data_KZG
# 
_chem_comp.id                                    KZG 
_chem_comp.name                                  
;{(4Z)-2-[(1R)-1-amino-2-sulfanylethyl]-4-[(4-hydroxy-3-iodophenyl)methylidene]-5-oxo-4,5-dihydro-1H-imidazol-1-yl}aceti
c acid
;
_chem_comp.type                                  "L-peptide linking" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C14 H14 I N3 O4 S" 
_chem_comp.mon_nstd_parent_comp_id               "CYS, TYR, GLY" 
_chem_comp.pdbx_synonyms                         "CHROMOPHORE (CYS-TYR-GLY)3-I" 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2019-01-28 
_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                        447.248 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     KZG 
_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        6NQO 
_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 
KZG N1   N    N 0 1 N N N Y Y N -13.874 -22.372 2.516  -1.350 2.011  1.544  N   KZG 1  
KZG SG1  SG1  S 0 1 N N N N N N -13.939 -25.445 2.387  -2.803 3.871  -0.404 SG1 KZG 2  
KZG CB1  CB1  C 0 1 N N N N N N -15.292 -24.312 1.959  -2.539 2.086  -0.596 CB1 KZG 3  
KZG CA1  CA1  C 0 1 N N R Y N N -14.705 -22.985 1.465  -2.466 1.430  0.784  CA1 KZG 4  
KZG C1   C1   C 0 1 N N N Y N N -15.817 -22.036 1.091  -2.247 -0.052 0.625  C1  KZG 5  
KZG N2   N2   N 0 1 N N N Y N N -17.074 -22.225 1.359  -1.085 -0.607 0.473  N2  KZG 6  
KZG N3   N3   N 0 1 N N N Y N N -15.615 -20.858 0.425  -3.246 -0.984 0.629  N3  KZG 7  
KZG C2   C2   C 0 1 N N N Y N N -16.815 -20.272 0.251  -2.691 -2.205 0.470  C2  KZG 8  
KZG O2   O2   O 0 1 N N N Y N N -17.051 -19.213 -0.294 -3.265 -3.278 0.423  O2  KZG 9  
KZG CA2  CA2  C 0 1 N N N Y N N -17.792 -21.164 0.885  -1.242 -1.961 0.359  CA2 KZG 10 
KZG CA3  CA3  C 0 1 N N N Y N N -14.323 -20.332 -0.022 -4.677 -0.706 0.781  CA3 KZG 11 
KZG CB2  CB2  C 0 1 N N N N N N -19.147 -20.913 0.913  -0.251 -2.901 0.184  CB2 KZG 12 
KZG CG2  CG2  C 0 1 Y N N N N N -20.189 -21.527 1.748  1.135  -2.475 -0.023 CG2 KZG 13 
KZG CD1  CD1  C 0 1 Y N N N N N -21.305 -20.748 2.095  1.477  -1.119 0.080  CD1 KZG 14 
KZG CD2  CD2  C 0 1 Y N N N N N -20.122 -22.861 2.178  2.126  -3.422 -0.320 CD2 KZG 15 
KZG CE1  CE1  C 0 1 Y N N N N N -22.318 -21.278 2.843  2.783  -0.727 -0.115 CE1 KZG 16 
KZG CE2  CE2  C 0 1 Y N N N N N -21.143 -23.382 2.939  3.417  -3.021 -0.512 CE2 KZG 17 
KZG CZ   CZ   C 0 1 Y N N N N N -22.246 -22.596 3.265  3.756  -1.676 -0.414 CZ  KZG 18 
KZG OH   OH   O 0 1 N N N N N N -23.265 -23.106 3.997  5.042  -1.287 -0.607 OH  KZG 19 
KZG C3   C    C 0 1 N N N Y N Y -14.306 -19.953 -1.477 -5.291 -0.483 -0.577 C   KZG 20 
KZG O3   O    O 0 1 N N N Y N Y -13.622 -19.017 -1.825 -4.605 -0.549 -1.569 O   KZG 21 
KZG I    I    I 0 1 N N N N N N -23.986 -20.113 3.351  3.303  1.296  0.037  I   KZG 22 
KZG H    HN1  H 0 1 N N N Y Y N -13.136 -22.999 2.766  -1.320 1.641  2.482  HN1 KZG 23 
KZG H2   HN2  H 0 1 N Y N Y Y N -13.484 -21.517 2.176  -0.473 1.863  1.068  HN2 KZG 24 
KZG HG1  HG1  H 0 1 N N N N N N -14.586 -26.502 2.780  -2.846 4.308  -1.675 H4  KZG 25 
KZG HB11 HB11 H 0 0 N N N N N N -15.914 -24.130 2.848  -3.367 1.655  -1.159 H5  KZG 26 
KZG HB12 HB12 H 0 0 N N N N N N -15.908 -24.759 1.165  -1.606 1.912  -1.131 H6  KZG 27 
KZG HA1  HA1  H 0 1 N N N Y N N -14.087 -23.181 0.576  -3.399 1.604  1.320  H7  KZG 28 
KZG HA31 HA31 H 0 0 N N N Y N N -13.555 -21.101 0.147  -5.162 -1.553 1.265  H9  KZG 29 
KZG HA32 HA32 H 0 0 N N N Y N N -14.085 -19.439 0.574  -4.811 0.187  1.391  H10 KZG 30 
KZG HB2  HB2  H 0 1 N N N N N N -19.492 -20.157 0.223  -0.496 -3.953 0.199  H12 KZG 31 
KZG HD1  HD1  H 0 1 N N N N N N -21.363 -19.720 1.767  0.720  -0.385 0.312  H13 KZG 32 
KZG HD2  HD2  H 0 1 N N N N N N -19.274 -23.475 1.913  1.868  -4.468 -0.396 H14 KZG 33 
