LEUC_AFIC5
ID LEUC_AFIC5 Reviewed; 470 AA.
AC B6JAQ9; F8BTD0;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 16-DEC-2008, sequence version 1.
DT 03-AUG-2022, entry version 79.
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=OCAR_4273, OCA5_c02460;
OS Afipia carboxidovorans (strain ATCC 49405 / DSM 1227 / KCTC 32145 / OM5)
OS (Oligotropha carboxidovorans).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Bradyrhizobiaceae; Afipia.
OX NCBI_TaxID=504832;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49405 / DSM 1227 / KCTC 32145 / OM5;
RX PubMed=18539730; DOI=10.1128/jb.00614-08;
RA Paul D., Bridges S., Burgess S.C., Dandass Y., Lawrence M.L.;
RT "Genome sequence of the chemolithoautotrophic bacterium Oligotropha
RT carboxidovorans OM5T.";
RL J. Bacteriol. 190:5531-5532(2008).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49405 / DSM 1227 / KCTC 32145 / OM5;
RX PubMed=21742883; DOI=10.1128/jb.05619-11;
RA Volland S., Rachinger M., Strittmatter A., Daniel R., Gottschalk G.,
RA Meyer O.;
RT "Complete genome sequences of the chemolithoautotrophic Oligotropha
RT carboxidovorans strains OM4 and OM5.";
RL J. Bacteriol. 193:5043-5043(2011).
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; CP001196; ACI91422.1; -; Genomic_DNA.
DR EMBL; CP002826; AEI04975.1; -; Genomic_DNA.
DR RefSeq; WP_012561453.1; NC_015684.1.
DR AlphaFoldDB; B6JAQ9; -.
DR SMR; B6JAQ9; -.
DR STRING; 504832.OCAR_4273; -.
DR EnsemblBacteria; AEI04975; AEI04975; OCA5_c02460.
DR KEGG; oca:OCAR_4273; -.
DR KEGG; ocg:OCA5_c02460; -.
DR PATRIC; fig|504832.7.peg.261; -.
DR eggNOG; COG0065; Bacteria.
DR HOGENOM; CLU_006714_3_4_5; -.
DR OMA; CNMSIEM; -.
DR OrthoDB; 749418at2; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000007730; 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..470
FT /note="3-isopropylmalate dehydratase large subunit"
FT /id="PRO_1000135699"
FT BINDING 349
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT BINDING 409
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT BINDING 412
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ SEQUENCE 470 AA; 50758 MW; 7062E458D64DEDBC CRC64;
MAKPTTLYDK IWNDHLVDEQ PDGTCLLYID RHLVHEVTSP QAFEGLRVAG RKVHAPEKTL
AVVDHNVPTT DRSKPNPDPE SAEQIAALAT NARDFGVQYF NEFDKRQGIV HVIGPEQGFT
LPGTTIVCGD SHTSTHGAFG ALAHGIGTSE VEHVLATQTL IQKKAKNMRA VVDGKLPDGV
TAKDIILAII GEIGTAGGTG YVLEYAGEAI RALTMEGRMT ICNMSIEGGA RAGLVAPDEK
AYEFLKGRPL TPKGANWEQA VRYWDTLRSD DNAHFDHEIR LDAANLPPIV TWGTSPEDVV
SVAGFVPDPA KIEDEAKRLS KERALAYMGL NAGTKITDIK LDRVFIGSCT NGRIEDLRAA
AKVINGHTVN GHVNAMVVPG SGLVKEQAEA EGLDKIFIKA GFEWREPGCS MCLAMNPDKL
APEERCASTS NRNFEGRQGF KGRTHLVSPA MAAAAAIAGH FVDIRDWKAA
