10944
We show that UAAs inserted in the N - terminal domain of N - methyl - D - aspartate receptors ( NMDARs ) serve as photo - crosslinkers that lock the receptor in a discrete conformational state in response to UV photo treatment .
 Chemical: N; Chemical: N - methyl - D - aspartate
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: N; Chemical: N - methyl - D - aspartate