13503
Similarly , mature BMP - 2 was also cleaved to a truncated peptide within its N - terminal region ( Arg ( 289 ) v Lys ( 290 ) ) .
 Chemical: N; Chemical: Arg; Chemical: Lys
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: N; Chemical: Arg; Chemical: Lys