data_SFO
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_chem_comp.id                                    SFO 
_chem_comp.name                                  "SULFONIC ACID" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "H3 O3 S" 
_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                    2023-09-23 
_chem_comp.pdbx_ambiguous_flag                   Y 
_chem_comp.pdbx_release_status                   REL 
_chem_comp.pdbx_replaced_by                      ? 
_chem_comp.pdbx_replaces                         ? 
_chem_comp.formula_weight                        83.087 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     SFO 
_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   Y 
_chem_comp.pdbx_model_coordinates_db_code        ? 
_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 
SFO S   S   S 0 1 N N N 11.224 6.316 -1.037 0.399  1.284  0.031  S   SFO 1 
SFO O1  O1  O 0 1 N N N 12.049 6.759 0.054  0.241  1.776  -1.323 O1  SFO 2 
SFO O2  O2  O 0 1 N N N 10.348 5.242 -0.650 1.674  1.300  0.719  O2  SFO 3 
SFO O3  O3  O 0 1 N N N 10.392 7.429 -1.409 -0.668 2.052  0.993  O3  SFO 4 
SFO HO3 HO3 H 0 1 N N N 10.589 8.172 -0.851 -0.273 2.563  1.738  HO3 SFO 5 
SFO HS1 HS1 H 0 1 N Y N 11.964 5.952 -2.042 0.000  -0.000 0.000  HS1 SFO 6 
SFO HO2 HO2 H 0 1 N N N 10.489 5.032 0.266  ?      ?      ?      HO2 SFO 7 
# 
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 
SFO S   O1  DOUB N N 1 
SFO S   O2  SING N N 2 
SFO S   O3  SING N N 3 
SFO O3  HO3 SING N N 4 
SFO HS1 S   SING N N 5 
SFO O2  HO2 SING N N 6 
# 
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 
SFO InChI            InChI                1.06  "InChI=1S/H4O3S/c1-4(2)3/h4H2,(H2,1,2,3)" 
SFO InChIKey         InChI                1.06  BESWYMJGRRXSAL-UHFFFAOYSA-N               
SFO SMILES_CANONICAL CACTVS               3.385 "O[SH](O)=O"                              
SFO SMILES           CACTVS               3.385 "O[SH](O)=O"                              
SFO SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "O[SH](=O)O"                              
SFO SMILES           "OpenEye OEToolkits" 2.0.7 "O[SH](=O)O"                              
# 
_pdbx_chem_comp_identifier.comp_id           SFO 
_pdbx_chem_comp_identifier.type              "SYSTEMATIC NAME" 
_pdbx_chem_comp_identifier.program           ACD-LABS 
_pdbx_chem_comp_identifier.program_version   4.04 
_pdbx_chem_comp_identifier.identifier        "sulfurous 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 
SFO "Create component"  1999-07-08 RCSB 
SFO "Modify descriptor" 2023-09-23 RCSB 
#