LEUC1_RUBXD
ID LEUC1_RUBXD Reviewed; 469 AA.
AC Q1AZC4;
DT 26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 11-JUL-2006, sequence version 1.
DT 03-AUG-2022, entry version 100.
DE RecName: Full=3-isopropylmalate dehydratase large subunit 1 {ECO:0000255|HAMAP-Rule:MF_01026};
DE EC=4.2.1.33 {ECO:0000255|HAMAP-Rule:MF_01026};
DE AltName: Full=Alpha-IPM isomerase 1 {ECO:0000255|HAMAP-Rule:MF_01026};
DE Short=IPMI 1 {ECO:0000255|HAMAP-Rule:MF_01026};
DE AltName: Full=Isopropylmalate isomerase 1 {ECO:0000255|HAMAP-Rule:MF_01026};
GN Name=leuC1 {ECO:0000255|HAMAP-Rule:MF_01026}; OrderedLocusNames=Rxyl_0278;
OS Rubrobacter xylanophilus (strain DSM 9941 / NBRC 16129 / PRD-1).
OC Bacteria; Actinobacteria; Rubrobacteria; Rubrobacterales; Rubrobacteraceae;
OC Rubrobacter.
OX NCBI_TaxID=266117;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 9941 / NBRC 16129 / PRD-1;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Munk A.C., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Lykidis A., da Costa M.S.,
RA Rainey F.A., Empadinhas N., Jolivet E., Battista J.R., Richardson P.;
RT "Complete sequence of Rubrobacter xylanophilus DSM 9941.";
RL Submitted (JUN-2006) 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: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; CP000386; ABG03254.1; -; Genomic_DNA.
DR RefSeq; WP_011563272.1; NC_008148.1.
DR AlphaFoldDB; Q1AZC4; -.
DR SMR; Q1AZC4; -.
DR STRING; 266117.Rxyl_0278; -.
DR EnsemblBacteria; ABG03254; ABG03254; Rxyl_0278.
DR KEGG; rxy:Rxyl_0278; -.
DR eggNOG; COG0065; Bacteria.
DR HOGENOM; CLU_006714_3_4_11; -.
DR OMA; CNMSIEM; -.
DR OrthoDB; 749418at2; -.
DR PhylomeDB; Q1AZC4; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000006637; 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 1"
FT /id="PRO_0000319836"
FT BINDING 344
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT BINDING 404
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT BINDING 407
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ SEQUENCE 469 AA; 51168 MW; 3A11415CBF00EBBC CRC64;
MEKKKPRTLV EKIWERHVVR RAEGEPDLLY VDLHMVHEVT SPQAFEALRL AGRRVRRPDL
TVATMDHNVP TTDVRLGVRD RVSARQMEAL RKNCEEFGIQ LHEWGSPGQG IVHVIGPEMG
LTQPGMVIVC GDSHTSTHGA FGALAFGIGT SEVEHVLATQ TIPQRRPKTM AITVEGEAPP
DVTAKDIMLG ILHRIGTGGG VGHAIEYRGE AIRNLSMEGR MTICNMTIEG GGRAGMVAPD
EKTYSYIEGR PHAPKGRAWE EALEYWQSLP TDEGATFDKE VVIDAAELVP YVSWGTTPAQ
TVPLDGEVPE PQNEGHERAL RYMGLRPGTP IREIEVDTVF IGSCTNARIE DLRAAARVLE
GHKVKEGIRA MVVPGSMRVK KQAEEEGLDE IFKKAGFEWR NAGCSMCLGM NPDILSPGER
CASTSNRNFE GRQGKGGRTH LVSPVVAAAT AVMGRFASPS ELGVPVEVG