673
The amino terminus contains an unusual repeat of 38 consecutive glutamine residues and an X-Thr-Pro repeat .
 protein: amino terminus; protein: X-Thr-Pro repeat
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: amino terminus; protein: X-Thr-Pro repeat