10079
Collectively , these results show that the differential utilization of Staf zinc finger 1 represents a new , critical determinant of the transcriptional activation mechanism for the Xenopus tRNA ( Sec ) and human U6 snRNA genes .
 Staf zinc finger 1, Xenopus tRNA, Sec, human U6 snRNA genes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Staf zinc finger 1, Xenopus tRNA, Sec, human U6 snRNA genes