Question

write the Quaternary structure of proteins​

Answer 1

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Protein quaternary structure is the number and arrangement of multiple folded protein subunits in a multi-subunit complex. It includes organisations from simple dimers to large homooligomers and complexes with defined or variable numbers of subunits.

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Answer 2

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When two or more polypeptide chains with folded tertiary structures come together into one protein complex, the resulting shape is called quaternary structure of the protein. Each individual polypeptide chain is called a subunit of the overall protein. For example: Haemoglobin consists of four subunitscalled haeme held together by intermolecular forces in a compact three dimensional shape.Haemoglobin can do its function of oxygen transport only when all the four subunits are together