5576
Like STAT5b ( A630P ) , STAT5b ( F646S ) is prone to aggregation , as evidenced by its detection in the insoluble fraction of cell extracts , the presence of dimers and higher - order oligomers in the soluble fraction , and formation of insoluble cytoplasmic inclusion bodies in cells .
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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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