5992
TATA and CCAAT boxes are located 34 - bp and 68 - bp , respectively , upstream of the transcription start site , the 5 ' - untranslated leader is 78 nucleotides long , and the intronless gene has at least two different polyadenylation sites .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None