ID   LEUC_JANMA              Reviewed;         468 AA.
AC   A6T015;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   03-AUG-2022, entry version 85.
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=mma_2172;
OS   Janthinobacterium sp. (strain Marseille) (Minibacterium massiliensis).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Oxalobacteraceae; Janthinobacterium.
OX   NCBI_TaxID=375286;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Marseille;
RX   PubMed=17722982; DOI=10.1371/journal.pgen.0030138;
RA   Audic S., Robert C., Campagna B., Parinello H., Claverie J.-M., Raoult D.,
RA   Drancourt M.;
RT   "Genome analysis of Minibacterium massiliensis highlights the convergent
RT   evolution of water-living bacteria.";
RL   PLoS Genet. 3:1454-1463(2007).
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; CP000269; ABR88947.1; -; Genomic_DNA.
DR   RefSeq; WP_012080025.1; NC_009659.1.
DR   AlphaFoldDB; A6T015; -.
DR   SMR; A6T015; -.
DR   STRING; 375286.mma_2172; -.
DR   EnsemblBacteria; ABR88947; ABR88947; mma_2172.
DR   KEGG; mms:mma_2172; -.
DR   eggNOG; COG0065; Bacteria.
DR   HOGENOM; CLU_006714_3_4_4; -.
DR   OMA; CNMSIEM; -.
DR   OrthoDB; 749418at2; -.
DR   BioCyc; JSP375286:MMA_RS11225-MON; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000006388; 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;
KW   Reference proteome.
FT   CHAIN           1..468
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_1000063562"
FT   BINDING         347
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         408
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         411
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ   SEQUENCE   468 AA;  50275 MW;  60BE76B180033CCC CRC64;
     MAQTLYDKLW QSHVVETGDD GTTVLYIDRH LLHEVTSPQA FEGLKLAGRR PWRVSANLMV
     ADHNVPTTDR ANGIADPTSR LQVETLDGNA HEYGLTYFSM RDKRQGIVHV IGPEQGATLP
     GMTVVCGDSH TSTHGAFGCL AHGIGTSEVE HVLATQTLLA QKSKAMLVQV DGALPDGVTA
     KDIVLAVIGK IGTAGGTGYA IEFAGSTIRS LSMEGRMTIC NMAIEAGARA GMVAVDDITI
     NYVKGRPLSP VGPHWDRAVE YWRTLHSDAG AKFDLVVTLN AAEIKPQVSW GTSPEMVVAV
     DGRVPDPDKE KDPTKRDGME KALIYMALKP NTPITDIRID KVFIGSCTNS RIEDLRAAAA
     VVRGKYRASN VKLAMVVPGS GLVKEQAERE GLDKIFKAAG FEWREPGCSM CLAMNADRLE
     PGERCASTSN RNFEGRQGAG GRTHLVSPAM AAAAGIEGHF VDVRALKH