data_RC7
# 
_chem_comp.id                                    RC7 
_chem_comp.name                                  "2-[(4Z)-4-[(4-hydroxyphenyl)methylidene]-2-[(E)-2-(1H-imidazol-4-yl)ethenyl]-5-oxidanylidene-imidazol-1-yl]ethanoic acid" 
_chem_comp.type                                  "L-peptide NH3 amino terminus" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C17 H14 N4 O4" 
_chem_comp.mon_nstd_parent_comp_id               "HIS, TYR, GLY" 
_chem_comp.pdbx_synonyms                         "RED CHROMOPHORE (HIS-TYR-GLY); {(2R)-4-(4-hydroxybenzyl)-2-[2-(1H-imidazol-4-yl)ethyl]-5-oxo-2,5-dihydro-1H-imidazol-1-yl}acetic acid" 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2007-03-23 
_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                        338.317 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     RC7 
_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        2BTJ 
_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.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 
RC7 C1   C1   C 0 1 N N N Y N N -21.989 1.623  -7.436  0.857  0.608  0.409  C1   RC7 1  
RC7 N2   N2   N 0 1 N N N Y N N -21.943 2.015  -8.689  -0.435 0.390  0.337  N2   RC7 2  
RC7 CA2  CA2  C 0 1 N N N Y N N -22.544 3.232  -8.800  -1.097 1.575  0.434  CA2  RC7 3  
RC7 C2   C2   C 0 1 N N N Y N N -22.963 3.621  -7.444  -0.060 2.613  0.580  C2   RC7 4  
RC7 O2   O2   O 0 1 N N N Y N N -23.530 4.651  -7.124  -0.231 3.813  0.697  O2   RC7 5  
RC7 N3   N3   N 0 1 N N N Y N N -22.626 2.572  -6.646  1.119  1.953  0.563  N3   RC7 6  
RC7 CA3  CA3  C 0 1 N N N Y N N -22.878 2.430  -5.186  2.446  2.562  0.684  CA3  RC7 7  
RC7 C3   C    C 0 1 N N N Y N Y -22.242 3.405  -4.260  2.960  2.921  -0.686 C    RC7 8  
RC7 O3   O    O 0 1 N N N Y N Y -22.841 3.797  -3.253  2.287  2.692  -1.663 O    RC7 9  
RC7 CA1  CA1  C 0 1 N N N Y N N -21.420 0.362  -6.923  1.880  -0.433 0.340  CA1  RC7 10 
RC7 CB2  CB2  C 0 1 N N N N N N -22.808 3.949  -9.957  -2.463 1.766  0.401  CB2  RC7 11 
RC7 CG2  CG2  C 0 1 Y N N N N N -22.557 3.688  -11.382 -3.354 0.635  0.135  CG2  RC7 12 
RC7 CD1  CD1  C 0 1 Y N N N N N -23.057 4.623  -12.341 -2.834 -0.664 0.038  CD1  RC7 13 
RC7 CD2  CD2  C 0 1 Y N N N N N -21.859 2.509  -11.831 -4.732 0.845  -0.019 CD2  RC7 14 
RC7 CE1  CE1  C 0 1 Y N N N N N -22.871 4.396  -13.699 -3.674 -1.719 -0.210 CE1  RC7 15 
RC7 CE2  CE2  C 0 1 Y N N N N N -21.680 2.294  -13.209 -5.562 -0.218 -0.267 CE2  RC7 16 
RC7 CZ   CZ   C 0 1 Y N N N N N -22.191 3.238  -14.144 -5.039 -1.503 -0.367 CZ   RC7 17 
RC7 OH   OH   O 0 1 N N N N N N -22.026 3.039  -15.478 -5.865 -2.551 -0.614 OH   RC7 18 
