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Literature summary for 4.2.1.17 extracted from

  • Wu, L.; Lin, S.; Li, D.
    Comparative inhibition studies of enoyl-CoA hydratase 1 and enoyl-CoA hydratase 2 in long-chain fatty acid oxidation (2008), Org. Lett., 10, 3355-3358.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression of a His6-tagged truncated ECH2 mutant enzyme Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
(R)-methylenecyclopropylformyl-CoA methylenecyclopropylformyl-CoA is a better inhibitor for enoyl-CoA hydratase 2 than for enoyl-CoA hydratase 1 Rattus norvegicus
(S)-methylenecyclopropylformyl-CoA methylenecyclopropylformyl-CoA is a better inhibitor for enoyl-CoA hydratase 2 than for enoyl-CoA hydratase 1 Rattus norvegicus
3-octynoyl-CoA irreversibly inactivates only enoyl-CoA hydratase 2, the catalytic residue Glu47 is covalently labeled by the inhibitor Rattus norvegicus
methylenecyclopropylformyl-CoA a metabolite derived from a natural amino acid, (methylenecyclopropyl)glycine, that inactivates enoyl-CoA hydratase 1 and enoyl-CoA hydratase 2. Competence of (R)- and (S)-MCPF-CoA to inactivate the ECH2 and kinetic analysis, enzyme-inhibitor complex structures, mass spectrometric analysis, inhibition mechanism, overview Rattus norvegicus
additional information 3-octynoyl-CoA is not an inhibitor of enoyl-CoA hydratase 1 Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
mitochondrion
-
Rattus norvegicus 5739
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Rattus norvegicus In eukaryotes, ECH2 is a 31 kDa integral part of multifunctional protein-2, MFP-2, also called multifunctional enzyme 2, D-bifunctional enzyme, or 17-beta-estradiol dehydrogenase type IV. The MFP-2 plays a central role in peroxisomal beta-oxidation as it handles most peroxisomal beta-oxidation substrates ?
-
?
additional information Rattus norvegicus the beta-oxidation in mitochondria involves a (3S)-hydroxyacyl-CoA intermediate, while the beta-oxidation in peroxisomes has a (3R)-hydroxyacyl-CoA intermediate. The enzymes responsible for the formation of these two different intermediates are enoyl-CoA hydratase 1 (ECH1) in mitochondria and enoyl-CoA hydratase 2 (ECH2) in peroxisomes ?
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant His6-tagged truncated ECH2 mutant enzyme Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3-octynoyl-CoA + H2O reaction of ECH1, ECH2 is inactivated by the compound, it is possible that 3-octynoyl-CoA is isomerized to reactive 2,3-octadienoyl-CoA, overview Rattus norvegicus 3-ketooctanoyl-CoA
-
?
additional information In eukaryotes, ECH2 is a 31 kDa integral part of multifunctional protein-2, MFP-2, also called multifunctional enzyme 2, D-bifunctional enzyme, or 17-beta-estradiol dehydrogenase type IV. The MFP-2 plays a central role in peroxisomal beta-oxidation as it handles most peroxisomal beta-oxidation substrates Rattus norvegicus ?
-
?
additional information the beta-oxidation in mitochondria involves a (3S)-hydroxyacyl-CoA intermediate, while the beta-oxidation in peroxisomes has a (3R)-hydroxyacyl-CoA intermediate. The enzymes responsible for the formation of these two different intermediates are enoyl-CoA hydratase 1 (ECH1) in mitochondria and enoyl-CoA hydratase 2 (ECH2) in peroxisomes Rattus norvegicus ?
-
?

Subunits

Subunits Comment Organism
hexamer mitochondrial ECH1 that exists as a hexamer Rattus norvegicus
homodimer ECH2 exists as a homodimer in its crystal structure Rattus norvegicus

Synonyms

Synonyms Comment Organism
ECH1
-
Rattus norvegicus
ECH2
-
Rattus norvegicus
enoyl-CoA hydratase 1
-
Rattus norvegicus
enoyl-CoA hydratase 2
-
Rattus norvegicus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Rattus norvegicus

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.041
-
(R)-methylenecyclopropylformyl-CoA 25°C, ECH2 Rattus norvegicus
0.047
-
(R)-methylenecyclopropylformyl-CoA 25°C, ECH1 Rattus norvegicus
0.049
-
(R)-methylenecyclopropylformyl-CoA 25°C, ECH1 Rattus norvegicus
0.0492
-
(R)-methylenecyclopropylformyl-CoA 25°C Rattus norvegicus
0.053
-
(S)-methylenecyclopropylformyl-CoA 25°C, ECH2 Rattus norvegicus
0.0571
-
(S)-methylenecyclopropylformyl-CoA 25°C Rattus norvegicus
0.065
-
3-octynoyl-CoA ECH2 Rattus norvegicus