Our current infrastructure imports and classifies new PDB files on a weekly basis.
Starting with this release, we are also producing periodic updates that add newly released PDB entries the classification (approximately monthly). These periodic updates add new entries to the 1.75B release, without affecting older domains. Sequences for the newly added chains and domains will not be included in the ASTRAL subsets until the subsequent stable release.
In addition to making new domains and PDB entries visible through the web interface, the periodic updates also include updated versions of:
Note that these periodic updates will not replace stable releases or the files we make available with each stable version. Because stable releases of SCOP (and the ASTRAL subsets) are commonly used to benchmark algorithms, we plan to continue producing stable releases as well as periodic updates to those releases. The stable releases will include any changes (such as merging or splitting clades, moving clades, or changes and corrections to domain boundaries) that curators make to the classification.
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and Astral authors
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