1085
The proteolytic degradation of the inhibitory protein MAD3/ I kappa B alpha in response to extracellular stimulation is a prerequisite step in the activation of the transcription factor NF-kappa B .
 protein: NF-kappa B; protein: transcription factor; protein: MAD3/ I kappa B alpha; protein: inhibitory protein; protein: I kappa B alpha
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: NF-kappa B; protein: transcription factor; protein: MAD3/ I kappa B alpha; protein: inhibitory protein; protein: I kappa B alpha