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Figure 4
Repositioning of the nitrite ligand in the T2Cu site during catalysis. A switch from the top-hat nitrite (left panels) to the side-on nitrite (right panels) orientation was observed in the first few frames of the MSOX serial movies at 100 K (Horrell et al., 2016BB21), 190 K and RT. The catalytically important His255 and Asp98 residues are shown, with both the gatekeeper and proximal AspCAT positions present in the initial structures. The His100 ligand of T2Cu has been omitted for clarity.

IUCrJ
Volume 5| Part 3| May 2018| Pages 283-292
ISSN: 2052-2525
https://doi.org/10.1107/S205225251800386X