id | GO:0008329   Detailed information
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  name | pattern recognition receptor activity
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  namespace | molecular_function
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  def | "Combining with a molecular pattern based on a repeating or polymeric structure, such as a polysaccharide or peptidoglycan, to initiate a change in cell activity. Such molecular patterns are sometimes associated with potential pathogens." [PMID:12507420, PMID:12925128, PMID:14523544]
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  comment | Note that this term and its child terms are intended for gene products which are directly coupled to a signal transduction pathway; gene products which recognize polymeric structures such as polysaccharides or peptidoglycans in extracellular space, but are not directly coupled to signal transduction pathway, should use the term 'pattern binding ; GO:0001871' or its child terms. Note that many gene products that are called pattern recognition receptors in the literature have a broad range of potential ligands and also can be annotated to 'scavenger receptor activity ; GO:0005044'.
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  is_a | GO:0004872 ! receptor activity
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  relationship | has_part GO:0001871 ! pattern binding
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  relationship | part_of GO:0002221 ! pattern recognition receptor signaling pathway
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