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Figure 5
B3C (site 1) in proteinase K at the interface of two proteinase K molecules. Substructure density calculated with SHELXE (using FA and α) is shown for B3C at 4σ. Hydrogen bonds are depicted as dashed lines and distances are given in Å. The two carboxylate groups interact with Asn270 and Ser45.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 66| Part 4| April 2010| Pages 374-380
https://doi.org/10.1107/S0907444909051609
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