ID B8DM93_DESVM Unreviewed; 163 AA.
AC B8DM93;
DT 03-MAR-2009, integrated into UniProtKB/TrEMBL.
DT 03-MAR-2009, sequence version 1.
DT 27-MAR-2024, entry version 76.
DE RecName: Full=3-isopropylmalate dehydratase small subunit {ECO:0000256|HAMAP-Rule:MF_01032};
DE EC=4.2.1.33 {ECO:0000256|HAMAP-Rule:MF_01032};
DE AltName: Full=Alpha-IPM isomerase {ECO:0000256|HAMAP-Rule:MF_01032};
DE Short=IPMI {ECO:0000256|HAMAP-Rule:MF_01032};
DE AltName: Full=Isopropylmalate isomerase {ECO:0000256|HAMAP-Rule:MF_01032};
GN Name=leuD {ECO:0000256|HAMAP-Rule:MF_01032};
GN OrderedLocusNames=DvMF_1793 {ECO:0000313|EMBL:ACL08737.1};
OS Desulfovibrio vulgaris (strain DSM 19637 / Miyazaki F).
OC Bacteria; Thermodesulfobacteriota; Desulfovibrionia; Desulfovibrionales;
OC Desulfovibrionaceae; Nitratidesulfovibrio.
OX NCBI_TaxID=883 {ECO:0000313|EMBL:ACL08737.1};
RN [1] {ECO:0000313|EMBL:ACL08737.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=Miyazaki F {ECO:0000313|EMBL:ACL08737.1};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Sims D., Brettin T., Detter J.C., Han C.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Hazen T.C.,
RA Richardson P.;
RT "Complete sequence of Desulfovibrio vulgaris str. 'Miyazaki F'.";
RL Submitted (OCT-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC isopropylmalate, via the formation of 2-isopropylmaleate.
CC {ECO:0000256|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:0000256|HAMAP-Rule:MF_01032};
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 2/4. {ECO:0000256|HAMAP-
CC Rule:MF_01032}.
CC -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000256|HAMAP-
CC Rule:MF_01032}.
CC -!- SIMILARITY: Belongs to the LeuD family. LeuD type 2 subfamily.
CC {ECO:0000256|ARBA:ARBA00009869, ECO:0000256|HAMAP-Rule:MF_01032}.
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DR EMBL; CP001197; ACL08737.1; -; Genomic_DNA.
DR AlphaFoldDB; B8DM93; -.
DR STRING; 883.DvMF_1793; -.
DR KEGG; dvm:DvMF_1793; -.
DR eggNOG; COG0066; Bacteria.
DR HOGENOM; CLU_081378_1_1_7; -.
DR OrthoDB; 9777465at2; -.
DR UniPathway; UPA00048; UER00071.
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; Aconitase, domain 4; 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 NCBIfam; TIGR02087; LEUD_arch; 1.
DR PANTHER; PTHR43345:SF2; 3-ISOPROPYLMALATE DEHYDRATASE SMALL SUBUNIT 1-RELATED; 1.
DR PANTHER; PTHR43345; 3-ISOPROPYLMALATE DEHYDRATASE SMALL SUBUNIT 2-RELATED-RELATED; 1.
DR Pfam; PF00694; Aconitase_C; 1.
DR SUPFAM; SSF52016; LeuD/IlvD-like; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_01032};
KW Branched-chain amino acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_01032};
KW Leucine biosynthesis {ECO:0000256|HAMAP-Rule:MF_01032};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01032}.
FT DOMAIN 53..105
FT /note="Aconitase A/isopropylmalate dehydratase small
FT subunit swivel"
FT /evidence="ECO:0000259|Pfam:PF00694"
SQ SEQUENCE 163 AA; 17411 MW; 910D0ADC16F97512 CRC64;
MSYTGTAHKV GEHIDTDAII PARFLVTTDT QKLGENCMAG LEEGWVKRVK PGDVMVAGRN
FGCGSSREHA PIAILGAGMP VVIAHSFARI FYRNAFNMGL LLLEVGDEVD KIADGDTVEV
DAAKGLITNR TTGATITCPP LPASMRELLD KGGLVPYVRE KLA
//
