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in b.linchenformis a few amino acids are removed from the c-terminal end of the beta lactamase enzyme after it is synthesized. The sequence of the origional c-terminus can be deduced by comparing it to a mutant in which the reading frame shifted by insertion or deletion of a nucleotide

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Answer:

WILD TYPE: NMNGK  

CODON SEQUENCE: AAU AUG AAU GGC AAA  

MUTANT: NMIWQCVMKD  

Explanation:

CODON SEQUENCE – AAU AUG AUA UGG CAA AUA UGU GUA AUG AAA GAU  

in the mutant insertion of U nucleotide shifted the frame. if the U (underlined and bold) was not inserted then the wild-type sequence will be

NMNGKYV (STOP CODON) = 269 AMINO ACID LONG WILD TYPE PROTEIN.  

CODON SEQUENCE  AAU AUG AAU GGC AAA UAU GUG UAA

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