12293
EMS16 , rhodocetin , and VP12 are three toxins belonging to the C - type lectin - related protein family and have been proven to inhibit the alpha 2 beta 1 integrin , specifically the alpha 2 integrin A domain .
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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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