1556
CD30 is a recently described member of the tumor necrosis factor /nerve growth factor receptor superfamily .
 protein: CD30; protein: tumor necrosis factor /nerve growth factor receptor superfamily; protein: /nerve growth factor; protein: tumor necrosis factor
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: CD30; protein: tumor necrosis factor /nerve growth factor receptor superfamily; protein: /nerve growth factor; protein: tumor necrosis factor