RC7 CB1  CB1  C 0 1 N N N N N N -20.788 -0.527 -7.733  1.519  -1.726 0.188  CB1  RC7 19 
RC7 CG1  CG1  C 0 1 Y N N N N N -20.189 -1.729 -7.147  2.547  -2.773 0.119  CG1  RC7 20 
RC7 ND1  ND1  N 0 1 Y N N N N N -20.356 -2.162 -5.906  3.890  -2.586 0.196  ND1  RC7 21 
RC7 CD3  CD3  C 0 1 Y N N N N N -19.347 -2.594 -7.789  2.327  -4.114 -0.028 CD3  RC7 22 
RC7 NE1  NE1  N 0 1 Y N N N N N -19.013 -3.568 -6.890  3.551  -4.713 -0.042 NE1  RC7 23 
RC7 CE3  CE3  C 0 1 Y N N N N N -19.649 -3.280 -5.731  4.486  -3.739 0.098  CE3  RC7 24 
RC7 OXT  OXT  O 0 1 N Y N Y N Y -21.015 3.820  -4.549  4.166  3.496  -0.821 OXT  RC7 25 
RC7 HA31 HA31 H 0 0 N N N Y N N -23.965 2.500  -5.035  2.378  3.463  1.294  HA31 RC7 26 
RC7 HA32 HA32 H 0 0 N N N Y N N -22.531 1.428  -4.892  3.129  1.855  1.155  HA32 RC7 27 
RC7 HA1  HA11 H 0 0 N N N Y N N -21.509 0.139  -5.870  2.925  -0.170 0.412  HA11 RC7 28 
RC7 HB21 HB21 H 0 0 N N N N N N -23.299 4.893  -9.774  -2.875 2.750  0.571  HB21 RC7 29 
RC7 HD1  HD1  H 0 1 N N N N N N -23.580 5.508  -12.009 -1.775 -0.833 0.159  HD1  RC7 30 
RC7 HD2  HD2  H 0 1 N N N N N N -21.477 1.797  -11.115 -5.139 1.842  0.059  HD2  RC7 31 
RC7 HE1  HE1  H 0 1 N N N N N N -23.248 5.108  -14.419 -3.275 -2.720 -0.285 HE1  RC7 32 
RC7 HE2  HE2  H 0 1 N N N N N N -21.157 1.416  -13.557 -6.623 -0.057 -0.385 HE2  RC7 33 
RC7 HOH  HOH  H 0 1 N N N N N N -21.555 2.226  -15.622 -6.222 -2.967 0.183  HOH  RC7 34 
RC7 HB11 HB11 H 0 0 N N N N N N -20.728 -0.350 -8.797  0.474  -1.989 0.116  HB11 RC7 35 
RC7 HD3  HD3  H 0 1 N N N N N N -19.010 -2.521 -8.812  1.368  -4.603 -0.115 HD3  RC7 36 
RC7 HNE1 HNE1 H 0 0 N N N N N N -18.411 -4.348 -7.058  3.722  -5.663 -0.134 HNE1 RC7 37 
RC7 HE3  HE3  H 0 1 N N N N N N -19.594 -3.857 -4.820  5.555  -3.896 0.126  HE3  RC7 38 
RC7 HXT  HXT  H 0 1 N Y N Y N Y -20.720 4.427  -3.880  4.453  3.708  -1.720 HXT  RC7 39 
# 
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 
RC7 OH  CZ   SING N N 1  
RC7 CZ  CE1  DOUB Y N 2  
RC7 CZ  CE2  SING Y N 3  
RC7 CE1 CD1  SING Y N 4  
RC7 CE2 CD2  DOUB Y N 5  
RC7 CD1 CG2  DOUB Y N 6  
RC7 CD2 CG2  SING Y N 7  
RC7 CG2 CB2  SING N N 8  
RC7 CB2 CA2  DOUB N Z 9  
RC7 CA2 N2   SING N N 10 
RC7 CA2 C2   SING N N 11 
RC7 N2  C1   DOUB N N 12 
RC7 CD3 CG1  DOUB Y N 13 
RC7 CD3 NE1  SING Y N 14 
RC7 CB1 CG1  SING N N 15 
RC7 CB1 CA1  DOUB N E 16 
RC7 C2  O2   DOUB N N 17 
RC7 C2  N3   SING N N 18 
RC7 C1  CA1  SING N N 19 
RC7 C1  N3   SING N N 20 
RC7 CG1 ND1  SING Y N 21 
RC7 NE1 CE3  SING Y N 22 
RC7 N3  CA3  SING N N 23 
RC7 ND1 CE3  DOUB Y N 24 
RC7 CA3 C3   SING N N 25 
RC7 C3  O3   DOUB N N 26 
