3096
Upstream stimulatory factor USF is a human transcriptional activation factor , which uses a basic / helix - loop - helix / leucin zipper ( b / HLH / Z ) motif to homodimerize and recognize specific sequences in the promoter region of both nuclear and viral genes transcribed by RNA polymerase II .
 GENE: Upstream stimulatory factor; GENE: USF; GENE: RNA polymerase II
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: Upstream stimulatory factor; GENE: USF; GENE: RNA polymerase II