1055
Mutually exclusive interaction of the adenovirus E4 - 6 / 7 protein and the retinoblastoma gene product with internal domains of E2F - 1 and DP - 1 .
 GENE: adenovirus E4 - 6 / 7 protein; GENE: retinoblastoma gene product; GENE: E2F - 1; GENE: DP - 1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: adenovirus E4 - 6 / 7 protein; GENE: retinoblastoma gene product; GENE: E2F - 1; GENE: DP - 1