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p50B is able to form heteromeric kappa B-binding complexes with RelB , as well as with p65 and p50 , the two subunits of NF-kappa B .
 protein: p65; protein: p50B; protein: p50; protein: NF-kappa B; protein: heteromeric kappa B-binding complexes; protein: RelB
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: p65; protein: p50B; protein: p50; protein: NF-kappa B; protein: heteromeric kappa B-binding complexes; protein: RelB