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Figure 5
Depiction of the two different oligomerization states found in the crystal structure of NirC. On the left, the NirC monomer and both dimer conformations are shown as described in Fig. 1[link] after the superposition of one protomer. The backbone of NirC is shown as a cartoon with the covalently attached heme as a ball-and-stick model. On the right, the residues of the hinge loop are depicted as stick models with a 2FoFc map at a σ level of 1, coloured according to the associated chain and individually orientated to allow an unobstructed view.

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ISSN: 2059-7983
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