Standard genetic code
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The standard genetic code is the list of codons, made up of triplet bases on RNA, that provide instructions for which amino acid to add to a growing protein chain. The codon for the amino acid methionine is the start codon in mRNA. These codons are made to interact with the corresponding anti-codon in transfer-RNA molecules (tRNA).
UUU | Phe | UCU | Ser | UAU | TYR | UGU | Cys |
UUC | Phe | UCC | Ser | UAC | Tyr | UGC | Cys |
UUA | Leu | UCA | Ser | UAA | Stop | UGA | Stop |