8251
This algorithm has expanded the amyloid sequence space , and in the present study we characterize the structures of amyloid - like fibrils formed by three peptides identified by Waltz that form fibrils but not crystals .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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