5269
The gene encoding the collagen - tailed subunit ( ColQ ) of acetylcholinesterase ( AChE ) contains two distinct promoters that drive the production of two ColQ mRNAs , ColQ - 1 and ColQ - 1a , in slow - and fast - twitch muscles , respectively .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None