928
Electrophoretically purified p50 alone can form a protein-DNA complex , but in the mixture, p50 associates preferentially with p65 to form the NF-GM2 complex .
 protein: p65; protein: p50; protein: protein-DNA complex; protein: p50; protein: NF-GM2 complex
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: p65, p50, protein-DNA complex, p50, NF-GM2 complex 
Answer:
 protein: p65; protein: p50; protein: protein-DNA complex; protein: p50; protein: NF-GM2 complex