ID   LEUC_STAA8              Reviewed;         456 AA.
AC   Q2FWK1;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-MAR-2006, sequence version 1.
DT   03-AUG-2022, entry version 103.
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};
GN   OrderedLocusNames=SAOUHSC_02287;
OS   Staphylococcus aureus (strain NCTC 8325 / PS 47).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=93061;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NCTC 8325 / PS 47;
RA   Gillaspy A.F., Worrell V., Orvis J., Roe B.A., Dyer D.W., Iandolo J.J.;
RT   "The Staphylococcus aureus NCTC 8325 genome.";
RL   (In) Fischetti V., Novick R., Ferretti J., Portnoy D., Rood J. (eds.);
RL   Gram positive pathogens, 2nd edition, pp.381-412, ASM Press, Washington
RL   D.C. (2006).
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; CP000253; ABD31325.1; -; Genomic_DNA.
DR   RefSeq; WP_000531823.1; NZ_LS483365.1.
DR   RefSeq; YP_500769.1; NC_007795.1.
DR   AlphaFoldDB; Q2FWK1; -.
DR   SMR; Q2FWK1; -.
DR   STRING; 1280.SAXN108_2304; -.
DR   EnsemblBacteria; ABD31325; ABD31325; SAOUHSC_02287.
DR   GeneID; 3919162; -.
DR   KEGG; sao:SAOUHSC_02287; -.
DR   PATRIC; fig|93061.5.peg.2077; -.
DR   eggNOG; COG0065; Bacteria.
DR   HOGENOM; CLU_006714_3_4_9; -.
DR   OMA; CNMSIEM; -.
DR   UniPathway; UPA00048; UER00071.
DR   PRO; PR:Q2FWK1; -.
DR   Proteomes; UP000008816; 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;
KW   Reference proteome.
FT   CHAIN           1..456
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_1000063617"
FT   BINDING         336
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         396
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT   BINDING         399
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ   SEQUENCE   456 AA;  50326 MW;  4C2D584937186ECC CRC64;
     MGQTLFDKVW NRHVLYGKLG EPQLLYIDLH LIHEVTSPQA FEGLRLQNRK LRRPDLTFAT
     LDHNVPTIDI FNIKDEIANK QITTLQKNAI DFGVHIFDMG SDEQGIVHMV GPETGLTQPG
     KTIVCGDSHT ATHGAFGAIA FGIGTSEVEH VFATQTLWQT KPKNLKIDIN GTLPTGVYAK
     DIILHLIKTY GVDFGTGYAL EFTGETIKNL SMDGRMTICN MAIEGGAKYG IIQPDDITFE
     YVKGRPFADN FAKSVDKWRE LYSDDDAIFD RVIELDVSTL EPQVTWGTNP EMGVNFSEPF
     PEINDINDQR AYDYMGLEPG QKAEDIDLGY VFLGSCTNAR LSDLIEASHI VKGNKVHPNI
     TAIVVPGSRT VKKEAEKLGL DTIFKNAGFE WREPGCSMCL GMNPDQVPEG VHCASTSNRN
     FEGRQGKGAR THLVSPAMAA AAAIHGKFVD VRKVVV