Table 2.

Statistical potential in the 4-letter code

Bead type	L	N	V	B	Surface
L	−1.479 (0.39)	−0.771 (0.18)	−0.789 (0.16)	−0.303 (0.14)	−0.507 (0.09)
N	−0.771 (0.18)	−0.493 (0.10)	−0.303 (0.07)	0.091 (0.06)	−0.165 (0.04)
V	−0.789 (0.16)	−0.303 (0.07)	−0.193 (0.07)	0.102 (0.05)	0.002 (0.03)
B	−0.303 (0.14)	0.091 (0.06)	0.102 (0.05)	0.517 (0.05)	0.102 (0.02)

All entries are the interaction strength parameter, E_pq, derived from Eq. 7 given the optimal grouping in Table 1. Units are in k_BT. Error bars are estimated by adding/subtracting one standard deviation of the contact number from the neutral distribution.