6DY8:
reference: An efficient, step-economical strategy for the design of functional metalloproteins., Rittle J, Field MJ, Green MT, Tezcan FA, Nat Chem. 2019 Feb 18. pii: 10.1038/s41557-019-0218-9. doi:, 10.1038/s41557-019-0218-9. PMID: 30778140

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