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Literature summary for 4.2.1.18 extracted from

  • Gibson, K.M.
    Assay of 3-methylglutaconyl-CoA hydratase (1988), Methods Enzymol., 166, 214-218.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0069
-
(S)-3-hydroxymethylglutaryl-CoA fibroblast enzyme Homo sapiens
0.0094
-
(S)-3-hydroxymethylglutaryl-CoA lymphocyte enzyme Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
(S)-3-Hydroxy-3-methylglutaryl-CoA Homo sapiens penultimate step in Leu catabolism ?
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
fibroblast
-
Homo sapiens
-
lymphocyte
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
highly sensitive assay method, that allows reliable determination of enzyme activity in crude extract Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(S)-3-hydroxy-3-methylglutaryl-CoA
-
Homo sapiens trans-3-methylglutaconyl-CoA + H2O
-
r
(S)-3-Hydroxy-3-methylglutaryl-CoA penultimate step in Leu catabolism Homo sapiens ?
-
?
trans-3-methylglutaconyl-CoA + H2O
-
Homo sapiens (S)-3-hydroxymethylglutaryl-CoA
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 7.5
-
Homo sapiens