data_CSX
# 
_chem_comp.id                                    CSX 
_chem_comp.name                                  "S-OXY CYSTEINE" 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C3 H7 N O3 S" 
_chem_comp.mon_nstd_parent_comp_id               CYS 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-07-08 
_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                        137.158 
_chem_comp.one_letter_code                       C 
_chem_comp.three_letter_code                     CSX 
_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 
CSX N   N   N 0 1 N N N Y Y N 41.659 31.786 57.854 1.094  -2.077 1.588  N   CSX 1  
CSX CA  CA  C 0 1 N N R Y N N 42.086 33.075 57.316 1.330  -0.632 1.619  CA  CSX 2  
CSX CB  CB  C 0 1 N N N N N N 41.364 33.411 56.000 1.068  -0.026 0.243  CB  CSX 3  
CSX SG  SG  S 0 1 N N S N N N 42.074 34.830 55.077 1.344  1.776  0.235  SG  CSX 4  
CSX C   C   C 0 1 N N N Y N Y 41.751 34.115 58.379 0.384  -0.069 2.661  C   CSX 5  
CSX O   O   O 0 1 N N N Y N Y 40.683 34.061 59.006 -0.738 -0.488 2.910  O   CSX 6  
CSX OXT OXT O 0 1 N Y N Y N Y 42.677 35.039 58.598 0.937  1.004  3.284  OXT CSX 7  
CSX OD  OD  O 0 1 N N N N N N 40.973 35.450 54.275 2.822  2.000  0.228  OD  CSX 8  
CSX H   1HN H 0 1 N N N Y Y N 42.137 31.563 58.726 0.330  -2.412 1.046  H   CSX 9  
CSX H2  2HN H 0 1 N Y N Y Y N 41.772 31.040 57.167 1.569  -2.640 2.257  H2  CSX 10 
CSX HA  HA  H 0 1 N N N Y N N 43.176 33.054 57.082 2.364  -0.469 1.944  HA  CSX 11 
CSX HB2 1HB H 0 1 N N N N N N 41.313 32.509 55.345 1.755  -0.439 -0.504 HB2 CSX 12 
CSX HB3 2HB H 0 1 N N N N N N 40.277 33.575 56.186 0.041  -0.203 -0.097 HB3 CSX 13 
CSX HG  HS  H 0 1 N N N N N N 42.565 35.701 55.908 1.051  2.029  -1.051 HG  CSX 14 
CSX HXT HXT H 0 1 N Y N Y N Y 42.468 35.687 59.260 0.330  1.393  3.949  HXT CSX 15 
# 
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 
CSX N   CA  SING N N 1  
CSX N   H   SING N N 2  
CSX N   H2  SING N N 3  
CSX CA  CB  SING N N 4  
CSX CA  C   SING N N 5  
CSX CA  HA  SING N N 6  
CSX CB  SG  SING N N 7  
CSX CB  HB2 SING N N 8  
CSX CB  HB3 SING N N 9  
CSX SG  OD  DOUB N N 10 
CSX SG  HG  SING N N 11 
CSX C   O   DOUB N N 12 
CSX C   OXT SING N N 13 
CSX OXT HXT SING N N 14 
# 
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 
CSX SMILES           ACDLabs              10.04 "O=C(O)C(N)CS=O"                                                   
CSX SMILES_CANONICAL CACTVS               3.341 "N[C@@H](C[S@@H]=O)C(O)=O"                                         
CSX SMILES           CACTVS               3.341 "N[CH](C[SH]=O)C(O)=O"                                             
CSX SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C([C@@H](C(=O)O)N)[S@H]=O"                                        
CSX SMILES           "OpenEye OEToolkits" 1.5.0 "C(C(C(=O)O)N)S=O"                                                 
CSX InChI            InChI                1.03  "InChI=1S/C3H7NO3S/c4-2(1-8-7)3(5)6/h2,8H,1,4H2,(H,5,6)/t2-/m0/s1" 
CSX InChIKey         InChI                1.03  BHLMCOCHAVMHLD-REOHCLBHSA-N                                        
# 
_pdbx_chem_comp_identifier.comp_id           CSX 
_pdbx_chem_comp_identifier.type              "SYSTEMATIC NAME" 
_pdbx_chem_comp_identifier.program           ACDLabs 
_pdbx_chem_comp_identifier.program_version   10.04 
_pdbx_chem_comp_identifier.identifier        "3-(oxidosulfanyl)-L-alanine" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
CSX "Create component"  1999-07-08 RCSB 
CSX "Modify descriptor" 2011-06-04 RCSB 
CSX "Modify backbone"   2023-11-03 PDBE 
CSX "Modify PCM"        2024-09-27 PDBE 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            CSX 
_pdbx_chem_comp_pcm.modified_residue_id                CYS 
_pdbx_chem_comp_pcm.type                               Oxidation 
_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      ? 
# 
