galactosaminogalactan biosynthetic process
galactosaminogalactan biosynthetic process
The chemical reactions and pathways resulting in the formation of the exopolysaccharide galactosaminogalactan. GAG is a heteropolysaccharide composed of alpha-1,4 linked galactose, N-acetyl galactosamine (GalNAc) and galactosamine (GalN).