4N4A: Cystal Structure Of Cap-Specific Mrna (Nucleoside-2'-O-)- Methyltransferase 1
reference: Structural analysis of human 2'-O-ribose methyltransferases involved in mRNA cap structure formation., Smietanski M, Werner M, Purta E, Kaminska KH, Stepinski J, Darzynkiewicz E, Nowotny M, Bujnicki JM, Nat Commun. 2014 Jan 9;5:3004. doi: 10.1038/ncomms4004. PMID: 24402442

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