LEUC_ACIC5
ID LEUC_ACIC5 Reviewed; 475 AA.
AC C1F700;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 26-MAY-2009, sequence version 1.
DT 03-AUG-2022, entry version 74.
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=ACP_3469;
OS Acidobacterium capsulatum (strain ATCC 51196 / DSM 11244 / BCRC 80197 / JCM
OS 7670 / NBRC 15755 / NCIMB 13165 / 161).
OC Bacteria; Acidobacteria; Acidobacteriales; Acidobacteriaceae;
OC Acidobacterium.
OX NCBI_TaxID=240015;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51196 / DSM 11244 / BCRC 80197 / JCM 7670 / NBRC 15755 / NCIMB
RC 13165 / 161;
RX PubMed=19201974; DOI=10.1128/aem.02294-08;
RA Ward N.L., Challacombe J.F., Janssen P.H., Henrissat B., Coutinho P.M.,
RA Wu M., Xie G., Haft D.H., Sait M., Badger J., Barabote R.D., Bradley B.,
RA Brettin T.S., Brinkac L.M., Bruce D., Creasy T., Daugherty S.C.,
RA Davidsen T.M., DeBoy R.T., Detter J.C., Dodson R.J., Durkin A.S.,
RA Ganapathy A., Gwinn-Giglio M., Han C.S., Khouri H., Kiss H., Kothari S.P.,
RA Madupu R., Nelson K.E., Nelson W.C., Paulsen I., Penn K., Ren Q.,
RA Rosovitz M.J., Selengut J.D., Shrivastava S., Sullivan S.A., Tapia R.,
RA Thompson L.S., Watkins K.L., Yang Q., Yu C., Zafar N., Zhou L., Kuske C.R.;
RT "Three genomes from the phylum Acidobacteria provide insight into the
RT lifestyles of these microorganisms in soils.";
RL Appl. Environ. Microbiol. 75:2046-2056(2009).
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; CP001472; ACO33917.1; -; Genomic_DNA.
DR RefSeq; WP_015898498.1; NC_012483.1.
DR AlphaFoldDB; C1F700; -.
DR SMR; C1F700; -.
DR STRING; 240015.ACP_3469; -.
DR EnsemblBacteria; ACO33917; ACO33917; ACP_3469.
DR KEGG; aca:ACP_3469; -.
DR eggNOG; COG0065; Bacteria.
DR HOGENOM; CLU_006714_3_4_0; -.
DR OMA; CNMSIEM; -.
DR OrthoDB; 749418at2; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000002207; 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..475
FT /note="3-isopropylmalate dehydratase large subunit"
FT /id="PRO_1000213325"
FT BINDING 348
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT BINDING 408
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT BINDING 411
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ SEQUENCE 475 AA; 51765 MW; 577E84561BE94F77 CRC64;
MAKTLFEKVW EQHLVAEPAN EPALLYIDLH LVHEVTSPQA FDGLRMTGRK LRRPDRTVAT
VDHNVPTIAA DRLIIKDEIA ARQIDALRRN CAEFGVELFD VQSREQGIVH VIGPELGLTK
PGMTIVCGDS HTSTHGAFGA LAFGIGTSEV EHVMATQCLP QGRPKTFRIS VEGELPEGVT
AKDIVLGIIG RIGTDGATGY VIEYAGSAIR SLSMEGRMTV CNMSIEAGAR AGMIAPDETT
FAYLKDREYS PKGKAWDEAV AAWSELKTDE GATFDRELVI PAIELTPYVT WGTNPGMVIP
ITDEIPGPET AASEADQRGI ERALEYMGLK PGTPMEEVAI DVVFIGSCTN SRIEDLRAAA
KVVTGYRVNE KVRAMVVPGS HRVKEQAERE GLDRIFREAG FEWREPGCSM CLGMNPDILT
PGERCASTSN RNFEGRQGRG GRTHLVSPMM AAAAAITGHF SDIRTWEFKG EEVLA
