Explain the tertiary and quaternary structure of protein with example.
Explain the tertiary and quaternary structure of protein with example.
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Tertiary structure:
1. In tertiary structure the peptide chains are much looped, twisted and folded back on themselves due to formation of disulphide bonds.
2. Such loops and bends give the protein a tertiary structure.
3. E.g. Myoglobin, enzymes..
Quaternary structure:
1. When a protein has more than two polypeptide subunits their arrangement in space is called quaternary structure.
2. E.g. Haemoglobin.
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