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Table 1 A list of each feature contained within our surface descriptor

From: Local functional descriptors for surface comparison based binding prediction

Feature #

Name

Description

1

% Visibility

Percentage of outside world visible from point

2

Non-Polar Backbone

Distance to the nearest Non-Polar Backbone Atom

3

Arom. Sidechain

Distance to the nearest Aromatic Sidechain Atom

4

Aliph. Sidechain

Distance to the nearest Aliphatic Sidechain Atom

5

N Backbone

Distance to the nearest Nitrogen Backbone Atom

6

O Backbone

Distance to the nearest Oxygen Backbone Atom

7

S Backbone

Distance to the nearest Sulpher Sidechain Atom

8

Amide N Sidechain

Distance to the nearest Amide Nitrogen Sidechain Atom

9

Amide O Sidechain

Distance to the nearest Amide Oxygen Sidechain Atom

10

Trp Sidechain

Distance to the nearest Trypophan Sidechain Atom

11

Hydroxyl Sidechain

Distance to the nearest Hydroxyl Sidechain Atom

12

Charged O Sidechain

Distance to the nearest Charged Oxygen Sidechain Atom

13

Charged N Sidechain

Distance to the nearest Charged Nitrogen Sidechain Atom

14

Anisotropy (1.6 Ã…)

Patch anisotropy, with radius: 1.6 Ã…

15

Anisotropy (3.2 Ã…)

Patch anisotropy, with radius: 3.2 Ã…

16

Anisotropy (4.8 Ã…)

Patch anisotropy, with radius: 4.8 Ã…

17

Anisotropy (6.4 Ã…)

Patch anisotropy, with radius: 6.4 Ã…

18

Anisotropy (8 Ã…)

Patch anisotropy, with radius: 8 Ã…

19

Curvature (1.6 Ã…)

Patch curvature, with radius: 1.6 Ã…

20

Curvature (3.2 Ã…)

Patch curvature, with radius: 3.2 Ã…

21

Curvature (4.8 Ã…)

Patch curvature, with radius: 4.8 Ã…

22

Curvature (6.4 Ã…)

Patch curvature, with radius: 6.4 Ã…

23

Curvature (8 Ã…)

Patch curvature, with radius: 8 Ã…

24

Curvature Var. (1.6 Ã…)

Variance of curvature within patch of radius: 1.6 Ã…

25

Curvature Var. (3.2 Ã…)

Variance of curvature within patch of radius: 3.2 Ã…

26

Curvature Var. (4.8 Ã…)

Variance of curvature within patch of radius: 4.8 Ã…

27

Curvature Var. (6.4 Ã…)

Variance of curvature within patch of radius: 6.4 Ã…

28

Curvature Var. (8 Ã…)

Variance of curvature within patch of radius: 8 Ã…

29

Hydropathy (1.6 Ã…)

Weighted avg. hydropathy over patch of radius: 1.6 Ã…

30

Hydropathy (3.2 Ã…)

Weighted avg. hydropathy over patch of radius: 3.2 Ã…

31

Hydropathy (4.8 Ã…)

Weighted avg. hydropathy over patch of radius: 4.8 Ã…

32

Hydropathy (6.4 Ã…)

Weighted avg. hydropathy over patch of radius: 6.4 Ã…

33

Hydropathy (8 Ã…)

Weighted avg. hydropathy over patch of radius: 8 Ã…

34

Charge (1.6 Ã…)

Weighted avg. charge over patch of radius: 1.6 Ã…

35

Charge (3.2 Ã…)

Weighted avg. charge over patch of radius: 3.2 Ã…

36

Charge (4.8 Ã…)

Weighted avg. charge over patch of radius: 4.8 Ã…

37

Charge (6.4 Ã…)

Weighted avg. charge over patch of radius: 6.4 Ã…

38

Charge (8 Ã…)

Weighted avg. charge over patch of radius: 8 Ã…

39

Hyd. Bond Donor

Distance to nearest potential external hydrogen bond donor

40

Hyd. Bond Acceptor

Distance to nearest potential external hydrogen bond acceptor

  1. Note that features 14 - 38 are weighted according to distance (from center vertex) and point area (i.e. the sum of the areas of all adjacent triangles).