There are very few of Ca dependent proteases. I am not sure kinases need metals as cofactors (activation is a different thing; that's signaling). Alkaline phosphatase needs Zn. But I guess this is not as common as the dependence of nucleases on metal ions. In any case we do use a protein inhibitor cocktail while doing extraction.
Summary. 1  Incorporation and corporation cannot be differentiated as one leads to the other. 2  While incorporation is the process, corporation is the organisation formed out of this process.
Of that 66%, 44% were S corporations and 22% were C corporations. What is the difference between S Corp and C Corp? What is the difference between S Corp and C Corp? S corporations and C corporations are business structures that legally separate the business from the owner. Because the company is a separate legal entity, you are protected by limited liability.