Assertion: fibril's conformation | /r/HasProperty | structure
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Source sentences:
text: These diffraction patterns are consistent with fibrils composed of polypeptide chains extended in the so-called cross-β conformation, a structure that had earlier been identified as a possible conformation for polypeptide chains on the grounds of model building by Pauling and Corey and which was described for insect silk (Crysopa) by Geddes and co-workers.