data_KY4
# 
_chem_comp.id                                    KY4 
_chem_comp.name                                  "{(4Z)-2-[(1R)-1-amino-2-sulfanylethyl]-4-[(2,3-difluoro-4-hydroxyphenyl)methylidene]-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid" 
_chem_comp.type                                  "L-peptide linking" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C14 H13 F2 N3 O4 S" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         "CHROMOPHORE (CYS-TYR-GLY)-2,3-F" 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2019-01-23 
_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                        357.333 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     KY4 
_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        6NQP 
_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 
KY4 N1   N    N 0 1 N N N Y Y N 27.323 20.533 54.492 -1.823 -2.414 -1.514 N    KY4 1  
KY4 SG1  SG1  S 0 1 N N N N N N 29.290 23.116 54.369 -3.834 -3.371 0.584  SG1  KY4 2  
KY4 CB1  CB1  C 0 1 N N N N N N 28.744 22.051 55.737 -2.791 -1.890 0.674  CB1  KY4 3  
KY4 CA1  CA1  C 0 1 N N R Y N N 28.556 20.615 55.257 -2.515 -1.375 -0.740 CA1  KY4 4  
KY4 C1   C1   C 0 1 N N N Y N N 28.515 19.664 56.461 -1.648 -0.144 -0.666 C1   KY4 5  
KY4 N2   N2   N 0 1 N N N Y N N 28.605 19.993 57.770 -0.354 -0.164 -0.590 N2   KY4 6  
KY4 N3   N3   N 0 1 N N N Y N N 28.391 18.325 56.387 -2.125 1.137  -0.676 N3   KY4 7  
KY4 C2   C2   C 0 1 N N N Y N N 28.401 17.847 57.611 -1.074 1.983  -0.596 C2   KY4 8  
KY4 O2   O2   O 0 1 N N N Y N N 28.301 16.701 57.904 -1.106 3.201  -0.579 O2   KY4 9  
KY4 CA2  CA2  C 0 1 N N N Y N N 28.543 18.884 58.486 0.116  1.119  -0.538 CA2  KY4 10 
KY4 CA3  CA3  C 0 1 N N N Y N N 28.250 17.522 55.186 -3.535 1.526  -0.760 CA3  KY4 11 
KY4 CB2  CB2  C 0 1 N N N N N N 28.564 18.713 59.804 1.432  1.520  -0.452 CB2  KY4 12 
KY4 CG2  CG2  C 0 1 Y N N N N N 28.260 19.764 60.884 2.488  0.527  -0.254 CG2  KY4 13 
KY4 CD1  CD1  C 0 1 Y N N N N N 27.835 19.336 62.139 3.761  0.928  0.187  CD1  KY4 14 
KY4 CD2  CD2  C 0 1 Y N N N N N 28.406 21.125 60.646 2.234  -0.830 -0.498 CD2  KY4 15 
KY4 CE1  CE1  C 0 1 Y N N N N N 27.556 20.257 63.132 4.751  -0.015 0.372  CE1  KY4 16 
KY4 CE2  CE2  C 0 1 Y N N N N N 28.124 22.044 61.646 3.230  -1.760 -0.309 CE2  KY4 17 
KY4 CZ   CZ   C 0 1 Y N N N N N 27.694 21.610 62.893 4.490  -1.359 0.122  CZ   KY4 18 
KY4 OH   OH   O 0 1 N N N N N N 27.412 22.528 63.915 5.467  -2.283 0.305  OH   KY4 19 
KY4 C3   C    C 0 1 N N N Y N Y 29.335 16.461 55.093 -4.109 1.637  0.629  C    KY4 20 
KY4 O3   O    O 0 1 N N N Y N Y 29.292 15.623 54.154 -3.411 1.414  1.591  O    KY4 21 
KY4 F1   F1   F 0 1 N N N N N N 27.139 19.833 64.349 5.976  0.367  0.796  F1   KY4 22 
KY4 F2   F2   F 0 1 N N N N N N 27.678 18.008 62.416 4.014  2.233  0.429  F2   KY4 23 
KY4 H    HN1  H 0 1 N N N Y Y N 27.190 19.595 54.172 -0.945 -2.662 -1.083 HN1  KY4 24 
KY4 H2   HN2  H 0 1 N Y N Y Y N 26.553 20.800 55.072 -2.410 -3.226 -1.633 HN2  KY4 25 
KY4 HG1  HG1  H 0 1 N N N N N N 29.395 24.273 54.952 -3.993 -3.708 1.876  HG1  KY4 26 
KY4 HB11 HB11 H 0 0 N N N N N N 29.502 22.069 56.534 -3.304 -1.118 1.248  HB11 KY4 27 
KY4 HB12 HB12 H 0 0 N N N N N N 27.789 22.429 56.130 -1.848 -2.138 1.160  HB12 KY4 28 
KY4 HA1  HA1  H 0 1 N N N Y N N 29.409 20.340 54.619 -3.458 -1.126 -1.227 HA1  KY4 29 
KY4 HA31 HA31 H 0 0 N N N Y N N 28.317 18.180 54.307 -3.617 2.488  -1.265 HA31 KY4 30 
KY4 HA32 HA32 H 0 0 N N N Y N N 27.267 17.028 55.200 -4.087 0.772  -1.322 HA32 KY4 31 
KY4 HB2  HB2  H 0 1 N N N N N N 28.824 17.725 60.155 1.684  2.568  -0.531 HB2  KY4 32 
KY4 HD2  HD2  H 0 1 N N N N N N 28.740 21.469 59.678 1.256  -1.145 -0.832 HD2  KY4 33 
