ID   LEUC_PSEA8              Reviewed;         474 AA.
AC   B7VBP9;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 75.
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=PLES_19381;
OS   Pseudomonas aeruginosa (strain LESB58).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=557722;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LESB58;
RX   PubMed=19047519; DOI=10.1101/gr.086082.108;
RA   Winstanley C., Langille M.G.I., Fothergill J.L., Kukavica-Ibrulj I.,
RA   Paradis-Bleau C., Sanschagrin F., Thomson N.R., Winsor G.L., Quail M.A.,
RA   Lennard N., Bignell A., Clarke L., Seeger K., Saunders D., Harris D.,
RA   Parkhill J., Hancock R.E.W., Brinkman F.S.L., Levesque R.C.;
RT   "Newly introduced genomic prophage islands are critical determinants of in
RT   vivo competitiveness in the Liverpool epidemic strain of Pseudomonas
RT   aeruginosa.";
RL   Genome Res. 19:12-23(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; FM209186; CAW26666.1; -; Genomic_DNA.
DR   RefSeq; WP_003091399.1; NC_011770.1.
DR   AlphaFoldDB; B7VBP9; -.
DR   SMR; B7VBP9; -.
DR   KEGG; pag:PLES_19381; -.
DR   HOGENOM; CLU_006714_3_4_6; -.
DR   OMA; CNMSIEM; -.
DR   UniPathway; UPA00048; UER00071.
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..474
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_1000135705"
FT   BINDING         353
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         414
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"
SQ   SEQUENCE   474 AA;  51042 MW;  7B4A0F6500C228EC CRC64;
     MAGKTLYDKL WDMHLVKQRD DGSALIYIDR HILHEVTSPQ AFEGLRLAGR KPWRIDANIA
     TPDHNVPTTR TERKGGIAAI ADEVSRLQVQ TLDENCDDFG ITEFKMNDVR QGIVHVVGPE
     QGATLPGMTV VCGDSHTSTH GAFGALAHGI GTSEVEHVLA TQCLVAKKMK NMLVKVEGRL
     PAGVTAKDIV LAVIGRIGTA GGNGHAIEFA GSAIRDLSIE GRMTICNMSI EAGARVGLVA
     VDQKTIDYVK GRPFAPSAEQ WDQAVACWQG LVSDADARFD TVVELDAAQI KPQVSWGTSP
     EMVLAVDQNV PDPARESDPI KRGSIERALK YMGLRPNQAI TDIQLDRVFI GSCTNSRIED
     LRAAAEVARG RKVAATIKQA LVVPGSGLVK EQAEKEGLDR IFIEAGFEWR EPGCSMCLAM
     NPDRLESGEH CASTSNRNFE GRQGAGGRTH LVSPAMAAAA AVNGRFIDVR ELLA