The coronavirus disease (COVID-19) arises from the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) which is an enveloped RNA virus. COVID-19 has rapidly spread throughout the world by infecting more than 143 million people and causing 3.04 million deaths worldwide by 22 April 2021, confirmed by the World Health Organization. It caused great concern and pandemic all over the world, therewithal there has not been found any specific and efficient treatment yet. In the current review, we aimed to define the biophysical and biochemical aspects of SARS-CoV-2, including renin-angiotensin-system, cytokine storms, receptor binding, protein structural and functional features, molecular interactions, and conformational changes that take place during viral attachment and entering into human cells. It was also aimed to highlight the general hallmarks of COVID-19, including treatment strategies, diagnosis and even prevention. Thus, this review will serve as an updated comprehensive body of information and discussion on COVID-19 and will help the molecular scientists, biophysicists, clinicians, as well as medical engineers. Thereby, further understanding of COVID-19 will provide novel insights and advances in development of therapeutic potentials and vaccine alternatives as well as in detection of specific targets for diagnosis.
Keywords: ACE2; COVID-19; Conformation; Coronavirus; SARS-CoV-2; Spike protein.
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