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Literature summary for 3.1.4.12 extracted from

  • Samet, D.; Barenholz, Y.
    Characterization of acidic and neutral sphingomyelinase activities in crude extracts of HL-60 cells (1999), Chem. Phys. Lipids, 102, 65-77.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Triton X-100
-
Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.2
-
sphingomyelin
-
Homo sapiens

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+
-
Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
sphingomyelin + H2O Homo sapiens
-
?
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
HL-60 cell
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
different assay conditions, substrates etc. Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
lissamine-rhodamine dodecanoyl sphingosyl phosphocholine + H2O neutral sphingomyelinase Homo sapiens ?
-
?
sphingomyelin + H2O
-
Homo sapiens N-acylsphingosine + choline phosphate
-
?
sphingomyelin + H2O
-
Homo sapiens ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
-
Homo sapiens