Multiple choice What is the sequence of nucleotides in Pribnow box? ATATTA TATAAT UAUAAT TATAAA Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Pribnow box (also known as the Pribnow-Schaller box) is the sequence TATAAT of six nucleotides (thymine-adenine-thymine-etc.) that are essential parts of a promoter site on DNA for transcription to occur in bacteria.