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Int. J. Mol. Sci. 2018, 19(1), 198;

Understanding the Role of Intrinsic Disorder of Viral Proteins in the Oncogenicity of Different Types of HPV

Department of Genetics, School of Medicine of Ribeirão Preto, University of São Paulo, Sao Paulo 14049-900, Brazil
Author to whom correspondence should be addressed.
Received: 19 December 2017 / Revised: 6 January 2018 / Accepted: 7 January 2018 / Published: 9 January 2018
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Intrinsic disorder is very important in the biological function of several proteins, and is directly linked to their foldability during interaction with their targets. There is a close relationship between the intrinsically disordered proteins and the process of carcinogenesis involving viral pathogens. Among these pathogens, we have highlighted the human papillomavirus (HPV) in this study. HPV is currently among the most common sexually transmitted infections, besides being the cause of several types of cancer. HPVs are divided into two groups, called high- and low-risk, based on their oncogenic potential. The high-risk HPV E6 protein has been the target of much research, in seeking treatments against HPV, due to its direct involvement in the process of cell cycle control. To understand the role of intrinsic disorder of the viral proteins in the oncogenic potential of different HPV types, the structural characteristics of intrinsically disordered regions of high and low-risk HPV E6 proteins were analyzed. In silico analyses of primary sequences, prediction of tertiary structures, and analyses of molecular dynamics allowed the observation of the behavior of such disordered regions in these proteins, thereby proving a direct relationship of structural variation with the degree of oncogenicity of HPVs. The results obtained may contribute to the development of new therapies, targeting the E6 oncoprotein, for the treatment of HPV-associated diseases. View Full-Text
Keywords: intrinsically disordered proteins; computational prediction; E6 protein; HPV; cancer intrinsically disordered proteins; computational prediction; E6 protein; HPV; cancer

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Tamarozzi, E.R.; Giuliatti, S. Understanding the Role of Intrinsic Disorder of Viral Proteins in the Oncogenicity of Different Types of HPV. Int. J. Mol. Sci. 2018, 19, 198.

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