4682
The RAD6 / UBC2 gene from Saccharomyces cerevisiae encodes a ubiquitin - conjugating enzyme involved in DNA repair , induced mutagenesis , and sporulation .
 RAD6, UBC2, ubiquitin - conjugating enzyme
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 RAD6, UBC2, ubiquitin - conjugating enzyme