# data_comp_list loop_ _chem_comp.id _chem_comp.three_letter_code _chem_comp.name _chem_comp.group _chem_comp.number_atoms_all _chem_comp.number_atoms_nh _chem_comp.desc_level PUR PUR 'PURINE RIBOSIDE ' non-polymer 31 18 M # data_comp_PUR # loop_ _chem_comp_atom.comp_id _chem_comp_atom.atom_id _chem_comp_atom.type_symbol _chem_comp_atom.type_energy _chem_comp_atom.partial_charge PUR N1 N . 0.000 PUR C2 C . 0.000 PUR N3 N . 0.000 PUR C4 C . 0.000 PUR C5 C . 0.000 PUR C6 C . 0.000 PUR N7 N . 1.000 PUR C8 C . 0.000 PUR N9 N . 0.000 PUR C1* C . 0.000 PUR C2* C . 0.000 PUR O2* O . 0.000 PUR C3* C . 0.000 PUR O3* O . 0.000 PUR C4* C . 0.000 PUR O4* O . 0.000 PUR C5* C . 0.000 PUR O5* O . 0.000 PUR H2 H . 0.000 PUR H6 H . 0.000 PUR HN7 H . 0.000 PUR H8 H . 0.000 PUR H1* H . 0.000 PUR H2* H . 0.000 PUR HO2* H . 0.000 PUR H3* H . 0.000 PUR HO3* H . 0.000 PUR H4* H . 0.000 PUR H5*1 H . 0.000 PUR H5*2 H . 0.000 PUR HO5* H . 0.000 loop_ _chem_comp_bond.comp_id _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _chem_comp_bond.type PUR N1 C2 single PUR N1 C6 double PUR C2 N3 double PUR C2 H2 single PUR N3 C4 single PUR C4 C5 double PUR C4 N9 single PUR C5 C6 single PUR C5 N7 single PUR C6 H6 single PUR N7 C8 double PUR N7 HN7 single PUR C8 N9 single PUR C8 H8 single PUR N9 C1* single PUR C1* C2* single PUR C1* O4* single PUR C1* H1* single PUR C2* C3* single PUR C2* O2* single PUR C2* H2* single PUR O2* HO2* single PUR C3* C4* single PUR C3* O3* single PUR C3* H3* single PUR O3* HO3* single PUR C4* C5* single PUR C4* O4* single PUR C4* H4* single PUR C5* O5* single PUR C5* H5*1 single PUR C5* H5*2 single PUR O5* HO5* single