4004
In spite of their different functions , they share several common features : their targeting is determined by alternative splicing ; unlike most other NMJ components they are expressed in both , muscle and motor neuron and both reside on the synaptic basal lamina of the NMJ .
 None
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