data_IYY
# 
_chem_comp.id                                    IYY 
_chem_comp.name                                  L-cystine 
_chem_comp.type                                  non-polymer 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C6 H12 N2 O4 S2" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         "(2R)-2-azanyl-3-[[(2R)-2-azanyl-3-oxidanyl-3-oxidanylidene-propyl]disulfanyl]propanoic acid" 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2022-04-20 
_chem_comp.pdbx_modified_date                    2022-08-26 
_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                        240.300 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     IYY 
_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        7ZKW 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  PDBE 
# 
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 
IYY CA  C1  C 0 1 N N R 25.348 -1.197 17.740 2.854  -0.235 -0.224 CA  IYY 1  
IYY CB  C2  C 0 1 N N N 25.191 0.144  18.451 3.938  0.558  0.461  CB  IYY 2  
IYY O3  O1  O 0 1 N N N 33.279 -3.242 17.464 -4.796 0.033  1.273  O3  IYY 3  
IYY C4  C3  C 0 1 N N R 31.361 -4.508 17.959 -2.848 -0.249 -0.218 C4  IYY 4  
IYY C5  C4  C 0 1 N N N 32.030 -3.144 17.873 -3.905 0.598  0.442  C5  IYY 5  
IYY O2  O2  O 0 1 N N N 31.449 -2.081 18.168 -3.952 1.785  0.223  O2  IYY 6  
IYY N1  N1  N 0 1 N N N 32.077 -5.389 18.897 -2.326 0.451  -1.398 N1  IYY 7  
IYY C3  C5  C 0 1 N N N 29.895 -4.306 18.350 -1.708 -0.503 0.771  C3  IYY 8  
IYY S1  S1  S 0 1 N N N 29.036 -3.145 17.244 -0.435 -1.523 -0.024 S1  IYY 9  
IYY SG  S2  S 0 1 N N N 27.080 -3.505 17.675 0.386  -0.245 -1.401 SG  IYY 10 
IYY C1  C6  C 0 1 N N N 26.654 -1.825 18.207 1.628  0.655  -0.434 C1  IYY 11 
IYY N   N2  N 0 1 N N N 25.296 -1.036 16.273 2.487  -1.386 0.611  N   IYY 12 
IYY O   O3  O 0 1 N N N 26.040 0.617  19.200 4.114  0.439  1.650  O   IYY 13 
IYY OXT O4  O 0 1 N N N 24.060 0.734  18.164 4.709  1.395  -0.251 OXT IYY 14 
IYY HA  H1  H 0 1 N N N 24.521 -1.851 18.054 3.217  -0.587 -1.190 HA  IYY 15 
IYY H9  H2  H 0 1 N N N 33.670 -2.377 17.428 -5.455 0.617  1.672  H9  IYY 16 
IYY H1  H3  H 0 1 N N N 31.386 -4.964 16.958 -3.283 -1.201 -0.523 H1  IYY 17 
IYY H10 H5  H 0 1 N N N 31.619 -6.277 18.936 -3.046 0.574  -2.094 H10 IYY 18 
IYY H11 H6  H 0 1 N N N 33.019 -5.513 18.585 -1.917 1.338  -1.142 H11 IYY 19 
IYY H8  H7  H 0 1 N N N 29.854 -3.912 19.376 -1.273 0.449  1.076  H8  IYY 20 
IYY H7  H8  H 0 1 N N N 29.381 -5.278 18.310 -2.095 -1.023 1.647  H7  IYY 21 
IYY HB2 H9  H 0 1 N N N 26.629 -1.835 19.307 1.207  0.928  0.534  HB2 IYY 22 
IYY HB3 H10 H 0 1 N N N 27.466 -1.166 17.865 1.921  1.558  -0.970 HB3 IYY 23 
IYY H2  H11 H 0 1 N N N 24.424 -0.621 16.013 2.040  -1.085 1.465  H2  IYY 24 
IYY H   H13 H 0 1 N N N 26.047 -0.446 15.976 1.899  -2.029 0.103  H   IYY 25 
IYY HXT H14 H 0 1 N N N 24.011 1.565  18.621 5.391  1.881  0.232  HXT IYY 26 
# 
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 
IYY N   CA  SING N N 1  
IYY S1  SG  SING N N 2  
IYY S1  C3  SING N N 3  
IYY O3  C5  SING N N 4  
IYY SG  C1  SING N N 5  
IYY CA  C1  SING N N 6  
IYY CA  CB  SING N N 7  
IYY C5  C4  SING N N 8  
IYY C5  O2  DOUB N N 9  
IYY C4  C3  SING N N 10 
IYY C4  N1  SING N N 11 
IYY OXT CB  SING N N 12 
IYY CB  O   DOUB N N 13 
IYY CA  HA  SING N N 14 
IYY O3  H9  SING N N 15 
IYY C4  H1  SING N N 16 
IYY N1  H10 SING N N 17 
IYY N1  H11 SING N N 18 
IYY C3  H8  SING N N 19 
IYY C3  H7  SING N N 20 
IYY C1  HB2 SING N N 21 
IYY C1  HB3 SING N N 22 
IYY N   H2  SING N N 23 
IYY N   H   SING N N 24 
IYY OXT HXT SING N N 25 
# 
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 
IYY InChI            InChI                1.06  "InChI=1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1" 
IYY InChIKey         InChI                1.06  LEVWYRKDKASIDU-IMJSIDKUSA-N                                                                             
IYY SMILES_CANONICAL CACTVS               3.385 "N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O"                                                                     
IYY SMILES           CACTVS               3.385 "N[CH](CSSC[CH](N)C(O)=O)C(O)=O"                                                                        
IYY SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "C([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N"                                                                  
IYY SMILES           "OpenEye OEToolkits" 2.0.7 "C(C(C(=O)O)N)SSCC(C(=O)O)N"                                                                            
# 
_pdbx_chem_comp_identifier.comp_id           IYY 
_pdbx_chem_comp_identifier.type              "SYSTEMATIC NAME" 
_pdbx_chem_comp_identifier.program           "OpenEye OEToolkits" 
_pdbx_chem_comp_identifier.program_version   2.0.7 
_pdbx_chem_comp_identifier.identifier        "(2~{R})-2-azanyl-3-[[(2~{R})-2-azanyl-3-oxidanyl-3-oxidanylidene-propyl]disulfanyl]propanoic acid" 
# 
_pdbx_chem_comp_synonyms.ordinal      1 
_pdbx_chem_comp_synonyms.comp_id      IYY 
_pdbx_chem_comp_synonyms.name         "(2R)-2-azanyl-3-[[(2R)-2-azanyl-3-oxidanyl-3-oxidanylidene-propyl]disulfanyl]propanoic acid" 
_pdbx_chem_comp_synonyms.provenance   AUTHOR 
_pdbx_chem_comp_synonyms.type         ? 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
IYY "Create component"  2022-04-20 PDBE 
IYY "Modify name"       2022-05-11 PDBE 
IYY "Modify descriptor" 2022-08-22 RCSB 
IYY "Initial release"   2022-08-31 RCSB 
# 
