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Figure 4
(a) Distribution of distances from iron to sulfur in an Fe2S2 cluster. For each Fe2S2 cluster (identified by CSD Refcode) the distances to all four sulfurs within the Fe2S2 cluster are shown in blue, while the distances to all four external sulfurs are shown in orange. (b) Distribution of Fe—S distances within Fe2S2 modeled in the PDB high-resolution data (<1.5 Å). Typical Fe—S distances are ∼2.2 Å between Fe and sulfurs within the Fe2S2 cluster, while typical Fe—S distances are ∼2.3 Å between Fe and external (cysteine) sulfurs.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 73| Part 3| March 2017| Pages 223-233
https://doi.org/10.1107/S2059798317001061
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