SATELLITE VIRUSES
\sˈatəlˌa͡ɪt vˈa͡ɪɹəsɪz], \sˈatəlˌaɪt vˈaɪɹəsɪz], \s_ˈa_t_ə_l_ˌaɪ_t v_ˈaɪ_ɹ_ə_s_ɪ_z]\
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Defective viruses which can multiply only by association with a helper virus which complements the defective gene. Satellite viruses may be associated with certain plant viruses, animal viruses, or bacteriophages. They differ from satellite RNA; (RNA, SATELLITE) in that satellite viruses encode their own coat protein.
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Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.