10125
We previously detected a tissue-specific promoter preceding the exon encoding the N terminus of the pp52 leukocyte protein .
 N terminus, pp52 leukocyte protein, tissue-specific promoter
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 N terminus, pp52 leukocyte protein, tissue-specific promoter