data_A1BD4
# 
_chem_comp.id                                    A1BD4 
_chem_comp.name                                  allopurinol 
_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                     2024-10-22 
_chem_comp.pdbx_modified_date                    2024-10-25 
_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                     A1BD4 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   N 
_chem_comp.pdbx_ideal_coordinates_details        Corina 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        9E1F 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
_chem_comp.pdbx_pcm                              ? 
# 
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.pdbx_n_terminal_atom_flag 
_chem_comp_atom.pdbx_backbone_atom_flag 
_chem_comp_atom.pdbx_c_terminal_atom_flag 
_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 
A1BD4 N1 N1 N 0 1 Y N N N N N 174.767 231.319 248.490 2.455  0.455  -0.000 N1 A1BD4 1  
A1BD4 N3 N2 N 0 1 N N N N N N 177.274 227.957 246.891 -2.013 -0.251 -0.002 N3 A1BD4 2  
A1BD4 C4 C1 C 0 1 N N N N N N 177.364 228.817 247.968 -1.178 0.813  0.002  C4 A1BD4 3  
A1BD4 C5 C2 C 0 1 N N N N N N 176.254 227.979 245.997 -1.536 -1.525 -0.002 C5 A1BD4 4  
A1BD4 C1 C3 C 0 1 Y N N N N N 175.897 230.773 248.895 1.409  1.296  -0.003 C1 A1BD4 5  
A1BD4 N2 N3 N 0 1 Y N N N N N 174.391 230.624 247.370 1.999  -0.869 0.002  N2 A1BD4 6  
A1BD4 C2 C4 C 0 1 Y N N N N N 175.282 229.663 247.068 0.687  -0.871 0.000  C2 A1BD4 7  
A1BD4 C3 C5 C 0 1 Y N N N N N 176.282 229.728 248.042 0.264  0.539  0.003  C3 A1BD4 8  
A1BD4 O1 O1 O 0 1 N N N N N N 178.328 228.733 248.739 -1.605 1.953  0.001  O1 A1BD4 9  
A1BD4 N4 N4 N 0 1 N N N N N N 175.242 228.799 246.039 -0.277 -1.831 0.001  N4 A1BD4 10 
A1BD4 H1 H1 H 0 1 N N N N N N 174.283 232.084 248.914 3.387  0.724  -0.003 H1 A1BD4 11 
A1BD4 H2 H2 H 0 1 N N N N N N 178.000 227.281 246.763 -2.972 -0.102 -0.003 H2 A1BD4 12 
A1BD4 H3 H3 H 0 1 N N N N N N 176.283 227.263 245.189 -2.253 -2.333 -0.001 H3 A1BD4 13 
A1BD4 H4 H4 H 0 1 N N N N N N 176.452 231.088 249.766 1.460  2.375  -0.009 H4 A1BD4 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 
A1BD4 C5 N4 DOUB N N 1  
A1BD4 C5 N3 SING N N 2  
A1BD4 N4 C2 SING N N 3  
A1BD4 N3 C4 SING N N 4  
A1BD4 C2 N2 DOUB Y N 5  
A1BD4 C2 C3 SING Y N 6  
A1BD4 N2 N1 SING Y N 7  
A1BD4 C4 C3 SING N N 8  
A1BD4 C4 O1 DOUB N N 9  
A1BD4 C3 C1 DOUB Y N 10 
A1BD4 N1 C1 SING Y N 11 
A1BD4 N1 H1 SING N N 12 
A1BD4 N3 H2 SING N N 13 
A1BD4 C5 H3 SING N N 14 
A1BD4 C1 H4 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 
A1BD4 SMILES           ACDLabs              14.52   "O=C1NC=Nc2n[NH]cc12"                                              
A1BD4 InChI            InChI                1.06    "InChI=1S/C5H4N4O/c10-5-3-1-8-9-4(3)6-2-7-5/h1-2H,(H2,6,7,8,9,10)" 
A1BD4 InChIKey         InChI                1.06    OFCNXPDARWKPPY-UHFFFAOYSA-N                                        
A1BD4 SMILES_CANONICAL CACTVS               3.385   "O=C1NC=Nc2n[nH]cc12"                                              
A1BD4 SMILES           CACTVS               3.385   "O=C1NC=Nc2n[nH]cc12"                                              
A1BD4 SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "c1c2c(n[nH]1)N=CNC2=O"                                            
A1BD4 SMILES           "OpenEye OEToolkits" 3.1.0.0 "c1c2c(n[nH]1)N=CNC2=O"                                            
# 
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 
A1BD4 "SYSTEMATIC NAME" ACDLabs              14.52   "2,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one" 
A1BD4 "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "2,5-dihydropyrazolo[3,4-d]pyrimidin-4-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 
A1BD4 "Create component" 2024-10-22 RCSB 
A1BD4 "Initial release"  2024-10-30 RCSB 
# 
