A hexanucleotide sequence found 10-30 nucleotides upstream of the site of polyandenylation of MRNA.

Sequences found near the 3' end of MESSENGER RNA that direct the cleavage and addition of multiple ADENINE NUCLEOTIDES to the 3' end of mRNA.

Synonyms: Polyadenylation Signal, 3' Sequences, AAUAAA RNA 3' Polyadenylation Signal RNA Sequence, AAUAAA Signals, 3' Polyadenylation RNA 3' Polyadenylation Signals AAUAAA RNA Sequence Sequence, AAUAAA RNA RNA 3' Polyadenylation Signal 3' Polyadenylation Signals AAUAAA RNA Sequences