9805
During CD30 signal transduction , we found that binding of TRAF2 to the cytoplasmic domain of CD30 results in the rapid depletion of TRAF2 and the associated protein TRAF1 by proteolysis.
 protein: cytoplasmic domain; protein: TRAF2; protein: CD30; protein: TRAF2; protein: TRAF1; protein: CD30
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: cytoplasmic domain, TRAF2, CD30, TRAF2, TRAF1, CD30 
Answer:
 protein: cytoplasmic domain; protein: TRAF2; protein: CD30; protein: TRAF2; protein: TRAF1; protein: CD30