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The PLZF-RAR alpha fusion protein contains an approximately 120-amino-acid N-terminal motif (called the POZ domain ), which is also found in a variety of zinc finger proteins and a group of poxvirus proteins and which mediates protein-protein interactions .
 protein: PLZF-RAR alpha; protein: POZ domain; protein: PLZF-RAR alpha fusion protein; protein: 120-amino-acid N-terminal motif; protein: poxvirus proteins
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: PLZF-RAR alpha, POZ domain, PLZF-RAR alpha fusion protein, 120-amino-acid N-terminal motif, poxvirus proteins 
Answer:
 protein: PLZF-RAR alpha; protein: POZ domain; protein: PLZF-RAR alpha fusion protein; protein: 120-amino-acid N-terminal motif; protein: poxvirus proteins