3BHF:
reference: Arginine 49 Is a Bifunctional Residue Important in Catalysis and Biosynthesis of Monomeric Sarcosine Oxidase: A Context-Sensitive Model for the Electrostatic Impact of Arginine to Lysine Mutations(,)., Hassan-Abdallah A, Zhao G, Chen ZW, Mathews FS, Schuman Jorns M, Biochemistry. 2008 Feb 6;. PMID: 18251505

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