23541
In this work , we did not find a methyl - accepting substrate in A . nidulans with various assays including in vivo S - adenosyl - [ methyl - ( 3 ) H ] methionine labeling , targeted in vitro methylation experiments using putative protein substrates , or in vitro methylation assays using whole cell extracts grown under different conditions .
 Chemical: methyl; Chemical: S - adenosyl - [ methyl - ( 3 ) H ] methionine
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: methyl; Chemical: S - adenosyl - [ methyl - ( 3 ) H ] methionine