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Literature summary for 3.1.4.12 extracted from

  • Duan, R.D.; Nilsson, A.
    Purification of a newly identified alkaline sphingomyelinase in human bile and effects of bile salts and phosphatidylcholine on enzyme activity (1997), Hepatology, 26, 823-830.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
cholate
-
Homo sapiens
glycocholate
-
Homo sapiens
salts trihydroxy- and dihydroxy-bile salt Homo sapiens
taurocholate
-
Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
3-[(3-cholamidopropyl)dimethyl-ammonio]-1-propanesulfonate inhibits taurocholate-induced activation Homo sapiens
phosphorylcholine
-
Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.025
-
sphingomyelin
-
Homo sapiens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
95000
-
1 * 95000, SDS-PAGE Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
bile
-
Homo sapiens
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
phosphatidylcholine + H2O
-
Homo sapiens diacylglycerol + choline phosphate
-
?
sphingomyelin + H2O
-
Homo sapiens N-acylsphingosine + choline phosphate
-
?

Subunits

Subunits Comment Organism
monomer 1 * 95000, SDS-PAGE Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
-
Homo sapiens