14081
Transmethylation is an important reaction that transfers a methyl group in S - adenosylmethionine ( SAM ) to substrates such as DNA , RNA , and proteins .
 Chemical: methyl; Chemical: S - adenosylmethionine; Chemical: SAM
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 - adenosylmethionine; Chemical: SAM