Forming disulfides in the endoplasmic reticulum

Oka, O. B.V. and Bulleid, N. J. (2013) Forming disulfides in the endoplasmic reticulum. Biochimica et Biophysica Acta: Molecular Cell Research, 1833(11), pp. 2425-2429. (doi: 10.1016/j.bbamcr.2013.02.007)

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Protein disulfide bonds are an important co- and post-translational modification for proteins entering the secretory pathway. They are covalent interactions between two cysteine residues which support structural stability and promote the assembly of multi-protein complexes. In the mammalian endoplasmic reticulum (ER), disulfide bond formation is achieved by the combined action of two types of enzyme: one capable of forming disulfides de novo and another able to introduce these disulfides into substrates. The initial process of introducing disulfides into substrate proteins is catalyzed by the protein disulfide isomerase (PDI) oxidoreductases which become reduced and, therefore, have to be re-oxidized to allow for further rounds of disulfide exchange. This review will discuss the various pathways operating in the ER that facilitate oxidation of the PDI oxidoreductases and ultimately catalyze disulfide bond formation in substrate proteins. This article is part of a Special Issue entitled: Functional and structural diversity of endoplasmic reticulum.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Bulleid, Professor Neil and Oka, Dr Ojore
Authors: Oka, O. B.V., and Bulleid, N. J.
College/School:College of Medical Veterinary and Life Sciences > School of Molecular Biosciences
Journal Name:Biochimica et Biophysica Acta: Molecular Cell Research
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
528621Regulating the redox conditions within the mammalian endoplasmic reticulumNeil BulleidWellcome Trust (WELLCOME)088053/Z/08/ARI MOLECULAR CELL & SYSTEMS BIOLOGY