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Literature summary for 4.1.3.3 extracted from

  • Sommer, U.; Traving, C.; Schauer, R.
    The sialate pyruvate-lyase from pig kidney: purification, properties and genetic relationship (1999), Glycoconj. J., 16, 425-435.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
4-chloromercuribenzoate about 50% inhibition at 1 mM Sus scrofa
Cu2+ 20% inhibition at 1 mM Sus scrofa
Fe2+ 40% inhibition at 1 mM Sus scrofa
Hg2+ 45% inhibition at 1 mM Sus scrofa

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1
-
N-acetylneuraminic acid pH 7.4, 75°C Sus scrofa
1.7
-
N-acetylneuraminic acid pH 7.4, 37°C Sus scrofa

Metals/Ions

Metals/Ions Comment Organism Structure
additional information no requirement for metal ions Sus scrofa

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
108000
-
gel-filtration Sus scrofa

Organism

Organism UniProt Comment Textmining
Sus scrofa
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Sus scrofa

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.5
-
-
Sus scrofa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5-N-acetyl-9-O-acetylneuraminic acid 45% the activity with N-acetylneuraminic acid Sus scrofa ?
-
?
N-Acetylneuraminic acid
-
Sus scrofa N-Acetyl-D-mannosamine + pyruvate
-
r
N-Glycolylneuraminic acid 47% the activity with N-acetylneuraminic acid Sus scrofa ?
-
?

Subunits

Subunits Comment Organism
tetramer crosslinking experiments with dimethylpimelimidate Sus scrofa
trimer 3 * 34000-37000, gel filtration Sus scrofa

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
75
-
-
Sus scrofa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.6 8
-
Sus scrofa

pI Value

Organism Comment pI Value Maximum pI Value
Sus scrofa isoelectric focusing
-
5.5