ID D4KX59_9FIRM Unreviewed; 420 AA.
AC D4KX59;
DT 18-MAY-2010, integrated into UniProtKB/TrEMBL.
DT 18-MAY-2010, sequence version 1.
DT 27-MAR-2024, entry version 77.
DE RecName: Full=3-isopropylmalate dehydratase large subunit {ECO:0000256|HAMAP-Rule:MF_01027};
DE EC=4.2.1.33 {ECO:0000256|HAMAP-Rule:MF_01027};
DE AltName: Full=Alpha-IPM isomerase {ECO:0000256|HAMAP-Rule:MF_01027};
DE Short=IPMI {ECO:0000256|HAMAP-Rule:MF_01027};
DE AltName: Full=Isopropylmalate isomerase {ECO:0000256|HAMAP-Rule:MF_01027};
GN Name=leuC {ECO:0000256|HAMAP-Rule:MF_01027};
GN ORFNames=RO1_13190 {ECO:0000313|EMBL:CBL11949.1};
OS Roseburia intestinalis XB6B4.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Lachnospiraceae; Roseburia.
OX NCBI_TaxID=718255 {ECO:0000313|EMBL:CBL11949.1, ECO:0000313|Proteomes:UP000008953};
RN [1] {ECO:0000313|EMBL:CBL11949.1, ECO:0000313|Proteomes:UP000008953}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=XB6B4 {ECO:0000313|EMBL:CBL11949.1,
RC ECO:0000313|Proteomes:UP000008953};
RG metaHIT consortium -- http://www.metahit.eu/;
RA Pajon A., Turner K., Parkhill J., Bernalier A.;
RT "The genome sequence of Roseburia intestinalis XB6B4.";
RL Submitted (MAR-2010) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:CBL11949.1, ECO:0000313|Proteomes:UP000008953}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=XB6B4 {ECO:0000313|EMBL:CBL11949.1,
RC ECO:0000313|Proteomes:UP000008953};
RA Pajon A.;
RL Submitted (MAR-2010) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC isopropylmalate, via the formation of 2-isopropylmaleate.
CC {ECO:0000256|HAMAP-Rule:MF_01027}.
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:0000256|HAMAP-Rule:MF_01027};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01027};
CC Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_01027};
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 2/4. {ECO:0000256|HAMAP-
CC Rule:MF_01027}.
CC -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000256|HAMAP-
CC Rule:MF_01027}.
CC -!- SIMILARITY: Belongs to the aconitase/IPM isomerase family. LeuC type 2
CC subfamily. {ECO:0000256|HAMAP-Rule:MF_01027}.
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DR EMBL; FP929050; CBL11949.1; -; Genomic_DNA.
DR AlphaFoldDB; D4KX59; -.
DR KEGG; rix:RO1_13190; -.
DR PATRIC; fig|718255.3.peg.2517; -.
DR HOGENOM; CLU_006714_3_4_9; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000008953; 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; Aconitase, domain 3; 2.
DR HAMAP; MF_01027; LeuC_type2; 1.
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; IPR011826; HAcnase/IPMdehydase_lsu_prok.
DR InterPro; IPR006251; Homoacnase/IPMdehydase_lsu.
DR InterPro; IPR033941; IPMI_cat.
DR InterPro; IPR011823; IsopropMal_deHydtase_lsu_bac.
DR NCBIfam; TIGR01343; hacA_fam; 1.
DR NCBIfam; TIGR02086; IPMI_arch; 1.
DR NCBIfam; TIGR02083; LEU2; 1.
DR PANTHER; PTHR43822:SF2; 3-ISOPROPYLMALATE DEHYDRATASE LARGE SUBUNIT, CHLOROPLASTIC; 1.
DR PANTHER; PTHR43822; HOMOACONITASE, MITOCHONDRIAL-RELATED; 1.
DR Pfam; PF00330; Aconitase; 2.
DR PRINTS; PR00415; ACONITASE.
DR SUPFAM; SSF53732; Aconitase iron-sulfur domain; 1.
DR PROSITE; PS00450; ACONITASE_1; 1.
DR PROSITE; PS01244; ACONITASE_2; 1.
PE 3: Inferred from homology;
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|HAMAP-Rule:MF_01027};
KW Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_01027};
KW Branched-chain amino acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_01027};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_01027};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW Rule:MF_01027}; Leucine biosynthesis {ECO:0000256|HAMAP-Rule:MF_01027};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01027};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01027}.
FT DOMAIN 8..286
FT /note="Aconitase/3-isopropylmalate dehydratase large
FT subunit alpha/beta/alpha"
FT /evidence="ECO:0000259|Pfam:PF00330"
FT DOMAIN 286..411
FT /note="Aconitase/3-isopropylmalate dehydratase large
FT subunit alpha/beta/alpha"
FT /evidence="ECO:0000259|Pfam:PF00330"
FT BINDING 300
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01027"
FT BINDING 360
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01027"
FT BINDING 363
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01027"
SQ SEQUENCE 420 AA; 44806 MW; DCBCAB2390952558 CRC64;
MGMTMTQKIL AAHAGLPSVS AGQLIEADLD LVLGNDITSP VAIHEMDKMK VDGVFDKDKI
ALVLDHFVPN KDIKSAQHCK CVREFACRHD ITNYFDVGEM GIEHALLPEK GLTVAGDVII
GADSHTCTYG ALGAFSTGVG STDMAAGMAT GKAWFKVPAA IKFVLTGKPA KWISGKDIIL
HIIGMIGVDG ALYKSMEFVG DGISCLSMDD RFTIANMAIE AGGKNGIFPV DNLAKEYMEA
HSKRPYVVYE ADEDAEYEET YTIDLSTLKP TVAFPHLPEN TKTIDEVGDI KIDQVVIGSC
TNGRMDDLRV AASILKGKKV AKGLRVIVIP ATQKIYLDAM EEGLLKTFIE AGAVVSTPTC
GPCLGGYMGI LAEHERCVST TNRNFVGRMG HVESEIYLAS PAVAAASAIT GKLSGPDEVA
//
