3743
Rather , a CTD containing Ca ( 2 + ) - sensing regulator of conductance for K ( + ) domains seems to be critical to bestow K ( V ) structures , whether of TM2 ( MthK ) or TM6 ( slo1 ) , with sensitivity to intoxicating ethanol levels .
 Chemical: Ca ( 2 + ); Chemical: K ( + ); Chemical: K; Chemical: ethanol
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: Ca ( 2 + ); Chemical: K ( + ); Chemical: K; Chemical: ethanol