Do transfer RNA have a poly A site?
I know it is a anticodon area but I am not sure if this designates it as a poly A site.
Thank you
Transfer RNA (tRNA) molecules do not have a poly A site. The poly A site refers to a specific sequence of adenine (A) nucleotides at the 3' end of eukaryotic messenger RNA (mRNA) molecules. This poly A tail is added post-transcriptionally and is involved in mRNA stability and translation.
tRNA molecules, on the other hand, have a distinct structure and function. They are responsible for carrying specific amino acids to the ribosome during protein synthesis. Each tRNA molecule has an anticodon region that is complementary to a specific codon on the mRNA. This base pairing interaction allows the correct amino acid to be incorporated into the growing polypeptide chain.
While both mRNA and tRNA are involved in protein synthesis, they have different roles and structures. The presence of an anticodon region in tRNA does not make it a poly A site.