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Literature summary for 3.1.4.12 extracted from

  • Duan, R.; Cheng, Y.; Joensson, B.A.; Ohlsson, L.; Herbst, A.; Hellstroem-Westas, L.; Nilsson, A.
    Human meconium contains significant amounts of alkaline sphingomyelinase, neutral ceramidase, and sphingolipid metabolites (2006), Pediatr. Res., 61, 61-66.
    View publication on PubMed

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
sphingomyelin + H2O Homo sapiens the alkaline sphingomyelinase together with the neutral ceramidase catalyzes the hydrolysis of endogenous sphingomyelin and milk sphingomyelin in milk-fed infants, overview N-acylsphingosine + choline phosphate
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
intestine
-
Homo sapiens
-
meconium first faeces of an infant Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
activity of Alk-SMase and correlation to neutral ceramidase in meconium of different gestational ages, overview Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
sphingomyelin + H2O
-
Homo sapiens N-acylsphingosine + choline phosphate
-
?
sphingomyelin + H2O the alkaline sphingomyelinase together with the neutral ceramidase catalyzes the hydrolysis of endogenous sphingomyelin and milk sphingomyelin in milk-fed infants, overview Homo sapiens N-acylsphingosine + choline phosphate
-
?

Synonyms

Synonyms Comment Organism
alk-SMase
-
Homo sapiens
alkaline sphingomyelinase
-
Homo sapiens

Temperature Optimum [°C]

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
alkaline sphingomyelinase assay at Homo sapiens