LEUD_SULDN
ID LEUD_SULDN Reviewed; 167 AA.
AC Q30RK1;
DT 26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 06-DEC-2005, sequence version 1.
DT 25-MAY-2022, entry version 92.
DE RecName: Full=3-isopropylmalate dehydratase small subunit {ECO:0000255|HAMAP-Rule:MF_01032};
DE EC=4.2.1.33 {ECO:0000255|HAMAP-Rule:MF_01032};
DE AltName: Full=Alpha-IPM isomerase {ECO:0000255|HAMAP-Rule:MF_01032};
DE Short=IPMI {ECO:0000255|HAMAP-Rule:MF_01032};
DE AltName: Full=Isopropylmalate isomerase {ECO:0000255|HAMAP-Rule:MF_01032};
GN Name=leuD {ECO:0000255|HAMAP-Rule:MF_01032}; OrderedLocusNames=Suden_1102;
OS Sulfurimonas denitrificans (strain ATCC 33889 / DSM 1251) (Thiomicrospira
OS denitrificans (strain ATCC 33889 / DSM 1251)).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Thiovulaceae; Sulfurimonas.
OX NCBI_TaxID=326298;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33889 / DSM 1251;
RX PubMed=18065616; DOI=10.1128/aem.01844-07;
RA Sievert S.M., Scott K.M., Klotz M.G., Chain P.S.G., Hauser L.J., Hemp J.,
RA Huegler M., Land M., Lapidus A., Larimer F.W., Lucas S., Malfatti S.A.,
RA Meyer F., Paulsen I.T., Ren Q., Simon J., Bailey K., Diaz E.,
RA Fitzpatrick K.A., Glover B., Gwatney N., Korajkic A., Long A.,
RA Mobberley J.M., Pantry S.N., Pazder G., Peterson S., Quintanilla J.D.,
RA Sprinkle R., Stephens J., Thomas P., Vaughn R., Weber M.J., Wooten L.L.;
RT "Genome of the epsilonproteobacterial chemolithoautotroph Sulfurimonas
RT denitrificans.";
RL Appl. Environ. Microbiol. 74:1145-1156(2008).
CC -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC isopropylmalate, via the formation of 2-isopropylmaleate.
CC {ECO:0000255|HAMAP-Rule:MF_01032}.
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_01032};
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_01032}.
CC -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000255|HAMAP-
CC Rule:MF_01032}.
CC -!- SIMILARITY: Belongs to the LeuD family. LeuD type 2 subfamily.
CC {ECO:0000255|HAMAP-Rule:MF_01032}.
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DR EMBL; CP000153; ABB44380.1; -; Genomic_DNA.
DR RefSeq; WP_011372732.1; NC_007575.1.
DR AlphaFoldDB; Q30RK1; -.
DR SMR; Q30RK1; -.
DR STRING; 326298.Suden_1102; -.
DR EnsemblBacteria; ABB44380; ABB44380; Suden_1102.
DR KEGG; tdn:Suden_1102; -.
DR eggNOG; COG0066; Bacteria.
DR HOGENOM; CLU_081378_1_1_7; -.
DR OMA; GLPIIEC; -.
DR OrthoDB; 1384217at2; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000002714; Chromosome.
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_01032; LeuD_type2; 1.
DR InterPro; IPR015928; Aconitase/3IPM_dehydase_swvl.
DR InterPro; IPR000573; AconitaseA/IPMdHydase_ssu_swvl.
DR InterPro; IPR033940; IPMI_Swivel.
DR InterPro; IPR011827; LeuD_type2/HacB/DmdB.
DR Pfam; PF00694; Aconitase_C; 1.
DR TIGRFAMs; TIGR02087; LEUD_arch; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; Branched-chain amino acid biosynthesis;
KW Leucine biosynthesis; Lyase; Reference proteome.
FT CHAIN 1..167
FT /note="3-isopropylmalate dehydratase small subunit"
FT /id="PRO_1000072973"
SQ SEQUENCE 167 AA; 18247 MW; 2178A4E0F208A66B CRC64;
MQKANIDGKV WRFGKDIDTD LIIAARYLST SVPEELAKHV MEDADPQFVK KMSSGDIIVA
GENFGCGSSR EHAPIALKAA GVAAVIAPTF ARIFYRNAFN MGLPIFELQE SAEIAEGDEI
SVDMNNGTIT NKTSSKVYKF IPIPQFMQEL IDAGGLMNFA QNEIKGK
