ID   LEUD_DEIDV              Reviewed;         181 AA.
AC   C1CVE0;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   25-MAY-2022, entry version 67.
DE   RecName: Full=3-isopropylmalate dehydratase small subunit {ECO:0000255|HAMAP-Rule:MF_01032};
DE            EC=4.2.1.33 {ECO:0000255|HAMAP-Rule:MF_01032};
DE   AltName: Full=Alpha-IPM isomerase {ECO:0000255|HAMAP-Rule:MF_01032};
DE            Short=IPMI {ECO:0000255|HAMAP-Rule:MF_01032};
DE   AltName: Full=Isopropylmalate isomerase {ECO:0000255|HAMAP-Rule:MF_01032};
GN   Name=leuD {ECO:0000255|HAMAP-Rule:MF_01032}; OrderedLocusNames=Deide_12400;
OS   Deinococcus deserti (strain DSM 17065 / CIP 109153 / LMG 22923 / VCD115).
OC   Bacteria; Deinococcus-Thermus; Deinococci; Deinococcales; Deinococcaceae;
OC   Deinococcus.
OX   NCBI_TaxID=546414;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17065 / CIP 109153 / LMG 22923 / VCD115;
RX   PubMed=19370165; DOI=10.1371/journal.pgen.1000434;
RA   de Groot A., Dulermo R., Ortet P., Blanchard L., Guerin P., Fernandez B.,
RA   Vacherie B., Dossat C., Jolivet E., Siguier P., Chandler M., Barakat M.,
RA   Dedieu A., Barbe V., Heulin T., Sommer S., Achouak W., Armengaud J.;
RT   "Alliance of proteomics and genomics to unravel the specificities of Sahara
RT   bacterium Deinococcus deserti.";
RL   PLoS Genet. 5:E1000434-E1000434(2009).
CC   -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC       isopropylmalate, via the formation of 2-isopropylmaleate.
CC       {ECO:0000255|HAMAP-Rule:MF_01032}.
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_01032};
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_01032}.
CC   -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000255|HAMAP-
CC       Rule:MF_01032}.
CC   -!- SIMILARITY: Belongs to the LeuD family. LeuD type 2 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01032}.
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DR   EMBL; CP001114; ACO46157.1; -; Genomic_DNA.
DR   RefSeq; WP_012693280.1; NC_012526.1.
DR   AlphaFoldDB; C1CVE0; -.
DR   SMR; C1CVE0; -.
DR   STRING; 546414.Deide_12400; -.
DR   PaxDb; C1CVE0; -.
DR   EnsemblBacteria; ACO46157; ACO46157; Deide_12400.
DR   KEGG; ddr:Deide_12400; -.
DR   eggNOG; COG0066; Bacteria.
DR   HOGENOM; CLU_081378_1_1_0; -.
DR   OMA; GLPIIEC; -.
DR   OrthoDB; 1384217at2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000002208; Chromosome.
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_01032; LeuD_type2; 1.
DR   InterPro; IPR015928; Aconitase/3IPM_dehydase_swvl.
DR   InterPro; IPR000573; AconitaseA/IPMdHydase_ssu_swvl.
DR   InterPro; IPR033940; IPMI_Swivel.
DR   InterPro; IPR011827; LeuD_type2/HacB/DmdB.
DR   Pfam; PF00694; Aconitase_C; 1.
DR   TIGRFAMs; TIGR02087; LEUD_arch; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Branched-chain amino acid biosynthesis;
KW   Leucine biosynthesis; Lyase; Reference proteome.
FT   CHAIN           1..181
FT                   /note="3-isopropylmalate dehydratase small subunit"
FT                   /id="PRO_1000213362"
SQ   SEQUENCE   181 AA;  19665 MW;  B5436C553E51CBBD CRC64;
     MPRVHVFARD HINTDEIIPA RHLTTDIEAE LAPYAMEDYD RDFAKRVQPG DIIVAGADFG
     CGSSREHAVW ALRGAGVGAV IAPNFARIYY RNSINNGFLA LECDGIVEAF QDGDEANLDL
     KGGTITNLRT GQTLTFVPVP QFALDVQKAG GWLEYMRAQV PAEADDSSSA QPHPGKENAH
     A