19815
We also show that mutations within the GluN2D pre - M1 region alter open probability of the NMDA receptor .
 Chemical: NMDA
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: NMDA 
Answer:
 Chemical: NMDA