ID   LEUD_CORA7              Reviewed;         196 AA.
AC   C3PFZ5;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2009, sequence version 1.
DT   25-MAY-2022, entry version 71.
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=cauri_1156;
OS   Corynebacterium aurimucosum (strain ATCC 700975 / DSM 44827 / CIP 107346 /
OS   CN-1) (Corynebacterium nigricans).
OC   Bacteria; Actinobacteria; Corynebacteriales; Corynebacteriaceae;
OC   Corynebacterium.
OX   NCBI_TaxID=548476;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700975 / DSM 44827 / CIP 107346 / CN-1;
RX   PubMed=20137072; DOI=10.1186/1471-2164-11-91;
RA   Trost E., Gotker S., Schneider J., Schneiker-Bekel S., Szczepanowski R.,
RA   Tilker A., Viehoever P., Arnold W., Bekel T., Blom J., Gartemann K.H.,
RA   Linke B., Goesmann A., Puhler A., Shukla S.K., Tauch A.;
RT   "Complete genome sequence and lifestyle of black-pigmented Corynebacterium
RT   aurimucosum ATCC 700975 (formerly C. nigricans CN-1) isolated from a
RT   vaginal swab of a woman with spontaneous abortion.";
RL   BMC Genomics 11:91-91(2010).
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; CP001601; ACP32749.1; -; Genomic_DNA.
DR   RefSeq; WP_010186856.1; NZ_ACLH01000005.1.
DR   AlphaFoldDB; C3PFZ5; -.
DR   SMR; C3PFZ5; -.
DR   STRING; 548476.cauri_1156; -.
DR   EnsemblBacteria; ACP32749; ACP32749; cauri_1156.
DR   GeneID; 31923779; -.
DR   KEGG; car:cauri_1156; -.
DR   eggNOG; COG0066; Bacteria.
DR   HOGENOM; CLU_081378_0_1_11; -.
DR   OMA; AFTTHTG; -.
DR   OrthoDB; 1384217at2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000002077; 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..196
FT                   /note="3-isopropylmalate dehydratase small subunit"
FT                   /id="PRO_1000149410"
SQ   SEQUENCE   196 AA;  21860 MW;  752E33927F8207E6 CRC64;
     MEKFVTHTGV GVPLRVSNVD TDQIIPARYL KSVKRTGFAD GLFSNWRSDE NFILNQEPFK
     EGSVLFAGPD FGTGSSREHA VWALAEYGFK AVFSSRFADI FRGNSGKAGL LTGLMEQEDI
     ELIWKQLESG ETETTVDLEA RTVTVGGNSY TFEIDDYTRW RLMEGLDDIG LTLRNEGDIE
     AFESTRPGFK PRVVAS