ID I3TW31_TISMK Unreviewed; 211 AA.
AC I3TW31;
DT 05-SEP-2012, integrated into UniProtKB/TrEMBL.
DT 05-SEP-2012, sequence version 1.
DT 27-MAR-2024, entry version 55.
DE RecName: Full=3-isopropylmalate dehydratase {ECO:0000256|ARBA:ARBA00011998};
DE EC=4.2.1.33 {ECO:0000256|ARBA:ARBA00011998};
GN Name=leuD {ECO:0000313|EMBL:AFK56969.1};
GN OrderedLocusNames=TMO_c0359 {ECO:0000313|EMBL:AFK56969.1};
OS Tistrella mobilis (strain KA081020-065).
OG Plasmid pTM3 {ECO:0000313|EMBL:AFK56969.1,
OG ECO:0000313|Proteomes:UP000005258}.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Geminicoccales;
OC Geminicoccaceae; Tistrella.
OX NCBI_TaxID=1110502 {ECO:0000313|EMBL:AFK56969.1, ECO:0000313|Proteomes:UP000005258};
RN [1] {ECO:0000313|EMBL:AFK56969.1, ECO:0000313|Proteomes:UP000005258}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KA081020-065 {ECO:0000313|Proteomes:UP000005258};
RC PLASMID=Plasmid pTM3 {ECO:0000313|Proteomes:UP000005258};
RX PubMed=22458477; DOI=10.1021/ja301735a;
RA Xu Y., Kersten R.D., Nam S.J., Lu L., Al-Suwailem A.M., Zheng H.,
RA Fenical W., Dorrestein P.C., Moore B.S., Qian P.Y.;
RT "Bacterial biosynthesis and maturation of the didemnin anti-cancer
RT agents.";
RL J. Am. Chem. Soc. 134:8625-8632(2012).
CC -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC isopropylmalate, via the formation of 2-isopropylmaleate.
CC {ECO:0000256|ARBA:ARBA00002695}.
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 -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 2/4.
CC {ECO:0000256|ARBA:ARBA00004729}.
CC -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000256|ARBA:ARBA00011271}.
CC -!- SIMILARITY: Belongs to the LeuD family. LeuD type 1 subfamily.
CC {ECO:0000256|ARBA:ARBA00009845}.
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DR EMBL; CP003239; AFK56969.1; -; Genomic_DNA.
DR RefSeq; WP_014747958.1; NC_017958.1.
DR AlphaFoldDB; I3TW31; -.
DR KEGG; tmo:TMO_c0359; -.
DR PATRIC; fig|1110502.3.peg.5229; -.
DR HOGENOM; CLU_081378_0_3_5; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000005258; Plasmid pTM3.
DR GO; GO:0009316; C:3-isopropylmalate dehydratase complex; IEA:InterPro.
DR GO; GO:0003861; F:3-isopropylmalate dehydratase activity; IEA:UniProtKB-EC.
DR GO; GO:0016853; F:isomerase activity; IEA:UniProtKB-KW.
DR GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd01577; IPMI_Swivel; 1.
DR Gene3D; 3.20.19.10; Aconitase, domain 4; 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};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304};
KW Isomerase {ECO:0000313|EMBL:AFK56969.1};
KW Leucine biosynthesis {ECO:0000256|ARBA:ARBA00022430};
KW Lyase {ECO:0000256|ARBA:ARBA00023239};
KW Plasmid {ECO:0000313|EMBL:AFK56969.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000005258}.
FT DOMAIN 5..124
FT /note="Aconitase A/isopropylmalate dehydratase small
FT subunit swivel"
FT /evidence="ECO:0000259|Pfam:PF00694"
SQ SEQUENCE 211 AA; 22857 MW; 148473980AB0AE24 CRC64;
MFEPVIRITG PAAPLPVANL DTDVIIRIER LTSGEVTGLG PWAFESIRYR PDGTEDPAFP
LNDPRWRDAR ILLAGPNFGC GSSREPAVNA ILQAGIRCVI APDFGDIFHA NCFQNGLLPI
RMDQAEVTRL MAEAEDGGDV TVDLEACTVA SPSGAVRGFT IDRARREALM AGLDDMGLTL
RHADDITAWQ QSDRARRPWV WAITGDCGVA G
//
