Title : Disulfide Bonds Play a Critical Role in the Structure and Function of the Receptor-binding Domain of the SARS-CoV-2 Spike Antigen.

Pub. Date : 2022 Jan 30

PMID : 34780781






5 Functional Relationships(s)
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1 Disulfide bonds play a critical role in the structure and function of the receptor-binding domain of the SARS-CoV-2 Spike antigen. Disulfides surface glycoprotein Severe acute respiratory syndrome coronavirus 2
2 The Spike proteins of coronaviruses, responsible for cell receptor binding and viral internalization, possess multiple and frequently conserved disulfide bonds raising the question about their role in these proteins. Disulfides surface glycoprotein Severe acute respiratory syndrome coronavirus 2
3 Here, we present a detailed structural and functional investigation of the disulfide bonds of the SARS-CoV-2 Spike receptor-binding domain (RBD). Disulfides surface glycoprotein Severe acute respiratory syndrome coronavirus 2
4 This flexibility is particularly prominent for the disulfide bond-containing surface loop (residues 456-490) that participates in the formation of the interaction surface with the Spike cell receptor ACE2. Disulfides surface glycoprotein Severe acute respiratory syndrome coronavirus 2
5 Our research demonstrates the mechanism by which the disulfide bonds contribute to the molecular structure of the RBD of the Spike protein, allowing the RBD to execute its viral function. Disulfides surface glycoprotein Severe acute respiratory syndrome coronavirus 2