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. Author manuscript; available in PMC: 2021 Apr 6.
Published in final edited form as: Nat Rev Chem. 2020 Jul 22;4(10):542–549.

Fig. 3 |. Transfer of S/Se from the HydG synthon to make the adt2− bridge.

Fig. 3 |

a | The semi-synthetic maturation of the H-cluster with the bridging S/Se sourced from cysteine/selenocysteine introduced by a synthetic HydG synthon carrier. b | Se and Fe edge extended X-ray absorption fine structure data show the incorporation of Se into the [2Fe]H subcluster. Adapted with permission from REF.45, PNAS.