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
19761010
19771121
1978324
1979428
1980533
19811043
19821558
1983866
19841076
1985884
19861094
198710104
198819123
198943166
199050216
199152268
199263331
1993221552
19944731,025
19953741,399
19963901,789
19975652,354
19987423,096
19999154,011
200010045,015
200110886,103
200211997,302
200315888,890
2004211911,009
2005238213,391
2006273216,123
2007299519,118
2008285721,975
2009293124,906
2010300727,913
2011278130,694
2012289233,586
2013312136,707
2014392340,630
2015332943,959
2016380347,762
2017407451,836
2018386155,697
2019405759,754
2020497964,733
2021433669,069
2022533574,404
2023520879,612
2024180981,421