Question

what is quaternary structure?​

Answer 1

Explanation:

Two or more polypeptide chains of tertiary structure unite by different types of bonds to form polypeptide structure of protein.

Also Quaternary structure is most stable structure of protein.

Answer 2

Answer:

Protein quaternary structure[a] 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.[1] It can also refer to biomolecular complexes of proteins with nucleic acids and other cofactors.