5FA9:
reference: Essential Role of the Linker Region in the Higher Catalytic Efficiency of a Bifunctional MsrA-MsrB Fusion Protein., Han AR, Kim MJ, Kwak GH, Son J, Hwang KY, Kim HY, Biochemistry. 2016 Sep 13;55(36):5117-27. doi: 10.1021/acs.biochem.6b00544. Epub , 2016 Sep 1. PMID: 27551953

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