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Literature summary for 3.1.4.12 extracted from

  • Spence, M.W.; Byers, D.M.; Palmer, F.B.St.C.; Cook, H.W.
    A new Zn2+-stimulated sphingomyelinase in fetal bovine serum (1989), J. Biol. Chem., 264, 5358-5363.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
sodium deoxycholate
-
Bos taurus
Triton X-100
-
Homo sapiens
Triton X-100 stimulates up to 15fold Bos taurus

Inhibitors

Inhibitors Comment Organism Structure
AMP
-
Bos taurus
EDTA
-
Bos taurus

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+
-
Bos taurus
Zn2+
-
Homo sapiens
Zn2+
-
Bos taurus

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-
Equus caballus
-
-
-
Homo sapiens
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Homo sapiens
-
brain
-
Bos taurus
-
liver
-
Homo sapiens
-
liver
-
Bos taurus
-
serum
-
Equus caballus
-
serum fetal Bos taurus
-
serum newborn Bos taurus
-
serum from cord blood of infants of 30-40 weeks, of adults from normal healthy volunteers of either sex, from patients with Padgetis disease Homo sapiens
-

Storage Stability

Storage Stability Organism
-20°C, up to 1 year Homo sapiens
-20°C, up to 1 year Bos taurus
-20°C, up to 1 year Equus caballus

Substrates and Products (Substrate)

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

Temperature Optimum [°C]

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

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
55
-
up to Bos taurus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5
-
-
Homo sapiens
5.5
-
-
Bos taurus