Target intelligence / Profile preview

Protein Disulfide Bonds (Disulfide Bonds)

Target
Disulfide Bonds
Molecular classification
Post-translational modification, Protein structural element
01

Overview

Disulfide bonds are covalent linkages formed between the thiol groups of two cysteine residues within a protein or between different polypeptide chains. They play a crucial role in stabilizing protein structure, influencing protein folding, and contributing to the redox regulation of proteins. In the context of protein crystallization, disulfide bonds are strategically engineered to reduce conformational entropy and enhance crystal quality, facilitating high-resolution structure determination.

Other names
S-S bondsDisulfide linkagesCystine bonds
02

Mechanism of action

N/A

03

Biological functions

Protein foldingProtein stabilityRedox regulationEnzyme activity regulationProtein crystallization
04

Disease associations

Cancer (related to PDI)Neurodegenerative diseases (related to PDI)Protein misfolding diseases

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