ID C1N597_MICPC Unreviewed; 425 AA.
AC C1N597;
DT 26-MAY-2009, integrated into UniProtKB/TrEMBL.
DT 26-MAY-2009, sequence version 1.
DT 27-MAR-2024, entry version 72.
DE RecName: Full=Homoserine dehydrogenase {ECO:0000256|ARBA:ARBA00013213, ECO:0000256|PIRNR:PIRNR036497};
DE Short=HDH {ECO:0000256|PIRNR:PIRNR036497};
DE EC=1.1.1.3 {ECO:0000256|ARBA:ARBA00013213, ECO:0000256|PIRNR:PIRNR036497};
GN ORFNames=MICPUCDRAFT_66967 {ECO:0000313|EMBL:EEH52869.1};
OS Micromonas pusilla (strain CCMP1545) (Picoplanktonic green alga).
OC Eukaryota; Viridiplantae; Chlorophyta; Mamiellophyceae; Mamiellales;
OC Mamiellaceae; Micromonas.
OX NCBI_TaxID=564608 {ECO:0000313|Proteomes:UP000001876};
RN [1] {ECO:0000313|EMBL:EEH52869.1, ECO:0000313|Proteomes:UP000001876}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCMP1545 {ECO:0000313|EMBL:EEH52869.1,
RC ECO:0000313|Proteomes:UP000001876};
RX PubMed=19359590; DOI=10.1126/science.1167222;
RA Worden A.Z., Lee J.H., Mock T., Rouze P., Simmons M.P., Aerts A.L.,
RA Allen A.E., Cuvelier M.L., Derelle E., Everett M.V., Foulon E.,
RA Grimwood J., Gundlach H., Henrissat B., Napoli C., McDonald S.M.,
RA Parker M.S., Rombauts S., Salamov A., Von Dassow P., Badger J.H.,
RA Coutinho P.M., Demir E., Dubchak I., Gentemann C., Eikrem W., Gready J.E.,
RA John U., Lanier W., Lindquist E.A., Lucas S., Mayer K.F., Moreau H.,
RA Not F., Otillar R., Panaud O., Pangilinan J., Paulsen I., Piegu B.,
RA Poliakov A., Robbens S., Schmutz J., Toulza E., Wyss T., Zelensky A.,
RA Zhou K., Armbrust E.V., Bhattacharya D., Goodenough U.W., Van de Peer Y.,
RA Grigoriev I.V.;
RT "Green evolution and dynamic adaptations revealed by genomes of the marine
RT picoeukaryotes Micromonas.";
RL Science 324:268-272(2009).
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|PIRNR:PIRNR036497,
CC 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|ARBA:ARBA00005062, ECO:0000256|RuleBase:RU000579}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC from L-aspartate: step 3/5. {ECO:0000256|ARBA:ARBA00005056,
CC ECO:0000256|RuleBase:RU000579}.
CC -!- SIMILARITY: Belongs to the homoserine dehydrogenase family.
CC {ECO:0000256|PIRNR:PIRNR036497, ECO:0000256|RuleBase:RU004171}.
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DR EMBL; GG663747; EEH52869.1; -; Genomic_DNA.
DR RefSeq; XP_003062930.1; XM_003062884.1.
DR AlphaFoldDB; C1N597; -.
DR STRING; 564608.C1N597; -.
DR GeneID; 9688573; -.
DR KEGG; mpp:MICPUCDRAFT_66967; -.
DR eggNOG; ENOG502QQBK; Eukaryota.
DR OMA; CEYLQKA; -.
DR OrthoDB; 5487989at2759; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000001876; Unassembled WGS sequence.
DR GO; GO:0004072; F:aspartate kinase activity; IEA:InterPro.
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; IPR011147; Bifunc_aspartokin/hSer_DH.
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; PTHR43070; -; 1.
DR PANTHER; PTHR43070:SF5; 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|ARBA:ARBA00022605,
KW ECO:0000256|PIRNR:PIRNR036497};
KW Branched-chain amino acid biosynthesis {ECO:0000256|PIRNR:PIRNR036497,
KW ECO:0000256|RuleBase:RU000579};
KW Isoleucine biosynthesis {ECO:0000256|PIRNR:PIRNR036497,
KW ECO:0000256|RuleBase:RU000579};
KW Methionine biosynthesis {ECO:0000256|PIRNR:PIRNR036497,
KW ECO:0000256|RuleBase:RU000579};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|PIRNR:PIRNR036497};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR036497};
KW Reference proteome {ECO:0000313|Proteomes:UP000001876};
KW Threonine biosynthesis {ECO:0000256|PIRNR:PIRNR036497,
KW ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 49..201
FT /note="Aspartate/homoserine dehydrogenase NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF03447"
FT DOMAIN 210..412
FT /note="Homoserine dehydrogenase catalytic"
FT /evidence="ECO:0000259|Pfam:PF00742"
FT REGION 1..34
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 15..30
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 280
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-1"
FT BINDING 49..54
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 151
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 175
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 265
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
SQ SEQUENCE 425 AA; 43352 MW; 7B9B0FA311E24324 CRC64;
MRSAALLARA HPRVHAQASS TSTKTKPAPA KTLSRASMKT VPLHVGFVGT GLIGGVAVKQ
VASRAGTLLE QTGLDLKLAG ATDSKSMILA SDPAAGLAND AVTGGADGAV ADWNAEALSG
EISPCDLDAF AAALRERAEA TGAHAVIVDN TSSEAVADRY EGWLASGVHV VTPNKKANSG
DLKRFKAIRT AATSSGAKWL CEGTIGAGLP IVSTLRTLRA SGDEIRSVQG VFSGTMSFLF
NTWDPAGGQP FSEVVLAAKA AGFTEPDPRD DLNGMDVARK VVIAARESGV DLELADVTTR
SLVPPSLESC DAAEYVSRMA EFDGDIAKEA ADAASRGNVL RFVGKVDVEK GVGSVELGEF
PKTHPFAGLQ GADNVVEIQS SRYSAVGGST PLIVRGPGAG AAVTAGGVFG DLCKLGAQLG
ASVLI
//
