28745
Translation initiates at a non - AUG codon , at ACG , which is decoded by methionine and which is upstream of the annotated AUG which is not used for initiation .
 Chemical: 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: methionine