The binding of DHPI with the red cell receptor of the guineapig does not show any cooperativity. The binding of insulin with the red cell,howe-ver,shows negative cooperativity.

• DHPI 与豚鼠红细胞胰岛素受体的结合不显示负协同效应,而胰岛素与它的结合显示负协同效应。