14333
We demonstrate that the PQQ - modified alpha - Syn ( 36 - 46 ) peptide , which is a partial sequence of alpha - synuclein , prevented alpha - synuclein amyloid fibril formation but did not inhibit A beta ( 1 - 42 ) fibril formation .
 Chemical: PQQ
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: PQQ