» Articles » PMID: 24030959

High Throughput Screening of Disulfide-containing Proteins in a Complex Mixture

Overview
Journal Proteomics
Date 2013 Sep 14
PMID 24030959
Citations 9
Authors
Affiliations
Soon will be listed here.
Abstract

The formation of disulfide bonds between cysteine residues is crucial for the stabilization of native protein structures and, thus, determination of disulfide linkages is an important facet of protein structural characterization. Nonetheless, the identification of disulfide bond linkages remains a significant analytical challenge, particularly in large proteins with complex disulfide patterns. Herein, we have developed a new LC/MS strategy for rapid screening of disulfides in an intact protein mixture after a straightforward reduction step with tris(2-carboxyethyl)phosphine. LC/MS analysis of reduced and nonreduced protein mixtures quickly revealed disulfide-containing proteins owing to a 2 Da mass increase per disulfide reduction and, subsequently, the total number of disulfide bonds in the intact proteins could be determined. We have demonstrated the effectiveness of this method in a protein mixture composed of both disulfide-containing and disulfide-free proteins. Our method is simple (no need for proteolytic digestion, alkylation, or the removal of reducing agents prior to MS analysis), high throughput (fast on-line LC/MS analysis), and reliable (no S-S scrambling), underscoring its potential as a rapid disulfide screening method for proteomics applications.

Citing Articles

BotCl, the First Chlorotoxin-like Peptide Inhibiting Newcastle Disease Virus: The Emergence of a New Scorpion Venom AMPs Family.

Jlassi A, Mekni-Toujani M, Ferchichi A, Gharsallah C, Malosse C, Chamot-Rooke J Molecules. 2023; 28(11).

PMID: 37298831 PMC: 10254560. DOI: 10.3390/molecules28114355.


Top-down mass spectrometry and assigning internal fragments for determining disulfide bond positions in proteins.

Wei B, Zenaidee M, Lantz C, Williams B, Totten S, Ogorzalek Loo R Analyst. 2022; 148(1):26-37.

PMID: 36399030 PMC: 9772244. DOI: 10.1039/d2an01517j.


Dimerization interface of osteoprotegerin revealed by hydrogen-deuterium exchange mass spectrometry.

Xiao Y, Li M, Larocque R, Zhang F, Malhotra A, Chen J J Biol Chem. 2018; 293(45):17523-17535.

PMID: 30254073 PMC: 6231129. DOI: 10.1074/jbc.RA118.004489.


Top-Down Characterization of Proteins with Intact Disulfide Bonds Using Activated-Ion Electron Transfer Dissociation.

Rush M, Riley N, Westphall M, Coon J Anal Chem. 2018; 90(15):8946-8953.

PMID: 29949341 PMC: 6434944. DOI: 10.1021/acs.analchem.8b01113.


Custom selenoprotein production enabled by laboratory evolution of recoded bacterial strains.

Thyer R, Shroff R, Klein D, dOelsnitz S, Cotham V, Byrom M Nat Biotechnol. 2018; 36(7):624-631.

PMID: 29863724 PMC: 6035053. DOI: 10.1038/nbt.4154.


References
1.
Wu S, Jardine I, Hancock W, Karger B . A new and sensitive on-line liquid chromatography/mass spectrometric approach for top-down protein analysis: the comprehensive analysis of human growth hormone in an E. coli lysate using a hybrid linear ion trap/Fourier transform ion cyclotron.... Rapid Commun Mass Spectrom. 2004; 18(19):2201-7. DOI: 10.1002/rcm.1609. View

2.
Gorman J, Wallis T, Pitt J . Protein disulfide bond determination by mass spectrometry. Mass Spectrom Rev. 2002; 21(3):183-216. DOI: 10.1002/mas.10025. View

3.
Xu G, Zhai H, Narayan M, McLafferty F, Scheraga H . Simultaneous characterization of the reductive unfolding pathways of RNase B isoforms by top-down mass spectrometry. Chem Biol. 2004; 11(4):517-24. DOI: 10.1016/j.chembiol.2004.03.020. View

4.
Thevis M, Ogorzalek Loo R, Loo J . Mass spectrometric characterization of transferrins and their fragments derived by reduction of disulfide bonds. J Am Soc Mass Spectrom. 2003; 14(6):635-47. DOI: 10.1016/S1044-0305(03)00199-5. View

5.
Peng Y, Chen X, Sato T, Rankin S, Tsuji R, Ge Y . Purification and high-resolution top-down mass spectrometric characterization of human salivary α-amylase. Anal Chem. 2012; 84(7):3339-46. DOI: 10.1021/ac300083y. View