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Literature summary for 3.1.4.12 extracted from

  • Vanha-Perttula, T.
    Sphingomyelinases in human, bovine and porcine seminal plasma (1988), FEBS Lett., 233, 263-267.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Chelating agents
-
Bos taurus
Cu2+
-
Bos taurus
Cu2+
-
Homo sapiens
Cu2+
-
Sus scrofa
Fe2+
-
Bos taurus
Hg2+
-
Bos taurus
Pb2+
-
Bos taurus
Zn2+
-
Bos taurus
Zn2+
-
Homo sapiens

Metals/Ions

Metals/Ions Comment Organism Structure
Cd2+
-
Bos taurus
Co2+
-
Bos taurus
Mn2+
-
Bos taurus
Ni2+
-
Bos taurus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
60000
-
x * 60000, SDS-PAGE Bos taurus
160000
-
native PAGE 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
-
bull
-
Homo sapiens
-
-
-
Sus scrofa
-
boar
-

Purification (Commentary)

Purification (Comment) Organism
325fold Bos taurus

Source Tissue

Source Tissue Comment Organism Textmining
cauda epididymis
-
Bos taurus
-
seminal plasma
-
Homo sapiens
-
seminal plasma
-
Sus scrofa
-
seminal plasma
-
Bos taurus
-

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.
hexadecanoyl-p-nitrophenylphosphorylcholine + H2O
-
Homo sapiens hexadecanoyl-p-nitrophenol + choline phosphate
-
?
hexadecanoyl-p-nitrophenylphosphorylcholine + H2O
-
Bos taurus hexadecanoyl-p-nitrophenol + choline phosphate
-
?
N-methylsphingomyelin + H2O
-
Homo sapiens ?
-
?
N-methylsphingomyelin + H2O
-
Sus scrofa ?
-
?
N-methylsphingomyelin + H2O
-
Bos taurus ?
-
?
sphingomyelin + H2O
-
Homo sapiens ?
-
?
sphingomyelin + H2O
-
Bos taurus ?
-
?

Subunits

Subunits Comment Organism
?
-
Homo sapiens
? x * 60000, SDS-PAGE Bos taurus

Temperature Range [°C]

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

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
50% suppression Homo sapiens
50
-
50% suppression Sus scrofa
55
-
stable at Bos taurus
65
-
15 min, 50% loss of activity Bos taurus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4 5
-
Homo sapiens
4 5
-
Sus scrofa
6.5
-
-
Bos taurus

pH Range

pH Minimum pH Maximum Comment Organism
5 8
-
Homo sapiens
5 8
-
Bos taurus