Question

which tripple base sequence do not decode isoleucine?​

Answer 1

Answer:

Most archaea and bacteria use a modified C in the anticodon wobble position of isoleucine tRNA to base pair with A but not with G of the mRNA. This allows the tRNA to read the isoleucine codon AUA without also reading the methionine codon AUG.

Explanation:

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Answer 2

Methionine codon AUG base sequence do not decode isoleucine

Explanation:

• Isoleucine can be decoded by three different codons.
• The most commonly used codons AUC and AUU which are translated by the high-abundance tRNA species,
• This codons tRNAIle1, which contains a GAU anticodon.
• The rare AUA codon is transformed by the  tRNAIle2 with the same anticodon CAU as tRNAMet.
• tRNAIle2 is identified by MetRS when the anticodon at  C34 position and it lacks a lysine modification which is catalyzed by an enzyme called TilS.

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