LEUC_MYCBP
ID LEUC_MYCBP Reviewed; 473 AA.
AC A1KMY2;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 06-FEB-2007, sequence version 1.
DT 03-AUG-2022, entry version 88.
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=BCG_3009c;
OS Mycobacterium bovis (strain BCG / Pasteur 1173P2).
OC Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC Mycobacterium; Mycobacterium tuberculosis complex.
OX NCBI_TaxID=410289;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BCG / Pasteur 1173P2;
RX PubMed=17372194; DOI=10.1073/pnas.0700869104;
RA Brosch R., Gordon S.V., Garnier T., Eiglmeier K., Frigui W., Valenti P.,
RA Dos Santos S., Duthoy S., Lacroix C., Garcia-Pelayo C., Inwald J.K.,
RA Golby P., Garcia J.N., Hewinson R.G., Behr M.A., Quail M.A., Churcher C.,
RA Barrell B.G., Parkhill J., Cole S.T.;
RT "Genome plasticity of BCG and impact on vaccine efficacy.";
RL Proc. Natl. Acad. Sci. U.S.A. 104:5596-5601(2007).
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; AM408590; CAL72998.1; -; Genomic_DNA.
DR RefSeq; WP_003415114.1; NC_008769.1.
DR AlphaFoldDB; A1KMY2; -.
DR SMR; A1KMY2; -.
DR KEGG; mbb:BCG_3009c; -.
DR HOGENOM; CLU_006714_3_4_11; -.
DR OMA; CNMSIEM; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000001472; 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..473
FT /note="3-isopropylmalate dehydratase large subunit"
FT /id="PRO_1000063573"
FT BINDING 354
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT BINDING 414
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT BINDING 417
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ SEQUENCE 473 AA; 50199 MW; 863C76C01883F16A CRC64;
MALQTGEPRT LAEKIWDDHI VVSGGGCAPD LIYIDLHLVH EVTSPQAFDG LRLAGRRVRR
PELTLATEDH NVPTVDIDQP IADPVSRTQV ETLRRNCAEF GIRLHSMGDI EQGIVHVVGP
QLGLTQPGMT IVCGDSHTST HGAFGALAMG IGTSEVEHVL ATQTLPLRPF KTMAVNVDGR
LPDGVSAKDI ILALIAKIGT GGGQGHVIEY RGSAIESLSM EGRMTICNMS IEAGARAGMV
APDETTYAFL RGRPHAPTGA QWDTALVYWQ RLRTDVGAVF DTEVYLDAAS LSPFVTWGTN
PGQGVPLAAA VPDPQLMTDD AERQAAEKAL AYMDLRPGTA MREIAVDAVF VGSCTNGRIE
DLRVVAEVLR GRKVADGVRM LIVPGSMRVR AQAEAEGLGE IFTDAGAQWR QAGCSMCLGM
NPDQLASGER CAATSNRNFE GRQGAGGRTH LVSPAVAAAT AVRGTLSSPA DLN
