ID   LEUC_KINRD              Reviewed;         477 AA.
AC   A6W7Q7;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-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=Krad_1358;
OS   Kineococcus radiotolerans (strain ATCC BAA-149 / DSM 14245 / SRS30216).
OC   Bacteria; Actinobacteria; Kineosporiales; Kineosporiaceae; Kineococcus.
OX   NCBI_TaxID=266940;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-149 / DSM 14245 / SRS30216;
RX   PubMed=19057647; DOI=10.1371/journal.pone.0003878;
RA   Bagwell C.E., Bhat S., Hawkins G.M., Smith B.W., Biswas T., Hoover T.R.,
RA   Saunders E., Han C.S., Tsodikov O.V., Shimkets L.J.;
RT   "Survival in nuclear waste, extreme resistance, and potential applications
RT   gleaned from the genome sequence of Kineococcus radiotolerans SRS30216.";
RL   PLoS ONE 3:e3878-e3878(2008).
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; CP000750; ABS02846.1; -; Genomic_DNA.
DR   RefSeq; WP_012084291.1; NC_009664.2.
DR   AlphaFoldDB; A6W7Q7; -.
DR   SMR; A6W7Q7; -.
DR   STRING; 266940.Krad_1358; -.
DR   EnsemblBacteria; ABS02846; ABS02846; Krad_1358.
DR   KEGG; kra:Krad_1358; -.
DR   eggNOG; COG0065; Bacteria.
DR   HOGENOM; CLU_006714_3_4_11; -.
DR   OMA; CNMSIEM; -.
DR   OrthoDB; 749418at2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000001116; 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..477
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_1000135688"
FT   BINDING         351
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"
FT   BINDING         414
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ   SEQUENCE   477 AA;  50941 MW;  A4A3221CE40C746C CRC64;
     MARTLAEKVW DDHVVRKGQD GEPDLLYIDL HLVHEVTSPQ AFDGLRAAGR PVRRLDLTIA
     TEDHNTPTVD IDRPLSLLED KTSAKQLQTL RENCAEFGVR LHPLGDAEQG IVHVVGPQLG
     LTQPGMTVVC GDSHTSTHGA FGSLGMGIGT SEVEHVLATQ TLPLKPFKTM AITVDGTLKP
     GTTAKDVILA VIAEIGTGGG QGYVLEYRGE AIRNLSMEGR MTICNMSIEA GARAGMVAPD
     ETTFAYLEGR PHAPQGADWD AAVEYWRTLR TDDDAEFDAE VVLDGSALEP FVTWGTNPGQ
     GVPLSGSVPE PERIGDDGVR QGVERALEYM GLEGGTPMRD IAVDTVFIGS CTNSRIEDLR
     AAADVVRGRR KADSVRVMVV PGSAKVRLQA EAEGIDTVFK EFGADWRFAG CSMCLGMNPD
     QLAPGERCAS TSNRNFEGRQ GKGGRTHLVS PLVAAATAVR GTLSSPADLE PPVPTNV