data_HPA # _chem_comp.id HPA _chem_comp.name HYPOXANTHINE _chem_comp.type NON-POLYMER _chem_comp.pdbx_type HETAIN _chem_comp.formula "C5 H4 N4 O" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 1999-07-08 _chem_comp.pdbx_modified_date 2011-06-04 _chem_comp.pdbx_ambiguous_flag N _chem_comp.pdbx_release_status REL _chem_comp.pdbx_replaced_by ? _chem_comp.pdbx_replaces ? _chem_comp.formula_weight 136.111 _chem_comp.one_letter_code ? _chem_comp.three_letter_code HPA _chem_comp.pdbx_model_coordinates_details ? _chem_comp.pdbx_model_coordinates_missing_flag N _chem_comp.pdbx_ideal_coordinates_details ? _chem_comp.pdbx_ideal_coordinates_missing_flag N _chem_comp.pdbx_model_coordinates_db_code 1A9T _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site RCSB # loop_ _chem_comp_atom.comp_id _chem_comp_atom.atom_id _chem_comp_atom.alt_atom_id _chem_comp_atom.type_symbol _chem_comp_atom.charge _chem_comp_atom.pdbx_align _chem_comp_atom.pdbx_aromatic_flag _chem_comp_atom.pdbx_leaving_atom_flag _chem_comp_atom.pdbx_stereo_config _chem_comp_atom.model_Cartn_x _chem_comp_atom.model_Cartn_y _chem_comp_atom.model_Cartn_z _chem_comp_atom.pdbx_model_Cartn_x_ideal _chem_comp_atom.pdbx_model_Cartn_y_ideal _chem_comp_atom.pdbx_model_Cartn_z_ideal _chem_comp_atom.pdbx_component_atom_id _chem_comp_atom.pdbx_component_comp_id _chem_comp_atom.pdbx_ordinal HPA N1 N1 N 0 1 Y N N 26.078 89.932 73.254 0.203 0.000 1.999 N1 HPA 1 HPA C2 C2 C 0 1 Y N N 25.067 89.042 73.005 1.492 0.000 1.574 C2 HPA 2 HPA N3 N3 N 0 1 Y N N 23.780 89.402 73.068 1.807 0.000 0.311 N3 HPA 3 HPA C4 C4 C 0 1 Y N N 23.609 90.739 73.400 0.855 0.000 -0.644 C4 HPA 4 HPA C5 C5 C 0 1 Y N N 24.582 91.671 73.657 -0.489 -0.005 -0.266 C5 HPA 5 HPA C6 C6 C 0 1 Y N N 25.936 91.296 73.593 -0.810 0.000 1.104 C6 HPA 6 HPA O6 O6 O 0 1 N N N 26.919 92.035 73.788 -1.972 0.001 1.475 O6 HPA 7 HPA N7 N7 N 0 1 Y N N 24.023 92.876 73.957 -1.219 0.000 -1.435 N7 HPA 8 HPA C8 C8 C 0 1 Y N N 22.672 92.685 73.878 -0.335 0.000 -2.455 C8 HPA 9 HPA N9 N9 N 0 1 Y N N 22.380 91.387 73.534 0.884 0.000 -1.987 N9 HPA 10 HPA HN1 HN1 H 0 1 N N N 27.018 89.545 73.180 0.008 0.000 2.949 HN1 HPA 11 HPA H2 H2 H 0 1 N N N 25.298 87.995 72.743 2.284 0.000 2.308 H2 HPA 12 HPA HN7 HN7 H 0 1 N N N 24.512 93.739 74.191 -2.186 0.000 -1.511 HN7 HPA 13 HPA H8 H8 H 0 1 N N N 21.920 93.470 74.066 -0.597 0.001 -3.502 H8 HPA 14 # loop_ _chem_comp_bond.comp_id _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _chem_comp_bond.value_order _chem_comp_bond.pdbx_aromatic_flag _chem_comp_bond.pdbx_stereo_config _chem_comp_bond.pdbx_ordinal HPA N1 C2 SING Y N 1 HPA N1 C6 SING Y N 2 HPA N1 HN1 SING N N 3 HPA C2 N3 DOUB Y N 4 HPA C2 H2 SING N N 5 HPA N3 C4 SING Y N 6 HPA C4 C5 DOUB Y N 7 HPA C4 N9 SING Y N 8 HPA C5 C6 SING Y N 9 HPA C5 N7 SING Y N 10 HPA C6 O6 DOUB N N 11 HPA N7 C8 SING Y N 12 HPA N7 HN7 SING N N 13 HPA C8 N9 DOUB Y N 14 HPA C8 H8 SING N N 15 # loop_ _pdbx_chem_comp_descriptor.comp_id _pdbx_chem_comp_descriptor.type _pdbx_chem_comp_descriptor.program _pdbx_chem_comp_descriptor.program_version _pdbx_chem_comp_descriptor.descriptor HPA SMILES ACDLabs 10.04 "O=C1c2c(N=CN1)ncn2" HPA SMILES_CANONICAL CACTVS 3.341 "O=C1NC=Nc2nc[nH]c12" HPA SMILES CACTVS 3.341 "O=C1NC=Nc2nc[nH]c12" HPA SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "c1[nH]c2c(n1)N=CNC2=O" HPA SMILES "OpenEye OEToolkits" 1.5.0 "c1[nH]c2c(n1)N=CNC2=O" HPA InChI InChI 1.03 "InChI=1S/C5H4N4O/c10-5-3-4(7-1-6-3)8-2-9-5/h1-2H,(H2,6,7,8,9,10)" HPA InChIKey InChI 1.03 FDGQSTZJBFJUBT-UHFFFAOYSA-N # loop_ _pdbx_chem_comp_identifier.comp_id _pdbx_chem_comp_identifier.type _pdbx_chem_comp_identifier.program _pdbx_chem_comp_identifier.program_version _pdbx_chem_comp_identifier.identifier HPA "SYSTEMATIC NAME" ACDLabs 10.04 1,7-dihydro-6H-purin-6-one HPA "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 1,7-dihydropurin-6-one # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site HPA "Create component" 1999-07-08 RCSB HPA "Modify descriptor" 2011-06-04 RCSB #