anticodóncodón

Anticodoncodon is a term that refers to the complementary sequence of nucleotides on a transfer RNA (tRNA) molecule that base-pairs with a specific codon on a messenger RNA (mRNA) molecule during protein synthesis. The codon is a three-nucleotide sequence on mRNA that specifies a particular amino acid or a stop signal. The anticodon, located on the tRNA, is also a three-nucleotide sequence. The base pairing between the codon and anticodon follows specific rules, primarily Watson-Crick base pairing, where adenine (A) pairs with uracil (U), and guanine (G) pairs with cytosine (C). There are also some non-canonical base pairings, known as wobble, that can occur at the third position of the codon and anticodon. This precise recognition between codon and anticodon ensures that the correct amino acid is brought to the ribosome and incorporated into the growing polypeptide chain, thus maintaining the fidelity of the genetic code and the synthesis of functional proteins. The anticodon loop is a characteristic structural feature of tRNA molecules, enabling this crucial interaction.