In the given pentapeptide, find out an essential amino acid 
and the sequence present in the pentapeptide:
Choose the correct answer from the options given below:
Sequence | |
Serine | Ser-Asp-Thr-Ala-Gly |
Sequence | |
Serine | Thr-Ser-Asp-Ala-Gly |
Sequence | |
Threonine | Ser-Thr-Asp-Gly-Ala |
Sequence | |
Threonine | Thr-Ser-Asp-Gly-Ala |
Text Solution
Verified by ExpertsD
Among the amino acids present (Serine, Aspartic acid, Glycine, Alanine, and Threonine), only Threonine is classified as an essential amino acid; the others are non-essential or conditionally essential. Therefore, 
Threonine.
Examining the peptide sequence shown in the structure and cross-referencing with the provided options, the sequence is Thr-Ser-Asp-Gly-Ala from N-terminus to C-terminus.
The answer is option : Y is Threonine with sequence Thr-Ser-Asp-Gly-Ala.
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