6PVA:
reference: Probing the Plasticity in the Active Site of Protein N-terminal Methyltransferase 1 Using Bisubstrate Analogues., Chen D, Dong C, Dong G, Srinivasan K, Min J, Noinaj N, Huang R, J Med Chem. 2020 Aug 13;63(15):8419-8431. doi: 10.1021/acs.jmedchem.0c00770. Epub, 2020 Jul 16. PMID: 32605369

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