Derive the amino acid sequence that is coded for by the following mRNA sequence.
CAU AAA ACG GUG UUA AUA
Analysis
Use Table 17.3 to identify the codons that correspond to each amino acid. Codons correspond to a peptide written from the N-terminal to C-terminal end.
Table 17.3 The Genetic Code—Triplets in Messenger RNA
Third Base (3′ end) |
Second Base | First Base (5′ end) |
|||||||
G | A | C | U | ||||||
U | Cys | UGU | Tyr | UAU | Ser | UCU | Phe | UUU | U |
C | Cys | UGC | Tyr | UAC | Ser | UCC | Phe | UUC | |
A | Stop | UGA | Stop | UAA | Ser | UCA | Leu | UUA | |
G | Trp | UGG | Stop | UAG | Ser | UCG | Leu | UUG | |
U | Arg | CGU | His | CAU | Pro | CCU | Leu | CUU | C |
C | Arg | CGC | His | CAC | Pro | CCC | Leu | CUC | |
A | Arg | CGA | Gln | CAA | Pro | CCA | Leu | CUA | |
G | Arg | CGG | Gln | CAG | Pro | CCG | Leu | CUG | |
U | Ser | AGU | Asn | AAU | Thr | ACU | Ile | AUU | A |
C | Ser | AGC | Asn | AAC | Thr | ACC | Ile | AUC | |
A | Arg | AGA | Lys | AAA | Thr | ACA | Ile | AUA | |
G | Arg | AGG | Lys | AAG | Thr | ACG | Met | AUG | |
U | Gly | GGU | Asp | GAU | Ala | GCU | Val | GUU | G |
C | Gly | GGC | Asp | GAC | Ala | GCC | Val | GUC | |
A | Gly | GGA | Glu | GAA | Ala | GCA | Val | GUA | |
G | Gly | GGG | Glu | GAG | Ala | CGG | Val | GUG |