PDB Data Distribution by Molecular Weight (Entity)

Molecular weight is calculated for each chemically distinct component of a PDB structure, e.g., polymers, non-polymers, nucleic acids.

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Molecular Weight (Daltons)Number of Entries
< 1K3547
1K - 5K24578
5K - 9K20280
9K - 13K28445
13K - 17K33007
17K - 21K21261
21K - 25K27151
25K - 29K21840
29K - 33K16557
33K - 37K16169
37K - 41K13036
41K - 45K10176
45K - 49K7612
49K - 53K6628
53K - 57K4854
57K - 61K3976
61K - 65K2987
65K - 69K2093
69K - 73K1551
> 73K12308