6684
PNU156804 inhibition of NF-kappa B activation is due to the inhibition of the degradation of I kappa B-alpha and I kappa B-beta .
 protein: I kappa B-beta; protein: I kappa B-alpha; protein: NF-kappa B
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: I kappa B-beta, I kappa B-alpha, NF-kappa B 
Answer:
 protein: I kappa B-beta; protein: I kappa B-alpha; protein: NF-kappa B