7450
Compounds with two Lys residues acted as binding stimulators ( agonists ) and had stimulatory and inhibitory effects on NMDA - induced currents , depending on the holding potential .
 Chemical: Lys; Chemical: NMDA
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: Lys; Chemical: NMDA