ID   LEUC_SHEB5              Reviewed;         468 AA.
AC   A3CZK7;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-MAR-2007, sequence version 1.
DT   03-AUG-2022, entry version 90.
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=Sbal_0388;
OS   Shewanella baltica (strain OS155 / ATCC BAA-1091).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=325240;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=OS155 / ATCC BAA-1091;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Sims D.R., Brettin T., Bruce D., Han C., Tapia R., Brainard J., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Brettar I.,
RA   Klappenbach J., Konstantinidis K., Rodrigues J., Tiedje J., Richardson P.;
RT   "Complete sequence of chromosome of Shewanella baltica OS155.";
RL   Submitted (FEB-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000563; ABN59920.1; -; Genomic_DNA.
DR   RefSeq; WP_011845609.1; NC_009052.1.
DR   AlphaFoldDB; A3CZK7; -.
DR   SMR; A3CZK7; -.
DR   STRING; 325240.Sbal_0388; -.
DR   EnsemblBacteria; ABN59920; ABN59920; Sbal_0388.
DR   KEGG; sbl:Sbal_0388; -.
DR   HOGENOM; CLU_006714_3_4_6; -.
DR   OMA; CNMSIEM; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000001557; 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..468
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_0000319838"
FT   BINDING         349
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         409
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         412
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ   SEQUENCE   468 AA;  49852 MW;  0A1FB07B58C10C9D CRC64;
     MTNAKTLYQK VWDAHIVASP EGEAPVIYVD RHLVHEVTSP QAFSGLKVAG RKLRAPEKTF
     ATMDHNTSTR SASLDALSPM ARTQVETLAQ NCKDFGVRLY DIHHPNQGIV HVMGPELGIT
     LPGTVIVCGD SHTATHGAFG ALAFGIGTSE VEHVLATQTL RQLKAKTMKI EVRGHVTDGV
     TAKDIVLAII GKIGMDGGTG YVVEFCGEAI EALSMEGRMT VCNMAIEMGA KAGMVAPDQT
     TFDYLAGREF APKDEDWAEA VAYWKAIKTD DGAVFDAVVE LDAADIAPQL TWGTNPGQVV
     AIDGKVPDPL NEANPSTRAS MEKALEYIGL SAGTQMTDIS INKVFIGSCT NSRIEDLRSA
     AVHAKGRKVA SGVTAIVVPG SGQVKAQAEA EGLDKIFIEA GFEWRLPGCS MCLAMNDDRL
     EAGDRCASTS NRNFEGRQGR GSRTHLVSPA MAAAAAVAGH FVDIRKPY