18491
The membrane transporter MDR - 1 ( P - gp , ABCB1 ) , a member of the ATP - binding cassette ( ABC ) transporter family , effluxes anti - cancer drugs from cancer cells .
 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