6TCH:
reference: Ultra-large chemical libraries for the discovery of high-affinity peptide binders., Quartararo AJ, Gates ZP, Somsen BA, Hartrampf N, Ye X, Shimada A, Kajihara Y, Ottmann C, Pentelute BL, Nat Commun. 2020 Jun 23;11(1):3183. doi: 10.1038/s41467-020-16920-3. PMID: 32576815

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