LEUC_RHIL3
ID LEUC_RHIL3 Reviewed; 469 AA.
AC Q1MAJ9;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 30-MAY-2006, sequence version 1.
DT 03-AUG-2022, entry version 95.
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}; OrderedLocusNames=RL4555;
OS Rhizobium leguminosarum bv. viciae (strain 3841).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium.
OX NCBI_TaxID=216596;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=3841;
RX PubMed=16640791; DOI=10.1186/gb-2006-7-4-r34;
RA Young J.P.W., Crossman L.C., Johnston A.W.B., Thomson N.R., Ghazoui Z.F.,
RA Hull K.H., Wexler M., Curson A.R.J., Todd J.D., Poole P.S., Mauchline T.H.,
RA East A.K., Quail M.A., Churcher C., Arrowsmith C., Cherevach I.,
RA Chillingworth T., Clarke K., Cronin A., Davis P., Fraser A., Hance Z.,
RA Hauser H., Jagels K., Moule S., Mungall K., Norbertczak H.,
RA Rabbinowitsch E., Sanders M., Simmonds M., Whitehead S., Parkhill J.;
RT "The genome of Rhizobium leguminosarum has recognizable core and accessory
RT components.";
RL Genome Biol. 7:R34.1-R34.20(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; AM236080; CAK10039.1; -; Genomic_DNA.
DR RefSeq; WP_011653910.1; NC_008380.1.
DR AlphaFoldDB; Q1MAJ9; -.
DR SMR; Q1MAJ9; -.
DR STRING; 216596.RL4555; -.
DR EnsemblBacteria; CAK10039; CAK10039; RL4555.
DR KEGG; rle:RL4555; -.
DR eggNOG; COG0065; Bacteria.
DR HOGENOM; CLU_006714_3_4_5; -.
DR OMA; CNMSIEM; -.
DR OrthoDB; 749418at2; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000006575; 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.
FT CHAIN 1..469
FT /note="3-isopropylmalate dehydratase large subunit"
FT /id="PRO_1000063597"
FT BINDING 350
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; 50766 MW; 60439B1BE2E99F72 CRC64;
MSAPRTLYDK IWDDHLVDEQ ADGTCLLYID RHLVHEVTSP QAFEGLRMTG RKVRAPEKTL
AVVDHNVPTS PDRHLGIKNE ESRIQVEALA TNAAEFGVEY YSASDKRQGI VHIVGPEQGF
TLPGMTIVCG DSHTSTHGAF GALAHGIGTS EVEHVLATQT LIQKKAKNML VRVDGQLPPH
VTAKDIILAI IGEIGTAGGT GHVIEFAGEA IRALSMEGRM TVCNMTIEGG ARAGLIAPDE
KTFEYIKGKP RAPKGEALEQ AIAYWKTLQT DEGAHYDRVV VLDAASLPPI VSWGSSPEDV
ISVQGIVPNP DDIPDETKRT SKWRALDYMG LKPGTKMTDI TLDRVFIGSC TNGRIEDLRE
VAKVVEGKTV APTVDAMIVP GSGLVKEQAE AEGLDKIFKA AGFDWREPGC SMCLAMNDDR
LKPGERCAST SNRNFEGRQG FKGRTHLVSP AMAAAAAIAG HFVDIREWN
