Table 2

Classification of sidechain angles, χi
Residue
 χ1
 χ2
 χ3
 χ4
Ser, Cys, Thr, Val
 I


Ile, Leu
 I
 I

Asp, Asn
 I
 IV

His, Phe, Tyr, Trp
 I
 III

Met
 I
 I
 II
Glu, Gln
 I
 I
 IV
Lys
 I
 I
 I
 I
Arg
 I
 I
 I
 III

The parameters of the torsion angle potential are (, ni) = (0.6 eu, 3) for class I, (, ni) = (0.3 eu, 3) for class II, (, ni) = (0.4 eu, 2) for class III, and (, ni) = (-0.4 eu, 2) for class IV.

Irbäck et al. PMC Biophysics 2009 2:2   doi:10.1186/1757-5036-2-2

Open Data