Abstract:
:The development of computational strategies for the quantitative characterization of the functional mechanisms of SARS-CoV-2 spike proteins is of paramount importance in efforts to accelerate the discovery of novel therapeutic agents and vaccines combating the COVID-19 pandemic. Structural and biophysical studies have recently characterized the conformational landscapes of the SARS-CoV-2 spike glycoproteins in the prefusion form, revealing a spectrum of stable and more dynamic states. By employing molecular simulations and network modeling approaches, this study systematically examined functional dynamics and identified the regulatory centers of allosteric interactions for distinct functional states of the wild-type and mutant variants of the SARS-CoV-2 prefusion spike trimer. This study presents evidence that the SARS-CoV-2 spike protein can function as an allosteric regulatory engine that fluctuates between dynamically distinct functional states. Perturbation-based modeling of the interaction networks revealed a key role of the cross-talk between the effector hotspots in the receptor binding domain and the fusion peptide proximal region of the SARS-CoV-2 spike protein. The results have shown that the allosteric hotspots of the interaction networks in the SARS-CoV-2 spike protein can control the dynamic switching between functional conformational states that are associated with virus entry to the host receptor. This study offers a useful and novel perspective on the underlying mechanisms of the SARS-CoV-2 spike protein through the lens of allosteric signaling as a regulatory apparatus of virus transmission that could open up opportunities for targeted allosteric drug discovery against SARS-CoV-2 proteins and contribute to the rapid response to the current and potential future pandemic scenarios.
journal_name
J Proteome Resjournal_title
Journal of proteome researchauthors
Verkhivker GMdoi
10.1021/acs.jproteome.0c00654subject
Has Abstractpub_date
2020-11-06 00:00:00pages
4587-4608issue
11eissn
1535-3893issn
1535-3907journal_volume
19pub_type
杂志文章abstract::Protein tyrosine nitration by oxidative and nitrate stress is important in the pathogenesis of many inflammatory or aging-related diseases. Mass spectrometry analysis of protein nitrotyrosine is very challenging because the non-nitrated peptides suppress the signals of the low-abundance nitrotyrosine (NT) peptides. No...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.7b00275
更新日期:2017-08-04 00:00:00
abstract::The phagosome is very important to host immunity and tissue homeostasis maintenance. The destiny of the phagosome is closely associated with the outcome of the pathogen within. Most pathogens are successfully delivered to the lysosome and destroyed via the fusion of the phagosome with the lysosome. Mycobacterium tube...
journal_title:Journal of proteome research
pub_type: 杂志文章,评审
doi:10.1021/pr300125t
更新日期:2012-05-04 00:00:00
abstract::Extracellular vesicles (EVs) are important mediators of cell-cell communication due to their cargo content of proteins, lipids, and RNAs. We previously reported that small EVs (SEVs) called exosomes promote directed and random cell motility, invasion, and serum-independent growth. In contrast, larger EVs (LEVs) were n...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.8b00647
更新日期:2019-03-01 00:00:00
abstract::Glycoproteins are potentially important biomarkers of disease and therapeutic targets. In particular, the N-linked glycoproteins are a focus of interest as they can be found in the extracellular environment and body fluids. In this study, we have sampled the tears, the extracellular fluid of the epithelial cells cover...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr800962q
更新日期:2009-04-01 00:00:00
abstract::Tyrosine phosphorylation plays a major role in regulating cell signaling pathways governing diverse biological functions such as proliferation and differentiation. Systemically mapping phosphotyrosine (pTyr) sites is the key to understanding molecular mechanisms underlining pTyr-dependent signaling. Although mass spec...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.9b00045
更新日期:2019-04-05 00:00:00
abstract::Direct tissue profiling and imaging mass spectrometry (MS) provides a detailed assessment of the complex protein pattern within a tissue sample. MALDI MS analysis of thin tissue sections results in over of 500 individual protein signals in the mass range of 2 to 70 kDa that directly correlate with protein composition ...
