The successful expression of sIL 6R gene in the COS7 cell has laid a foundation to prepare the IL 6R mutant and analyze the structure function relationship of it.

• 天然sIL－6R基因在COS7细胞中的成功表达为进一步制备sIL－6R突变体及其结构与功能关系的研究奠定了基础