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2.4.1.40: glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase

This is an abbreviated version!
For detailed information about glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase, go to the full flat file.

Word Map on EC 2.4.1.40

Reaction

UDP-N-acetyl-alpha-D-galactosamine
+
glycoprotein-alpha-L-fucosyl-(1->2)-D-galactose
=
UDP
+
glycoprotein-N-acetyl-alpha-D-galactosaminyl-(1->3)-[alpha-L-fucosyl-(1->2)]-D-galactose

Synonyms

A transferase, A-transferase, ABO, ABO(H) blood group A glycosyltransferase, alpha-(1,3)-N-acetylgalactosaminyltransferase, alpha-3-N-acetylgalactosaminyltransferase, bacterial GTA, BgtA, blood group A glycosyltransferase, blood group A glycosyltransferase 2, blood-group substance A-dependent acetylgalactosaminyltransferase, blood-group substance alpha-acetyltransferase, cis-AB-transferase, fucosylgalactose acetylgalactosaminyltransferase, glycosyltransferases A, GTA, histo-blood group A acetylgalactosaminyltransferase, histo-blood group A glycosyltransferase (Fucalpha1-2Galalpha1-3-N-acetylgalactosaminyltransferase), histo-blood group A transferase, histo-blood group ABO system transferase, More, UDP-GalNAc:Fucalpha1-2Galalpha1-3-N-acetylgalactosaminyltransferase, UDP-N-acetyl-D-galactosamine:alpha-L-fucosyl-1,2-D-galactose 3-N-acetyl-D-galactosaminyltransferase

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.40 glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase

Storage Stability

Storage Stability on EC 2.4.1.40 - glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase

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STORAGE STABILITY
ORGANISM
UNIPROT
LITERATURE
-20°C, rapid loss of activity
-
-60°C, 2 mM MnCl2, 1 mM EDTA, 0.02 mM UDP, stable for up to 30 days
-
-70°C, 0.025 M MES buffer, pH 6.0, 1 mM EDTA, 0.03% Triton X-100, after removal of most of the buffer by dialysis, stable for 1 year
-
-80°C, 20% loss of activity after 1 year
-
4°C, 0.05 M Tris-HCl, pH 7.4, 2 mM MnCl2, 1 mM EDTA, 0.01% w/v Triton X-100, 0.2 M NaCl, 1 mM dithiothreitol, 0.03% w/v NaN3, 10% loss of activity per month
-
4°C, 25% loss of activity after storage of plasma for 2 weeks
-
4°C, pH 7.5, half-life is about 3 months
-
4°C, rapid loss of activity of purified enzyme
-