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25 Oct 2021
Background and context
The proteins are made up of four types of structures:
- Primary structure: The backbone of the protein i.e., the polypeptide chain which is made up of different combinations of 20 amino acids forms the primary structure of the protein.
- Secondary structure: The repeated foldings of the primary backbone of the protein comprise the secondary structure of the protein. Alpha helix and beta-sheet are the two types of findings that occur at the secondary structure level.
- Tertiary structure: The folding and compacting of the protein backbone to form a 3D structure results in tertiary structure.
- Quaternary structure: Many proteins form by attaching many protein subunits. So Quaternary structure results when two or more protein subunits are packed together to form an active protein.
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