RX PubMed=19775431; DOI=10.1186/1471-2164-10-450;
RA Bertalan M., Albano R., Padua V., Rouws L., Rojas C., Hemerly A.,
RA Teixeira K., Schwab S., Araujo J., Oliveira A., Franca L., Magalhaes V.,
RA Alqueres S., Cardoso A., Almeida W., Loureiro M.M., Nogueira E., Cidade D.,
RA Oliveira D., Simao T., Macedo J., Valadao A., Dreschsel M., Freitas F.,
RA Vidal M., Guedes H., Rodrigues E., Meneses C., Brioso P., Pozzer L.,
RA Figueiredo D., Montano H., Junior J., Filho G., Flores V., Ferreira B.,
RA Branco A., Gonzalez P., Guillobel H., Lemos M., Seibel L., Macedo J.,
RA Alves-Ferreira M., Sachetto-Martins G., Coelho A., Santos E., Amaral G.,
RA Neves A., Pacheco A.B., Carvalho D., Lery L., Bisch P., Rossle S.C.,
RA Urmenyi T., Kruger W.V., Martins O., Baldani J.I., Ferreira P.C.;
RT "Complete genome sequence of the sugarcane nitrogen-fixing endophyte
RT Gluconacetobacter diazotrophicus Pal5.";
RL BMC Genomics 10:450-450(2009).
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; AM889285; CAP54976.1; -; Genomic_DNA.
DR AlphaFoldDB; A9HCQ4; -.
DR KEGG; gdi:GDI1033; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000001176; Chromosome.
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 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 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:PIRSR000098-2, ECO:0000256|RuleBase:RU000579};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU000579};
KW Reference proteome {ECO:0000313|Proteomes:UP000001176};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 366..447
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT ACT_SITE 222
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-1"
FT BINDING 25..32
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 122
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 207
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
SQ SEQUENCE 451 AA; 47036 MW; A73D12FDF863981A CRC64;
MPRTTTGHQV TGRNMNADEL RIGIAGLGTV GAGLVKLLRA NESIVAARAG RRVVVTAVAA
RDRTRDRGID LGGVTWHDDA LALARDPDVD VVVELIGGAE GIARELVTAA LRAGRPVVTA
NKALIAVHGA ELAELAELSG VPLMFEAAVA GGIPAIKAVR EGLAADRLTR VGGILNGTCN
YIMTAMRESG RPFADVLAEA QALGYAEADP STDVDGIDAA HKLAILAGLA FGRPVAFSSV
HVEGIRGIDA LDLGFARALG YRIKLLGLAR RREDGIEARV HPCLVPEKAP IAQVDGVFNA
VVAEGAFVGR LMLEGRGAGE GPTATAVAAD LIDIARGIAV PVWGRSADGL TQVEALPRTA
FHEEYYLRLN VHDRPGVIAD VTAVLRDHGV SLRSMLQHGR AGADDTSGEP SVPLVLVTHR
TRESAMMEAL ARIAALPAVI GEPAMIRIEA G
//
