ID W4LS99_9BACT Unreviewed; 439 AA.
AC W4LS99;
DT 19-MAR-2014, integrated into UniProtKB/TrEMBL.
DT 19-MAR-2014, sequence version 1.
DT 27-MAR-2024, entry version 37.
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=ETSY2_38140 {ECO:0000313|EMBL:ETX00919.1};
OS Candidatus Entotheonella gemina.
OC Bacteria; Nitrospinae/Tectomicrobia group; Candidatus Tectomicrobia;
OC Entotheonella.
OX NCBI_TaxID=1429439 {ECO:0000313|EMBL:ETX00919.1, ECO:0000313|Proteomes:UP000019140};
RN [1] {ECO:0000313|EMBL:ETX00919.1, ECO:0000313|Proteomes:UP000019140}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TSY2 {ECO:0000313|Proteomes:UP000019140};
RX PubMed=24476823; DOI=10.1038/nature12959;
RA Wilson M.C., Mori T., Ruckert C., Uria A.R., Helf M.J., Takada K.,
RA Gernert C., Steffens U.A., Heycke N., Schmitt S., Rinke C., Helfrich E.J.,
RA Brachmann A.O., Gurgui C., Wakimoto T., Kracht M., Crusemann M.,
RA Hentschel U., Abe I., Matsunaga S., Kalinowski J., Takeyama H., Piel J.;
RT "An environmental bacterial taxon with a large and distinct metabolic
RT repertoire.";
RL Nature 506:58-62(2014).
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:ETX00919.1}.
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DR EMBL; AZHX01001679; ETX00919.1; -; Genomic_DNA.
DR AlphaFoldDB; W4LS99; -.
DR PATRIC; fig|1429439.4.peg.6427; -.
DR HOGENOM; CLU_009116_1_0_7; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000019140; 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:UP000019140};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 355..438
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT ACT_SITE 205
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-1"
FT BINDING 9..16
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 105
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 190
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
SQ SEQUENCE 439 AA; 47205 MW; D03638E93F2E788E CRC64;
MQTIQIGLLG LGNVGTGVVQ ILQQQAVLIA QRLGTELALK KVATRTPDRP REVTLQAGQL
SGDVMDVLRD PEIGIVIELI GGYEPARTYI LEALQQGKHV VTANKAVLAQ HGQELFEAAR
HHGVDIGFEA SVGGGIPIIR TIKEAFVANR FVTIASIING TTNYILSRMS DQGLRFEEAL
KEAQDLGFAE ADPSFDVDGI DAAQKISLLA SLAYGTWVRQ EDVYTEGITK VTQLDIAYAR
ELGYCVKLLA LAKRDGDRLG VRVHPALVAA EAELASVQGS YNAVSVTGDM VGRNLLIGRG
AGAFPTGSAV VGDVVDVARN ILRSSSGRVP PQGYETLYEN ELSLQDIDDI TCKYYLRFQV
LDQPGVLSAI AGILGEQGIS IETVIQKGRS ADQSDTVSVV MMTHEAKEQA VRRALEAIQT
LPRVQGETMR IRVEDSGAD
//
