1809
The GEF and GAP activities for Ypt1p localize to particulate cellular fractions .
 GENE: GEF; GENE: GAP; GENE: Ypt1p
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: GEF; GENE: GAP; GENE: Ypt1p