Issue 92 of the PDB CD-ROM set, containing 12,009 structure files on five disks, is now available. Files containing the experimental data (Structure factors and NMR constraints) are also now included in this distribution.
A new file included with this release is statistics/holdings.doc. This file lists the numbers of structures determined by various experimental techniques (X-ray, NMR, Theoretical) and by molecule type (Proteins, Peptides, and Viruses; Protein Nucleic Acid Complexes; Nucleic Acids; and Carbohydrates). This file also lists the number of experimental data files (X-ray and NMR) available. The statistics/holdings.doc file is found on CD-ROM disk 1 in the directory pub.
The names of two directories have been changed with this release in order to provide a more obvious connection between directory names and directory contents. Entries is the new name for the old Distr directory that contains the main structure entries (coordinate files). Strucfac is the new name for the old Nonst directory that contains the structure factor data files.
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