Which factor must be associated with factor H to inactivate complement components?

Name: Which factor must be associated with factor H to inactivate complement components?
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Question

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Factor I is a serine protease that cleaves and inactivates complement components C3b and C4b in the presence of complement regulator factor H. Choice A, C, and D are also complement regulators but they do not directly interact with factor H in the inactivation of complement components.

Which Factor Must Be Associated with Factor H to Inactivate