1084
TCF-1 consists of two polypeptides of about 50 kD and 105 kD ; the former seems to be related to the 50 kD polypeptide of NF-kB .
 protein: TCF-1; protein: 50 kD polypeptide; protein: NF-kB
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: TCF-1; protein: 50 kD polypeptide; protein: NF-kB