PDB Statistics: Growth in Number of UniProtKB Entries with Known 3D Structure (Cumulative)

This chart shows the annual and cumulative numbers of unique UniProtKB entries in released PDB structures. The yearly bars (dark blue) tell how many new UniProtKB entries were added in a certain year.

Note: The total number of unique UniProtKB entries in the statistics table is linked to the group search result page. There is a default precision threshold in calculating the numbers for performance balance. So the statistics count may have a slight discrepancy compared to the actual non-redundant group search result when the result count approaches or goes above 10,000. The group search result page provides an accurate count. The statistics page provides the trend.

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YearNumber of New UniProtKB EntriesTotal Number of UniProtKB Entries
19761313
19771023
1978225
1979530
1980535
1981944
19821963
19831073
19841285
19851196
19868104
198711115
198830145
198942187
199066253
199170323
199280403
1993254657
19945481,205
19953671,572
19964372,009
19976422,651
19987993,450
19999924,442
200011165,558
200112306,788
200212368,024
200317139,737
2004231512,052
2005249814,550
2006290617,456
2007319320,649
2008300823,657
2009303026,687
2010310229,789
2011281932,608
2012309235,700
2013324138,941
2014398942,930
2015335546,285
2016397850,263
2017416154,424
2018394658,370
2019408362,453
2020510567,558
2021437971,937
2022540277,339
2023538182,720
2024534188,061
2025594594,006
2026190495,910