CBSE Class 12-science Answered
what are Quaternary structure of protein?
Asked by | 26 Aug, 2012, 12:27: PM
Expert Answer
Quaternary structure , is the structure that results of the assembly of several polypeptide to make an unique functional protein, stabilized through several noncovalent interactions between the R side chain of amino acids from different peptide chains.
The non covalent interactions that maintain this structure are the same non covalent interactions that maintain the tertiary structure: Hydrogen bonds, Ionic interactions, Hydrophobic attractions and Van der Waals Forces.
The arrangement of the monomers in the three-dimensional protein is the quaternary structure. The most common example used to illustrate quaternary structure is the hemoglobin protein.
Answered by | 27 Aug, 2012, 01:44: PM
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