data_XCN
# 
_chem_comp.id                                    XCN 
_chem_comp.name                                  S-cyano-L-cysteine 
_chem_comp.type                                  "L-peptide linking" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C4 H6 N2 O2 S" 
_chem_comp.mon_nstd_parent_comp_id               CYS 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2010-09-21 
_chem_comp.pdbx_modified_date                    2023-11-03 
_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                        146.168 
_chem_comp.one_letter_code                       C 
_chem_comp.three_letter_code                     XCN 
_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        3OWS 
_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.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 
XCN C   C   C 0 1 N N N Y N Y -12.132 -41.377 -2.969 2.226  -0.360 -0.025 C   XCN 1  
XCN N   N   N 0 1 N N N Y Y N -10.257 -42.831 -2.479 1.058  1.763  -0.205 N   XCN 2  
XCN O   O   O 0 1 N N N Y N Y -11.543 -40.606 -3.713 2.839  -0.034 -1.014 O   XCN 3  
XCN CA  CA  C 0 1 N N R Y N N -11.387 -42.129 -1.885 1.014  0.427  0.403  CA  XCN 4  
XCN CB  CB  C 0 1 N N N N N N -10.934 -41.139 -0.812 -0.253 -0.299 -0.052 CB  XCN 5  
XCN NC  NC  N 0 1 N N N N N N -12.529 -38.009 -1.583 -3.843 -1.084 -0.600 NC  XCN 6  
XCN SG  SG  S 0 1 N N N N N N -12.361 -40.400 -0.080 -1.709 0.646  0.462  SG  XCN 7  
XCN CS  CS  C 0 1 N N N N N N -12.425 -38.959 -0.943 -3.020 -0.417 -0.191 CS  XCN 8  
XCN OXT OXT O 0 1 N Y N Y N Y -13.540 -41.572 -3.124 2.621  -1.426 0.689  OXT XCN 9  
XCN H   HN  H 0 1 N N N Y Y N -9.762  -43.329 -1.767 1.852  2.288  0.131  HN  XCN 10 
XCN H2  HNX H 0 1 N Y N Y Y N -10.590 -43.476 -3.167 1.064  1.702  -1.212 HNX XCN 11 
XCN HA  HA  H 0 1 N N N Y N N -12.041 -42.875 -1.410 1.008  0.522  1.489  HA  XCN 12 
XCN HB  HB  H 0 1 N N N N N N -10.354 -41.668 -0.041 -0.247 -0.394 -1.138 HB  XCN 13 
XCN HBA HBA H 0 1 N N N N N N -10.306 -40.360 -1.268 -0.285 -1.291 0.399  HBA XCN 14 
XCN HXT HXT H 0 1 N Y N Y N Y -13.858 -41.035 -3.840 3.403  -1.899 0.375  HXT XCN 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 
XCN C   CA  SING N N 1  
XCN C   OXT SING N N 2  
XCN N   CA  SING N N 3  
XCN N   H   SING N N 4  
XCN N   H2  SING N N 5  
XCN O   C   DOUB N N 6  
XCN CA  CB  SING N N 7  
XCN CA  HA  SING N N 8  
XCN CB  SG  SING N N 9  
XCN CB  HB  SING N N 10 
XCN CB  HBA SING N N 11 
XCN NC  CS  TRIP N N 12 
XCN CS  SG  SING N N 13 
XCN 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 
XCN SMILES           ACDLabs              12.01 "O=C(O)C(N)CSC#N"                                                   
XCN SMILES_CANONICAL CACTVS               3.370 "N[C@@H](CSC#N)C(O)=O"                                              
XCN SMILES           CACTVS               3.370 "N[CH](CSC#N)C(O)=O"                                                
XCN SMILES_CANONICAL "OpenEye OEToolkits" 1.7.0 "C([C@@H](C(=O)O)N)SC#N"                                            
XCN SMILES           "OpenEye OEToolkits" 1.7.0 "C(C(C(=O)O)N)SC#N"                                                 
XCN InChI            InChI                1.03  "InChI=1S/C4H6N2O2S/c5-2-9-1-3(6)4(7)8/h3H,1,6H2,(H,7,8)/t3-/m0/s1" 
XCN InChIKey         InChI                1.03  SZWQJLWRBFBNHI-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 
XCN "SYSTEMATIC NAME" ACDLabs              12.01 S-cyano-L-cysteine                           
XCN "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.0 "(2R)-2-azanyl-3-thiocyanato-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 
XCN "Create component"  2010-09-21 RCSB 
XCN "Modify descriptor" 2011-06-04 RCSB 
XCN "Modify backbone"   2023-11-03 PDBE 
# 
