data_KZ4
# 
_chem_comp.id                                    KZ4 
_chem_comp.name                                  "{(4Z)-2-[(1R)-1-amino-2-sulfanylethyl]-4-[(3-bromo-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 H14 Br N3 O4 S" 
_chem_comp.mon_nstd_parent_comp_id               "CYS, TYR, GLY" 
_chem_comp.pdbx_synonyms                         "CHROMOPHORE (CYS-TYR-GLY)3-Br" 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2019-01-25 
_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                        400.248 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     KZ4 
_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        6NQN 
_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 
KZ4 N1   N    N  0 1 N N N Y Y N -14.492 21.913 -2.802 -1.162 2.095  1.535  N    KZ4 1  
KZ4 SG1  SG1  S  0 1 N N N N N N -14.448 25.038 -2.557 -2.804 3.799  -0.405 SG1  KZ4 2  
KZ4 CB1  CB1  C  0 1 N N N N N N -15.820 23.893 -2.239 -2.364 2.050  -0.598 CB1  KZ4 3  
KZ4 CA1  CA1  C  0 1 N N R Y N N -15.259 22.559 -1.748 -2.217 1.405  0.781  CA1  KZ4 4  
KZ4 C1   C1   C  0 1 N N N Y N N -16.397 21.634 -1.339 -1.852 -0.048 0.621  C1   KZ4 5  
KZ4 N2   N2   N  0 1 N N N Y N N -17.710 21.824 -1.577 -0.641 -0.485 0.467  N2   KZ4 6  
KZ4 N3   N3   N  0 1 N N N Y N N -16.245 20.481 -0.668 -2.754 -1.075 0.624  N3   KZ4 7  
KZ4 C2   C2   C  0 1 N N N Y N N -17.444 19.966 -0.499 -2.080 -2.234 0.458  C2   KZ4 8  
KZ4 O2   O2   O  0 1 N N N Y N N -17.708 18.950 0.048  -2.544 -3.359 0.409  O2   KZ4 9  
KZ4 CA2  CA2  C  0 1 N N N Y N N -18.356 20.801 -1.066 -0.663 -1.847 0.352  CA2  KZ4 10 
KZ4 CA3  CA3  C  0 1 N N N Y N N -14.974 19.910 -0.245 -4.204 -0.941 0.782  CA3  KZ4 11 
KZ4 CB2  CB2  C  0 1 N N N N N N -19.654 20.556 -1.054 0.418  -2.684 0.176  CB2  KZ4 12 
KZ4 CG2  CG2  C  0 1 Y N N N N N -20.728 21.196 -1.938 1.756  -2.121 -0.020 CG2  KZ4 13 
KZ4 CD1  CD1  C  0 1 Y N N N N N -21.820 20.419 -2.302 1.962  -0.739 0.096  CD1  KZ4 14 
KZ4 CD2  CD2  C  0 1 Y N N N N N -20.671 22.525 -2.337 2.836  -2.963 -0.318 CD2  KZ4 15 
KZ4 CE1  CE1  C  0 1 Y N N N N N -22.820 20.966 -3.083 3.222  -0.217 -0.088 CE1  KZ4 16 
KZ4 CE2  CE2  C  0 1 Y N N N N N -21.679 23.066 -3.121 4.092  -2.430 -0.500 CE2  KZ4 17 
KZ4 CZ   CZ   C  0 1 Y N N N N N -22.759 22.275 -3.488 4.290  -1.058 -0.389 CZ   KZ4 18 
KZ4 OH   OH   O  0 1 N N N N N N -23.813 22.764 -4.268 5.530  -0.537 -0.570 OH   KZ4 19 
KZ4 C3   C    C  0 1 N N N Y N Y -14.941 19.539 1.236  -4.843 -0.775 -0.573 C    KZ4 20 
KZ4 O3   O    O  0 1 N N N Y N Y -14.128 18.666 1.636  -4.158 -0.770 -1.568 O    KZ4 21 
KZ4 BR   BR   BR 0 0 N N N N N N -24.358 19.930 -3.645 3.503  1.647  0.068  BR   KZ4 22 
KZ4 H    HN1  H  0 1 N N N Y Y N -14.132 21.042 -2.467 -1.089 1.730  2.473  HN1  KZ4 23 
KZ4 H2   HN2  H  0 1 N Y N Y Y N -15.084 21.747 -3.591 -0.276 2.035  1.054  HN2  KZ4 24 
KZ4 HG1  HG1  H  0 1 N N N N N N -15.074 26.104 -2.959 -2.898 4.230  -1.675 HG1  KZ4 25 
KZ4 HB11 HB11 H  0 0 N N N N N N -16.483 24.318 -1.471 -3.147 1.538  -1.157 HB11 KZ4 26 
KZ4 HB12 HB12 H  0 0 N N N N N N -16.389 23.734 -3.167 -1.420 1.970  -1.139 HB12 KZ4 27 
KZ4 HA1  HA1  H  0 1 N N N Y N N -14.615 22.742 -0.875 -3.161 1.485  1.322  HA1  KZ4 28 
KZ4 HA31 HA31 H  0 0 N N N Y N N -14.785 19.002 -0.837 -4.601 -1.834 1.264  HA31 KZ4 29 
KZ4 HA32 HA32 H  0 0 N N N Y N N -14.179 20.646 -0.438 -4.424 -0.068 1.397  HA32 KZ4 30 
KZ4 HB2  HB2  H  0 1 N N N N N N -19.996 19.821 -0.340 0.278  -3.755 0.182  HB2  KZ4 31 
KZ4 HD1  HD1  H  0 1 N N N N N N -21.887 19.392 -1.976 1.135  -0.086 0.330  HD1  KZ4 32 
