#An alternative ASP database classifies atoms by element and uses solvation model 
#of Wesson and Eisenberg [5]: 
# Key   ID Radius  ASP   Type            Comment
HYDROG  BB  0.00  0.000  H_B_B   # amid/ne H   (backbone)
CARBON  BB  2.00  0.012  C_A_B   # aliphatic C (backbone) 
CARBON  BB  1.50  0.012  C_B_B   # carbon C    (backbone)
NITROG  BB  1.50 -0.116  N_B_B   # amide -NH-  (backbone)
OXYGEN  BB  1.40 -0.116  O_B_B   # carboxyl O  (backbone)
HYDROG  SC  0.00  0.000  H_ALI   # aliphatic H
HYDROG  SC  0.00  0.000  H_ARO   # aromatic H
HYDROG  SC  0.00  0.000  H_AMI   # amid/ne H
HYDROG  SC  0.00  0.000  H_SUL   # sulfur H
HYDROG  SC  0.00  0.000  H_OXY   # hydroxyl H
CARBON  SC  2.00  0.012  C_ALI   # aliphatic -CH2, -CH3
CARBON  SC  1.50  0.012  C_BYL   # carbon/xyl C
CARBON  SC  1.85  0.012  C_ARO   # aromatic =CH-, =CC-, =CN- or =CO-
NITROG  SC  1.50 -0.116  N_AMI   # amide -NH- -NH2
NITROG  SC  1.50 -0.186  N_AMO   # amine -NH3
OXYGEN  SC  1.40 -0.116  O_BYL   # carbonyl O
OXYGEN  SC  1.40 -0.175  O_BYX   # carboxyl O
OXYGEN  SC  1.40 -0.116  O_HYD   # hydroxyl O
SULFUR  SC  1.85 -0.018  S_OXY   # sulfur and thiol S of S-S bridge
SULFUR  SC  1.85 -0.018  S_RED   # sulfur and thiol SH or S-CH3
UNKNOW  SC  0.00  0.000  PSEUD   # pseudo atoms in NMR structures
UNKNOW  SC  0.00  0.000  UNKN_   # unknown atom type; do not change!

#Atomic solvation parameters are in kcal/mol/angstrom2. 
#Wesson, L; Eisenberg, D. (1992) Protein Sci., 1, 227.