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ILVD_VEREI
ID   ILVD_VEREI              Reviewed;         568 AA.
AC   A1WMU5;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 85.
DE   RecName: Full=Dihydroxy-acid dehydratase {ECO:0000255|HAMAP-Rule:MF_00012};
DE            Short=DAD {ECO:0000255|HAMAP-Rule:MF_00012};
DE            EC=4.2.1.9 {ECO:0000255|HAMAP-Rule:MF_00012};
GN   Name=ilvD {ECO:0000255|HAMAP-Rule:MF_00012}; OrderedLocusNames=Veis_3222;
OS   Verminephrobacter eiseniae (strain EF01-2).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Comamonadaceae; Verminephrobacter.
OX   NCBI_TaxID=391735;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=EF01-2;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Dalin E., Tice H., Pitluck S., Chertkov O., Brettin T.,
RA   Bruce D., Han C., Tapia R., Gilna P., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Kim E., Stahl D., Richardson P.;
RT   "Complete sequence of chromosome 1 of Verminephrobacter eiseniae EF01-2.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Functions in the biosynthesis of branched-chain amino acids.
CC       Catalyzes the dehydration of (2R,3R)-2,3-dihydroxy-3-methylpentanoate
CC       (2,3-dihydroxy-3-methylvalerate) into 2-oxo-3-methylpentanoate (2-oxo-
CC       3-methylvalerate) and of (2R)-2,3-dihydroxy-3-methylbutanoate (2,3-
CC       dihydroxyisovalerate) into 2-oxo-3-methylbutanoate (2-oxoisovalerate),
CC       the penultimate precursor to L-isoleucine and L-valine, respectively.
CC       {ECO:0000255|HAMAP-Rule:MF_00012}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2R)-2,3-dihydroxy-3-methylbutanoate = 3-methyl-2-oxobutanoate
CC         + H2O; Xref=Rhea:RHEA:24809, ChEBI:CHEBI:11851, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:49072; EC=4.2.1.9; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00012};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:24810;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00012};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2R,3R)-2,3-dihydroxy-3-methylpentanoate = (S)-3-methyl-2-
CC         oxopentanoate + H2O; Xref=Rhea:RHEA:27694, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:35146, ChEBI:CHEBI:49258; EC=4.2.1.9;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00012};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:27695;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00012};
CC   -!- COFACTOR:
CC       Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00012};
CC       Note=Binds 1 [2Fe-2S] cluster per subunit. This cluster acts as a Lewis
CC       acid cofactor. {ECO:0000255|HAMAP-Rule:MF_00012};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00012};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC       isoleucine from 2-oxobutanoate: step 3/4. {ECO:0000255|HAMAP-
CC       Rule:MF_00012}.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine from
CC       pyruvate: step 3/4. {ECO:0000255|HAMAP-Rule:MF_00012}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00012}.
CC   -!- SIMILARITY: Belongs to the IlvD/Edd family. {ECO:0000255|HAMAP-
CC       Rule:MF_00012}.
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DR   EMBL; CP000542; ABM58952.1; -; Genomic_DNA.
DR   RefSeq; WP_011810944.1; NC_008786.1.
DR   AlphaFoldDB; A1WMU5; -.
DR   SMR; A1WMU5; -.
DR   STRING; 391735.Veis_3222; -.
DR   EnsemblBacteria; ABM58952; ABM58952; Veis_3222.
DR   KEGG; vei:Veis_3222; -.
DR   eggNOG; COG0129; Bacteria.
DR   HOGENOM; CLU_014271_4_2_4; -.
DR   OMA; TQGRNMA; -.
DR   OrthoDB; 193579at2; -.
DR   UniPathway; UPA00047; UER00057.
DR   UniPathway; UPA00049; UER00061.
DR   Proteomes; UP000000374; Chromosome.
DR   GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004160; F:dihydroxy-acid dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0009099; P:valine biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.50.30.80; -; 1.
DR   HAMAP; MF_00012; IlvD; 1.
DR   InterPro; IPR042096; Dihydro-acid_dehy_C.
DR   InterPro; IPR004404; DihydroxyA_deHydtase.
DR   InterPro; IPR000581; DiOHA_6PGluconate_deHydtase.
DR   InterPro; IPR020558; DiOHA_6PGluconate_deHydtase_CS.
DR   InterPro; IPR037237; IlvD/EDD_N.
DR   Pfam; PF00920; ILVD_EDD; 1.
DR   SUPFAM; SSF143975; SSF143975; 1.
DR   TIGRFAMs; TIGR00110; ilvD; 1.
DR   PROSITE; PS00886; ILVD_EDD_1; 1.
DR   PROSITE; PS00887; ILVD_EDD_2; 1.
PE   3: Inferred from homology;
KW   2Fe-2S; Amino-acid biosynthesis; Branched-chain amino acid biosynthesis;
KW   Iron; Iron-sulfur; Lyase; Magnesium; Metal-binding; Reference proteome.
FT   CHAIN           1..568
FT                   /note="Dihydroxy-acid dehydratase"
FT                   /id="PRO_0000321611"
FT   ACT_SITE        482
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00012"
FT   BINDING         59
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00012"
FT   BINDING         91
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00012"
FT   BINDING         132
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00012"
FT   BINDING         133
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00012"
FT   BINDING         134
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /note="via carbamate group"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00012"
FT   BINDING         204
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00012"
FT   BINDING         456
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00012"
FT   MOD_RES         134
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00012"
SQ   SEQUENCE   568 AA;  59758 MW;  2ABD1EE2B38DEB89 CRC64;
     MADNKTTTIE PINRRSANIT QGKSRAPNRS MYYAMGYVEG DFVKPMVGVA NGHSTITPCN
     SGLQKLTDAA IEGIEEAGGN AQVFGTPTIS DGMAMGTEGM KYSLVSREVI SDCIETCVSG
     QWLDGVLVVG GCDKNMPGGL MGMLRANVPA IYVYGGTILP GHYQGRELNI VSVFEAVGEN
     AAGKLSDHDL REIEKRAIPG TGSCGGMYTA NTMSSAFEAL GISLPYSSTM ANPHDEKTNS
     AKASAKVLIE AIRNDLKPRD IVTRKAIENA VAVIMATGGS TNAVLHFLAI AHAAGVPWSI
     DDFERVRQKT PVLCDLKPSG KYLAVDLHRA GGIPQVMKLL LNAGLLHGDC ITIEGKTMAQ
     VLKDVPDRPR ADQNVIRPID QPLYAQGHLA ILKGNLSPEG AVAKITGLKN PVITGPARVF
     DDEQSALQAI LDGKIQAGDV MVLRYLGPKG GPGMPEMLAP TGALIGAGLG ESVGLITDGR
     FSGGTWGMVV GHVAPEAAAG GTIAFVHEGD SITIDARQLL LQLNVAEAEI ARRRARWTAP
     AARYTRGVQA KFAFNASSAS QGAVLDAY
 
 
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