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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= "Number of Entities";
Molecular Weight (Daltons)Number of Entries
< 1K3400
1K - 5K23805
5K - 9K19531
9K - 13K27272
13K - 17K31635
17K - 21K20478
21K - 25K26163
25K - 29K21134
29K - 33K16006
33K - 37K15592
37K - 41K12538
41K - 45K9820
45K - 49K7320
49K - 53K6254
53K - 57K4603
57K - 61K3769
61K - 65K2838
65K - 69K1963
69K - 73K1429
> 73K11422