def __find_dihedrals(self, restyp, dihedral_type, min_selected):
if min_selected <= 0:
raise ValueError("min_selected must be at least 1")
mdl = self.get_model()
if mdl is None or len(self) == 0:
raise ValueError("Selection contains no atoms")
from modeller import model_topology
return model_topology.FindDihedrals(mdl, restyp, dihedral_type,
self.__check_selected,
min_selected)
def find_chi4_dihedrals(self, residue_type):
return model_topology.FindDihedrals(self, residue_type, 8)