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Literature summary for 3.5.1.23 extracted from

  • Yada, Y.; Higuchi, K.; Imokawa, G.
    Purifiction and biochemical characterization of membrane-bound epidermal ceramides from guinea pig skin (1995), J. Biol. Chem., 270, 12677-12684.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
lysophosphatidic acid isoenzyme I only Cavia porcellus
additional information no inhibition by phosphatidylethanolamine, phosphatidylinositol, phosphatidylglycerol Cavia porcellus
phosphatidylcholine
-
Cavia porcellus
sphingomyelin
-
Cavia porcellus
sphingosine
-
Cavia porcellus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
62000
-
isoenzyme II, gel filtration Cavia porcellus
150000
-
isoenzyme I, gel filtration, SDS-PAGE Cavia porcellus

Organism

Organism UniProt Comment Textmining
Cavia porcellus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
1133.54fold, isoenzyme I, 404.32fold, isoenzyme II Cavia porcellus

Source Tissue

Source Tissue Comment Organism Textmining
skin epidermal sheets Cavia porcellus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.04
-
isoenzyme II Cavia porcellus
5.72
-
isoenzyme I Cavia porcellus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
linoleoylsphingosine + H2O
-
Cavia porcellus linoleic acid + sphingosine
-
?
N-oleoylsphingosine + H2O
-
Cavia porcellus oleic acid + sphingosine
-
?
N-palmitoylsphingosine + H2O
-
Cavia porcellus palmitic acid + sphingosine
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 10 isoenzyme I Cavia porcellus
8 9 isoenzyme II Cavia porcellus