How do you make randomized and degenerate libraries? September 13, 2019 07:40 Updated We use error prone PCR. Related articles How do you make site-directed or permutation scanning library? How do you determine/confirm the library size or the variety of the library? Why is the price of my product not showing up in the shopping cart? What’s the condition you suggest to store the peptide powder and the solution? Also, how long can they be store at room temperature?