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Literature summary for 3.1.4.12 extracted from

  • Larsen, K.L.; Andersen, R.J.; Brask, J.
    Synthesis of substrates for periodate-coupled assay of phospholipases C and sphingomyelinases (2016), Enzyme Microb. Technol., 91, 66-71 .
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
12.6
-
4-(4-nitrophenoxy)-2-hydroxy-butyl-1-phosphorylcholine at pH 7.0 and 40°C Kionochaeta sp.
39.6
-
4-(4-nitrophenoxy)-2-hydroxy-butyl-1-phosphorylcholine at pH 7.0 and 40°C Rasamsonia emersonii

Organism

Organism UniProt Comment Textmining
Kionochaeta sp.
-
-
-
Rasamsonia emersonii
-
-
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.13
-
with 4-(4-nitrophenoxy)-2-hydroxy-butyl-1-phosphorylcholine as substrate, at pH 7.0 and 40°C Rasamsonia emersonii
0.13
-
with 4-(4-nitrophenoxy)-2-hydroxy-butyl-1-phosphorylcholine as substrate, at pH 7.0 and 40°C Kionochaeta sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-(4-nitrophenoxy)-2-hydroxy-butyl-1-phosphorylcholine + H2O
-
Rasamsonia emersonii ?
-
?
4-(4-nitrophenoxy)-2-hydroxy-butyl-1-phosphorylcholine + H2O
-
Kionochaeta sp. ?
-
?

Synonyms

Synonyms Comment Organism
sphingomyelinase
-
Rasamsonia emersonii
sphingomyelinase
-
Kionochaeta sp.

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.0033
-
4-(4-nitrophenoxy)-2-hydroxy-butyl-1-phosphorylcholine at pH 7.0 and 40°C Rasamsonia emersonii
0.0103
-
4-(4-nitrophenoxy)-2-hydroxy-butyl-1-phosphorylcholine at pH 7.0 and 40°C Kionochaeta sp.