ID U1HN29_ENDPU Unreviewed; 360 AA.
AC U1HN29;
DT 13-NOV-2013, integrated into UniProtKB/TrEMBL.
DT 13-NOV-2013, sequence version 1.
DT 27-MAR-2024, entry version 49.
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=EPUS_01660 {ECO:0000313|EMBL:ERF71745.1};
OS Endocarpon pusillum (strain Z07020 / HMAS-L-300199) (Lichen-forming
OS fungus).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Chaetothyriomycetidae; Verrucariales; Verrucariaceae; Endocarpon.
OX NCBI_TaxID=1263415 {ECO:0000313|EMBL:ERF71745.1, ECO:0000313|Proteomes:UP000019373};
RN [1] {ECO:0000313|Proteomes:UP000019373}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Z07020 / HMAS-L-300199 {ECO:0000313|Proteomes:UP000019373};
RX PubMed=24438332; DOI=10.1186/1471-2164-15-34;
RA Wang Y.-Y., Liu B., Zhang X.-Y., Zhou Q.-M., Zhang T., Li H., Yu Y.-F.,
RA Zhang X.-L., Hao X.-Y., Wang M., Wang L., Wei J.-C.;
RT "Genome characteristics reveal the impact of lichenization on lichen-
RT forming fungus Endocarpon pusillum Hedwig (Verrucariales, Ascomycota).";
RL BMC Genomics 15:34-34(2014).
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; KE721191; ERF71745.1; -; Genomic_DNA.
DR RefSeq; XP_007802456.1; XM_007804265.1.
DR AlphaFoldDB; U1HN29; -.
DR GeneID; 19236715; -.
DR eggNOG; KOG0455; Eukaryota.
DR HOGENOM; CLU_009116_0_1_1; -.
DR OMA; DWQSAFS; -.
DR OrthoDB; 5487989at2759; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000019373; 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:UP000019373};
KW Threonine biosynthesis {ECO:0000256|PIRNR:PIRNR036497,
KW ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 10..141
FT /note="Aspartate/homoserine dehydrogenase NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF03447"
FT DOMAIN 149..353
FT /note="Homoserine dehydrogenase catalytic"
FT /evidence="ECO:0000259|Pfam:PF00742"
FT ACT_SITE 222
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-1"
FT BINDING 10..15
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 90
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 114
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
FT BINDING 207
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036497-2"
SQ SEQUENCE 360 AA; 38286 MW; 1E0EE4B2D86AD7C4 CRC64;
MSRTYVAVLG VGGVGKAFLS QLSLLPDHLR PALIFLSRSS KNIVSKDYEP IQISQYPSSL
ASSSSPVLKL PEVAQFLSNA PGRSIVVDNT SSQDVAEAYP SFLSKGISVV TPNKKAFSSS
YGLWGDIFSA ASSTNAMVYH ESSVGAGLPV ISTLKDLVAT GDQVTRIEGV FSGTMSYLFN
TFSPADNEPS GSWSEIVAKA KEAGFTEPDP RDDLNGMDVA RKLTILARIA GLKVEGPTSF
PVQSLIPKEL ESASSAEEFM SKLPDHDKDM ERYKKEAKSA NKVVRYVGSI DVASGAVKVG
LQMVELGTPT ASLRGSDNLI CFYTQRYGAN PLVIQGAGAG AEVTAMGVTA DLLKVVERLR
//