14402
Nuclear factor NF-kB , activation protein 1 ( AP-1 ), OCT-1 , and NF-IL-2B binding activity were normal.
 Nuclear factor NF-kB, AP-1, OCT-1, NF-IL-2B, activation protein 1
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:
 Nuclear factor NF-kB, AP-1, OCT-1, NF-IL-2B, activation protein 1