6661
The potential of S . frutescens to inhibit human ATP - binding cassette transporters ( P - gp and BCRP ) and the human organic anion transporting polypeptide ( OATP1B1 and OATP1B3 ) activity was assessed using cell lines overexpressing the transporter proteins .
 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