ID   LEUC_ELUMP              Reviewed;         418 AA.
AC   B2KBD7;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 87.
DE   RecName: Full=3-isopropylmalate dehydratase large subunit {ECO:0000255|HAMAP-Rule:MF_01027};
DE            EC=4.2.1.33 {ECO:0000255|HAMAP-Rule:MF_01027};
DE   AltName: Full=Alpha-IPM isomerase {ECO:0000255|HAMAP-Rule:MF_01027};
DE            Short=IPMI {ECO:0000255|HAMAP-Rule:MF_01027};
DE   AltName: Full=Isopropylmalate isomerase {ECO:0000255|HAMAP-Rule:MF_01027};
GN   Name=leuC {ECO:0000255|HAMAP-Rule:MF_01027}; OrderedLocusNames=Emin_0402;
OS   Elusimicrobium minutum (strain Pei191).
OC   Bacteria; Elusimicrobia; Elusimicrobia; Elusimicrobiales;
OC   Elusimicrobiaceae; Elusimicrobium.
OX   NCBI_TaxID=445932;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Pei191;
RX   PubMed=19270133; DOI=10.1128/aem.02698-08;
RA   Herlemann D.P.R., Geissinger O., Ikeda-Ohtsubo W., Kunin V., Sun H.,
RA   Lapidus A., Hugenholtz P., Brune A.;
RT   "Genomic analysis of 'Elusimicrobium minutum,' the first cultivated
RT   representative of the phylum 'Elusimicrobia' (formerly termite group 1).";
RL   Appl. Environ. Microbiol. 75:2841-2849(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_01027}.
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_01027};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01027};
CC       Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01027};
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_01027}.
CC   -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000255|HAMAP-
CC       Rule:MF_01027}.
CC   -!- SIMILARITY: Belongs to the aconitase/IPM isomerase family. LeuC type 2
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01027}.
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DR   EMBL; CP001055; ACC97959.1; -; Genomic_DNA.
DR   RefSeq; WP_012414574.1; NC_010644.1.
DR   AlphaFoldDB; B2KBD7; -.
DR   SMR; B2KBD7; -.
DR   STRING; 445932.Emin_0402; -.
DR   PRIDE; B2KBD7; -.
DR   EnsemblBacteria; ACC97959; ACC97959; Emin_0402.
DR   KEGG; emi:Emin_0402; -.
DR   HOGENOM; CLU_006714_3_4_0; -.
DR   OMA; GCGPCMG; -.
DR   OrthoDB; 749418at2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000001029; 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_01027; LeuC_type2; 1.
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; IPR011826; HAcnase/IPMdehydase_lsu_prok.
DR   InterPro; IPR006251; Homoacnase/IPMdehydase_lsu.
DR   InterPro; IPR033941; IPMI_cat.
DR   Pfam; PF00330; Aconitase; 1.
DR   PRINTS; PR00415; ACONITASE.
DR   SUPFAM; SSF53732; SSF53732; 1.
DR   TIGRFAMs; TIGR01343; hacA_fam; 1.
DR   TIGRFAMs; TIGR02086; IPMI_arch; 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..418
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_1000135731"
FT   BINDING         297
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
FT   BINDING         357
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
FT   BINDING         360
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
SQ   SEQUENCE   418 AA;  44340 MW;  DF27689429062ECB CRC64;
     MPQTIAEKII SNHSGRRVKA GEFVIADVDL TAVQDGTGPL TVEELKKAGF TKLANPARTI
     LFIDHAAPSP RKELSNSQVV LRNFAKETGA ILSEIGEGVC HQLLAEKYVN PGEILIGADS
     HTCTGGALGA FATGMGSTDV AVGMALGKTW LKAPQTFKIE VEGAFKKGVG AKDLILHLIG
     VIGADGATYK ALEFHGSTIR NMEMADRFTL ANMAVEAGAK AGLFFTDEKT RAYLAERGRG
     DNFKLISADE GADYEKVIKI DASSLEPTVS CPHTVDNTKT VGELKDIKVN QVFIGTCTNG
     RIEDLRIAAE ILKDKKVNPG TRTFITPASR DVMLAALKEG LIEIFVKAGA SVQTPGCGPC
     VGVHGGILGD GEVCLATQNR NFQGRMGNTK GFIYLSSPAV AAYSALKGYI SDPREILK