KZ4 HD2  HD2  H  0 1 N N N N N N -19.837 23.141 -2.035 2.684  -4.029 -0.405 HD2  KZ4 33 
KZ4 HE2  HE2  H  0 1 N N N N N N -21.624 24.095 -3.444 4.925  -3.077 -0.730 HE2  KZ4 34 
KZ4 H1   H1   H  0 1 N N N N N N -24.450 22.073 -4.409 5.725  -0.293 -1.485 H1   KZ4 35 
KZ4 OXT  OXT  O  0 1 N Y N Y N Y -15.409 20.453 2.077  -6.174 -0.634 -0.674 OXT  KZ4 36 
KZ4 HXT  HXT  H  0 1 N Y N Y N Y -15.035 20.312 2.939  -6.539 -0.531 -1.564 HXT  KZ4 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 
KZ4 OH  CZ   SING N N 1  
KZ4 BR  CE1  SING N N 2  
KZ4 CZ  CE2  DOUB Y N 3  
KZ4 CZ  CE1  SING Y N 4  
KZ4 CE2 CD2  SING Y N 5  
KZ4 CE1 CD1  DOUB Y N 6  
KZ4 N1  CA1  SING N N 7  
KZ4 SG1 CB1  SING N N 8  
KZ4 CD2 CG2  DOUB Y N 9  
KZ4 CD1 CG2  SING Y N 10 
KZ4 CB1 CA1  SING N N 11 
KZ4 CG2 CB2  SING N N 12 
KZ4 CA1 C1   SING N N 13 
KZ4 N2  C1   DOUB N N 14 
KZ4 N2  CA2  SING N N 15 
KZ4 C1  N3   SING N N 16 
KZ4 CA2 CB2  DOUB N Z 17 
KZ4 CA2 C2   SING N N 18 
KZ4 N3  C2   SING N N 19 
KZ4 N3  CA3  SING N N 20 
KZ4 C2  O2   DOUB N N 21 
KZ4 CA3 C3   SING N N 22 
KZ4 C3  O3   DOUB N N 23 
KZ4 N1  H    SING N N 24 
KZ4 N1  H2   SING N N 25 
KZ4 SG1 HG1  SING N N 26 
KZ4 CB1 HB11 SING N N 27 
KZ4 CB1 HB12 SING N N 28 
KZ4 CA1 HA1  SING N N 29 
KZ4 CA3 HA31 SING N N 30 
KZ4 CA3 HA32 SING N N 31 
KZ4 CB2 HB2  SING N N 32 
KZ4 CD1 HD1  SING N N 33 
KZ4 CD2 HD2  SING N N 34 
KZ4 CE2 HE2  SING N N 35 
KZ4 OH  H1   SING N N 36 
KZ4 C3  OXT  SING N N 37 
KZ4 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 
KZ4 SMILES           ACDLabs              12.01 "NC(CS)C=1N(C(=O)C(N=1)=[C@H]c2cc(c(cc2)O)Br)CC(=O)O"                                                                                        
KZ4 InChI            InChI                1.03  "InChI=1S/C14H14BrN3O4S/c15-8-3-7(1-2-11(8)19)4-10-14(22)18(5-12(20)21)13(17-10)9(16)6-23/h1-4,9,19,23H,5-6,16H2,(H,20,21)/b10-4-/t9-/m0/s1" 
KZ4 InChIKey         InChI                1.03  TUXBTSGJXNQHMJ-SGRPLGENSA-N                                                                                                                  
KZ4 SMILES_CANONICAL CACTVS               3.385 "N[C@@H](CS)C1=N\C(=C/c2ccc(O)c(Br)c2)C(=O)N1CC(O)=O"                                                                                        
KZ4 SMILES           CACTVS               3.385 "N[CH](CS)C1=NC(=Cc2ccc(O)c(Br)c2)C(=O)N1CC(O)=O"                                                                                            
KZ4 SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "c1cc(c(cc1/C=C\2/C(=O)N(C(=N2)[C@H](CS)N)CC(=O)O)Br)O"                                                                                      
KZ4 SMILES           "OpenEye OEToolkits" 2.0.7 "c1cc(c(cc1C=C2C(=O)N(C(=N2)C(CS)N)CC(=O)O)Br)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 
KZ4 "SYSTEMATIC NAME" ACDLabs              12.01 "{(4Z)-2-[(1R)-1-amino-2-sulfanylethyl]-4-[(3-bromo-4-hydroxyphenyl)methylidene]-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid"             
KZ4 "SYSTEMATIC NAME" "OpenEye OEToolkits" 2.0.7 "2-[(4~{Z})-2-[(1~{R})-1-azanyl-2-sulfanyl-ethyl]-4-[(3-bromanyl-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 
KZ4 "Create component" 2019-01-25 RCSB 
KZ4 "Initial release"  2019-06-12 RCSB 
KZ4 "Modify synonyms"  2021-03-01 PDBE 
KZ4 "Modify backbone"  2023-11-03 PDBE 
# 
_pdbx_chem_comp_synonyms.ordinal      1 
_pdbx_chem_comp_synonyms.comp_id      KZ4 
_pdbx_chem_comp_synonyms.name         "CHROMOPHORE (CYS-TYR-GLY)3-Br" 
_pdbx_chem_comp_synonyms.provenance   ? 
_pdbx_chem_comp_synonyms.type         ? 
# 
