The Role of S—S Groups in Proteins

  • Yu. M. Torchinskii
Part of the Studies in Soviet Science book series (STSS)


The disulfide group is the most widespread of the covalent bonds in proteins that can link different parts of a polypeptide chain or different chains, and can thus play a part in maintaining the secondary, tertiary, and quaternary structures of proteins. The restriction of rotation around S—S bonds gives to the proteins that contain them an added rigidity in their macrostructure. Disulfide bonds are mainly found in extracellular proteins.


Circular Dichroism Silk Fibroin Wool Fiber Ascaris Lumbricoides Pancreatic Ribonuclease 
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Copyright information

© Consultants Bureau, New York 1974

Authors and Affiliations

  • Yu. M. Torchinskii
    • 1
  1. 1.Institute of Molecular BiologyAcademy of Sciences of the USSRMoscowUSSR

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