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Antibodies against CRE -binding (CREB) protein but not against c-Fos or c-Jun were able to supershift the DNA-protein complex , identifying the nature of the transcription factor which binds to ZII as a member of the CREB family of proteins .
 protein: DNA-protein complex; DNA: CRE; protein: c-Fos; protein: transcription factor; protein: CRE -binding (CREB) protein; protein: CREB family of proteins; DNA: ZII; protein: c-Jun
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: DNA-protein complex, CRE, c-Fos, transcription factor, CRE -binding (CREB) protein, CREB family of proteins, ZII, c-Jun 
Answer:
 protein: DNA-protein complex; DNA: CRE; protein: c-Fos; protein: transcription factor; protein: CRE -binding (CREB) protein; protein: CREB family of proteins; DNA: ZII; protein: c-Jun