4R05:
reference: Refolding of a fully functional flavivirus methyltransferase revealed that S-adenosyl methionine but not S-adenosyl homocysteine is co-purified with flavivirus methyltransferase., Brecher MB, Li Z, Zhang J, Chen H, Lin Q, Liu B, Li H, Protein Sci. 2014 Oct 29. doi: 10.1002/pro.2594. PMID: 25352331

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