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The recent pandemic caused by the novel coronavirus resulted in the greatest global health crisis since the Spanish flu pandemic of 1918. There is limited knowledge of whether SARS-CoV-2 is physically associated with human metalloproteins. Recently, high-confidence, experimentally supported protein-protein interactions between SARS-CoV-2 and human proteins were reported. In this work, 58 metalloproteins among these human targets have been identified by a structure-based approach. This study reveals that most human metalloproteins interact with the recently discovered SARS-CoV-2 orf8 protein, whose antibodies are one of the principal markers of SARS-CoV-2 infections. Furthermore, this work provides sufficient evidence to conclude that Zn2+ plays an important role in the interplay between the novel coronavirus and humans. First, the content of Zn-binding proteins in the involved human metalloproteome is significantly higher than that of the other metal ions. Second, a molecular linkage between the identified human Zn-binding proteome with underlying medical conditions that might increase the risk of severe illness from the SARS-CoV-2 virus has been found. Likely perturbations of host cellular metal homeostasis by SARS-CoV-2 infection are highlighted.

A SARS-CoV-2 –human metalloproteome interaction map / Chasapis, Christos T.; Georgiopoulou, Athanasia K.; Perlepes, Spyros P.; Bjørklund, Geir; Peana, Massimiliano. - In: JOURNAL OF INORGANIC BIOCHEMISTRY. - ISSN 0162-0134. - (2021), p. 111423. [10.1016/j.jinorgbio.2021.111423]

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