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LEUD_MYCPA
ID   LEUD_MYCPA              Reviewed;         198 AA.
AC   Q73VI8;
DT   10-JAN-2006, integrated into UniProtKB/Swiss-Prot.
DT   10-JAN-2006, sequence version 2.
DT   25-MAY-2022, entry version 104.
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=MAP_3025c;
OS   Mycolicibacterium paratuberculosis (strain ATCC BAA-968 / K-10)
OS   (Mycobacterium paratuberculosis).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium; Mycobacterium avium complex (MAC).
OX   NCBI_TaxID=262316;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-968 / K-10;
RX   PubMed=16116077; DOI=10.1073/pnas.0505662102;
RA   Li L., Bannantine J.P., Zhang Q., Amonsin A., May B.J., Alt D., Banerji N.,
RA   Kanjilal S., Kapur V.;
RT   "The complete genome sequence of Mycobacterium avium subspecies
RT   paratuberculosis.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:12344-12349(2005).
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=AAS05573.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE016958; AAS05573.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_003875017.1; NC_002944.2.
DR   AlphaFoldDB; Q73VI8; -.
DR   SMR; Q73VI8; -.
DR   STRING; 262316.MAP_3025c; -.
DR   EnsemblBacteria; AAS05573; AAS05573; MAP_3025c.
DR   KEGG; mpa:MAP_3025c; -.
DR   PATRIC; fig|262316.17.peg.3205; -.
DR   eggNOG; COG0066; Bacteria.
DR   HOGENOM; CLU_081378_0_1_11; -.
DR   OMA; AFTTHTG; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000000580; 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..198
FT                   /note="3-isopropylmalate dehydratase small subunit"
FT                   /id="PRO_0000141839"
SQ   SEQUENCE   198 AA;  21934 MW;  F06F0DA1C7ACB2AB CRC64;
     MEAFHTHTGI GVPLRRSNVD TDQIIPAVYL KRVTRTGFED GLFASWRSDP SFVLNLSPFD
     RGSVLVAGPD FGTGSSREHA VWALMDYGFR VVISSRFGDI FRGNAGKAGL LAAEVSQDGV
     ELLWKLIEQS PGLEITANLQ DRNITAGTTV LPFKIDDHTA WRLLEGLDDI ALTLRKLDRI
     ESYEATYPDW KPRTSPVA
 
 
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