3769
In contrast, neither E(gre) nor EA/S motifs contributed pronouncedly to Akv MLV transcription in NIH 3T3 cells lacking DNA-binding ALF1 or HEB and E2A proteins .
 protein: E2A proteins; protein: ALF1; protein: HEB; DNA: E(gre); DNA: EA/S; DNA: EA/S motifs; cell line: NIH 3T3 cells
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: E2A proteins, ALF1, HEB, E(gre), EA/S, EA/S motifs, NIH 3T3 cells 
Answer:
 protein: E2A proteins; protein: ALF1; protein: HEB; DNA: E(gre); DNA: EA/S; DNA: EA/S motifs; cell line: NIH 3T3 cells