6621
During studies of apoptosis induced by T cell-receptor engagement , we identified ALG-4F , a truncated transcript that prevents T cell-receptor-induced FasL upregulation and cell death .
 protein: truncated transcript; protein: ALG-4F; protein: FasL
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: truncated transcript, ALG-4F, FasL 
Answer:
 protein: truncated transcript; protein: ALG-4F; protein: FasL