INR_motif

Term ID

SO:0000014

Synonyms

• DMp2
• initiator
• initiator motif
• INR motif

Definition

A sequence element characteristic of some RNA polymerase II promoters required for the correct positioning of the polymerase for the start of transcription. Overlaps the TSS. The mammalian consensus sequence is YYAN(T|A)YY; the Drosophila consensus sequence is TCA(G|T)t(T|C). In each the A is at position +1 with respect to the TSS. Functionally similar to the TATA box element. (2)

References

Ontology

Sequence Ontology