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By hand - curated screenings of literature and databases , we retrieved experimentally validated data on 71 human RNA - binding splicing regulatory proteins and organized them into a database called ' SpliceAid - F ' ( http : / / www . caspur . it / SpliceAidF / ) .
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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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