LEUD_SACEN
ID LEUD_SACEN Reviewed; 200 AA.
AC A4FMP1;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 17-APR-2007, sequence version 1.
DT 25-MAY-2022, entry version 80.
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=SACE_6143;
OS Saccharopolyspora erythraea (strain ATCC 11635 / DSM 40517 / JCM 4748 /
OS NBRC 13426 / NCIMB 8594 / NRRL 2338).
OC Bacteria; Actinobacteria; Pseudonocardiales; Pseudonocardiaceae;
OC Saccharopolyspora.
OX NCBI_TaxID=405948;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 11635 / DSM 40517 / JCM 4748 / NBRC 13426 / NCIMB 8594 / NRRL
RC 2338;
RX PubMed=17369815; DOI=10.1038/nbt1297;
RA Oliynyk M., Samborskyy M., Lester J.B., Mironenko T., Scott N., Dickens S.,
RA Haydock S.F., Leadlay P.F.;
RT "Complete genome sequence of the erythromycin-producing bacterium
RT Saccharopolyspora erythraea NRRL23338.";
RL Nat. Biotechnol. 25:447-453(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_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; AM420293; CAM05316.1; -; Genomic_DNA.
DR RefSeq; WP_009944411.1; NZ_PDBV01000001.1.
DR AlphaFoldDB; A4FMP1; -.
DR SMR; A4FMP1; -.
DR STRING; 405948.SACE_6143; -.
DR EnsemblBacteria; CAM05316; CAM05316; SACE_6143.
DR KEGG; sen:SACE_6143; -.
DR eggNOG; COG0066; Bacteria.
DR HOGENOM; CLU_081378_0_1_11; -.
DR OMA; AFTTHTG; -.
DR OrthoDB; 1384217at2; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000006728; 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..200
FT /note="3-isopropylmalate dehydratase small subunit"
FT /id="PRO_1000063828"
SQ SEQUENCE 200 AA; 22323 MW; E45FBB96F5B09212 CRC64;
MEPFKTHTGV GVPLRRSNVD TDQIIPAVYL KRVSRTGFED ALFAAWRADD DFILNNPHFR
NGSVLVAGPD FGTGSSREHA VWALKDYGFR VVISSRFADI FRGNSGKQGL LAARCEQSDV
ELLWKVLETE PGTSVTVDLE ARTVHAKDLT VPFEIDDYTR WRLLEGLDDI GLTLRQAETI
DTFEKTRPSF KPATLPARAG
