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Literature summary for 2.4.1.48 extracted from

  • Lehle, L.; Tanner, W.
    Membrane-bound mannosyl transferase in yeast glycoprotein biosynthesis (1974), Biochim. Biophys. Acta, 350, 225-235.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.25
-
GDPmannose
-
Saccharomyces cerevisiae

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ essential for reaction, cannot be replaced by Mg2+ Saccharomyces cerevisiae

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-
Saccharomyces cerevisiae 66.24
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
GDP-mannose + mannose
-
Saccharomyces cerevisiae GDP + O-alpha-D-mannosyl-1,2-mannose
-
?
GDP-mannose + mannose
-
Saccharomyces cerevisiae 66.24 GDP + O-alpha-D-mannosyl-1,2-mannose
-
?
GDP-mannose + methyl-alpha-D-mannoside
-
Saccharomyces cerevisiae ?
-
?
GDP-mannose + methyl-alpha-D-mannoside
-
Saccharomyces cerevisiae 66.24 ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
formation of mannobiose Saccharomyces cerevisiae

pH Range

pH Minimum pH Maximum Comment Organism
6 8.5 50% of maximal activity at pH 6, 90% of maximal activity at pH 8.5 Saccharomyces cerevisiae