23655
The hetero - oligomer chaperone function was found to be equivalent to that of alpha B , with each being significantly better at preventing the amorphous aggregation of alpha - lactalbumin and the amyloid fibril formation of alpha - synuclein in comparison to HSP27 .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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