ID D8LHG9_ECTSI Unreviewed; 434 AA.
AC D8LHG9;
DT 05-OCT-2010, integrated into UniProtKB/TrEMBL.
DT 05-OCT-2010, sequence version 1.
DT 24-JAN-2024, entry version 49.
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 Name=HSDH {ECO:0000313|EMBL:CBN79120.1};
GN ORFNames=Esi_0192_0023 {ECO:0000313|EMBL:CBN79120.1};
OS Ectocarpus siliculosus (Brown alga) (Conferva siliculosa).
OC Eukaryota; Sar; Stramenopiles; Ochrophyta; PX clade; Phaeophyceae;
OC Ectocarpales; Ectocarpaceae; Ectocarpus.
OX NCBI_TaxID=2880 {ECO:0000313|EMBL:CBN79120.1, ECO:0000313|Proteomes:UP000002630};
RN [1] {ECO:0000313|EMBL:CBN79120.1, ECO:0000313|Proteomes:UP000002630}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Ec32 / CCAP1310/4 {ECO:0000313|Proteomes:UP000002630};
RX PubMed=20520714; DOI=10.1038/nature09016;
RA Cock J.M., Sterck L., Rouze P., Scornet D., Allen A.E., Amoutzias G.,
RA Anthouard V., Artiguenave F., Aury J.M., Badger J.H., Beszteri B.,
RA Billiau K., Bonnet E., Bothwell J.H., Bowler C., Boyen C., Brownlee C.,
RA Carrano C.J., Charrier B., Cho G.Y., Coelho S.M., Collen J., Corre E.,
RA Da Silva C., Delage L., Delaroque N., Dittami S.M., Doulbeau S., Elias M.,
RA Farnham G., Gachon C.M., Gschloessl B., Heesch S., Jabbari K., Jubin C.,
RA Kawai H., Kimura K., Kloareg B., Kupper F.C., Lang D., Le Bail A.,
RA Leblanc C., Lerouge P., Lohr M., Lopez P.J., Martens C., Maumus F.,
RA Michel G., Miranda-Saavedra D., Morales J., Moreau H., Motomura T.,
RA Nagasato C., Napoli C.A., Nelson D.R., Nyvall-Collen P., Peters A.F.,
RA Pommier C., Potin P., Poulain J., Quesneville H., Read B., Rensing S.A.,
RA Ritter A., Rousvoal S., Samanta M., Samson G., Schroeder D.C., Segurens B.,
RA Strittmatter M., Tonon T., Tregear J.W., Valentin K., von Dassow P.,
RA Yamagishi T., Van de Peer Y., Wincker P.;
RT "The Ectocarpus genome and the independent evolution of multicellularity in
RT brown algae.";
RL Nature 465:617-621(2010).
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; FN648367; CBN79120.1; -; Genomic_DNA.
DR AlphaFoldDB; D8LHG9; -.
DR STRING; 2880.D8LHG9; -.
DR EnsemblProtists; CBN79120; CBN79120; Esi_0192_0023.
DR InParanoid; D8LHG9; -.
DR OMA; QNGWSYE; -.
DR OrthoDB; 36182at2759; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000002630; Chromosome LG23.
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; 3.30.70.260; -; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
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; PF00742; Homoserine_dh; 1.
DR Pfam; PF03447; NAD_binding_3; 1.
DR PIRSF; PIRSF000098; Homoser_dehydrog; 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:UP000002630};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 11..119
FT /note="Aspartate/homoserine dehydrogenase NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF03447"
FT DOMAIN 140..320
FT /note="Homoserine dehydrogenase catalytic"
FT /evidence="ECO:0000259|Pfam:PF00742"
SQ SEQUENCE 434 AA; 44845 MW; 8684DE88C37BB93F CRC64;
MSLPLKVGMF GGGTVGGGVY EIMEQTKKEL FKAGGVDVTI AKICVRDVNK KRSFELEKHT
TMVTDYDEIL EDDSINCVVE LMGGVTHAKD VVFKALKKGK HVVTANKALL AQLLPEVKSL
VAENAGTTLG YEAAVCGGIP IIHNMQGSYV GDSIQSVMGI MNGTTNFMLT KMETEGADYA
AVLKEAQDLG FAEADPTADV EGHDVQAKIA LLAKLAFGQD VALDKVPCAG ISNLSSTDFA
CAKMMGCTIK LVGTAALGES KDKLAVFVSP VLVPLGGPLA STRGPGNVVV VRSENLTESV
YAGPGAGRYP TANSVVNDIV RLARLGAAGT PPPFPLERPL ELEPDFEACF YVRVTAADGL
GVLSAVGAIA SEAGVSVHSV LRGGEGGGGG GEEAGVVSLV VKTDSCLRSQ VGAFVDGLKG
KKVATADPVV MSIL
//
