Some viruses have different spike protein. Explain what happened to the gene which affected the protein...

Some viruses have different spike protein. Explain what happened to the gene which affected the protein that is produced based on transcription and translation.

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Answer:

There are many viruses which have different spike protein based on ranges of amino acid 1,160 amino acid (IBV-Infectious bronchitis virus) to 1400 amino acid. ( feline coronavirus). The coronavirus has a spike fusion protein.

In their alpha-helical structure, there are S1 Subunit and S2 Subunit. Both used as receptors to bind Sugar and proteins. It is a Parasite; so it heavily depends upon host cell structure for their life cycle. The mRNA translation includes four steps. The name is mentioned followings

1. Initiation: In the initial stage, mRNA is recognized and assembly of 80S complex. Later tRNA binds at the peptidyl site of the mRNA.

2.Elongation: In this steps, tRNA enters the acceptor A site and ribosome catalyze the formation of a peptide bond.in the next step of elongation tRNA and mRNA are translocated, and codon is moved into A site.

3. Termination: In this process, a stop codon has occurred, the translation process is terminated. And peptide from the ribosome.

4. Recycling: It involves dissociation of the ribosome and the release of mRNA and deacylated tRNA. And another round of translation starts.

gladiator answered 1 year ago

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