In an oligopeptide named Alanylglycylphenyl alanyl isoleucine, the number of hybridised carbons is .

Question

In an oligopeptide named Alanylglycylphenyl alanyl isoleucine, the number of  hybridised carbons is .

Canvas Classes · Accepted Answer

The oligopeptide mentioned is a tetrapeptide composed of 4 amino acids: Alanine - Glycine - Phenylalanine - Isoleucine.
Counting the  hybridized carbons:
- A tetrapeptide contains exactly 3 peptide bonds. Each has one  carbonyl carbon   carbons.
- The C-terminal amino acid (isoleucine here) has a free carboxylic acid group (), providing   carbonyl carbon.
- The side chain of phenylalanine contains a phenyl ring, which is a fully conjugated benzene ring contributing   carbons.
Summing these up gi

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