ID   LEUC_MYCA9              Reviewed;         480 AA.
AC   B1MDQ1;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 89.
DE   RecName: Full=3-isopropylmalate dehydratase large subunit {ECO:0000255|HAMAP-Rule:MF_01026};
DE            EC=4.2.1.33 {ECO:0000255|HAMAP-Rule:MF_01026};
DE   AltName: Full=Alpha-IPM isomerase {ECO:0000255|HAMAP-Rule:MF_01026};
DE            Short=IPMI {ECO:0000255|HAMAP-Rule:MF_01026};
DE   AltName: Full=Isopropylmalate isomerase {ECO:0000255|HAMAP-Rule:MF_01026};
GN   Name=leuC {ECO:0000255|HAMAP-Rule:MF_01026}; OrderedLocusNames=MAB_3294c;
OS   Mycobacteroides abscessus (strain ATCC 19977 / DSM 44196 / CIP 104536 / JCM
OS   13569 / NCTC 13031 / TMC 1543) (Mycobacterium abscessus).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacteroides; Mycobacteroides abscessus.
OX   NCBI_TaxID=561007;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19977 / DSM 44196 / CIP 104536 / JCM 13569 / NCTC 13031 / TMC
RC   1543;
RX   PubMed=19543527; DOI=10.1371/journal.pone.0005660;
RA   Ripoll F., Pasek S., Schenowitz C., Dossat C., Barbe V., Rottman M.,
RA   Macheras E., Heym B., Herrmann J.L., Daffe M., Brosch R., Risler J.L.,
RA   Gaillard J.L.;
RT   "Non mycobacterial virulence genes in the genome of the emerging pathogen
RT   Mycobacterium abscessus.";
RL   PLoS ONE 4:E5660-E5660(2009).
CC   -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC       isopropylmalate, via the formation of 2-isopropylmaleate.
CC       {ECO:0000255|HAMAP-Rule:MF_01026}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2R,3S)-3-isopropylmalate = (2S)-2-isopropylmalate;
CC         Xref=Rhea:RHEA:32287, ChEBI:CHEBI:1178, ChEBI:CHEBI:35121;
CC         EC=4.2.1.33; Evidence={ECO:0000255|HAMAP-Rule:MF_01026};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01026};
CC       Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01026};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC       from 3-methyl-2-oxobutanoate: step 2/4. {ECO:0000255|HAMAP-
CC       Rule:MF_01026}.
CC   -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000255|HAMAP-
CC       Rule:MF_01026}.
CC   -!- SIMILARITY: Belongs to the aconitase/IPM isomerase family. LeuC type 1
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01026}.
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DR   EMBL; CU458896; CAM63370.1; -; Genomic_DNA.
DR   RefSeq; WP_005100504.1; NZ_MLCG01000001.1.
DR   AlphaFoldDB; B1MDQ1; -.
DR   SMR; B1MDQ1; -.
DR   EnsemblBacteria; CAM63370; CAM63370; MAB_3294c.
DR   KEGG; mab:MAB_3294c; -.
DR   OMA; CNMSIEM; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000007137; Chromosome.
DR   GO; GO:0003861; F:3-isopropylmalate dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd01583; IPMI; 1.
DR   Gene3D; 3.30.499.10; -; 2.
DR   HAMAP; MF_01026; LeuC_type1; 1.
DR   InterPro; IPR004430; 3-IsopropMal_deHydase_lsu.
DR   InterPro; IPR015931; Acnase/IPM_dHydase_lsu_aba_1/3.
DR   InterPro; IPR001030; Acoase/IPM_deHydtase_lsu_aba.
DR   InterPro; IPR018136; Aconitase_4Fe-4S_BS.
DR   InterPro; IPR036008; Aconitase_4Fe-4S_dom.
DR   InterPro; IPR033941; IPMI_cat.
DR   Pfam; PF00330; Aconitase; 1.
DR   PRINTS; PR00415; ACONITASE.
DR   SUPFAM; SSF53732; SSF53732; 1.
DR   TIGRFAMs; TIGR00170; leuC; 1.
DR   PROSITE; PS00450; ACONITASE_1; 1.
DR   PROSITE; PS01244; ACONITASE_2; 1.
PE   3: Inferred from homology;
KW   4Fe-4S; Amino-acid biosynthesis; Branched-chain amino acid biosynthesis;
KW   Iron; Iron-sulfur; Leucine biosynthesis; Lyase; Metal-binding.
FT   CHAIN           1..480
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_1000135695"
FT   REGION          431..454
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        431..445
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         357
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         417
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         420
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ   SEQUENCE   480 AA;  51216 MW;  56044AFED1F263F2 CRC64;
     MTSVQQPRTL AEKVWDSHVV VRGTGEGEAR EPDLIYIDLH LVHEVTSPQA FDGLRLAGRQ
     VRRPDLTIAT EDHNVPTIDI DKPIADPVSR TQVETLRKNC EEFGIRLHPM GDAEQGIVHV
     VGPQLGLTQP GTTVVCGDSH TSTHGAFGAL AMGIGTSEVE HVLATQTLPL RPFRTMAINI
     DGSLPTGVTS KDVILAVIAK IGTGGGQGYV LEYRGQAVEE MSMEARMTMC NMSIEAGARA
     GMVAPDETTY AYLKDRPHAP KGQLWDAAVA EWDSLRTDEG AQFDAEVHID ASTLTPFVTW
     GTNPGQGVPL GADVPDPELM ADEEERLAAE KALTYMDLTP GTPMREIPVD TVFVGSCTNG
     RIEDLRAVAD VLRDRKVAAG VTMLIVPGSM RVRAQAESEG LGEIFAAAGA QWRQAGCSMC
     LGMNPDQLSP GQRCASTSNR NFEGRQGKGG RTHLVSPAVA AATAVRGKLS SPADLAKSVK