2233
A 55-kDa isoform , I kappa B gamma-2 , lacks the 190 C-terminal amino acids of p70 I kappa B gamma .
 I kappa B gamma-2, 190 C-terminal amino acids, I kappa B gamma, p70, 55-kDa isoform
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:
 I kappa B gamma-2, 190 C-terminal amino acids, I kappa B gamma, p70, 55-kDa isoform