7031
We constructed structural homology models of Kir6 . 2 and a series of Kir6 . 2 channels carrying mutations within the putative ATP - binding site .
 Chemical: ATP
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: ATP