ID   LEUC_PSEE4              Reviewed;         477 AA.
AC   Q1ICW0;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-JUN-2006, sequence version 1.
DT   03-AUG-2022, entry version 102.
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=PSEEN1650;
OS   Pseudomonas entomophila (strain L48).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=384676;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=L48;
RX   PubMed=16699499; DOI=10.1038/nbt1212;
RA   Vodovar N., Vallenet D., Cruveiller S., Rouy Z., Barbe V., Acosta C.,
RA   Cattolico L., Jubin C., Lajus A., Segurens B., Vacherie B., Wincker P.,
RA   Weissenbach J., Lemaitre B., Medigue C., Boccard F.;
RT   "Complete genome sequence of the entomopathogenic and metabolically
RT   versatile soil bacterium Pseudomonas entomophila.";
RL   Nat. Biotechnol. 24:673-679(2006).
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; CT573326; CAK14503.1; -; Genomic_DNA.
DR   RefSeq; WP_011532913.1; NC_008027.1.
DR   AlphaFoldDB; Q1ICW0; -.
DR   SMR; Q1ICW0; -.
DR   STRING; 384676.PSEEN1650; -.
DR   EnsemblBacteria; CAK14503; CAK14503; PSEEN1650.
DR   KEGG; pen:PSEEN1650; -.
DR   eggNOG; COG0065; Bacteria.
DR   HOGENOM; CLU_006714_3_4_6; -.
DR   OMA; CNMSIEM; -.
DR   OrthoDB; 749418at2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000000658; 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..477
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_1000063592"
FT   BINDING         352
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         413
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         416
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ   SEQUENCE   477 AA;  51142 MW;  238DFCA0AC9464AB CRC64;
     MAGKTLYDKL WDAHEVKRRD DGSSLIYIDR HIIHEVTSPQ AFEGLRLASR KPWRIDTNIA
     TPDHNVPTTP ERKGGIEAIV DQVSRLQVQT LDENCDEYGI VEFKMNDERQ GIVHVISPEQ
     GATLPGMTVV CGDSHTSTHG AFGALAHGIG TSEVEHVLAT QCLVAKKMKN MLVRVEGELP
     AGVTAKDIVL AVIGKIGTAG GNGHAMEFAG SAIRELSMEG RMTICNMSIE AGARVGLVAV
     DDTTVNYVEG RPYAPKGEQW KQAVASWKGL VSDADAVFDT LVELDAAQIK PQVSWGTSPE
     MVLAVDQCVP DPAAEADLIK RGSIERALKY MGLSANQAIT DIKLDRVFIG SCTNSRIEDL
     RAAAEIAKGR KVAANVKQAL VVPGSGLVKA QAEREGLDKI FLEAGFEWRE PGCSMCLAMN
     PDRLESGEHC ASTSNRNFEG RQGAGGRTHL VSPAMAAAAA VTGHFIDVRE LIQGSAA