KZG HE2  HE2  H 0 1 N N N N N N -21.089 -24.404 3.285  4.179  -3.752 -0.740 H15 KZG 34 
KZG H1   H1   H 0 1 N N N N N N -23.078 -24.012 4.213  5.576  -1.280 0.199  H16 KZG 35 
KZG OXT  OXT  O 0 1 N Y N Y N Y -14.758 -20.889 -2.302 -6.601 -0.210 -0.684 OXT KZG 36 
KZG HXT  HXT  H 0 1 N Y N Y N Y -14.461 -20.703 -3.185 -6.950 -0.075 -1.576 HXT KZG 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 
KZG O3  C3   DOUB N N 1  
KZG C3  CA3  SING N N 2  
KZG O2  C2   DOUB N N 3  
KZG CA3 N3   SING N N 4  
KZG C2  N3   SING N N 5  
KZG C2  CA2  SING N N 6  
KZG N3  C1   SING N N 7  
KZG CA2 CB2  DOUB N Z 8  
KZG CA2 N2   SING N N 9  
KZG CB2 CG2  SING N N 10 
KZG C1  N2   DOUB N N 11 
KZG C1  CA1  SING N N 12 
KZG CA1 CB1  SING N N 13 
KZG CA1 N1   SING N N 14 
KZG CG2 CD1  DOUB Y N 15 
KZG CG2 CD2  SING Y N 16 
KZG CB1 SG1  SING N N 17 
KZG CD1 CE1  SING Y N 18 
KZG CD2 CE2  DOUB Y N 19 
KZG CE1 CZ   DOUB Y N 20 
KZG CE1 I    SING N N 21 
KZG CE2 CZ   SING Y N 22 
KZG CZ  OH   SING N N 23 
KZG N1  H    SING N N 24 
KZG N1  H2   SING N N 25 
KZG SG1 HG1  SING N N 26 
KZG CB1 HB11 SING N N 27 
KZG CB1 HB12 SING N N 28 
KZG CA1 HA1  SING N N 29 
KZG CA3 HA31 SING N N 30 
KZG CA3 HA32 SING N N 31 
KZG CB2 HB2  SING N N 32 
KZG CD1 HD1  SING N N 33 
KZG CD2 HD2  SING N N 34 
KZG CE2 HE2  SING N N 35 
KZG OH  H1   SING N N 36 
KZG C3  OXT  SING N N 37 
KZG 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 
KZG SMILES           ACDLabs              12.01 "NC(CS)C1=N/C(C(N1CC(O)=O)=O)=C\c2cc(c(cc2)O)I"                                                                                             
KZG InChI            InChI                1.03  "InChI=1S/C14H14IN3O4S/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" 
KZG InChIKey         InChI                1.03  UESGSZPXJWVZOG-SGRPLGENSA-N                                                                                                                 
KZG SMILES_CANONICAL CACTVS               3.385 "N[C@@H](CS)C1=N\C(=C/c2ccc(O)c(I)c2)C(=O)N1CC(O)=O"                                                                                        
KZG SMILES           CACTVS               3.385 "N[CH](CS)C1=NC(=Cc2ccc(O)c(I)c2)C(=O)N1CC(O)=O"                                                                                            
KZG 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)I)O"                                                                                      
KZG SMILES           "OpenEye OEToolkits" 2.0.7 "c1cc(c(cc1C=C2C(=O)N(C(=N2)C(CS)N)CC(=O)O)I)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 
KZG "SYSTEMATIC NAME" ACDLabs              12.01 "{(4Z)-2-[(1R)-1-amino-2-sulfanylethyl]-4-[(4-hydroxy-3-iodophenyl)methylidene]-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid"             
KZG "SYSTEMATIC NAME" "OpenEye OEToolkits" 2.0.7 "2-[(4~{Z})-2-[(1~{R})-1-azanyl-2-sulfanyl-ethyl]-4-[(3-iodanyl-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 
KZG "Create component" 2019-01-28 RCSB 
KZG "Initial release"  2019-06-12 RCSB 
KZG "Modify synonyms"  2020-06-05 PDBE 
KZG "Modify backbone"  2023-11-03 PDBE 
KZG "Modify PCM"       2024-09-27 PDBE 
# 
_pdbx_chem_comp_synonyms.ordinal      1 
_pdbx_chem_comp_synonyms.comp_id      KZG 
_pdbx_chem_comp_synonyms.name         "CHROMOPHORE (CYS-TYR-GLY)3-I" 
_pdbx_chem_comp_synonyms.provenance   ? 
_pdbx_chem_comp_synonyms.type         ? 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            KZG 
_pdbx_chem_comp_pcm.modified_residue_id                "CYS, TYR, GLY" 
_pdbx_chem_comp_pcm.type                               None 
_pdbx_chem_comp_pcm.category                           Chromophore/chromophore-like 
_pdbx_chem_comp_pcm.position                           "Amino-acid side chain and backbone" 
_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      ? 
# 
