EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
2.1.1.B3 | more |
the enzyme preforms specific methylation of endogenous and exogenous glycoconjugate-bound sialic acids, usage of desialized human erythrocyte membranes as substrates, methylation of resialylated erythrocyte membranes, overview |
Asterias rubens |
? |
- |
? |
2.1.1.B3 | S-adenosyl-L-methionine + CMP-N-acetylneuraminic acid |
- |
Asterias rubens |
S-adenosyl-L-homocysteine + CMP-N-acetyl-8-O-methyl-neuraminate |
- |
? |
2.1.1.B3 | S-adenosyl-L-methionine + colominic acid |
- |
Asterias rubens |
? |
- |
? |
2.1.1.B3 | S-adenosyl-L-methionine + fetuin |
- |
Asterias rubens |
? |
- |
? |
2.1.1.B3 | S-adenosyl-L-methionine + N-acetylneuraminic acid |
- |
Asterias rubens |
S-adenosyl-L-homocysteine + N-acetyl-8-O-methyl-neuraminate |
- |
? |
2.1.1.B3 | S-adenosyl-L-methionine + N-acetylneuraminic acid |
free N-acetylneuraminic acid and oligosaccharide- or glycoprotein-bound substrate, the latter is preferred |
Asterias rubens |
S-adenosyl-L-homocysteine + N-acetyl-8-O-methyl-neuraminate |
NMR product identification |
? |
2.1.1.B3 | S-adenosyl-L-methionine + N-acetylneuraminyl alpha2,3-lactose |
free N-acetylneuraminyl alpha2,3-lactose and oligosaccharide- or glycoprotein-bound substrate, the latter is preferred |
Asterias rubens |
S-adenosyl-L-homocysteine + N-acetyl-8-O-methyl-neuraminyl alpha2,3-lactose |
- |
? |
2.1.1.B3 | S-adenosyl-L-methionine + N-acetylneuraminyl alpha2,6-lactose |
free N-acetylneuraminyl alpha2,6-lactose acid and oligosaccharide- or glycoprotein-bound substrate, the latter is preferred |
Asterias rubens |
S-adenosyl-L-homocysteine + N-acetyl-8-O-methyl-neuraminyl alpha2,6-lactose |
- |
? |
2.1.1.B3 | S-adenosyl-L-methionine + N-glycoloylneuraminic acid |
free N-glycoloylneuraminic acid and oligosaccharide- or glycoprotein-bound substrate, the latter is preferred |
Asterias rubens |
S-adenosyl-L-homocysteine + N-glycoloyl-8-O-methyl-neuraminate |
- |
? |