ID R4KKF3_9FIRM Unreviewed; 164 AA.
AC R4KKF3;
DT 24-JUL-2013, integrated into UniProtKB/TrEMBL.
DT 24-JUL-2013, sequence version 1.
DT 24-JAN-2024, entry version 48.
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 ORFNames=Desgi_2646 {ECO:0000313|EMBL:AGL02052.1};
OS Desulfoscipio gibsoniae DSM 7213.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Desulfallaceae;
OC Desulfoscipio.
OX NCBI_TaxID=767817 {ECO:0000313|EMBL:AGL02052.1, ECO:0000313|Proteomes:UP000013520};
RN [1] {ECO:0000313|EMBL:AGL02052.1, ECO:0000313|Proteomes:UP000013520}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 7213 {ECO:0000313|EMBL:AGL02052.1,
RC ECO:0000313|Proteomes:UP000013520};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Ovchinnikova G., Teshima H., Detter J.C., Han C., Tapia R.,
RA Land M., Hauser L., Kyrpides N., Ivanova N., Pagani I., Parshina S.,
RA Plugge C., Muyzer G., Kuever J., Ivanova A., Nazina T., Klenk H.-P.,
RA Brambilla E., Spring S., Stams A.F., Woyke T.;
RT "Complete sequence of Desulfotomaculum gibsoniae DSM 7213.";
RL Submitted (JAN-2012) 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; CP003273; AGL02052.1; -; Genomic_DNA.
DR RefSeq; WP_006521780.1; NC_021184.1.
DR AlphaFoldDB; R4KKF3; -.
DR STRING; 767817.Desgi_2646; -.
DR KEGG; dgi:Desgi_2646; -.
DR eggNOG; COG0066; Bacteria.
DR HOGENOM; CLU_081378_1_1_9; -.
DR OrthoDB; 9777465at2; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000013520; 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; 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};
KW Reference proteome {ECO:0000313|Proteomes:UP000013520}.
FT DOMAIN 50..99
FT /note="Aconitase A/isopropylmalate dehydratase small
FT subunit swivel"
FT /evidence="ECO:0000259|Pfam:PF00694"
SQ SEQUENCE 164 AA; 17598 MW; 0DAC1F22B7BDA2B6 CRC64;
MLKGRVCKFG ANIDTDAIIP ARYANLSDAV ELGKHCMENI EPGFSGRVKP GDILVAESNF
GCGSSREIAP MAIMGAGISC VIARSFARIF FRNAINIGLP LLDCPEAIDK TKEGDYLEVD
LSSGLIKNVT AGLLFKAVPF PSFIRDLISA GGLLEYTLKK DRGE
//
