PDB Statistics: PDB Data Distribution by Atom Count

PDB Statistics: PDB Data Distribution by Atom Count

Distribution of released structures by the number of observed atoms excluding atoms in water molecules.

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Atom Count Range	Number of Entries
< 1000	18,292
1000 - 2000	30,130
2000 - 3000	34,576
3000 - 4000	26,199
4000 - 5000	18,029
5000 - 6000	12,586
6000 - 7000	10,824
7000 - 8000	8,444
8000 - 9000	6,487
9000 - 10000	4,842
10000 - 11000	4,150
11000 - 12000	3,534
12000 - 13000	2,927
13000 - 14000	2,413
14000 - 15000	1,988
15000 - 16000	1,698
16000 - 17000	1,475
17000 - 18000	1,271
18000 - 19000	1,069
>= 19000	14,199

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