data_C21
# 
_chem_comp.id                                    C21 
_chem_comp.name                                  "THIOPHENE-2-CARBOXYLIC ACID" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C5 H4 O2 S" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2006-06-21 
_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                        128.149 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     C21 
_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        2HDQ 
_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 
C21 O8  O8  O 0 1 N N N 70.870 -21.734 25.707 2.336  -1.123 0.001  O8  C21 1  
C21 C6  C6  C 0 1 N N N 71.559 -20.722 25.981 1.660  -0.112 0.001  C6  C21 2  
C21 O7  O7  O 0 1 N N N 72.170 -20.617 27.069 2.256  1.098  0.000  O7  C21 3  
C21 C4  C4  C 0 1 Y N N 71.650 -19.614 24.985 0.199  -0.208 0.001  C4  C21 4  
C21 S5  S5  S 0 1 Y N N 70.754 -19.849 23.531 -1.014 1.100  0.000  S5  C21 5  
C21 C3  C3  C 0 1 Y N N 72.299 -18.388 24.942 -0.603 -1.340 -0.004 C3  C21 6  
C21 C2  C2  C 0 1 Y N N 72.061 -17.684 23.742 -1.961 -1.143 0.002  C2  C21 7  
C21 C1  C1  C 0 1 Y N N 71.231 -18.342 22.851 -2.448 0.126  0.001  C1  C21 8  
C21 HO7 HO7 H 0 1 N N N 72.017 -21.393 27.595 3.221  1.162  0.000  HO7 C21 9  
C21 H3  H3  H 0 1 N N N 72.920 -18.013 25.742 -0.177 -2.332 -0.004 H3  C21 10 
C21 H2  H2  H 0 1 N N N 72.490 -16.714 23.537 -2.635 -1.987 0.003  H2  C21 11 
C21 H1  H1  H 0 1 N N N 70.931 -17.969 21.883 -3.478 0.449  0.001  H1  C21 12 
# 
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 
C21 O8 C6  DOUB N N 1  
C21 C6 O7  SING N N 2  
C21 C6 C4  SING N N 3  
C21 O7 HO7 SING N N 4  
C21 C4 S5  SING Y N 5  
C21 C4 C3  DOUB Y N 6  
C21 S5 C1  SING Y N 7  
C21 C3 C2  SING Y N 8  
C21 C3 H3  SING N N 9  
C21 C2 C1  DOUB Y N 10 
C21 C2 H2  SING N N 11 
C21 C1 H1  SING N N 12 
# 
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 
C21 SMILES           ACDLabs              10.04 "O=C(O)c1sccc1"                                     
C21 SMILES_CANONICAL CACTVS               3.341 "OC(=O)c1sccc1"                                     
C21 SMILES           CACTVS               3.341 "OC(=O)c1sccc1"                                     
C21 SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "c1cc(sc1)C(=O)O"                                   
C21 SMILES           "OpenEye OEToolkits" 1.5.0 "c1cc(sc1)C(=O)O"                                   
C21 InChI            InChI                1.03  "InChI=1S/C5H4O2S/c6-5(7)4-2-1-3-8-4/h1-3H,(H,6,7)" 
C21 InChIKey         InChI                1.03  QERYCTSHXKAMIS-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 
C21 "SYSTEMATIC NAME" ACDLabs              10.04 "thiophene-2-carboxylic acid" 
C21 "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "thiophene-2-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 
C21 "Create component"  2006-06-21 RCSB 
C21 "Modify descriptor" 2011-06-04 RCSB 
# 
