327087
Glycine/sarcosine/dimethylglycine N-methyltransferase ( , GSDMT , glycine sarcosine dimethylglycine N-methyltransferase ) is an enzyme with system name S-adenosyl-L-methionine : glycine ( or sarcosine or N,N-dimethylglycine ) N-methyltransferase ( sarcosine ( or N,N-dimethylglycine or betaine ) - forming ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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