機能Displays several functions associated with host defense: it promotes agglutination, bacterial capsular swelling, phagocytosis and complement fixation through its calcium-dependent binding to phosphorylcholine. Can interact with DNA and histones and may scavenge nuclear material released from damaged circulating cells.
組織特異性Found in plasma.
配列類似性Belongs to the pentaxin family. Contains 1 pentaxin domain.