6FES:
reference: An Interface-Driven Design Strategy Yields a Novel, Corrugated Protein Architecture., ElGamacy M, Coles M, Ernst P, Zhu H, Hartmann MD, Pluckthun A, Lupas AN, ACS Synth Biol. 2018 Sep 4. doi: 10.1021/acssynbio.8b00224. PMID: 30148951

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