(Contact pairs: residue labeled with 1-based indexing)
Native contact subset "$\beta$1-$\beta$2":
2 K - 19 K
2 K - 20 N
3 V - 18 I
3 V - 19 K
3 V - 20 N
4 I - 17 E
4 I - 18 I
5 F - 17 E
5 F - 18 I
Native contact subset "$\beta$1-$\beta$3":
2 K - 38 E
3 V - 36 A
3 V - 37 I
3 V - 38 E
4 I - 36 A
4 I - 37 I
4 I - 38 E
5 F - 36 A
6 L - 36 A
Native contact subset "hairpin":
7 K - 14 K
7 K - 15 K
8 D - 13 G
8 D - 14 K
8 D - 15 K
9 V - 12 K
9 V - 13 G
9 V - 14 K
10 K - 13 G
Native contact subset "helix":
23 D - 26 A
23 D - 27 N
24 G - 27 N
24 G - 28 N
25 Y - 28 N
25 Y - 29 F
26 A - 29 F
26 A - 30 L
26 A - 31 F
27 N - 30 L
27 N - 31 F
28 N - 32 K
29 F - 32 K