6427
These studies show that galantamine was interacting with the central region of the amyloid dimer ( Lys16 - Ala21 ) and the C - terminal region ( Ile31 - Val36 ) with minimum structural drift of C alpha atom in those regions .
 Chemical: galantamine; Chemical: Lys16; Chemical: Ala21; Chemical: C; Chemical: Ile31; Chemical: Val36
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: galantamine; Chemical: Lys16; Chemical: Ala21; Chemical: C; Chemical: Ile31; Chemical: Val36