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Table 2 Rigidity results for 3SAQ - the number of each type of rigid cluster is listed for the asymmetric and biological units (AU = Asymmetric Unit, BU = Biological Unit).

From: Rigidity analysis of protein biological assemblies and periodic crystal structures

Size AU BU1a BU1 BU2a BU2
3 321 303 911 140 434
4 77 45 132 40 117
5 1462 905 2715 696 2117
6 179 187 561 66 217
7 1 4 12 1 4
11 16 12 36 8 25
12 45 31 93 19 56
13 2 1 3 1 3
15 2 3 9 0 0
16 2 1 3 1 3
19 7 8 24 2 7
22 1 2 6 0 0
25 1 2 6 0 0
33 1 1 3 0 1
38 1 1 0 0 0
42 0 0 3 0 0
48 1 1 3 0 0
71 1 1 3 0 0
98 2 1 3 1 3
104 1 2 6 0 1
2277 0 1 3 0 0
3912 0 0 0 0 1
4562 0 0 0 1 0
7883 1 0 0 0 0
9475 0 0 0 0 1
  1. Column 2 is the result from analyzing the asymmetric unit, which contains one copy of A and B each, and columns 3 and 5 are the results from generating only one-third of the biological units listed in columns 4 (three copies of chain A) and 6 (three copies of chain B) respectively.