KY4 HE2  HE2  H 0 1 N N N N N N 28.239 23.101 61.454 3.033  -2.805 -0.497 HE2  KY4 34 
KY4 H1   H1   H 0 1 N N N N N N 27.133 22.060 64.693 6.005  -2.448 -0.482 H1   KY4 35 
KY4 OXT  OXT  O 0 1 N Y N Y N Y 30.591 16.767 55.420 -5.394 1.984  0.799  OXT  KY4 36 
KY4 HXT  HXT  H 0 1 N Y N Y N Y 31.190 16.280 54.867 -5.717 2.042  1.709  HXT  KY4 37 
# 
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 
KY4 O3  C3   DOUB N N 1  
KY4 SG1 CB1  SING N N 2  
KY4 N1  CA1  SING N N 3  
KY4 C3  CA3  SING N N 4  
KY4 CA3 N3   SING N N 5  
KY4 CA1 CB1  SING N N 6  
KY4 CA1 C1   SING N N 7  
KY4 N3  C1   SING N N 8  
KY4 N3  C2   SING N N 9  
KY4 C1  N2   DOUB N N 10 
KY4 C2  O2   DOUB N N 11 
KY4 C2  CA2  SING N N 12 
KY4 N2  CA2  SING N N 13 
KY4 CA2 CB2  DOUB N Z 14 
KY4 CB2 CG2  SING N N 15 
KY4 CD2 CG2  DOUB Y N 16 
KY4 CD2 CE2  SING Y N 17 
KY4 CG2 CD1  SING Y N 18 
KY4 CE2 CZ   DOUB Y N 19 
KY4 CD1 F2   SING N N 20 
KY4 CD1 CE1  DOUB Y N 21 
KY4 CZ  CE1  SING Y N 22 
KY4 CZ  OH   SING N N 23 
KY4 CE1 F1   SING N N 24 
KY4 N1  H    SING N N 25 
KY4 N1  H2   SING N N 26 
KY4 SG1 HG1  SING N N 27 
KY4 CB1 HB11 SING N N 28 
KY4 CB1 HB12 SING N N 29 
KY4 CA1 HA1  SING N N 30 
KY4 CA3 HA31 SING N N 31 
KY4 CA3 HA32 SING N N 32 
KY4 CB2 HB2  SING N N 33 
KY4 CD2 HD2  SING N N 34 
KY4 CE2 HE2  SING N N 35 
KY4 OH  H1   SING N N 36 
KY4 C3  OXT  SING N N 37 
KY4 OXT HXT  SING N N 38 
# 
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 
KY4 SMILES           ACDLabs              12.01 "NC(CS)C1=N/C(C(N1CC(O)=O)=O)=C\c2c(F)c(F)c(cc2)O"                                                                                             
KY4 InChI            InChI                1.03  "InChI=1S/C14H13F2N3O4S/c15-11-6(1-2-9(20)12(11)16)3-8-14(23)19(4-10(21)22)13(18-8)7(17)5-24/h1-3,7,20,24H,4-5,17H2,(H,21,22)/b8-3-/t7-/m0/s1" 
KY4 InChIKey         InChI                1.03  AYDHXKGHIMQYFI-UGWYQVJNSA-N                                                                                                                    
KY4 SMILES_CANONICAL CACTVS               3.385 "N[C@@H](CS)C1=N\C(=C/c2ccc(O)c(F)c2F)C(=O)N1CC(O)=O"                                                                                          
KY4 SMILES           CACTVS               3.385 "N[CH](CS)C1=NC(=Cc2ccc(O)c(F)c2F)C(=O)N1CC(O)=O"                                                                                              
KY4 SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "c1cc(c(c(c1/C=C\2/C(=O)N(C(=N2)[C@H](CS)N)CC(=O)O)F)F)O"                                                                                      
KY4 SMILES           "OpenEye OEToolkits" 2.0.7 "c1cc(c(c(c1C=C2C(=O)N(C(=N2)C(CS)N)CC(=O)O)F)F)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 
KY4 "SYSTEMATIC NAME" ACDLabs              12.01 "{(4Z)-2-[(1R)-1-amino-2-sulfanylethyl]-4-[(2,3-difluoro-4-hydroxyphenyl)methylidene]-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid"                
KY4 "SYSTEMATIC NAME" "OpenEye OEToolkits" 2.0.7 "2-[(4~{Z})-2-[(1~{R})-1-azanyl-2-sulfanyl-ethyl]-4-[[2,3-bis(fluoranyl)-4-oxidanyl-phenyl]methylidene]-5-oxidanylidene-imidazol-1-yl]ethanoic 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 
KY4 "Create component" 2019-01-23 RCSB 
KY4 "Initial release"  2019-06-12 RCSB 
KY4 "Modify synonyms"  2021-03-13 RCSB 
KY4 "Modify backbone"  2023-11-03 PDBE 
# 
_pdbx_chem_comp_synonyms.ordinal      1 
_pdbx_chem_comp_synonyms.comp_id      KY4 
_pdbx_chem_comp_synonyms.name         "CHROMOPHORE (CYS-TYR-GLY)-2,3-F" 
_pdbx_chem_comp_synonyms.provenance   PDB 
_pdbx_chem_comp_synonyms.type         ? 
# 
