Protein Structure- Primary, Secondary, Tertiary and Quaternary

Protein Structure- Primary, Secondary, Tertiary and Quaternary

Four levels of hierarchy in protein conformation can be described. A. PRIMARY STRUCTURE PRIMARY STRUCTURE refers to the order of the amino acids in the peptide chain. 1. The free α-amino group, written to the left, is called the amino-terminal or N-terminal end. 2. The free α-carboxyl group, written to the right, is called the carboxyl-terminal or C-terminal end. B. …

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