KEGG   REACTION: R04648Help
Entry
R04648                      Reaction                               

Name
CMP-N-acetylneuraminate:D-galactosyl-N-acetyl-D-galactosaminyl-(N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide N-acetylneuraminyltransferase
Definition
CMP-N-acetylneuraminate + D-Galactosyl-N-acetyl-D-galactosaminyl-(N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide <=> CMP + N-Acetylneuraminyl-D-galactosyl-N-acetyl-D-galactosaminyl-(N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide
Equation
Remark
Same as: 
RPair
C00055_C00128 main [RC:RC00009]
C04911_C04927 main [RC:RC00077]
C00128_C04927 trans
Enzyme
2.4.99.2        2.4.99.4

KEGG   REACTION: R05942Help
Entry
R05942                      Reaction                               

Definition
CMP-N-acetylneuraminate + GM1 <=> CMP + GD1a
Equation
Remark
Same as: 
Enzyme
2.4.99.2        2.4.99.4
Pathway
Glycosphingolipid biosynthesis - ganglio series
Metabolic pathways
Orthology
K00780  
beta-galactoside alpha-2,3-sialyltransferase (sialyltransferase 4A) [EC:2.4.99.4]
K03368  
beta-galactoside alpha-2,3-sialyltransferase (sialyltransferase 4B) [EC:2.4.99.4]

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