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LEUC_STRGG
ID   LEUC_STRGG              Reviewed;         475 AA.
AC   B1VZ03;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   03-AUG-2022, entry version 84.
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=SGR_1929;
OS   Streptomyces griseus subsp. griseus (strain JCM 4626 / NBRC 13350).
OC   Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC   Streptomyces.
OX   NCBI_TaxID=455632;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JCM 4626 / NBRC 13350;
RX   PubMed=18375553; DOI=10.1128/jb.00204-08;
RA   Ohnishi Y., Ishikawa J., Hara H., Suzuki H., Ikenoya M., Ikeda H.,
RA   Yamashita A., Hattori M., Horinouchi S.;
RT   "Genome sequence of the streptomycin-producing microorganism Streptomyces
RT   griseus IFO 13350.";
RL   J. Bacteriol. 190:4050-4060(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; AP009493; BAG18758.1; -; Genomic_DNA.
DR   RefSeq; WP_003966002.1; NC_010572.1.
DR   AlphaFoldDB; B1VZ03; -.
DR   SMR; B1VZ03; -.
DR   STRING; 455632.SGR_1929; -.
DR   EnsemblBacteria; BAG18758; BAG18758; SGR_1929.
DR   GeneID; 6214086; -.
DR   KEGG; sgr:SGR_1929; -.
DR   eggNOG; COG0065; Bacteria.
DR   HOGENOM; CLU_006714_3_4_11; -.
DR   OMA; CNMSIEM; -.
DR   OrthoDB; 749418at2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000001685; 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..475
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_1000135717"
FT   REGION          418..442
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        420..435
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         347
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         407
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         410
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ   SEQUENCE   475 AA;  50474 MW;  97DC22E490E4380E CRC64;
     MGRTLAEKVW DDHVVRRAEG EPDLLFIDLH LLHEVTSPQA FDGLRQAGRP VRRLDLTIAT
     EDHNTPTLDI DKPIADPVSR AQLETLRKNC ADFGVRLHPL GDVEQGVVHV VGPQLGLTQP
     GTTVVCGDSH TSTHGAFGAL AFGIGTSQVE HVLATQTLPL ARPKTMAITV EGELPDEVTA
     KDLILAIIAR IGTGGGQGYI LEYRGSAIEK LSMEARMTIC NMSIEAGARA GMIAPDATTF
     DYLEGRDHAP RGEDWDAAVA YWKTLRSDDD AVFDAEVVID AAELAPFVTW GTNPGQGAPL
     SANVPDPASY EDASERFAAE KALEYMGLTA GQALRDINVD TVFVGSCTNG RIEDLRNAAA
     VLDGRKVADG VRMLIVPGSV RVALQAVAEG LDKVFTEAGA EWRHAGCSMC LGMNPDQLAP
     GERSASTSNR NFEGRQGKGG RTHLVSPQVA AATAVLGHLA SPADLSDTRT PAGVR
 
 
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