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LEUC_RHIME
ID   LEUC_RHIME              Reviewed;         469 AA.
AC   Q92L76; Q9EV53;
DT   02-AUG-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2001, sequence version 1.
DT   03-AUG-2022, entry version 123.
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=R03206;
GN   ORFNames=SMc03823;
OS   Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium
OS   meliloti).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=266834;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11481430; DOI=10.1073/pnas.161294398;
RA   Capela D., Barloy-Hubler F., Gouzy J., Bothe G., Ampe F., Batut J.,
RA   Boistard P., Becker A., Boutry M., Cadieu E., Dreano S., Gloux S.,
RA   Godrie T., Goffeau A., Kahn D., Kiss E., Lelaure V., Masuy D., Pohl T.,
RA   Portetelle D., Puehler A., Purnelle B., Ramsperger U., Renard C.,
RA   Thebault P., Vandenbol M., Weidner S., Galibert F.;
RT   "Analysis of the chromosome sequence of the legume symbiont Sinorhizobium
RT   meliloti strain 1021.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:9877-9882(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11474104; DOI=10.1126/science.1060966;
RA   Galibert F., Finan T.M., Long S.R., Puehler A., Abola P., Ampe F.,
RA   Barloy-Hubler F., Barnett M.J., Becker A., Boistard P., Bothe G.,
RA   Boutry M., Bowser L., Buhrmester J., Cadieu E., Capela D., Chain P.,
RA   Cowie A., Davis R.W., Dreano S., Federspiel N.A., Fisher R.F., Gloux S.,
RA   Godrie T., Goffeau A., Golding B., Gouzy J., Gurjal M., Hernandez-Lucas I.,
RA   Hong A., Huizar L., Hyman R.W., Jones T., Kahn D., Kahn M.L., Kalman S.,
RA   Keating D.H., Kiss E., Komp C., Lelaure V., Masuy D., Palm C., Peck M.C.,
RA   Pohl T.M., Portetelle D., Purnelle B., Ramsperger U., Surzycki R.,
RA   Thebault P., Vandenbol M., Vorhoelter F.J., Weidner S., Wells D.H.,
RA   Wong K., Yeh K.-C., Batut J.;
RT   "The composite genome of the legume symbiont Sinorhizobium meliloti.";
RL   Science 293:668-672(2001).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 22-469.
RC   STRAIN=GR4;
RX   PubMed=12070767; DOI=10.1007/s00203-002-0421-7;
RA   Sanjuan-Pinilla J.M., Munoz S., Nogales J., Olivares J., Sanjuan J.;
RT   "Involvement of the Sinorhizobium meliloti leuA gene in activation of
RT   nodulation genes by NodD1 and luteolin.";
RL   Arch. Microbiol. 178:36-44(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_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; AL591688; CAC47785.1; -; Genomic_DNA.
DR   EMBL; AJ296268; CAC14578.1; -; Genomic_DNA.
DR   RefSeq; NP_387312.1; NC_003047.1.
DR   RefSeq; WP_003529677.1; NC_003047.1.
DR   AlphaFoldDB; Q92L76; -.
DR   SMR; Q92L76; -.
DR   STRING; 266834.SMc03823; -.
DR   EnsemblBacteria; CAC47785; CAC47785; SMc03823.
DR   GeneID; 61604665; -.
DR   KEGG; sme:SMc03823; -.
DR   PATRIC; fig|266834.11.peg.4757; -.
DR   eggNOG; COG0065; Bacteria.
DR   HOGENOM; CLU_006714_3_4_5; -.
DR   OMA; CNMSIEM; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000001976; 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..469
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_0000076796"
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"
FT   CONFLICT        31
FT                   /note="R -> C (in Ref. 3; CAC14578)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        96
FT                   /note="F -> L (in Ref. 3; CAC14578)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        270
FT                   /note="T -> M (in Ref. 3; CAC14578)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        371
FT                   /note="A -> S (in Ref. 3; CAC14578)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   469 AA;  50995 MW;  22A2F7D040645726 CRC64;
     MSAPRTLYDK IWDDHLVDSQ DDGTCLLYID RHLVHEVTSP QAFEGLRMAG RKVRAPEKTL
     AVVDHNVPTS PDRHLGIKNE ESRIQVEALA RNAADFGVEY YSENDKRQGI VHIVGPEQGF
     TLPGMTIVCG DSHTSTHGAF GALAHGIGTS EVEHVLATQT LIQKKAKNML VRVDGQLPPG
     VTAKDIILAI IGEIGTAGGT GHVIEFAGEA IRSLSMEGRM TVCNMTIEGG ARAGLIAPDE
     TTFEYIKDKP RAPKGEAWDR AVEYWKTLHT DEGAHYDRVV VLDAANLPPI VSWGSSPEDV
     VSVQGVVPNP DDIQDETKRT SKWRALDYMG LKPGTKITDI AIDRVFIGSC TNGRIEDLRA
     VAEVVEGRKV APTVSAMIVP GSGLVKEQAE AEGLDKIFKE AGFDWREPGC SMCLAMNDDR
     LKPGERCAST SNRNFEGRQG FKGRTHLLSP AMAAAAAVAG HFVDIREWK
 
 
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