Disulfide bond

Definition

A disulfide bond is a strong covalent bond formed between the sulfur atoms of two cysteine amino acids within a protein, stabilizing its three-dimensional structure. It plays a crucial role in the folding and stability of proteins, affecting their function in the body.

Related terms

Cysteine: An amino acid containing a thiol group, which participates in the formation of disulfide bonds within proteins.

Protein Folding: The process by which a protein structure assumes its functional shape or conformation through interactions including disulfide bonds.

Covalent Bond: A chemical bond that involves the sharing of electron pairs between atoms, providing stability and defining molecular structures