The initiator element (Inr), sometimes referred to as initiator motif, is a core promoter that is similar in function to the Pribnow box (in prokaryotes) or the TATA box (in eukaryotes). The Inr is the simplest functional promoter that is able to direct transcription initiation without a functional TATA box.
The initiator element (Inr), sometimes referred to as initiator motif, is a core promoter that is similar in function to the Pribnow box (in prokaryotes) or the TATA box (in eukaryotes). The Inr is the simplest functional promoter that is able to direct transcription initiation without a functional TATA box.
Source: Wikipedia "Initiator element" · CC BY-SA 4.0
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