LEUC_BURCH
ID LEUC_BURCH Reviewed; 469 AA.
AC A0AZ60;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 28-NOV-2006, sequence version 1.
DT 03-AUG-2022, entry version 93.
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=Bcen2424_3949;
OS Burkholderia cenocepacia (strain HI2424).
OC Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Burkholderia; Burkholderia cepacia complex.
OX NCBI_TaxID=331272;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HI2424;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Pitluck S., Chain P.,
RA Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Kim E., LiPuma J.J., Gonzalez C.F.,
RA Konstantinidis K., Tiedje J.M., Richardson P.;
RT "Complete sequence of chromosome 2 of Burkholderia cenocepacia HI2424.";
RL Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000459; ABK10686.1; -; Genomic_DNA.
DR RefSeq; WP_006479340.1; NC_008543.1.
DR AlphaFoldDB; A0AZ60; -.
DR SMR; A0AZ60; -.
DR KEGG; bch:Bcen2424_3949; -.
DR HOGENOM; CLU_006714_3_4_4; -.
DR OMA; CNMSIEM; -.
DR OrthoDB; 749418at2; -.
DR UniPathway; UPA00048; UER00071.
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..469
FT /note="3-isopropylmalate dehydratase large subunit"
FT /id="PRO_1000063534"
FT BINDING 347
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"
FT BINDING 413
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ SEQUENCE 469 AA; 50740 MW; 27605713B5AFFD1A CRC64;
MAQTLYDKLW NTHVVHTEED GTTLLYIDRQ LLHEVTSPQA FEGLKIAQRP VWRISANLAV
SDHNVPTTDR SHGIADPVSK LQVDTLDSNC DAFGITQFKM NDVRQGIVHI IGPEQGATLP
GMTIVCGDSH TSTHGAFGAL AHGIGTSEVE HVLATQTLLQ KKSKNMLVKV EGALPRGCTA
KDIVLAIIGK IGTAGGTGYA IEFGGSTIRA LTMEGRMTVC NMAIEAGARA GMVAVDDTTI
DYLKGRPFVP TGAEWDQAVE YWRQFKSDDG AQFDRVVELN AAEIVPQVTW GTSPEMVTSI
DGRVPDPERE KDPVKRDAME RALAYMALEP NTPIESIKVD KIFIGSCTNA RIEDIRAAAY
VVKKLNRRVA SNVRLAMVVP GSGLVKAQAE REGLDKVFTD AGFEWREPGC SMCLAMNADR
LEPGERCAST SNRNFEGRQG AGGRTHLVSP AMAAAAAIEG HFVDIRQLG
