chondroitin sulfate binding
Binding to chondroitin sulfate, a glycosaminoglycan made up of two alternating monosaccharides: D-glucuronic acid (GlcA) and N-acetyl-D-galactosamine (GalNAc).
GO:0005539
glycosaminoglycan binding
is_a
GO:1901681
sulfur compound binding
is_a