Question

Полипептид должен иметь следующую аминокислотную последовательность: метионин - глицин - валин - тирозин - серин - аргинин - глутамин. Однако, во время трансляции образовался осколочный белок. Объясните причину этого явления. Какая мутация вызвала это нарушение?

Answer 1

Объяснение:

з'єднання елементів глецину і серину

Answer 2

Polypeptide Sequence and Fragmented Protein Formation

The given polypeptide sequence is: methionine - glycine - valine - tyrosine - serine - arginine - glutamine. However, during translation, a fragmented protein was formed. This phenomenon can be explained by a mutation that caused this disruption in the polypeptide sequence.

Mutation Causing Fragmented Protein Formation

The specific mutation that caused the formation of a fragmented protein can vary. Mutations are changes in the DNA sequence, and they can occur due to various factors such as errors during DNA replication, exposure to mutagens, or spontaneous changes in the DNA.

One possible mutation that could cause this disruption is a frameshift mutation. A frameshift mutation occurs when nucleotides are inserted or deleted in the DNA sequence, shifting the reading frame during translation. This shift alters the grouping of nucleotides into codons, which subsequently changes the amino acid sequence of the resulting polypeptide.

For example, if a single nucleotide is inserted or deleted in the DNA sequence, it can shift the reading frame and lead to a completely different amino acid sequence. In the case of the given polypeptide sequence, if a frameshift mutation occurred after the valine amino acid, it could disrupt the subsequent codons and lead to the formation of a fragmented protein.

It's important to note that without specific information about the exact mutation that occurred, it is difficult to determine the precise cause of the fragmented protein formation. However, frameshift mutations are one possible explanation for this phenomenon.

Conclusion

In summary, the formation of a fragmented protein from the given polypeptide sequence can be attributed to a mutation, such as a frameshift mutation, that disrupted the reading frame during translation.