4RUC:
reference: Structural Basis for Error-Free Bypass of the 5-N-Methylformamidopyrimidine-dG Lesion by Human DNA Polymerase eta and Sulfolobus solfataricus P2 Polymerase IV., Patra A, Banerjee S, Johnson Salyard TL, Malik CK, Christov PP, Rizzo CJ, Stone MP, Egli M, J Am Chem Soc. 2015 Jun 10;137(22):7011-4. doi: 10.1021/jacs.5b02701. Epub 2015, May 27. PMID: 25988947

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