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math, physics, and chemistry
>
Pair metalloenzyme
bimetallic enzyme
一个酶分子中包括两类功能不同的金属离子组成的酶。一类金属离子直接涉及酶的活性,而另一类只起稳定酶的四级结构作用。如钼酶,除含钼外,还含铁硫蛋白等。铁硫蛋白等作为电子载体,钼作为底物结合的部位以及氧化还原部位。