ID   LEUD_GLAP5              Reviewed;         201 AA.
AC   B8F3W7;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   25-MAY-2022, entry version 65.
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=HAPS_0335;
OS   Glaesserella parasuis serovar 5 (strain SH0165) (Haemophilus parasuis).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Glaesserella.
OX   NCBI_TaxID=557723;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SH0165;
RX   PubMed=19074396; DOI=10.1128/jb.01682-08;
RA   Yue M., Yang F., Yang J., Bei W., Cai X., Chen L., Dong J., Zhou R.,
RA   Jin M., Jin Q., Chen H.;
RT   "Complete genome sequence of Haemophilus parasuis SH0165.";
RL   J. Bacteriol. 191:1359-1360(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_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; CP001321; ACL32019.1; -; Genomic_DNA.
DR   RefSeq; WP_005713658.1; NC_011852.1.
DR   AlphaFoldDB; B8F3W7; -.
DR   SMR; B8F3W7; -.
DR   STRING; 557723.HAPS_0335; -.
DR   EnsemblBacteria; ACL32019; ACL32019; HAPS_0335.
DR   GeneID; 66618770; -.
DR   KEGG; hap:HAPS_0335; -.
DR   HOGENOM; CLU_081378_0_3_6; -.
DR   OMA; AFTTHTG; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000006743; 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_1000149415"
SQ   SEQUENCE   201 AA;  22742 MW;  3B044074A7C59C1E CRC64;
     MAKEFKQHTG LAVPLDASHV DTDAIIPKQF LQKVTRVGFG AHLFHEWRFL DDEGKQPNPD
     FVLNFPRYQG ASILLARENF GCGSSREHAP WALDDYGIRA IIAPSFADIF YGNSLNNQML
     PVRLSEEEVD ELFKYVEANE GATITVDLEA QTVSANGKTY HFEIDSFRRH CLLNGLDNIG
     LTLQHEEKIA DYESKIPAFL R