Team:Goettingen/protocol peptide

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Peptide Library Construction

Starting with GFP scaffolds (Denoted pRS 316-GFPM), random loop libraries were created. Randomized amino acids were inserted at Asp-102/Asp-103 and Glu-172/Asp-173 by using the NNK method in order to create the random loop libraries. NNK sequences in primers number 13 and 16 were used to create regions I and ӀӀӀ. After having randomized DNA sequences, these two regions were assembled with region ӀӀ which remained intact. In each of the amplification and extension steps, Pfus PCR protocol was used. For the assembly of the three regions, an assembly PCR was used.