26773
Here , we performed tandem affinity purification coupled with mass spectrometry analysis to identify caspase - 14 proenzyme as a GCM1 - interacting protein that suppresses GCM1 activity and syncytiotrophoblast differentiation .
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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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