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LEUC_PYRAE
ID   LEUC_PYRAE              Reviewed;         415 AA.
AC   Q8ZW41;
DT   26-JUL-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 123.
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=PAE1984;
OS   Pyrobaculum aerophilum (strain ATCC 51768 / DSM 7523 / JCM 9630 / CIP
OS   104966 / NBRC 100827 / IM2).
OC   Archaea; Crenarchaeota; Thermoprotei; Thermoproteales; Thermoproteaceae;
OC   Pyrobaculum.
OX   NCBI_TaxID=178306;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51768 / DSM 7523 / JCM 9630 / CIP 104966 / NBRC 100827 / IM2;
RX   PubMed=11792869; DOI=10.1073/pnas.241636498;
RA   Fitz-Gibbon S.T., Ladner H., Kim U.-J., Stetter K.O., Simon M.I.,
RA   Miller J.H.;
RT   "Genome sequence of the hyperthermophilic crenarchaeon Pyrobaculum
RT   aerophilum.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:984-989(2002).
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; AE009441; AAL63861.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q8ZW41; -.
DR   SMR; Q8ZW41; -.
DR   STRING; 178306.PAE1984; -.
DR   EnsemblBacteria; AAL63861; AAL63861; PAE1984.
DR   KEGG; pai:PAE1984; -.
DR   PATRIC; fig|178306.9.peg.1465; -.
DR   eggNOG; arCOG01698; Archaea.
DR   HOGENOM; CLU_006714_3_4_2; -.
DR   InParanoid; Q8ZW41; -.
DR   OMA; CNMSIEM; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000002439; 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   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   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..415
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_0000076879"
FT   BINDING         295
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
FT   BINDING         353
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
FT   BINDING         356
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
SQ   SEQUENCE   415 AA;  44748 MW;  2B28CA0921842473 CRC64;
     MPTWTEYILY KKLGKTPSPG DVVEIVPDLV GFHDLTGYHV LEVLESMGKV EVFDRERVVV
     AFDHLSPPPN QRAAEIMVYI RRHVKALGLP NFYDVGGGIL HQIILEKYAL PGQVIFAADS
     HTNTAGAVGA FAHGMGATDI AAALKLGKTW IVVPAPFRID VVGEFPIGVM GKDVALHLLG
     QFGAEGFNGY SVEVFVETPK AFPMDDRATV ANMSTEMGAD ALMFIPDVIT AEYLKTERGV
     DYTPPRIEPG NYADKYTVEL PRLEPLVAAP YSVDNIKSVR EVEGVEVDQV FIGSCTNGRL
     SDIAVAAKIL KGRRVKSRCI AIPASYEVFR RAMKLGYIDV LTEAGCVVTY GTCGPCLGGH
     FGVAGPGEVV VTTSNRNFRG RVGHPDAKIY LANPAVAAAT AAEGKIADPR PYLRG
 
 
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