1239
Both NF-kappa B precursors and I kappa B alpha became strongly phosphorylated with the same kinetics.
 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 alpha, NF-kappa B 
Answer:
 protein: I kappa B alpha; protein: NF-kappa B