PDB identification code: Difference between revisions
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==Limited Number of PDB Codes== | ==Limited Number of PDB Codes== | ||
There are over 419,904 possible 4-character PDB identification codes. This could be increased to 466,560 if "0" is allowed as the first character, but so far there are no plans to do this<ref>In April, 2013. according to Rachel Kramer Green of the RCSB in Rutgers, NJ, there are no plans to use PDB codes beginning with 0.</ref>, Thus, the ~ | There are over 419,904 possible 4-character PDB identification codes. This could be increased to 466,560 if "0" is allowed as the first character, but so far there are no plans to do this<ref>In April, 2013. according to Rachel Kramer Green of the RCSB in Rutgers, NJ, there are no plans to use PDB codes beginning with 0.</ref>, Thus, the ~90,000 entries in early 2013 have used up ~21% of the available codes. Someday a scheme that can accomodate more entries will be required, requiring revision of macromolecular visualization and modeling software programs that obtain data online, all of which, of necessity, currently require 4-character PDB codes. | ||
==See Also== | ==See Also== | ||