ID   LEUD_BRUME              Reviewed;         201 AA.
AC   P65275; Q8YCW7;
DT   11-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2004, sequence version 1.
DT   03-AUG-2022, entry version 94.
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=BMEII0411;
OS   Brucella melitensis biotype 1 (strain 16M / ATCC 23456 / NCTC 10094).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX   NCBI_TaxID=224914;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=16M / ATCC 23456 / NCTC 10094;
RX   PubMed=11756688; DOI=10.1073/pnas.221575398;
RA   DelVecchio V.G., Kapatral V., Redkar R.J., Patra G., Mujer C., Los T.,
RA   Ivanova N., Anderson I., Bhattacharyya A., Lykidis A., Reznik G.,
RA   Jablonski L., Larsen N., D'Souza M., Bernal A., Mazur M., Goltsman E.,
RA   Selkov E., Elzer P.H., Hagius S., O'Callaghan D., Letesson J.-J.,
RA   Haselkorn R., Kyrpides N.C., Overbeek R.;
RT   "The genome sequence of the facultative intracellular pathogen Brucella
RT   melitensis.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:443-448(2002).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAL53653.1; Type=Erroneous initiation; Evidence={ECO:0000305};
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AE008918; AAL53653.1; ALT_INIT; Genomic_DNA.
DR   PIR; AB3561; AB3561.
DR   RefSeq; WP_002965763.1; NZ_GG703779.1.
DR   AlphaFoldDB; P65275; -.
DR   SMR; P65275; -.
DR   STRING; 224914.BMEII0411; -.
DR   EnsemblBacteria; AAL53653; AAL53653; BMEII0411.
DR   GeneID; 45126196; -.
DR   GeneID; 55592518; -.
DR   KEGG; bme:BMEII0411; -.
DR   PATRIC; fig|224914.52.peg.2962; -.
DR   eggNOG; COG0066; Bacteria.
DR   OMA; AFTTHTG; -.
DR   PhylomeDB; P65275; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000000419; Chromosome II.
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.
FT   CHAIN           1..201
FT                   /note="3-isopropylmalate dehydratase small subunit"
FT                   /id="PRO_0000141795"
SQ   SEQUENCE   201 AA;  22236 MW;  645359C20A74E34E CRC64;
     MDKFTKLTGV AAPLPIVNID TDMIIPKDYL KTIKRTGLGK GLFAEMRFNE DGSENPDFVL
     NKPGYRKAQI LVAGDNFGCG SSREHAPWAL LDYGIRCVIS TSFADIFYNN CFKNGILPIK
     VAQEDLDKLM DDASRGANAT LTIDLETKQI HGPDGGTISF DLDDFKRHCL LNGLDDIGLT
     MEKAKSIDTF EAKNAEERPW A