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.
S corporation vs. C corporation: The differences. Despite their many similarities, S corporations and C corporations also have distinct differences. Taxation. Taxation is often considered the most significant difference for small business owners when evaluating S corporations vs. C corporations. C corporations. C corps are separately taxable entities. They file a corporate tax return (Form 1120) and pay taxes at the corporate level.