2005
Null alleles of SAS4 and SAS5 bypassed the role of the Abf1p binding site of the HMR - E silencer but not the role of the ACS or Rap1p binding site .
 GENE: SAS4; GENE: SAS5; GENE: Abf1p binding site; GENE: HMR - E silencer; GENE: ACS; GENE: Rap1p binding site
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: SAS4; GENE: SAS5; GENE: Abf1p binding site; GENE: HMR - E silencer; GENE: ACS; GENE: Rap1p binding site