(Contact pairs: residue labeled with 1-based indexing)
Native contact subset "intra-alpha-helix":
2 A - 5 Q
2 A - 6 W
3 Y - 6 W
3 Y - 7 L
4 A - 7 L
4 A - 8 K
5 Q - 8 K
5 Q - 9 D
6 W - 9 D
Native contact subset "intra-3$_{10}$-helix":
10 G - 13 S
10 G - 14 S
11 G - 14 S
12 P - 15 G
Native contact subset "inter-helices":
6 W - 11 G
7 L - 11 G
9 D - 14 S
Native contact subset "trp-cage":
3 Y - 19 P