ID A0A3S5CX63_9PEZI Unreviewed; 368 AA.
AC A0A3S5CX63;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 10-APR-2019, sequence version 1.
DT 08-NOV-2023, entry version 18.
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=TT172_LOCUS5593 {ECO:0000313|EMBL:SPQ23174.1};
OS Thermothielavioides terrestris.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Sordariomycetes;
OC Sordariomycetidae; Sordariales; Chaetomiaceae; Thermothielavioides.
OX NCBI_TaxID=2587410 {ECO:0000313|EMBL:SPQ23174.1, ECO:0000313|Proteomes:UP000289323};
RN [1] {ECO:0000313|EMBL:SPQ23174.1, ECO:0000313|Proteomes:UP000289323}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Huttner S., Dainat J.;
RL Submitted (APR-2018) to the EMBL/GenBank/DDBJ databases.
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; OUUZ01000010; SPQ23174.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A3S5CX63; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000289323; 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 Threonine biosynthesis {ECO:0000256|PIRNR:PIRNR036497,
KW ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 15..149
FT /note="Aspartate/homoserine dehydrogenase NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF03447"
FT DOMAIN 157..361
FT /note="Homoserine dehydrogenase catalytic"
FT /evidence="ECO:0000259|Pfam:PF00742"
FT ACT_SITE 230
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-1"
FT BINDING 15..20
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 98
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 122
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 215
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
SQ SEQUENCE 368 AA; 38890 MW; D03234BB1172356B CRC64;
MAATSVRQVN IAIIGLGGVG KCFLSQLEQL AARRPSPKLV VTYICTSKKA LYSTDHVAID
FRDLPSTLAA SPHAPLPLPK LADFLGTSGS KTVLVDNTSS QDVADAYPLF LGRGISIVTP
NKKAFSGPYK LWQDIFAAAA QSGAKVYHES SVGAGLPVIS TLKDLVDTGD EVTKIEGVFS
GTMSFLFNSF APASGSGGGR WSAEVKKAKE LGYTEPDPRD DLNGLDVARK LTILARLAGL
PVESPTSFPV QSLIPKELES AASGDEFLEK LPAFDAQMEE TKAEAEREGK VVRFVGSIDV
ATKQVRVGLE KFDLSHPIAA LKGSDNIISF YTKRYGSNPL IIQGAGAGGD VTAMGVTSDL
LKVLSQIA
//