journal_title:Journal of proteome research
pub_type: 杂志文章,评审
doi:10.1021/pr0341282
更新日期:2004-03-01 00:00:00
abstract::Schwann cells (SCs) are the principal glial cells of the peripheral nervous system (PNS). As a result of tissue heterogeneity and difficulties in the isolation and culture of primary SCs, a considerable understanding of SC biology is obtained from SC lines. However, the differences between the primary SCs and SC lines...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr201221u
更新日期:2012-06-01 00:00:00
abstract::Recent physiological studies indicated that S. lividans metabolism was mainly glycolytic, whereas S. coelicolor metabolism was mainly oxidative. To determine whether such metabolic characteristics were correlated with consistent proteomics features, a comparative label-free, shotgun proteomics analysis of these strain...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.7b00163
更新日期:2017-07-07 00:00:00
abstract::Due to their ease of use and high binding affinity, streptavidin-based purification tools have become widely used for isolating biotinylated compounds from complex mixtures. We and others routinely use streptavidin-sepharose matrices to isolate biotinylated polypeptides generated in proximity-dependent biotinylation a...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.0c00117
更新日期:2020-08-07 00:00:00
abstract::Human mesenchymal stromal cells (hMSCs) are promising candidates for cell therapy and tissue regeneration. Knowledge of the molecular mechanisms governing hMSC commitment into osteoblasts is critical to the development of therapeutic applications for human bone diseases. Because protein phosphorylation plays a critica...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr200868p
更新日期:2012-02-03 00:00:00
abstract::A number of aptamers have been selected against cell surface biomarkers or against eukaryotic tissue culture cells themselves. To determine the general utility of aptamers for assessing the cell surface proteome, we developed a standardized flow cytometry assay and carried out a comprehensive study with 7 different ap...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr801048z
更新日期:2009-05-01 00:00:00
abstract::Proteomics methods are being increasingly used to study archaeological and palaeontological bone, assisting in species identification and phylogenetic studies as well as improving our understanding of bone diagenesis. More recently, there are developing interests in the study of post-translational modifications, some ...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.6b00564
更新日期:2017-02-03 00:00:00
abstract::Protein-protein control recognition remains a huge challenge, and its development depends on understanding the chemical and biological mechanisms by which these interactions occur. Here we describe a protein-protein control recognition technique based on the dominant electrostatic interactions occurring between the pr...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr100027k
更新日期:2010-06-04 00:00:00
abstract::Manassantin A is a natural product that has been shown to have anticancer activity in cell-based assays, but has a largely unknown mode-of-action. Described here is the use of two different energetics-based approaches to identify protein targets of manassantin A. Using the stability of proteins from rates of oxidation...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.6b00237
更新日期:2016-08-05 00:00:00
abstract::Using an integrated transcriptomic and proteomic approach, we characterized the venom peptidome of the European red ant, Manica rubida. We identified 13 "myrmicitoxins" that share sequence similarities with previously identified ant venom peptides, one of them being identified as an EGF-like toxin likely resulting fro...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.0c00048
更新日期:2020-04-03 00:00:00
abstract::Ozone (O3), a potent air pollutant and a significant greenhouse gas, has been recognized as a major component of global climate change. However, current increasing trends in its background level are projecting a more severe threat to natural and cultivated plants in the near future. The present study has been designed...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr1002824
更新日期:2010-09-03 00:00:00
abstract::To estimate the potential of the state-of-the-art proteomics technologies on full coverage of the encoding gene products, the Chinese Human Chromosome Proteome Consortium (CCPC) applied a multiomics strategy to systematically analyze the transciptome, translatome, and proteome of the same cultured hepatoma cells with ...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr4009018
更新日期:2014-01-03 00:00:00
abstract::Oxidative stress and inflammation play a role in the physiopathology of insulin resistance, diabetes and cardiovascular disease. A single high-fat, high-carbohydrate (HFHC) meal induces an increase in inflammatory and oxidative stress markers in peripheral blood mononuclear cells (PBMC). Previous studies have shown th...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.7b00476
