Table 2.

MAE for ϕ, ψ, and RSA for residue types and secondary-structure elements based on ten-fold cross validation with Experiment IV

	ϕ(°)		ψ(°)		RSA		SA
AA type	Noa	Yesb	Noa	Yesb	Noa	Yesb	Maxc
R	20.9	20.7	35.1	34.3	0.141	0.139	271
K	20.9	20.4	36.2	35.4	0.125	0.122	257
D	25.2	24.7	40.5	39.8	0.148	0.145	183
E	18.6	18.3	33.8	33.0	0.108	0.105	286
N	33.1	32.1	40.4	39.8	0.150	0.147	188
Q	20.0	19.7	34.1	33.4	0.145	0.141	215
H	26.7	26.4	39.9	39.3	0.126	0.124	238
Y	21.8	21.4	34.9	34.3	0.119	0.118	250
W	20.7	20.6	35.6	35.3	0.113	0.112	260
S	24.7	24.3	44.8	43.9	0.114	0.111	181
T	20.0	19.7	42.2	41.1	0.114	0.111	192
G	61.6	61.0	58.2	56.4	0.110	0.108	136
P	11.0	9.7	49.6	46.8	0.148	0.145	170
A	18.5	18.2	33.2	32.4	0.090	0.087	169
M	19.6	19.5	32.2	31.7	0.102	0.101	236
C	23.5	23.1	37.5	36.9	0.083	0.085	139
F	21.3	20.9	34.5	34.1	0.105	0.104	221
L	15.7	15.4	30.2	29.6	0.088	0.088	221
V	16.5	16.3	29.5	28.9	0.095	0.096	171
I	15.3	15.1	27.7	27.1	0.085	0.083	210
Helix	10.5	10.2	20.4	20.2	0.108	0.105
Strand	25.7	25.3	32.5	31.6	0.089	0.087
Coil	34.0	33.5	57.6	56.1	0.139	0.137

^aNo guided weights.

^bGuided weights are used.

^cMaximum solvent accessible surface area from database (Ų).