ID   LEUC_FLAJ1              Reviewed;         464 AA.
AC   A5FKC6;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-JUN-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=Fjoh_1307;
OS   Flavobacterium johnsoniae (strain ATCC 17061 / DSM 2064 / JCM 8514 / NBRC
OS   14942 / NCIMB 11054 / UW101) (Cytophaga johnsonae).
OC   Bacteria; Bacteroidetes; Flavobacteriia; Flavobacteriales;
OC   Flavobacteriaceae; Flavobacterium.
OX   NCBI_TaxID=376686;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 17061 / DSM 2064 / JCM 8514 / NBRC 14942 / NCIMB 11054 / UW101;
RX   PubMed=19717629; DOI=10.1128/aem.01495-09;
RA   McBride M.J., Xie G., Martens E.C., Lapidus A., Henrissat B., Rhodes R.G.,
RA   Goltsman E., Wang W., Xu J., Hunnicutt D.W., Staroscik A.M., Hoover T.R.,
RA   Cheng Y.Q., Stein J.L.;
RT   "Novel features of the polysaccharide-digesting gliding bacterium
RT   Flavobacterium johnsoniae as revealed by genome sequence analysis.";
RL   Appl. Environ. Microbiol. 75:6864-6875(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; CP000685; ABQ04339.1; -; Genomic_DNA.
DR   RefSeq; WP_012023387.1; NZ_MUGZ01000003.1.
DR   AlphaFoldDB; A5FKC6; -.
DR   SMR; A5FKC6; -.
DR   STRING; 376686.Fjoh_1307; -.
DR   PRIDE; A5FKC6; -.
DR   EnsemblBacteria; ABQ04339; ABQ04339; Fjoh_1307.
DR   KEGG; fjo:Fjoh_1307; -.
DR   eggNOG; COG0065; Bacteria.
DR   HOGENOM; CLU_006714_3_4_10; -.
DR   OMA; CNMSIEM; -.
DR   OrthoDB; 749418at2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000006694; 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; 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..464
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_1000084213"
FT   BINDING         345
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         405
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"
SQ   SEQUENCE   464 AA;  50357 MW;  A345926BDF9B87D4 CRC64;
     MSKTLFDKVW DSHVVRKIED GPDVFFIDRH FIHEVTSPVA FLGLKSRGVN VLYPERTFAT
     ADHNTPTINQ HLPVQDPLSA NQLQALEDNA NEYGISHWGL GHQKNGIVHV VGPENGITLP
     GATIVCGDSH TSTHGAFGAI AFGIGTSEVE MVLSTQCIMQ PKPKKMRINV NGKLSKGVGP
     KDVALYIIAQ LTTSGGTGYF VEYAGDVFEN MTMEGRMTVC NLSIEMGARG GMIAPDQTTF
     DFLEGRLYAP KGEAWTKAVE YWKTLKTDAD AVFDAELNIK AEDIEPMITY GTNPGMGIGI
     TKHIPSAKEV EGGEETYKKS LAYMGFNEDD VMIGKQIDYV FLGSCTNGRI EDFRAFAEIV
     KGRKKAENVT AWLVPGSHVV EAQIKEEGIL DILTEAGFVL RQPGCSACLA MNDDKVPAGK
     YAVSTSNRNF EGRQGPGSRT LLASPIMAAA AAVTGKLTDP RELF