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p130 , predominantly in Form 1, and hypophosphorylated pRb bind an E2F DNA binding site ; p130 complexes E2F-4 , whereas pRb binds both E2F-4 and E2F-1 .
 protein: E2F-4; DNA: E2F DNA binding site; protein: p130; protein: pRb; protein: hypophosphorylated pRb; protein: E2F-1; protein: p130; protein: pRb
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: E2F-4, E2F DNA binding site, p130, pRb, hypophosphorylated pRb, E2F-1, p130, pRb 
Answer:
 protein: E2F-4; DNA: E2F DNA binding site; protein: p130; protein: pRb; protein: hypophosphorylated pRb; protein: E2F-1; protein: p130; protein: pRb