data_PYR
# 
_chem_comp.id                                    PYR 
_chem_comp.name                                  "PYRUVIC ACID" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C3 H4 O3" 
_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                    2025-06-27 
_chem_comp.pdbx_ambiguous_flag                   N 
_chem_comp.pdbx_release_status                   REL 
_chem_comp.pdbx_replaced_by                      ? 
_chem_comp.pdbx_replaces                         PVL 
_chem_comp.formula_weight                        88.062 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     PYR 
_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        1AQ2 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  EBI 
_chem_comp.pdbx_pcm                              Y 
# 
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_backbone_atom_flag 
_chem_comp_atom.pdbx_n_terminal_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 
PYR C   C1  C 0 1 N N N Y N Y 35.687 3.039 6.776 0.705  -0.157 0.002  C1  PYR 1  
PYR O   O1  O 0 1 N N N Y N Y 34.580 2.789 6.253 1.053  -1.318 0.001  O1  PYR 2  
PYR OXT O2  O 0 1 N Y N Y N Y 36.677 3.339 6.077 1.628  0.822  -0.002 O2  PYR 3  
PYR CA  C2  C 0 1 N N N Y N N 35.836 2.980 8.201 -0.746 0.187  0.000  C2  PYR 4  
PYR O3  O3  O 0 1 N Y N N N N 35.325 3.847 8.937 -1.092 1.344  0.001  O3  PYR 5  
PYR CB  C3  C 0 1 N N N N N N 36.646 1.906 8.739 -1.780 -0.910 -0.002 C3  PYR 6  
PYR HXT HO2 H 0 1 N Y N Y N Y 36.430 3.336 5.160 2.556  0.551  -0.005 HO2 PYR 7  
PYR HB1 H31 H 0 1 N N N N N N 36.710 2.007 9.833 -1.281 -1.879 -0.002 H31 PYR 8  
PYR HB2 H32 H 0 1 N N N N N N 36.187 0.939 8.486 -2.404 -0.822 0.887  H32 PYR 9  
PYR HB3 H33 H 0 1 N N N N N N 37.656 1.957 8.307 -2.402 -0.821 -0.892 H33 PYR 10 
# 
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 
PYR C   O   DOUB N N 1 
PYR C   OXT SING N N 2 
PYR C   CA  SING N N 3 
PYR OXT HXT SING N N 4 
PYR CA  O3  DOUB N N 5 
PYR CA  CB  SING N N 6 
PYR CB  HB1 SING N N 7 
PYR CB  HB2 SING N N 8 
PYR CB  HB3 SING N N 9 
# 
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 
PYR SMILES           ACDLabs              12.01 "O=C(C(=O)O)C"                              
PYR InChI            InChI                1.03  "InChI=1S/C3H4O3/c1-2(4)3(5)6/h1H3,(H,5,6)" 
PYR InChIKey         InChI                1.03  LCTONWCANYUPML-UHFFFAOYSA-N                 
PYR SMILES_CANONICAL CACTVS               3.385 "CC(=O)C(O)=O"                              
PYR SMILES           CACTVS               3.385 "CC(=O)C(O)=O"                              
PYR SMILES_CANONICAL "OpenEye OEToolkits" 1.7.6 "CC(=O)C(=O)O"                              
PYR SMILES           "OpenEye OEToolkits" 1.7.6 "CC(=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 
PYR "SYSTEMATIC NAME" ACDLabs              12.01 "2-oxopropanoic acid"           
PYR "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.6 "2-oxidanylidenepropanoic 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 
PYR "Create component"         1999-07-08 EBI  
PYR "Modify descriptor"        2011-06-04 RCSB 
PYR "Modify leaving atom flag" 2014-12-02 RCSB 
PYR "Modify leaving atom flag" 2017-11-15 RCSB 
PYR "Modify backbone"          2023-11-03 PDBE 
PYR "Modify PCM"               2024-09-27 PDBE 
PYR "Modify PCM"               2025-06-27 RCSB 
# 
loop_
_pdbx_chem_comp_pcm.pcm_id 
_pdbx_chem_comp_pcm.comp_id 
_pdbx_chem_comp_pcm.modified_residue_id 
_pdbx_chem_comp_pcm.type 
_pdbx_chem_comp_pcm.category 
_pdbx_chem_comp_pcm.position 
_pdbx_chem_comp_pcm.polypeptide_position 
_pdbx_chem_comp_pcm.comp_id_linking_atom 
_pdbx_chem_comp_pcm.modified_residue_id_linking_atom 
_pdbx_chem_comp_pcm.uniprot_specific_ptm_accession 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession 
1 PYR ?   None           "Non-standard residue"           "Amino-acid side chain and backbone" "Any position" ?  ?   ?        ? 
2 PYR CYS "Pyruvic acid" "Named protein modification"     "Amino-acid side chain and backbone" N-terminal     ?  ?   PTM-0265 ? 
3 PYR SER "Pyruvic acid" "Named protein modification"     "Amino-acid side chain and backbone" N-terminal     ?  ?   PTM-0266 ? 
4 PYR TYR "Pyruvic acid" "Named protein modification"     "Amino-acid side chain and backbone" N-terminal     ?  ?   PTM-0662 ? 
5 PYR CYS None           "Covalent chemical modification" "Amino-acid side chain"              "Any position" CB SG  ?        ? 
6 PYR HIS None           "Covalent chemical modification" "Amino-acid side chain"              "Any position" O  NE2 ?        ? 
7 PYR LYS None           "Covalent chemical modification" "Amino-acid side chain"              "Any position" CA NZ  ?        ? 
8 PYR SER "Pyruvic acid" "Named protein modification"     "Amino-acid backbone"                N-terminal     ?  ?   ?        ? 
# 
