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Figure 4
The structure of XI. (a) XI monomer showing the bi-domain arrangement: N-terminal parallel (α/β)8-barrel fold and a long C-terminal loop. (b) Close-up of the XI active site showing the refined metal cofactors (M1 and M2 as purple spheres, waters in red) with their 2Fobs − Fcalc electron density map contoured at 1σ (0.41 e− Å−3).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 26| Part 4| July 2019| Pages 931-944
https://doi.org/10.1107/S1600577519005599
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