17775
We demonstrate that activation of STAT3 serine - 727 and tyrosine - 705 phosphorylations is promoted by B - RAF ( V600E ) activity and that the Mcl - 1 promoter is dependent on a STAT consensus - site for B - RAF - mediated activation .
 Chemical: serine; Chemical: tyrosine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: serine; Chemical: tyrosine