ID L8A136_9BACI Unreviewed; 197 AA.
AC L8A136;
DT 03-APR-2013, integrated into UniProtKB/TrEMBL.
DT 03-APR-2013, sequence version 1.
DT 24-JAN-2024, entry version 55.
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 ECO:0000313|EMBL:AGE23244.1};
GN ORFNames=GHH_c27330 {ECO:0000313|EMBL:AGE23244.1};
OS Geobacillus sp. GHH01.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Geobacillus.
OX NCBI_TaxID=1233873 {ECO:0000313|EMBL:AGE23244.1, ECO:0000313|Proteomes:UP000011251};
RN [1] {ECO:0000313|EMBL:AGE23244.1, ECO:0000313|Proteomes:UP000011251}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=GHH01 {ECO:0000313|EMBL:AGE23244.1};
RX PubMed=23618712;
RA Wiegand S., Rabausch U., Chow J., Daniel R., Streit W.R., Liesegang H.;
RT "Complete Genome Sequence of Geobacillus sp. Strain GHH01, a Thermophilic
RT Lipase-Secreting Bacterium.";
RL Genome Announc. 1:E0009213-E0009213(2013).
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}.
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DR EMBL; CP004008; AGE23244.1; -; Genomic_DNA.
DR RefSeq; WP_011232131.1; NC_020210.1.
DR AlphaFoldDB; L8A136; -.
DR SMR; L8A136; -.
DR GeneID; 69833540; -.
DR KEGG; ggh:GHH_c27330; -.
DR PATRIC; fig|1233873.3.peg.2930; -.
DR HOGENOM; CLU_081378_0_3_9; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000011251; 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; 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}.
FT DOMAIN 1..123
FT /note="Aconitase A/isopropylmalate dehydratase small
FT subunit swivel"
FT /evidence="ECO:0000259|Pfam:PF00694"
SQ SEQUENCE 197 AA; 23101 MW; 387B4AF580428D26 CRC64;
MKPFTIHRGK TAGIDRANID TDQIIPKQFL KRIERTGFGQ FLFYDWRYLS DGTPNPEFEL
NRPENEGATI LVADENFGCG SSREHAPWAL QDYGFRVIIA PSFADIFYNN CLKNGLLPIR
LDKEDVRYLL RQSERADYEL TVSLEEQRVF DDEGFSRPFD IDPYRKQLLL KGWDEIDLTF
VYEAHIAAYE RRHCPRP
//
