6OFZ:
reference: A binary arginine methylation switch on histone H3 Arginine 2 regulates its interaction with WDR5., Lorton BM, Harijan RK, Burgos ES, Bonanno JB, Almo SC, Shechter D, Biochemistry. 2020 Mar 24. doi: 10.1021/acs.biochem.0c00035. PMID: 32207970

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