system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
C3 convease acts on -
assistant
The correct answer is  C3 convease splits split C3 into two fragments : C3a which is an anaphylatoxin and C3b which remains cell bound along with C4b2a to form a trimolecular complex C4b2a3b which has enzymatic activity and is called C5 convease. Reference : Anathanarayan & paniker's 9th edition, pg no: 122 <\p>