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Figure 2
Structural comparisons of MCR-1 and MCR-2. (a) Alignment of MCR-15LRN and MCR-2CD, both coloured by secondary structure (loops are in grey, α-­helices in cyan and β-sheets in blue). The MCR-2 active site is shown (Zn spheres are in grey, waters are shown as red spheres and zinc-coordinating residues are shown as sticks). (b) Positions of variable amino acids (red) in MCR-2. The di-zinc (grey spheres) active site (labelled) is located on the putative membrane-proximal face. Top: two views of MCR-2 rotated 140°, with variable amino acids shown as sticks. Bottom: MCR-2 surface view, with orientations as in (a).

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
Volume 73| Part 8| August 2017| Pages 443-449
https://doi.org/10.1107/S2053230X17009669
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