#PDB cf residue atom     bb_p  bb_s  bb_f  chi_p chi_s  HB-D  HB-I  REF         pred
#---------------------------------------------------------------------------------------------
1a7c s ALA  903 N        0.00 -0.38  0.00  3.52  0.00 -1.26 -5.74  121.76      117.91
1a7c s ALA  903 Ca       0.00 -0.05  0.00  0.00  0.00  0.00  0.00   51.96       51.91
1a7c s ALA  903 Cb       0.00  0.09  0.00  0.00  0.00  0.00  0.00   23.12       23.21
1a7c s ALA  903 CO       0.00 -0.21  0.00  0.43  0.00  0.00  0.00  175.76      175.98