25845
Interactions of Vc1 . 1 with two probable binding sites , alpha 9 alpha 10 and alpha 10 alpha 9 , were modeled .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None