Disulphide bond: Difference between revisions
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A disulphide bond is a covalent linkage between two sulfhydryl groups on the R groups of two [[Cysteine|cysteine]] residues on a [[Polypeptide|polypeptide]] backbone. It can either be a inter or intra molecular bond. This type of linkage forms during the processing of the protein in the rough endoplasmic reticulum. The disulphide bond is responsable for the stability of the [[ | A disulphide bond is a covalent linkage between two sulfhydryl groups on the R groups of two [[Cysteine|cysteine]] residues on a [[Polypeptide|polypeptide]] backbone. It can either be a inter or intra molecular bond. This type of linkage forms during the processing of the protein in the rough endoplasmic reticulum. The disulphide bond is responsable for the stability of the [[Tertiary Protein Structure|tertiary]] and quaternary structure of a majority of known proteins. | ||
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== '''References ''' == | |||
== '''References ''' == | |||
*Alberts B, Johnson A, Lewis J, Raff M, Roberts K, Walter P (2008). ''Molecular Biology of the Cell''. New York. Garland Science | *Alberts B, Johnson A, Lewis J, Raff M, Roberts K, Walter P (2008). ''Molecular Biology of the Cell''. New York. Garland Science | ||
Revision as of 15:23, 23 November 2010
A disulphide bond is a covalent linkage between two sulfhydryl groups on the R groups of two cysteine residues on a polypeptide backbone. It can either be a inter or intra molecular bond. This type of linkage forms during the processing of the protein in the rough endoplasmic reticulum. The disulphide bond is responsable for the stability of the tertiary and quaternary structure of a majority of known proteins.
References
- Alberts B, Johnson A, Lewis J, Raff M, Roberts K, Walter P (2008). Molecular Biology of the Cell. New York. Garland Science