4257
Kaposi ' s sarcoma - associated herpesvirus / human herpesvirus - 8 ORF50 gene product contains a potent C - terminal activation domain which activates gene expression via a specific target sequence .
 GENE: ORF50
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: ORF50