Descrizione
One-carbon metabolism pathway diagram depicting the interconnected folate and methionine cycles. The methionine synthase reaction, homocysteine remethylation, and SAM-dependent methyltransferase activities are mapped in relation to COVID-19 pathology.
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![Figure 5: One-carbon metabolism pathway diagram depicting the interconnected folate and methionine cycles. The methionine synthase reaction, homocysteine remethylation, and SAM-dependent methyltransferase activities are mapped in relation to COVID-19 pathology.]() > Source: Andrew McCaddon et al. "COVID-19: A methyl-group assault?." *Medical hypotheses*, 2021. PMID: [33657459](https://pubmed.ncbi.nlm.nih.gov/33657459/)
<figure> <img src="" alt="One-carbon metabolism pathway diagram depicting the interconnected folate and methionine cycles. The methionine synthase reaction, homocysteine remethylation, and SAM-dependent methyltransferase activities are mapped in relation to COVID-19 pathology." /> <figcaption>Figure 5. One-carbon metabolism pathway diagram depicting the interconnected folate and methionine cycles. The methionine synthase reaction, homocysteine remethylation, and SAM-dependent methyltransferase activities are mapped in relation to COVID-19 pathology.<br> Source: Andrew McCaddon et al. "COVID-19: A methyl-group assault?." <em>Medical hypotheses</em>, 2021. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/33657459/">33657459</a></figcaption> </figure>