4006
However , while the origin of basal lamina bound agrin is undoubtedly neural , the neural origin of AChE , which is anchored to the basal lamina with collagenic tail ColQ , is elusive .
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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