The competition binding abilities of La2+,Cu2+,Zn2+,Cd2+ to CaM are higher than that of Al3+ and Mg2+.

• 结果表明:La3+、Cu2+、Zn2+、Cd2+与钙调素的竞争结合能力较强,Al3+和Mg2+的竞争能力较弱。