ID   LEUD_MICLC              Reviewed;         201 AA.
AC   C5CAC9;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   28-JUL-2009, sequence version 1.
DT   03-AUG-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=Mlut_08750;
OS   Micrococcus luteus (strain ATCC 4698 / DSM 20030 / JCM 1464 / NBRC 3333 /
OS   NCIMB 9278 / NCTC 2665 / VKM Ac-2230) (Micrococcus lysodeikticus).
OC   Bacteria; Actinobacteria; Micrococcales; Micrococcaceae; Micrococcus.
OX   NCBI_TaxID=465515;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 4698 / DSM 20030 / JCM 1464 / NBRC 3333 / NCIMB 9278 / NCTC
RC   2665 / VKM Ac-2230;
RX   PubMed=19948807; DOI=10.1128/jb.01254-09;
RA   Young M., Artsatbanov V., Beller H.R., Chandra G., Chater K.F., Dover L.G.,
RA   Goh E.B., Kahan T., Kaprelyants A.S., Kyrpides N., Lapidus A., Lowry S.R.,
RA   Lykidis A., Mahillon J., Markowitz V., Mavromatis K., Mukamolova G.V.,
RA   Oren A., Rokem J.S., Smith M.C., Young D.I., Greenblatt C.L.;
RT   "Genome sequence of the Fleming strain of Micrococcus luteus, a simple
RT   free-living actinobacterium.";
RL   J. Bacteriol. 192:841-860(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; CP001628; ACS30398.1; -; Genomic_DNA.
DR   RefSeq; WP_010078962.1; NZ_WBMF01000056.1.
DR   AlphaFoldDB; C5CAC9; -.
DR   SMR; C5CAC9; -.
DR   STRING; 465515.Mlut_08750; -.
DR   PRIDE; C5CAC9; -.
DR   EnsemblBacteria; ACS30398; ACS30398; Mlut_08750.
DR   KEGG; mlu:Mlut_08750; -.
DR   eggNOG; COG0066; Bacteria.
DR   HOGENOM; CLU_081378_0_1_11; -.
DR   OMA; AFTTHTG; -.
DR   OrthoDB; 1384217at2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000000738; 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..201
FT                   /note="3-isopropylmalate dehydratase small subunit"
FT                   /id="PRO_1000213353"
SQ   SEQUENCE   201 AA;  22100 MW;  7AE98FFDE3C31078 CRC64;
     MEKFTTHTGV GVPLRASNVD TDQIIPAVYL KRISRTGFED ALFAGWRQDP DFILNTEPFS
     GGTVLVAGSD FGTGSSREHA VWALKDYGFR AVISPRFADI FRGNSAKQGL VAAQVEQEDV
     ERIWKELENR PGTTVTVDLV TRTVECGDVT APFQIDDDTR RRLLEGLDDI AVTLGHQAEI
     DAYEADRPAY KPTTLPARTA G