A Particle of Corona Virus EMD-30430


This is a particle (virion) of corona virus SARS-CoV-2, determined by electron microsopy. The particle is composed of three parts: spike proteins, lipid membrane envelope, and RNP (ribonucleoproteins). The spike proteins play very important roles for the viral entry. The RNPs are composed of N proteins and a single RNA chain, which stored genomic information of the virus. The diameter of this particle is about 20 nm. Note that the diameter of a human cell is about 200 times larger than that of the virus particle.

Spike proteins Lipid envelope RNP(RNA and N proteins)
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