LEUD_RUBXD
ID LEUD_RUBXD Reviewed; 195 AA.
AC Q1AZC3;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 11-JUL-2006, sequence version 1.
DT 25-MAY-2022, entry version 91.
DE RecName: Full=3-isopropylmalate dehydratase small subunit {ECO:0000255|HAMAP-Rule:MF_01031};
DE EC=4.2.1.33 {ECO:0000255|HAMAP-Rule:MF_01031};
DE AltName: Full=Alpha-IPM isomerase {ECO:0000255|HAMAP-Rule:MF_01031};
DE Short=IPMI {ECO:0000255|HAMAP-Rule:MF_01031};
DE AltName: Full=Isopropylmalate isomerase {ECO:0000255|HAMAP-Rule:MF_01031};
GN Name=leuD {ECO:0000255|HAMAP-Rule:MF_01031}; OrderedLocusNames=Rxyl_0279;
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_01031}.
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_01031};
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_01031}.
CC -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000255|HAMAP-
CC Rule:MF_01031}.
CC -!- SIMILARITY: Belongs to the LeuD family. LeuD type 1 subfamily.
CC {ECO:0000255|HAMAP-Rule:MF_01031}.
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DR EMBL; CP000386; ABG03255.1; -; Genomic_DNA.
DR RefSeq; WP_011563273.1; NC_008148.1.
DR AlphaFoldDB; Q1AZC3; -.
DR SMR; Q1AZC3; -.
DR STRING; 266117.Rxyl_0279; -.
DR EnsemblBacteria; ABG03255; ABG03255; Rxyl_0279.
DR KEGG; rxy:Rxyl_0279; -.
DR eggNOG; COG0066; Bacteria.
DR HOGENOM; CLU_081378_0_1_11; -.
DR OMA; AFTTHTG; -.
DR OrthoDB; 1384217at2; -.
DR PhylomeDB; Q1AZC3; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000006637; Chromosome.
DR GO; GO:0009316; C:3-isopropylmalate dehydratase complex; IEA:InterPro.
DR GO; GO:0003861; F:3-isopropylmalate dehydratase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd01577; IPMI_Swivel; 1.
DR Gene3D; 3.20.19.10; -; 1.
DR HAMAP; MF_01031; LeuD_type1; 1.
DR InterPro; IPR004431; 3-IsopropMal_deHydase_ssu.
DR InterPro; IPR015928; Aconitase/3IPM_dehydase_swvl.
DR InterPro; IPR000573; AconitaseA/IPMdHydase_ssu_swvl.
DR InterPro; IPR033940; IPMI_Swivel.
DR Pfam; PF00694; Aconitase_C; 1.
DR TIGRFAMs; TIGR00171; leuD; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; Branched-chain amino acid biosynthesis;
KW Leucine biosynthesis; Lyase; Reference proteome.
FT CHAIN 1..195
FT /note="3-isopropylmalate dehydratase small subunit"
FT /id="PRO_1000063825"
SQ SEQUENCE 195 AA; 22053 MW; ACFB7F21CD52A17B CRC64;
MEPVRKVEGK ALPLGYSDVD TDQIVPSDAL KRIERTGFGR FLFAEWREDP DFVLNKPEHQ
GAVVLIAGEN FGCGSSREHA VWAVQDYGFG AVIAPSFADI FKNNCTKNGV LTVELPKETV
RRLLEAVRED PEATVTVDLE SRTVKGPGVE TTFEIDDFVR YRLLNGLDDV GLTLRHEEDI
ERFERSRPRY MPRVL
