ID   LEUC_ENDTX              Reviewed;         420 AA.
AC   B1H0A6;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 89.
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=TGRD_455;
OS   Endomicrobium trichonymphae.
OC   Bacteria; Elusimicrobia; Endomicrobia; Endomicrobiales; Endomicrobiaceae;
OC   Endomicrobium.
OX   NCBI_TaxID=1408204;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=18391199; DOI=10.1073/pnas.0801389105;
RA   Hongoh Y., Sharma V.K., Prakash T., Noda S., Taylor T.D., Kudo T.,
RA   Sakaki Y., Toyoda A., Hattori M., Ohkuma M.;
RT   "Complete genome of the uncultured termite group 1 bacteria in a single
RT   host protist cell.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:5555-5560(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_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; AP009510; BAG13938.1; -; Genomic_DNA.
DR   RefSeq; WP_015423464.1; NC_020419.1.
DR   RefSeq; YP_001956399.1; NC_020419.1.
DR   AlphaFoldDB; B1H0A6; -.
DR   SMR; B1H0A6; -.
DR   STRING; 471821.TGRD_455; -.
DR   EnsemblBacteria; BAG13938; BAG13938; TGRD_455.
DR   KEGG; rsd:TGRD_455; -.
DR   PATRIC; fig|471821.5.peg.737; -.
DR   HOGENOM; CLU_006714_3_4_0; -.
DR   OMA; GIEHCLL; -.
DR   OrthoDB; 749418at2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000001691; 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   InterPro; IPR011823; IsopropMal_deHydtase_lsu_bac.
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   TIGRFAMs; TIGR02083; LEU2; 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..420
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_1000135741"
FT   BINDING         300
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
FT   BINDING         361
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
FT   BINDING         364
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
SQ   SEQUENCE   420 AA;  45678 MW;  6955046F764B9E38 CRC64;
     MGNTITEKIL ASHCGKKVVE PGEFIEPKID IALSNDVTAP LAVKEFRKTG IKKVFDKNKI
     ALVMDHFTPN KDILSAEHVK FVREFAKEHK IKHYYEGGNV GVEHALLPEK GIVVPGDVII
     GADSHTCTYG ALGAFSTGGG STDIAAAMAT GKIWFKVPNS IKFILNRKLN KWVSGKDIIL
     YIIGLIGVDG ALYNSMEFDG PLCKKLTMAD RFTITNMAIE AGGKNGIFTP DEITENYVAK
     RAQRKYKFYI SDKDAKYLKI YEIDCSKILP QVSMPFLPSN TKAVKDIKKT YIDQVVIGSC
     TNGRIEDLRV AASIIKKGKK VNSNVRTLII PATPEVYSQA LDEGLLRIFM DAGAIISAPT
     CGPCLGGHMG ILASGEKCAS TTNRNFRGRM GHVESQLFLV NPAVAAASAI KGYIASPDEI