ID A0A061P525_9BACL Unreviewed; 194 AA.
AC A0A061P525;
DT 03-SEP-2014, integrated into UniProtKB/TrEMBL.
DT 03-SEP-2014, sequence version 1.
DT 24-JAN-2024, entry version 37.
DE RecName: Full=3-isopropylmalate dehydratase small subunit {ECO:0000256|HAMAP-Rule:MF_01031};
DE EC=4.2.1.33 {ECO:0000256|HAMAP-Rule:MF_01031};
DE AltName: Full=Alpha-IPM isomerase {ECO:0000256|HAMAP-Rule:MF_01031};
DE Short=IPMI {ECO:0000256|HAMAP-Rule:MF_01031};
DE AltName: Full=Isopropylmalate isomerase {ECO:0000256|HAMAP-Rule:MF_01031};
GN Name=leuD {ECO:0000256|HAMAP-Rule:MF_01031};
GN ORFNames=JCM19038_3827 {ECO:0000313|EMBL:GAK09952.1};
OS Geomicrobium sp. JCM 19038.
OC Bacteria; Bacillota; Bacilli; Bacillales; Geomicrobium.
OX NCBI_TaxID=1460635 {ECO:0000313|EMBL:GAK09952.1, ECO:0000313|Proteomes:UP000027014};
RN [1] {ECO:0000313|EMBL:GAK09952.1, ECO:0000313|Proteomes:UP000027014}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 19038 {ECO:0000313|EMBL:GAK09952.1,
RC ECO:0000313|Proteomes:UP000027014};
RA Kudo T., Nakahara T., Zhang X., Taniyama S., Arakawa O., Murase S.,
RA Nakata H., Oshima K., Suda W., Kitamura K., Iida T., Oshida Y., Inoue T.,
RA Hongoh Y., Hattori M., Ohkuma M.;
RT "Draft Genome Sequences of Geomicrobium sp. Strains JCM 19037, JCM 19038,
RT JCM 19039, and JCM 19055, Isolated from Aquatic Samples.";
RL Genome Announc. 2:e00622-14(2014).
CC -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC isopropylmalate, via the formation of 2-isopropylmaleate.
CC {ECO:0000256|ARBA:ARBA00002695, ECO:0000256|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:0000256|ARBA:ARBA00000491,
CC ECO:0000256|HAMAP-Rule:MF_01031};
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 2/4. {ECO:0000256|ARBA:ARBA00004729,
CC ECO:0000256|HAMAP-Rule:MF_01031}.
CC -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000256|ARBA:ARBA00011271,
CC ECO:0000256|HAMAP-Rule:MF_01031}.
CC -!- SIMILARITY: Belongs to the LeuD family. LeuD type 1 subfamily.
CC {ECO:0000256|ARBA:ARBA00009845, ECO:0000256|HAMAP-Rule:MF_01031}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:GAK09952.1}.
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DR EMBL; BAXA01000018; GAK09952.1; -; Genomic_DNA.
DR RefSeq; WP_042420592.1; NZ_BAXA01000018.1.
DR AlphaFoldDB; A0A061P525; -.
DR eggNOG; COG0066; Bacteria.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000027014; Unassembled WGS sequence.
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; Aconitase, domain 4; 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 NCBIfam; TIGR00171; leuD; 1.
DR PANTHER; PTHR43345:SF5; 3-ISOPROPYLMALATE DEHYDRATASE SMALL SUBUNIT; 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|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_01031};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|HAMAP-Rule:MF_01031};
KW Leucine biosynthesis {ECO:0000256|ARBA:ARBA00022430, ECO:0000256|HAMAP-
KW Rule:MF_01031};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01031};
KW Reference proteome {ECO:0000313|Proteomes:UP000027014}.
FT DOMAIN 1..122
FT /note="Aconitase A/isopropylmalate dehydratase small
FT subunit swivel"
FT /evidence="ECO:0000259|Pfam:PF00694"
SQ SEQUENCE 194 AA; 22494 MW; 4C841D74514646FB CRC64;
MEKFTTHVGT VAALPYVNID TDQIIPKQFL KRVERTGFGQ FLFYNWRLLE NDQPDPEFPL
NYERAKDATI LVADENFGCG SSREHAAWAL QDYGFKVVIA PSFGDIFYNN SFKNGLLPVR
MPLEVVRNWE ERFEEGTLQL RVNLEEQVIE DDQGGIHTFD IDAYWKNMLI HGLDEIGLTL
QYSDHIAKYE RAVQ
//
