DNA与遗传密码 Second base of codon U A UUU UCU UAU Phe UGU U UUC UCC SER UAC Tyr Cys UGC UUA UCA UUG Leu UAA UGA UCG UAG UGG Trp CUU CCU CAU His CGU CUC Leu ccc Pro CAC CGC CUA CCA Arg CAA GIn CGA A CUG CCG CAG CGG AUU ACU AAU Asn AGU Ser U A AUC ACC AAC AGC Thy AUA ACA AAA Met ACG AAG Lys AGA AUG AGG Arg GUU GCU GAU Asp GGU GUC GCC GAC GGC A GUA GCA GAA GGA GUG GCG CAG GGG 6 The genetic code,written by convention in the form in which the Codons appear in mRNA.The three terminator codons,UAA,UAG,and UGA,are boxed in red;the AUG initiator codon is shown in green.DNA与遗传密码