ID   LEUD_NEIMB              Reviewed;         213 AA.
AC   Q9JZI6;
DT   19-SEP-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   25-MAY-2022, entry version 109.
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=NMB1034;
OS   Neisseria meningitidis serogroup B (strain MC58).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC   Neisseria.
OX   NCBI_TaxID=122586;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MC58;
RX   PubMed=10710307; DOI=10.1126/science.287.5459.1809;
RA   Tettelin H., Saunders N.J., Heidelberg J.F., Jeffries A.C., Nelson K.E.,
RA   Eisen J.A., Ketchum K.A., Hood D.W., Peden J.F., Dodson R.J., Nelson W.C.,
RA   Gwinn M.L., DeBoy R.T., Peterson J.D., Hickey E.K., Haft D.H.,
RA   Salzberg S.L., White O., Fleischmann R.D., Dougherty B.A., Mason T.M.,
RA   Ciecko A., Parksey D.S., Blair E., Cittone H., Clark E.B., Cotton M.D.,
RA   Utterback T.R., Khouri H.M., Qin H., Vamathevan J.J., Gill J., Scarlato V.,
RA   Masignani V., Pizza M., Grandi G., Sun L., Smith H.O., Fraser C.M.,
RA   Moxon E.R., Rappuoli R., Venter J.C.;
RT   "Complete genome sequence of Neisseria meningitidis serogroup B strain
RT   MC58.";
RL   Science 287:1809-1815(2000).
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   ---------------------------------------------------------------------------
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; AE002098; AAF41433.1; -; Genomic_DNA.
DR   PIR; E81128; E81128.
DR   RefSeq; NP_274068.1; NC_003112.2.
DR   RefSeq; WP_002222556.1; NC_003112.2.
DR   AlphaFoldDB; Q9JZI6; -.
DR   SMR; Q9JZI6; -.
DR   STRING; 122586.NMB1034; -.
DR   PaxDb; Q9JZI6; -.
DR   EnsemblBacteria; AAF41433; AAF41433; NMB1034.
DR   KEGG; nme:NMB1034; -.
DR   PATRIC; fig|122586.8.peg.1318; -.
DR   HOGENOM; CLU_081378_0_3_4; -.
DR   OMA; AFTTHTG; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000000425; 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..213
FT                   /note="3-isopropylmalate dehydratase small subunit"
FT                   /id="PRO_0000141845"
SQ   SEQUENCE   213 AA;  24264 MW;  871B2A849D610A0B CRC64;
     MKAFTKITAI VAPLDRSNVD TDAIIPKQFL KSIKRSGFGP NAFDEWRYLD HGEPGMDNSK
     RPLNPDFSLN QPRYQGAQIL LTRKNFGCGS SREHAPWALD DYGFRAVIAP SFADIFFNNC
     YKNGLLPIVL TEERVDRLFK EVEANEGYQL SIDLAEQTLT TPSGETFTFD ITEHRKHCLL
     NGLDEIGLTL QHADEIHAFE EKRRQSQPWL FNG