ID Q2YM74_BRUA2 Unreviewed; 439 AA.
AC Q2YM74;
DT 07-FEB-2006, integrated into UniProtKB/TrEMBL.
DT 07-FEB-2006, sequence version 1.
DT 27-MAR-2024, entry version 107.
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 OrderedLocusNames=BAB1_1293 {ECO:0000313|EMBL:CAJ11249.1};
OS Brucella abortus (strain 2308).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX NCBI_TaxID=359391 {ECO:0000313|EMBL:CAJ11249.1, ECO:0000313|Proteomes:UP000002719};
RN [1] {ECO:0000313|EMBL:CAJ11249.1, ECO:0000313|Proteomes:UP000002719}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2308 {ECO:0000313|EMBL:CAJ11249.1,
RC ECO:0000313|Proteomes:UP000002719};
RX PubMed=16299333; DOI=10.1128/IAI.73.12.8353-8361.2005;
RG Microbial Genomics Group;
RG Lawrence Livermore National Laboratory;
RG and the Genome Analysis Group;
RG Oak Ridge National Laboratory;
RA Chain P., Comerci D.J., Tolmasky M.E., Larimer F.W., Malfatti S.,
RA Vergez L.M., Aguero F., Land M.L., Ugalde R.A., Garcia E.;
RT "Whole-genome analyses of speciation events in pathogenic Brucellae.";
RL Infect. Immun. 73:8353-8361(2005).
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}.
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DR EMBL; AM040264; CAJ11249.1; -; Genomic_DNA.
DR RefSeq; WP_002964394.1; NZ_KN046823.1.
DR AlphaFoldDB; Q2YM74; -.
DR STRING; 359391.BAB1_1293; -.
DR GeneID; 3787876; -.
DR KEGG; bmf:BAB1_1293; -.
DR PATRIC; fig|359391.11.peg.742; -.
DR HOGENOM; CLU_009116_1_0_5; -.
DR PhylomeDB; Q2YM74; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000002719; Chromosome I.
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:UP000002719};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 355..439
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT ACT_SITE 207
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-1"
FT BINDING 10..17
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 107
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 192
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
SQ SEQUENCE 439 AA; 46783 MW; 065CB7F7FFE743D5 CRC64;
MSDALRIGVA GLGTVGASVL RILRDKSEML TRQCGKPVTV TAVSARDRNR DRGIDLSGIA
WFDDPVELAK SAEIDLFIEL IGGEDGPAKA SVEAALRAGR HAVTANKALL ARHGVALARI
AEEKGVLLNF EAAVAGGIPV IKAMRESLTG NTVSRVYGIM NGTCNYILTR MWEEGISFES
CLKDAQRLGY AEADPTFDIE GNDTAHKLAL LTSLAFGTQI AADDIYLEGI SNISLADIRA
ADELGYRIKL LGVAQKTDTG IEQRVHPTMV PTSSVIAQVH GVTNAVAIET DLLGELLLSG
PGAGGNATAS AVIGDVADIA KSRPGFQHGP VFGTPAKALQ PYNRAKMRKH AGGYFIRLTV
HDRIGAFAAI ARRMAENDIS LESIVQRPPM DDAPREGVKT VILVTHETTE SAVKKALEAI
LKDDHLVDKP QMIRIERAG
//
