5MI4:
reference: Increase of enzyme activity through specific covalent modification with fragments., Darby JF, Atobe M, Firth JD, Bond P, Davies GJ, O'Brien P, Hubbard RE, Chem Sci. 2017 Nov 1;8(11):7772-7779. doi: 10.1039/c7sc01966a. Epub 2017 Sep 27. PMID: 29163914

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