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Similar repeat motifs are found in a number of diverse regulatory proteins but the motifs of Bcl-3 are most closely related to those found in I kappa B proteins in which the ankyrin repeat domain is thought to be directly involved in inhibition of NF-kappa B activity.
 protein: I kappa B proteins; protein: NF-kappa B; protein: Bcl-3; protein: diverse regulatory proteins; protein: repeat motifs; protein: ankyrin repeat
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: I kappa B proteins; protein: NF-kappa B; protein: Bcl-3; protein: diverse regulatory proteins; protein: repeat motifs; protein: ankyrin repeat