2XIW:
reference: Tolerance of the archaeal Sac7d scaffold protein to alternative library designs: characterization of anti-immunoglobulin G Affitins., Behar G, Bellinzoni M, Maillasson M, Paillard-Laurance L, Alzari PM, He X, Mouratou B, Pecorari F, Protein Eng Des Sel. 2013 Jan 11. PMID: 23315487

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