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. 2020 Sep 14;6(9):e04943. doi: 10.1016/j.heliyon.2020.e04943

Table 2.

Calculated viral protein data.

Virus Protein name Number of copies Mr (Da) Atoms per protein molecule
C H O N S
SARS-CoV-2 Nucleoprotein 2368 45624.58 1971 3137 629 607 7
Membrane protein 1184 25146.01 1165 1823 301 303 8
Spike protein 222 141175.1 6336 9770 1894 1656 54



MERS Nucleoprotein 2368 45047.17 1965 3102 611 594 7
Membrane protein 1184 24516.27 1128 1756 302 282 13
Spike protein 222 149380.5 6681 10245 2029 1737 63



SARS Nucleoprotein 2368 46023.9 1985 3150 633 618 7
Membrane protein 1184 25059.92 1155 1809 300 303 10
Spike protein 222 139121.8 6252 9593 1871 1609 59