# 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 H4B H4B '5,6,7,8-TETRAHYDROBIOPTERIN ' non-polymer 32 17 M # data_comp_H4B # 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 H4B N1 N . 0.000 H4B C2 C . 0.000 H4B N2 N . 0.000 H4B N3 N . 0.000 H4B C4 C . 0.000 H4B O4 O . 0.000 H4B C4A C . 0.000 H4B C8A C . 0.000 H4B N5 N . 0.000 H4B N8 N . 0.000 H4B C6 C . 0.000 H4B C7 C . 0.000 H4B C9 C . 0.000 H4B O9 O . 0.000 H4B C10 C . 0.000 H4B C11 C . 0.000 H4B O10 O . 0.000 H4B HN21 H . 0.000 H4B HN22 H . 0.000 H4B HN3 H . 0.000 H4B HN5 H . 0.000 H4B HN8 H . 0.000 H4B H6 H . 0.000 H4B H71 H . 0.000 H4B H72 H . 0.000 H4B H9 H . 0.000 H4B HO9 H . 0.000 H4B H10 H . 0.000 H4B H111 H . 0.000 H4B H112 H . 0.000 H4B H113 H . 0.000 H4B HO0 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 H4B N1 C2 double H4B N1 C8A single H4B C2 N2 single H4B C2 N3 single H4B N2 HN21 single H4B N2 HN22 single H4B N3 C4 single H4B N3 HN3 single H4B C4 O4 double H4B C4 C4A single H4B C4A C8A double H4B C4A N5 single H4B C8A N8 single H4B N5 C6 single H4B N5 HN5 single H4B N8 C7 single H4B N8 HN8 single H4B C6 C7 single H4B C6 C9 single H4B C6 H6 single H4B C7 H71 single H4B C7 H72 single H4B C9 O9 single H4B C9 C10 single H4B C9 H9 single H4B O9 HO9 single H4B C10 C11 single H4B C10 O10 single H4B C10 H10 single H4B C11 H111 single H4B C11 H112 single H4B C11 H113 single H4B O10 HO0 single