5494
Similarly, the p105 precursor of the NF-kappa B p50 subunit is also post-translationally processed in the proteasome .
 p105 precursor, p50 subunit, proteasome, NF-kappa B
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:
 p105 precursor, p50 subunit, proteasome, NF-kappa B