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Literature summary for 4.2.3.2 extracted from

  • Fleshood, H.L.; Pitot, H.C.
    The metabolism of O-phosphorylethanolamine in animal tissues. I. O-phosphorylethanolamine phospho-lyase: partial purification and characterization (1970), J. Biol. Chem., 245, 4414-4420.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Ag+ 0.1 mM, 92% inhibition Oryctolagus cuniculus
Ag+ 0.1 mM, 92% inhibition Rattus norvegicus
Cd2+ 0.1 mM, 100% inhibition Oryctolagus cuniculus
Cd2+ 0.1 mM, 100% inhibition Rattus norvegicus
CN- 1 mM, 88% inhibition Oryctolagus cuniculus
CN- 1 mM, 88% inhibition Rattus norvegicus
Co2+ 0.1 mM, 25% inhibition Oryctolagus cuniculus
Co2+ 0.1 mM, 25% inhibition Rattus norvegicus
Cu2+ 0.1 mM, 94% inhibition Oryctolagus cuniculus
Cu2+ 0.1 mM, 94% inhibition Rattus norvegicus
NaBH4
-
Oryctolagus cuniculus
p-chloromercuribenzoate 0.1 mM, 98.4% inhibition Oryctolagus cuniculus
p-chloromercuribenzoate 0.1 mM, 98.4% inhibition Rattus norvegicus
Pb2+ 0.1 mM, 75% inhibition Oryctolagus cuniculus
Pb2+ 0.1 mM, 75% inhibition Rattus norvegicus
SO42- 10 mM, 49% inhibition Oryctolagus cuniculus
SO42- 10 mM, 49% inhibition Rattus norvegicus
Zn2+ 0.1 mM, 91% inhibition Oryctolagus cuniculus
Zn2+ 0.1 mM, 91% inhibition Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.61
-
Ethanolamine phosphate
-
Rattus norvegicus
0.63
-
Ethanolamine phosphate
-
Oryctolagus cuniculus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
168000
-
gel filtration Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Oryctolagus cuniculus
-
-
-
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Rattus norvegicus
-
Oryctolagus cuniculus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-
liver
-
Oryctolagus cuniculus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.073
-
-
Rattus norvegicus
0.914
-
-
Oryctolagus cuniculus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ethanolamine phosphate + H2O
-
Rattus norvegicus acetaldehyde + NH3 + phosphate
-
?
ethanolamine phosphate + H2O
-
Oryctolagus cuniculus acetaldehyde + NH3 + phosphate
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5 8
-
Rattus norvegicus
7.5 8
-
Oryctolagus cuniculus

pH Range

pH Minimum pH Maximum Comment Organism
6.7 8.6 less than 50% of maximal activity above and below Rattus norvegicus
6.7 8.6 less than 50% of maximal activity above and below Oryctolagus cuniculus

Cofactor

Cofactor Comment Organism Structure
pyridoxal 5'-phosphate required, Km: 0.00027 mM Rattus norvegicus
pyridoxal 5'-phosphate required, Km: 0.00027 mM Oryctolagus cuniculus