anaphylatoxin inactivator
An α-globulin (MW 300,000) which destroys the activity of the anaphylatoxic complement fragments. See anaphylatoxin.

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(AI) a serum carboxypeptidase that destroys the anaphylatoxin activity of C3a, C4a, and C5a by removing C-terminal arginyl or lysyl residues.

Medical dictionary. 2011.

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