The competition binding abilities of Tb~(3+) and La~(3+) to CaM are higher than that of Ca~(2+), and the affinity of Ca~(2+) to CaM is higher than that of Al~(3+).

• 结果表明 :Tb3+ ,La3+ 与钙调素的竞争结合能力强于Ca2 + ,而Tb3+的竞争结合力又大于La3+ ,Ca2 +与钙调素的结合力远大于Al3+。