Question 17.sp.7: Derive the amino acid sequence that is coded for by the foll...

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

 

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17.6a

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