GO:0050653

chondroitin sulfate proteoglycan biosynthetic process, polysaccharide chain biosynthetic process

Details: 
The elongation of chondroitin sulfate proteoglycan chains by alternate addition of N-acetylhexosamine and GlcUA residues to the GAG-protein linkage region tetrasaccharide of chondroitin sulfate. [GOC:ai, PMID:11788602]
Evidence Code: 
IEA