Medical Term: C5 a, des Arg | des Arg C5 a defined
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What is C5 a, des Arg | des Arg C5 a?
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Term Definition: Complement 5a with the carboxy-terminal arginine removed. The arginine is rapidly cleaved from the C5a fragment during complement activation by carboxypeptidase B present in normal human serum. C5a des-Arg shows complete loss of spasmogenic activity though it retains some chemotactic ability.