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Database: UniProt
Entry: K0V2V0_MYCFO
LinkDB: K0V2V0_MYCFO
Original site: K0V2V0_MYCFO 
ID   K0V2V0_MYCFO            Unreviewed;       565 AA.
AC   K0V2V0;
DT   28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT   28-NOV-2012, sequence version 1.
DT   24-JAN-2024, entry version 55.
DE   RecName: Full=Dihydroxy-acid dehydratase {ECO:0000256|ARBA:ARBA00029490, ECO:0000256|HAMAP-Rule:MF_00012};
DE            Short=DAD {ECO:0000256|HAMAP-Rule:MF_00012};
DE            EC=4.2.1.9 {ECO:0000256|ARBA:ARBA00029490, ECO:0000256|HAMAP-Rule:MF_00012};
GN   Name=ilvD {ECO:0000256|HAMAP-Rule:MF_00012};
GN   ORFNames=MFORT_15297 {ECO:0000313|EMBL:EJZ13321.1};
OS   Mycolicibacterium fortuitum subsp. fortuitum DSM 46621 = ATCC 6841 = JCM
OS   6387.
OC   Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Mycobacteriaceae;
OC   Mycolicibacterium.
OX   NCBI_TaxID=1214102 {ECO:0000313|EMBL:EJZ13321.1, ECO:0000313|Proteomes:UP000006043};
RN   [1] {ECO:0000313|EMBL:EJZ13321.1, ECO:0000313|Proteomes:UP000006043}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM46621 {ECO:0000313|Proteomes:UP000006043};
RX   PubMed=23105073; DOI=10.1128/JB.01461-12;
RA   Ho Y.S., Adroub S.A., Aleisa F., Mahmood H., Othoum G., Rashid F.,
RA   Zaher M., Ali S., Bitter W., Pain A., Abdallah A.M.;
RT   "Complete Genome Sequence of Mycobacterium fortuitum subsp. fortuitum Type
RT   Strain DSM46621.";
RL   J. Bacteriol. 194:6337-6338(2012).
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:0000256|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;
CC         Evidence={ECO:0000256|ARBA:ARBA00029304};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:24810;
CC         Evidence={ECO:0000256|ARBA:ARBA00029304};
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:0000256|HAMAP-Rule:MF_00012};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|ARBA:ARBA00001946,
CC         ECO:0000256|HAMAP-Rule:MF_00012};
CC   -!- COFACTOR:
CC       Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_00012};
CC       Note=Binds 1 [2Fe-2S] cluster per subunit. This cluster acts as a Lewis
CC       acid cofactor. {ECO:0000256|HAMAP-Rule:MF_00012};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC       isoleucine from 2-oxobutanoate: step 3/4.
CC       {ECO:0000256|ARBA:ARBA00029437, ECO:0000256|HAMAP-Rule:MF_00012}.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine from
CC       pyruvate: step 3/4. {ECO:0000256|ARBA:ARBA00029436, ECO:0000256|HAMAP-
CC       Rule:MF_00012}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00012}.
CC   -!- SIMILARITY: Belongs to the IlvD/Edd family.
CC       {ECO:0000256|ARBA:ARBA00006486, ECO:0000256|HAMAP-Rule:MF_00012}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00012}.
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:EJZ13321.1}.
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DR   EMBL; ALQB01000058; EJZ13321.1; -; Genomic_DNA.
DR   RefSeq; WP_003884908.1; NZ_JH814757.1.
DR   AlphaFoldDB; K0V2V0; -.
DR   HOGENOM; CLU_014271_4_2_11; -.
DR   UniPathway; UPA00047; UER00057.
DR   UniPathway; UPA00049; UER00061.
DR   Proteomes; UP000006043; Unassembled WGS sequence.
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; IlvD/EDD C-terminal domain-like; 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   NCBIfam; TIGR00110; ilvD; 1.
DR   PANTHER; PTHR21000; DIHYDROXY-ACID DEHYDRATASE DAD; 1.
DR   PANTHER; PTHR21000:SF5; DIHYDROXY-ACID DEHYDRATASE, MITOCHONDRIAL; 1.
DR   Pfam; PF00920; ILVD_EDD; 1.
DR   SUPFAM; SSF143975; IlvD/EDD N-terminal domain-like; 1.
DR   SUPFAM; SSF52016; LeuD/IlvD-like; 1.
DR   PROSITE; PS00886; ILVD_EDD_1; 1.
DR   PROSITE; PS00887; ILVD_EDD_2; 1.
PE   3: Inferred from homology;
KW   2Fe-2S {ECO:0000256|ARBA:ARBA00022714, ECO:0000256|HAMAP-Rule:MF_00012};
KW   Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW   Rule:MF_00012};
KW   Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW   ECO:0000256|HAMAP-Rule:MF_00012};
KW   Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_00012};
KW   Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW   Rule:MF_00012};
KW   Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_00012};
KW   Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00012};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_00012}.
FT   ACT_SITE        481
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   BINDING         54
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   BINDING         86
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   BINDING         128
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   BINDING         129
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /note="via carbamate group"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   BINDING         455
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   MOD_RES         129
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
SQ   SEQUENCE   565 AA;  59313 MW;  91CA71925CC030E0 CRC64;
     MSDQPDIKPR SRDVTDGLEK AAARGMLRAV GMGDDDWVKP QIGVGSSWNE ITPCNMSLQR
     LAQDVKAGVH EAGGYPLEFG TISVSDGISM GHEGMHFSLV SREVIADSVE TVMQAERLDG
     SVLLAGCDKS IPGMLMAAAR LNLASVFFYN GSIMPGVAKL TDGTEKEVTI IDAFEAVGAC
     VRGLMSREDV DIIERAICPG EGACGGMYTA NTMASAAEAL GMSLPGSASP VAVDKRRGEF
     ARRSGEAVVE MLRRGITARD ILTKEAFENA IAVVMAFGGS TNAVLHLLAI AREAEVELTL
     ADFTRIGNKV PHLADVKPFG RHVMKDVDEI GGVPVVMRAL LDAGLLHGDC LTVTGKTMAE
     NLAHIAPPDP DGKVLRAMNN PIHPTGGITI LHGSLAPEGA VVKSAGFESD VFEGTARVFE
     RERAALDALE DGTITHGDVV VIRYEGPKGG PGMREMLAIT GAIKGAGLGK DVLLMTDGRF
     SGGTTGLCVG HIAPEAVDGG PIAFVRDGDR IRLDVANGTL DVLVDEAEFE ARKAGFEPLP
     PRYKTGVLAK YTKLVQSAAV GAVCT
//
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