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Figure 2
(a) The SEC-MALS chromatogram. The bar diagrams in (b) show the occupancies of atoms of the initially determined substructure as calculated with SHELXD (Sheldrick, 2015 ) and the height of the anomalous map peak calculated with phases of the final structure by ANODE (Thorn & Sheldrick, 2011 ). The drop after the 11th site indicates that only 11 Fe atoms are present. (c) The unit cell. One asymmetric unit is shown as a cartoon representation of the peptide backbone, with the covalently attached heme shown as as a ball-and-stick model and each chain coloured individually. The other asymmetric units are depicted as surface models coloured red, blue and green. |


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