Drawing Structures of Tetrapeptides
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How to draw the structure of this tetrapeptide:
Ala-Ser-Tyr-Thr
What type of bonding between amino acid residues is most important in holding a protein and polypeptide in a specific secondary configuration?
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Solution Summary
This solution explains structures of tetrapeptide and describes bonding between amino acids.
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Since alanine is listed first, this one must be the N-terminal. That means that it will expose its free NH2 group. Since threonine is listed last, it is the C-terminal. That means that it will have its COOH group free and exposed. We know this because primary structure of proteins are always listed with the N-term first.
The other piece of information we need is ...
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