data_HLD
# 
_chem_comp.id                                    HLD 
_chem_comp.name                                  "4-oxo-4H-pyran-2,6-dicarboxylic acid" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C7 H4 O6" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2012-03-05 
_chem_comp.pdbx_modified_date                    2013-01-11 
_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                        184.103 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     HLD 
_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        3VP6 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  PDBJ 
# 
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 
HLD OAC OAC O 0 1 N N N -11.766 0.435 24.500 -0.000 -3.319 0.151  OAC HLD 1  
HLD CAM CAM C 0 1 N N N -12.021 1.606 24.801 -0.000 -2.107 0.014  CAM HLD 2  
HLD CAF CAF C 0 1 N N N -13.281 2.165 24.395 -1.249 -1.334 -0.071 CAF HLD 3  
HLD CAK CAK C 0 1 N N N -13.562 3.523 24.762 -1.166 0.017  0.056  CAK HLD 4  
HLD CAI CAI C 0 1 N N N -14.825 4.276 24.435 -2.402 0.826  -0.044 CAI HLD 5  
HLD OAD OAD O 0 1 N N N -15.698 3.742 23.815 -3.470 0.282  -0.235 OAD HLD 6  
HLD OAA OAA O 0 1 N N N -15.001 5.451 24.792 -2.341 2.167  0.079  OAA HLD 7  
HLD CAG CAG C 0 1 N N N -11.038 2.360 25.543 1.249  -1.334 -0.071 CAG HLD 8  
HLD CAL CAL C 0 1 N N N -11.351 3.722 25.896 1.165  0.017  0.056  CAL HLD 9  
HLD OAH OAH O 0 1 N N N -12.610 4.243 25.483 0.001  0.636  0.268  OAH HLD 10 
HLD CAJ CAJ C 0 1 N N N -10.435 4.616 26.668 2.402  0.826  -0.044 CAJ HLD 11 
HLD OAE OAE O 0 1 N N N -9.313  4.264 27.080 2.341  2.166  0.079  OAE HLD 12 
HLD OAB OAB O 0 1 N N N -10.825 5.763 26.904 3.470  0.282  -0.236 OAB HLD 13 
HLD H1  H1  H 0 1 N N N -13.994 1.581 23.831 -2.199 -1.823 -0.228 H1  HLD 14 
HLD H2  H2  H 0 1 N N N -15.853 5.749 24.495 -3.174 2.652  0.007  H2  HLD 15 
HLD H3  H3  H 0 1 N N N -10.095 1.916 25.825 2.199  -1.823 -0.228 H3  HLD 16 
HLD H4  H4  H 0 1 N N N -8.905  4.985 27.544 3.174  2.652  0.007  H4  HLD 17 
# 
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 
HLD OAD CAI DOUB N N 1  
HLD CAF CAK DOUB N N 2  
HLD CAF CAM SING N N 3  
HLD CAI CAK SING N N 4  
HLD CAI OAA SING N N 5  
HLD OAC CAM DOUB N N 6  
HLD CAK OAH SING N N 7  
HLD CAM CAG SING N N 8  
HLD OAH CAL SING N N 9  
HLD CAG CAL DOUB N N 10 
HLD CAL CAJ SING N N 11 
HLD CAJ OAB DOUB N N 12 
HLD CAJ OAE SING N N 13 
HLD CAF H1  SING N N 14 
HLD OAA H2  SING N N 15 
HLD CAG H3  SING N N 16 
HLD OAE H4  SING N N 17 
# 
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 
HLD SMILES           ACDLabs              12.01 "O=C1C=C(OC(C(=O)O)=C1)C(=O)O"                                             
HLD InChI            InChI                1.03  "InChI=1S/C7H4O6/c8-3-1-4(6(9)10)13-5(2-3)7(11)12/h1-2H,(H,9,10)(H,11,12)" 
HLD InChIKey         InChI                1.03  PBAYDYUZOSNJGU-UHFFFAOYSA-N                                                
HLD SMILES_CANONICAL CACTVS               3.370 "OC(=O)C1=CC(=O)C=C(O1)C(O)=O"                                             
HLD SMILES           CACTVS               3.370 "OC(=O)C1=CC(=O)C=C(O1)C(O)=O"                                             
HLD SMILES_CANONICAL "OpenEye OEToolkits" 1.7.6 "C1=C(OC(=CC1=O)C(=O)O)C(=O)O"                                             
HLD SMILES           "OpenEye OEToolkits" 1.7.6 "C1=C(OC(=CC1=O)C(=O)O)C(=O)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 
HLD "SYSTEMATIC NAME" ACDLabs              12.01 "4-oxo-4H-pyran-2,6-dicarboxylic acid"       
HLD "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.6 "4-oxidanylidenepyran-2,6-dicarboxylic acid" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
HLD "Create component" 2012-03-05 PDBJ 
HLD "Initial release"  2013-01-11 RCSB 
# 
