data_PRE
# 
_chem_comp.id                                    PRE 
_chem_comp.name                                  "PREPHENIC ACID" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C10 H10 O6" 
_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                    2025-09-09 
_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                        226.183 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     PRE 
_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        1COM 
_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 
PRE C1     C1     C 0 1 N N N N N N 104.347 23.159 44.870 -0.501 -0.099 -0.412 C1     PRE 1  
PRE C2     C2     C 0 1 N N N N N N 103.593 21.870 45.097 -1.500 -0.562 -1.429 C2     PRE 2  
PRE C3     C3     C 0 1 N N N N N N 102.252 21.813 45.269 -2.675 -1.012 -1.108 C3     PRE 3  
PRE C4     C4     C 0 1 N N N N N N 101.387 23.022 45.081 -3.147 -1.111 0.311  C4     PRE 4  
PRE O4     O4     O 0 1 N N N N N N 100.213 22.585 44.467 -4.009 -0.007 0.597  O4     PRE 5  
PRE C5     C5     C 0 1 N N N N N N 102.081 24.047 44.206 -1.994 -1.095 1.269  C5     PRE 6  
PRE C6     C6     C 0 1 N N N N N N 103.433 24.077 44.074 -0.818 -0.645 0.947  C6     PRE 7  
PRE C7     C7     C 0 1 N N N N N N 105.712 22.884 44.189 -0.516 1.407  -0.356 C7     PRE 8  
PRE O71    O71    O 0 1 N N N N N N 106.074 23.623 43.273 0.488  2.031  -0.606 O71    PRE 9  
PRE O72    O72    O 0 1 N N N N N N 106.427 21.936 44.560 -1.645 2.055  -0.027 O72    PRE 10 
PRE C8     C8     C 0 1 N N N N N N 104.872 23.785 46.170 0.894  -0.570 -0.829 C8     PRE 11 
PRE "C1'"  "C1'"  C 0 1 N N N N N N 103.841 24.204 47.211 1.905  -0.108 0.189  "C1'"  PRE 12 
PRE "O1'"  "O1'"  O 0 1 N N N N N N 103.388 23.388 47.969 1.546  0.532  1.148  "O1'"  PRE 13 
PRE "C2'"  "C2'"  C 0 1 N N N N N N 103.312 25.630 47.135 3.347  -0.441 0.011  "C2'"  PRE 14 
PRE "O'L"  "O2'1" O 0 1 N N N N N N 102.206 25.871 47.603 3.707  -1.083 -0.952 "O'L"  PRE 15 
PRE "O'M"  "O2'2" O 0 1 N N N N N N 103.999 26.512 46.612 4.250  -0.028 0.920  "O'M"  PRE 16 
PRE H2     H2     H 0 1 N N N N N N 104.153 20.947 45.123 -1.231 -0.520 -2.474 H2     PRE 17 
PRE H3     H3     H 0 1 N N N N N N 101.795 20.875 45.548 -3.341 -1.327 -1.897 H3     PRE 18 
PRE H4     H4     H 0 1 N N N N N N 101.172 23.472 46.061 -3.703 -2.040 0.439  H4     PRE 19 
PRE HO4    HO4    H 0 1 N N N N N N 99.633  23.325 44.329 -4.355 -0.002 1.500  HO4    PRE 20 
PRE H5     H5     H 0 1 N N N N N N 101.485 24.773 43.673 -2.147 -1.472 2.269  H5     PRE 21 
PRE H6     H6     H 0 1 N N N N N N 103.874 24.777 43.380 -0.036 -0.665 1.692  H6     PRE 22 
PRE HO72   HO72   H 0 0 N N N N N N 107.221 21.914 44.038 -1.606 3.021  -0.004 HO72   PRE 23 
PRE H81    H81    H 0 1 N N N N N N 105.540 23.051 46.644 0.908  -1.658 -0.886 H81    PRE 24 
PRE H82    H82    H 0 1 N N N N N N 105.448 24.681 45.896 1.143  -0.151 -1.804 H82    PRE 25 
PRE "HO2'" "HO2'" H 0 0 N N N N N N 103.533 27.339 46.646 5.173  -0.268 0.762  "HO2'" PRE 26 
# 
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 
PRE C1    C2     SING N N 1  
PRE C1    C6     SING N N 2  
PRE C1    C7     SING N N 3  
PRE C1    C8     SING N N 4  
PRE C2    C3     DOUB N N 5  
PRE C2    H2     SING N N 6  
PRE C3    C4     SING N N 7  
PRE C3    H3     SING N N 8  
PRE C4    O4     SING N N 9  
PRE C4    C5     SING N N 10 
PRE C4    H4     SING N N 11 
PRE O4    HO4    SING N N 12 
PRE C5    C6     DOUB N N 13 
PRE C5    H5     SING N N 14 
PRE C6    H6     SING N N 15 
PRE C7    O71    DOUB N N 16 
PRE C7    O72    SING N N 17 
PRE O72   HO72   SING N N 18 
PRE C8    "C1'"  SING N N 19 
PRE C8    H81    SING N N 20 
PRE C8    H82    SING N N 21 
PRE "C1'" "O1'"  DOUB N N 22 
PRE "C1'" "C2'"  SING N N 23 
PRE "C2'" "O'L"  DOUB N N 24 
PRE "C2'" "O'M"  SING N N 25 
PRE "O'M" "HO2'" SING N N 26 
# 
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 
PRE SMILES           ACDLabs              14.52   "OC1C=CC(CC(=O)C(=O)O)(C=C1)C(=O)O"                                                                     
PRE InChI            InChI                1.06    "InChI=1S/C10H10O6/c11-6-1-3-10(4-2-6,9(15)16)5-7(12)8(13)14/h1-4,6,11H,5H2,(H,13,14)(H,15,16)/t6-,10+" 
PRE InChIKey         InChI                1.06    FPWMCUPFBRFMLH-XGAOUMNUSA-N                                                                             
PRE SMILES_CANONICAL CACTVS               3.385   "O[C@H]1C=C[C@](CC(=O)C(O)=O)(C=C1)C(O)=O"                                                              
PRE SMILES           CACTVS               3.385   "O[CH]1C=C[C](CC(=O)C(O)=O)(C=C1)C(O)=O"                                                                
PRE SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "C1=CC(C=CC1O)(CC(=O)C(=O)O)C(=O)O"                                                                     
PRE SMILES           "OpenEye OEToolkits" 3.1.0.0 "C1=CC(C=CC1O)(CC(=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 
PRE "SYSTEMATIC NAME" ACDLabs              14.52   "(1s,4s)-1-(2-carboxy-2-oxoethyl)-4-hydroxycyclohexa-2,5-diene-1-carboxylic acid"             
PRE "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "4-oxidanyl-1-[3-oxidanyl-2,3-bis(oxidanylidene)propyl]cyclohexa-2,5-diene-1-carboxylic 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 
PRE "Create component"   1999-07-08 RCSB 
PRE "Modify descriptor"  2011-06-04 RCSB 
PRE "Other modification" 2025-09-09 RCSB 
# 
