5C2Y:
reference: Structure of Saccharomyces cerevisiae Rtr1 reveals an active site for an atypical phosphatase., Irani S, Yogesha SD, Mayfield J, Zhang M, Zhang Y, Matthews WL, Nie G, Prescott NA, Zhang YJ, Sci Signal. 2016 Mar 1;9(417):ra24. doi: 10.1126/scisignal.aad4805. PMID: 26933063

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