1737
Specific binding of the protein factors to the sites , possibly to the three Mt sequences , may play an important role in the coordinate regulation of the transcription of nuclear genes encoding subunits responsible for mitochondrial oxidative phosphorylation .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None