ID A0A086YPJ1_9FIRM Unreviewed; 433 AA.
AC A0A086YPJ1;
DT 29-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 29-OCT-2014, sequence version 1.
DT 08-NOV-2023, entry version 32.
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 ORFNames=DK28_0205440 {ECO:0000313|EMBL:KFD42461.1};
OS Peptococcaceae bacterium SCADC1_2_3.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Peptococcaceae.
OX NCBI_TaxID=1487582 {ECO:0000313|EMBL:KFD42461.1, ECO:0000313|Proteomes:UP000027084};
RN [1] {ECO:0000313|EMBL:KFD42461.1, ECO:0000313|Proteomes:UP000027084}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SCADC1_2_3 {ECO:0000313|EMBL:KFD42461.1};
RA Tan B.F., Charchuk R., Li C., Nesbo C., Abu-Laban N., Foght J.;
RL Submitted (APR-2014) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:KFD42461.1, ECO:0000313|Proteomes:UP000027084}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SCADC1_2_3 {ECO:0000313|EMBL:KFD42461.1};
RA Tan B., Charchuk R., Li C., Nesbo C., Abu-Laban N., Foght J.;
RT "Draft genome sequence of an unculturable Firmicutes affiliated with
RT Peptococcaceae sorted using a microfluidic device from methanogenic alkane-
RT degrading cultures.";
RL Submitted (JUL-2014) to the EMBL/GenBank/DDBJ databases.
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KFD42461.1}.
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DR EMBL; JJNX02000002; KFD42461.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A086YPJ1; -.
DR STRING; 1487582.HY00_06135; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000027084; Unassembled WGS sequence.
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:UP000027084};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 353..430
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT ACT_SITE 208
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-1"
FT BINDING 108
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 193
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
SQ SEQUENCE 433 AA; 46988 MW; 1FE56C470EA76B6D CRC64;
MCLFPIIKVG LLGLGTVGQG TYRILTGNKD NLTQKVGAEI KVTRILVRDL AKDRGMELDP
ALLTKDYRDI LEDPEIEIVV ELIGGLEPAL NYVLSALERG KSVVTANKDL LALHGKELFE
AAAAGKADLL FEGSVAGGIP IIRPLKQCLA ANQIKEVMGI INGTTNYILT KMSYQGVDFT
NALLEAQELG YAERDPTADI EGLDAARKIA ILASIAFNTR VLINDVYVEG ITRITARDIN
YARELNYAVK LLGMAKETPE GVEVRVHPAL IPQSHPLAAV NGVFNAIFIR GDAAGDTMFY
GQGAGALPTG SAVVADIMDA ARHRLYKVPG IIKCTCYAQK PIKPIGEVEC KYYLRLIVDD
RPGVLASIAY AFGDKKVSLA SVIQKLNLDQ QAEIVLVTHR VKEQNFRAAL NLISQLSAVK
EVCNFIRVEG EET
//
