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Table 3 Performance of 3-D neighboring.

From: PubChem3D: Similar conformers

 

Diverse Conformer Count

 

1

3

5

7

10

Total Conformer Pairs (billions)

110

866

2,200

4,010

7,510

CT Feature Filter

65.7%

65.2%

65.0%

64.9%

64.7%

CT Volume Filter

0.2%

0.2%

0.2%

0.2%

0.2%

ST Volume Filter

2.9%

2.7%

2.6%

2.5%

2.3%

Alignment Recycling Fingerprint

4.4%

4.5%

4.5%

4.6%

4.7%

Alignment Recycling Overlap

26.5%

27.2%

27.5%

27.7%

27.9%

Insufficient ST (billions)

0.2

1.3

2.9

5.0

8.5

Insufficient CT (billions)

0.1

0.6

1.4

2.1

3.4

Neighbor Count (millions)

1.8

6.1

10.7

15.5

22.3

Compound Pairs per second

155,871

18,632

7,829

4,301

2,261

Conformer Pairs per second

155,871

146,318

156,241

156,618

153,959

Total Search Time (days)

8.2

68.5

163.1

296.9

564.9

Filtering Time

0.9%

0.8%

0.8%

0.7%

0.7%

Alignment Recycling Time

82.6%

86.0%

86.8%

86.8%

86.7%

Superposition Optimization Time

10.4%

10.0%

9.9%

10.2%

10.7%

Other Overhead Time

6.1%

3.2%

2.5%

2.3%

1.9%

Input data size (GB)

19

50

83

114

159

  1. Performance of 3-D neighboring as a function of diverse conformer count for the 4,218 chemical structures (Query) with known biological function when neighbored against the entire "live" PubChem3D contents (Search) of 26,157,365 small molecules.