data_MCS
# 
_chem_comp.id                                    MCS 
_chem_comp.name                                  "MALONYL CYSTEINE" 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C6 H9 N O5 S" 
_chem_comp.mon_nstd_parent_comp_id               CYS 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2007-02-02 
_chem_comp.pdbx_modified_date                    2024-09-27 
_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                        207.204 
_chem_comp.one_letter_code                       C 
_chem_comp.three_letter_code                     MCS 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   N 
_chem_comp.pdbx_ideal_coordinates_details        "OpenEye/OEToolkits V1.4.2" 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        ? 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
_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 
MCS O    O    O 0 1 N N N Y N Y -26.319 -55.767 -66.188 2.436  -0.664 -3.010 O    MCS 1  
MCS C    C    C 0 1 N N N Y N Y -25.161 -55.931 -65.802 1.500  -0.794 -2.231 C    MCS 2  
MCS CA   CA   C 0 1 N N S Y N N -23.963 -55.497 -66.669 1.665  -1.164 -0.766 CA   MCS 3  
MCS N    N    N 0 1 N N N Y Y N -23.833 -56.420 -67.762 3.035  -1.472 -0.440 N    MCS 4  
MCS CB   CB   C 0 1 N N N N N N -23.949 -54.026 -67.138 1.076  -0.107 0.172  CB   MCS 5  
MCS SAI  SAI  S 0 1 N N N N N N -22.453 -53.738 -68.179 1.832  1.542  -0.014 SAI  MCS 6  
MCS CAK  CAK  C 0 1 N N N N N N -22.310 -51.917 -68.429 0.877  2.448  1.159  CAK  MCS 7  
MCS OAC  OAC  O 0 1 N N N N N N -21.409 -51.315 -67.853 -0.025 1.950  1.821  OAC  MCS 8  
MCS CAG  CAG  C 0 1 N N N N N N -23.263 -51.092 -69.366 1.278  3.902  1.241  CAG  MCS 9  
MCS CAJ  CAJ  C 0 1 N N N N N N -22.477 -50.225 -70.427 1.056  4.536  2.588  CAJ  MCS 10 
MCS OAE  OAE  O 0 1 N N N N N N -23.035 -49.179 -70.899 1.439  5.837  2.619  OAE  MCS 11 
MCS OAB  OAB  O 0 1 N N N N N N -21.328 -50.637 -70.758 0.579  3.950  3.552  OAB  MCS 12 
MCS OXT  OXT  O 0 1 N Y N Y N Y -24.862 -56.508 -64.638 0.208  -0.605 -2.593 OXT  MCS 13 
MCS HA   HA   H 0 1 N N N Y N N -23.068 -55.535 -66.006 1.117  -2.104 -0.627 HA   MCS 14 
MCS HXT  HOT  H 0 1 N Y N Y N Y -23.969 -56.634 -64.340 0.125  -0.356 -3.538 HOT  MCS 15 
MCS H    HN1  H 0 1 N N N Y Y N -24.694 -56.512 -68.302 3.758  -1.236 -1.098 HN1  MCS 16 
MCS H2   HN2  H 0 1 N Y N Y Y N -23.040 -56.133 -68.336 3.225  -2.090 0.331  HN2  MCS 17 
MCS HBC1 HBC1 H 0 0 N N N N N N -24.017 -53.309 -66.287 1.217  -0.414 1.214  HBC1 MCS 18 
MCS HBC2 HBC2 H 0 0 N N N N N N -24.891 -53.739 -67.661 0.000  0.000  0.000  HBC2 MCS 19 
MCS HAG1 HAG1 H 0 0 N N N N N N -23.959 -50.458 -68.769 0.691  4.466  0.507  HAG1 MCS 20 
MCS HAG2 HAG2 H 0 0 N N N N N N -24.006 -51.757 -69.865 2.337  4.021  0.985  HAG2 MCS 21 
MCS HAE  HAE  H 0 1 N N N N N N -22.562 -48.658 -71.537 1.306  6.287  3.481  HAE  MCS 22 
# 
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 
MCS O   C    DOUB N N 1  
MCS C   CA   SING N N 2  
MCS C   OXT  SING N N 3  
MCS CA  N    SING N N 4  
MCS CA  CB   SING N N 5  
MCS CA  HA   SING N N 6  
MCS N   H    SING N N 7  
MCS N   H2   SING N N 8  
MCS CB  SAI  SING N N 9  
MCS CB  HBC1 SING N N 10 
MCS CB  HBC2 SING N N 11 
MCS SAI CAK  SING N N 12 
MCS CAK OAC  DOUB N N 13 
MCS CAK CAG  SING N N 14 
MCS CAG CAJ  SING N N 15 
MCS CAG HAG1 SING N N 16 
MCS CAG HAG2 SING N N 17 
MCS CAJ OAE  SING N N 18 
MCS CAJ OAB  DOUB N N 19 
MCS OAE HAE  SING N N 20 
MCS OXT HXT  SING N N 21 
# 
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 
MCS SMILES           ACDLabs              10.04 "O=C(O)C(N)CSC(=O)CC(=O)O"                                                                
MCS SMILES_CANONICAL CACTVS               3.341 "N[C@@H](CSC(=O)CC(O)=O)C(O)=O"                                                           
MCS SMILES           CACTVS               3.341 "N[CH](CSC(=O)CC(O)=O)C(O)=O"                                                             
MCS SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C([C@@H](C(=O)O)N)SC(=O)CC(=O)O"                                                         
MCS SMILES           "OpenEye OEToolkits" 1.5.0 "C(C(C(=O)O)N)SC(=O)CC(=O)O"                                                              
MCS InChI            InChI                1.03  "InChI=1S/C6H9NO5S/c7-3(6(11)12)2-13-5(10)1-4(8)9/h3H,1-2,7H2,(H,8,9)(H,11,12)/t3-/m0/s1" 
MCS InChIKey         InChI                1.03  SAKROQSNEZIDKV-VKHMYHEASA-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 
MCS "SYSTEMATIC NAME" ACDLabs              10.04 "S-(carboxyacetyl)-L-cysteine"                                      
MCS "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2R)-2-amino-3-(3-hydroxy-3-oxo-propanoyl)sulfanyl-propanoic 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 
MCS "Create component"  2007-02-02 RCSB 
MCS "Modify descriptor" 2011-06-04 RCSB 
MCS "Modify backbone"   2023-11-03 PDBE 
MCS "Modify PCM"        2024-09-27 PDBE 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            MCS 
_pdbx_chem_comp_pcm.modified_residue_id                CYS 
_pdbx_chem_comp_pcm.type                               Malonylation 
_pdbx_chem_comp_pcm.category                           "Named protein modification" 
_pdbx_chem_comp_pcm.position                           "Amino-acid side chain" 
_pdbx_chem_comp_pcm.polypeptide_position               "Any 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      ? 
# 
