25369
Escherichia coli MRA30 , a bacterial host strain with attenuated activity of release factor 1 ( RF1 ) , was assessed for its ability to support incorporation of a diverse range of noncanonical amino acids in response to multiple encoded amber ( TAG ) codons within genes derived from superfolder GFP and an elastin - mimetic protein polymer .
 Chemical: amino acids
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: amino acids