更新日期:2017-11-03 00:00:00
abstract::As part of the Chromosome-Centric Human Proteome Project (C-HPP) mission, laboratories all over the world have tried to map the entire missing proteins (MPs) since 2012. On the basis of the first and second Chinese Chromosome Proteome Database (CCPD 1.0 and 2.0) studies, we developed systematic enrichment strategies t...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.5b00481
更新日期:2015-09-04 00:00:00
abstract::Coronary artery disease is one of the most frequent causes of morbidity and mortality worldwide. It is even more prevalent in patients with type 2 diabetes mellitus who suffer from obesity and increased accumulation of epicardial fat with a possible contributing role in the development of coronary artery disease. We p...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.0c00269
更新日期:2020-10-02 00:00:00
abstract::Lactic acid bacteria are broadly employed as starter cultures in the manufacture of foods. Upon technological preparation, they are confronted with drying stress that amalgamates numerous stress conditions resulting in losses of fitness and survival. To better understand and differentiate physiological stress response...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.7b00474
更新日期:2017-10-06 00:00:00
abstract::During asexual intraerythrocytic development, Plasmodium falciparum diverges from the paradigm of the eukaryotic cell cycles by undergoing multiple rounds of DNA replication and nuclear division without cytokinesis. A better understanding of the molecular switches that coordinate a myriad of events for the progression...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr400394g
更新日期:2013-09-06 00:00:00
abstract::Complicating proteomic analysis of whole tissues is the obvious problem of cell heterogeneity in tissues, which often results in misleading or confusing molecular findings. Thus, the coupling of tissue microdissection for tumor cell enrichment with capillary isotachophoresis-based selective analyte concentration not o...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr300303t
更新日期:2012-08-03 00:00:00
abstract::Comparative phosphoproteomics of Mycobacterium tuberculosis (Mtb)- and Mycobacterium bovis BCG (BCG)-infected macrophages could be instrumental in understanding the characteristic post-translational modifications of host proteins and their subsequent involvement in determining Mtb pathogenesis. To identify proteins ac...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.9b00895
更新日期:2020-06-05 00:00:00
abstract::The Esx/WXG-100 (ESAT-6/Wss) exporters are multiprotein complexes that promote protein translocation across the cytoplasmic membrane in a diverse range of pathogenic and nonpathogenic bacterial species. The Esx-1 (ESAT-6 System-1) system mediates virulence factor translocation in mycobacterial pathogens, including the...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr500484w
更新日期:2014-11-07 00:00:00
abstract::The missing human proteome comprises predicted protein-coding genes with no credible protein level evidence detected so far and constitutes ~18% of the human protein coding genes (neXtProt release 19/9/2014). The missing proteins may be of pharmacological interest as many of these are membrane receptors, thus requirin...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.5b00728
更新日期:2015-12-04 00:00:00
abstract::The physical, endocrine, and metabolic responses of livestock to road transport have been evaluated by conventional hematological and biochemistry parameters for more than 20 years. However, these measures are relatively insensitive to subtle metabolic adaptations. We applied NMR-based metabonomics to assess system-wi...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr100862t
更新日期:2011-03-04 00:00:00
abstract::We report here using a novel technology-electrospray-assisted laser desorption ionization (ELDI)/mass spectrometry-for the rapid and sensitive detection of the major proteins that exist in dried biological fluids (e.g., blood, tears, saliva, serum), bacterial cultures, and tissues (e.g., porcine liver and heart) under...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr050442f
更新日期:2006-05-01 00:00:00
abstract::Lung cancer, with its high metastatic potential and high mortality rate, is the worldwide leading cause of cancer-related deaths. High-throughput "omics"-based platforms have accelerated the discovery of biomarkers for lung cancer, and the resulting candidates are to be evaluated for their diagnostic potential as noni...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/pr5010828
更新日期:2015-03-06 00:00:00
abstract::Advances in high-throughput proteomics have led to a rapid increase in the number, size, and complexity of the associated data sets. Managing and extracting reliable information from such large series of data sets require the use of dedicated software organized in a consistent pipeline to reduce, validate, exploit, an...
journal_title:Journal of proteome research
pub_type: 杂志文章
doi:10.1021/acs.jproteome.5b00853
更新日期:2016-10-07 00:00:00