RC7 C3  OXT  SING N N 27 
RC7 CA3 HA31 SING N N 28 
RC7 CA3 HA32 SING N N 29 
RC7 CA1 HA1  SING N N 30 
RC7 CB2 HB21 SING N N 31 
RC7 CD1 HD1  SING N N 32 
RC7 CD2 HD2  SING N N 33 
RC7 CE1 HE1  SING N N 34 
RC7 CE2 HE2  SING N N 35 
RC7 OH  HOH  SING N N 36 
RC7 CB1 HB11 SING N N 37 
RC7 CD3 HD3  SING N N 38 
RC7 NE1 HNE1 SING N N 39 
RC7 CE3 HE3  SING N N 40 
RC7 OXT HXT  SING N N 41 
# 
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 
RC7 InChI            InChI                1.03  "InChI=1S/C17H14N4O4/c22-13-4-1-11(2-5-13)7-14-17(25)21(9-16(23)24)15(20-14)6-3-12-8-18-10-19-12/h1-8,10,22H,9H2,(H,18,19)(H,23,24)/b6-3+,14-7-" 
RC7 InChIKey         InChI                1.03  STRYMBWJHWRMBE-PJTBNZIESA-N                                                                                                                      
RC7 SMILES_CANONICAL CACTVS               3.385 "OC(=O)CN1C(=O)C(=C/c2ccc(O)cc2)/N=C1/C=C/c3c[nH]cn3"                                                                                            
RC7 SMILES           CACTVS               3.385 "OC(=O)CN1C(=O)C(=Cc2ccc(O)cc2)N=C1C=Cc3c[nH]cn3"                                                                                                
RC7 SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "c1cc(ccc1/C=C\2/C(=O)N(C(=N2)/C=C/c3c[nH]cn3)CC(=O)O)O"                                                                                         
RC7 SMILES           "OpenEye OEToolkits" 2.0.7 "c1cc(ccc1C=C2C(=O)N(C(=N2)C=Cc3c[nH]cn3)CC(=O)O)O"                                                                                              
# 
_pdbx_chem_comp_identifier.comp_id           RC7 
_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-[(4~{Z})-4-[(4-hydroxyphenyl)methylidene]-2-[(~{E})-2-(1~{H}-imidazol-4-yl)ethenyl]-5-oxidanylidene-imidazol-1-yl]ethanoic acid" 
# 
loop_
_pdbx_chem_comp_synonyms.ordinal 
_pdbx_chem_comp_synonyms.comp_id 
_pdbx_chem_comp_synonyms.name 
_pdbx_chem_comp_synonyms.provenance 
_pdbx_chem_comp_synonyms.type 
1 RC7 "RED CHROMOPHORE (HIS-TYR-GLY)"                                                                          PDB ? 
2 RC7 "{(2R)-4-(4-hydroxybenzyl)-2-[2-(1H-imidazol-4-yl)ethyl]-5-oxo-2,5-dihydro-1H-imidazol-1-yl}acetic acid" PDB ? 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
RC7 "Create component"     2007-03-23 RCSB 
RC7 "Modify aromatic_flag" 2011-06-04 RCSB 
RC7 "Modify descriptor"    2011-06-04 RCSB 
RC7 "Modify synonyms"      2020-06-05 PDBE 
RC7 "Modify coordinates"   2021-08-21 PDBE 
RC7 "Modify linking type"  2021-08-21 PDBE 
RC7 "Modify backbone"      2023-11-03 PDBE 
# 
