Are Moderna/Pfizer/JJ/AZ using the same code for the spike?

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In summary, the four COVID-19 vaccines currently available, Moderna, Pfizer, Johnson & Johnson, and Astrazeneca, all use the genetic code for the spike protein of the coronavirus to create immunity. While the exact genetic codes may differ slightly, they are all based on a prefusion stabilized, membrane-anchored SARS-CoV-2 full-length spike protein. This discovery was made by early researchers and passed on to Moderna and Pfizer. The safety systems for vaccines have paused the use of the Johnson & Johnson vaccine due to reports of rare and severe blood clots. If experiencing symptoms, seek medical care immediately.
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Are Moderna/Pfizer/JJ using the same genetic code to make the spike?
Given the variants of the corona virus now appearing, I was wondering,

Are Moderna, Pfizer and Johnson and Johnson and Astrazeneca all using the same genetic code to create the spike protein?
Or more specifically, the spike protein that's made by our body, is it the identical spike protein in all these four vaccines?

I hope this question makes sense?
 
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I'm not sure whether the genetic codes used are exactly the same, but for Pfizer, Moderna, and J&J they should be effectively the same as they are based on a prefusion stabilized, membrane-anchored SARS-CoV-2 full-length spike protein from Jason McLellan's group at UT Austin.

https://news.utexas.edu/2020/02/19/...results-in-new-map-to-support-vaccine-design/
https://science.sciencemag.org/content/367/6483/1260

https://www.nejm.org/doi/full/10.1056/NEJMoa2034577 (Pfizer/BioNTech)
https://www.nejm.org/doi/full/10.1056/nejmoa2022483 (Moderna)
https://www.nationalgeographic.com/...s-solving-puzzle-yielded-coronavirus-vaccines (Pfizer, Moderna, Novavax, Johnson & Johnson)
 
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Recommendation to Pause Use of Johnson & Johnson’s Janssen COVID-19 Vaccine
Updated Apr. 20, 2021
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What you need to know:
The use of Johnson & Johnson’s Janssen (J&J/Janssen) COVID-19 Vaccine is paused for now. This is because the safety systems that make sure vaccines are safe received a small number of reports of people who got this vaccine experiencing a rare and severe type of blood clot with low platelets.
Seek medical care right away if you develop any of the symptoms below.
If you have any questions at all, call your doctor, nurse, or clinic.
[ . . .]
###
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/safety/JJUpdate.html
 

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