LEUC_ARTS2
ID LEUC_ARTS2 Reviewed; 484 AA.
AC A0JXX8;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 12-DEC-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=Arth_2519;
OS Arthrobacter sp. (strain FB24).
OC Bacteria; Actinobacteria; Micrococcales; Micrococcaceae; Arthrobacter.
OX NCBI_TaxID=290399;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=FB24;
RX PubMed=24501649; DOI=10.4056/sigs.4438185;
RA Nakatsu C.H., Barabote R., Thompson S., Bruce D., Detter C., Brettin T.,
RA Han C., Beasley F., Chen W., Konopka A., Xie G.;
RT "Complete genome sequence of Arthrobacter sp. strain FB24.";
RL Stand. Genomic Sci. 9:106-116(2013).
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; CP000454; ABK03898.1; -; Genomic_DNA.
DR RefSeq; WP_011692360.1; NC_008541.1.
DR AlphaFoldDB; A0JXX8; -.
DR SMR; A0JXX8; -.
DR STRING; 290399.Arth_2519; -.
DR EnsemblBacteria; ABK03898; ABK03898; Arth_2519.
DR KEGG; art:Arth_2519; -.
DR eggNOG; COG0065; Bacteria.
DR HOGENOM; CLU_006714_3_4_11; -.
DR OMA; CNMSIEM; -.
DR OrthoDB; 749418at2; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000000754; 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..484
FT /note="3-isopropylmalate dehydratase large subunit"
FT /id="PRO_1000063525"
FT REGION 462..484
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 352
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"
FT BINDING 415
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ SEQUENCE 484 AA; 51732 MW; 44CFCC69613F9D41 CRC64;
MAKTLAEKVW DAHVVRKGDG EGANAQPDLL YIDLHLVHEV TSPQAFEGLR LAGRPLRRPD
LTIATEDHNT PTLDIDKPIA DLTSRTQIQT LRNNCKEFGV RLHSLGDAEQ GIVHVVGPQL
GLTQPGMTVV CGDSHTSTHG AFGALAMGIG TSEVEHVMAT QTLSLKPFKT MAINVEGTLR
PGVSAKDIIL AVIAKIGTGG GQGYVLEYRG SAIRALSMEA RMTICNMSIE AGARAGLVAP
DQTTYDYMYG RPHAPQGAEW DAAVEYWNTL RTDDDATFDV EVDLDADTLE PFVTWGTNPG
QGVSLSSRVP SPEDFGDENA KAAAERALQY MGLEAGTPMK EIRVDTVFLG SCTNSRMEDL
RAAADIIRGR TKDPNIRMLV VPGSARVRLE AEAEGLDKVF KDFGAEWRFA GCSMCLGMNP
DQLEVGERCA STSNRNFEGR QGKGGRTHLV SPVVAAATAV RGTLSSPSDL DPAPESAAVS
SSAA