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The STP oncoproteins of the herpesvirus saimiri ( HVS ) subgroup A strain 11 and subgroup C strain 488 are now found to be stably associated with tumor necrosis factor receptor-associated factor ( TRAF ) 1 , 2 , or 3 .
 STP oncoproteins, TRAF, tumor necrosis factor receptor-associated factor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 STP oncoproteins, TRAF, tumor necrosis factor receptor-associated factor