ANTIGEN MIMICRIES
\ˈantɪd͡ʒˌɛn mˈɪmɪkɹɪz], \ˈantɪdʒˌɛn mˈɪmɪkɹɪz], \ˈa_n_t_ɪ_dʒ_ˌɛ_n m_ˈɪ_m_ɪ_k_ɹ_ɪ_z]\
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The process in which structural properties of an introduced molecule imitate or simulate molecules of the host. Direct mimicry of a molecule enables a viral protein to bind directly to a normal substrate as a substitute for the homologous normal ligand. Immunologic molecular mimicry generally refers to what can be described as antigenic mimicry and is defined by the properties of antibodies raised against various facets of epitopes on the viral protein. (From Immunology Letters 1991 May;28 (2):91-9)
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Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.