Inactivation of Ras function by allele-specific peptide aptamers.

Abstract excerpt

One challenge facing biology is the elucidation of the function of the estimated 30 000 human genes and their polymorphic variants. Reagents that affect the activity of specific genes will be useful in the dissection of cellular regulatory networks. Here, as a test case, we used a two-bait two-hybrid system to identify peptide aptamers that distinguish allelic forms of H-Ras. Some of these anti-Ras aptamters...

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