1341
Mutations within conserved region 2 ( CR2 ) of E1A that inhibit the binding of E1A to the retinoblastoma gene product ( pRb ) further enhanced the stimulation of transcription from the PEPCK promoter by 2 3 - fold compared with wild type E1A .
 GENE: E1A; GENE: E1A; GENE: retinoblastoma gene product; GENE: pRb; GENE: PEPCK promoter; GENE: wild type E1A
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: E1A; GENE: E1A; GENE: retinoblastoma gene product; GENE: pRb; GENE: PEPCK promoter; GENE: wild type E1A