| id | GO:0001846 Detailed information
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| name | opsonin binding
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| namespace | molecular_function
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| def | "Interacting selectively and non-covalently with an opsonin, such as a complement component or antibody, deposited on the surface of a bacteria, virus, immune complex, or other particulate material." [GOC:add, ISBN:0781735149 "Fundamental Immunology"]
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| comment | Note that an opsonin is a blood serum protein or fragment which when deposited on the surface of a bacteria, virus, immune complex, or other particulate material acts a signal for phagocytosis to cells bearing the appropriate receptors. Not all complement components or fragments and not all antibodies have opsonic properties.
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| is_a | GO:0005515 ! protein binding
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