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Keyword - Proto-oncogene (KW-0656)


Protein whose normal cellular gene can be converted into a cancer-promoting oncogene by activating mutations, chromosomal translocation or DNA amplification. Once activated a proto-oncogene can promote cell transformation in culture or tumorigenesis in animals. Examples include the regulatory GTPase HRAS, which is commonly activated by dominant gain of function point mutations, and the transcription factor MYC, which can be activated by both chromosomal amplification and chromosomal translocation.




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