In extracellular matrix, this kind of ester bond can be transferred from chondroitin sulfate chain to hyaluronan.Thus the extracellular matrix and cell functions were regulated.

• 在细胞外间质中, 这种酯键可以转移到透明质酸糖链上, 进而调控细胞外间质的大小和细胞的性质。