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6ZET: Crystal structure of proteinase K nanocrystals by electron diffraction with a 20 micrometre C2 condenser aperture |
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303