data_CR8
#

_chem_comp.id                                   CR8
_chem_comp.name                                 "2-[1-AMINO-2-(1H-IMIDAZOL-5-YL)ETHYL]-1-(CARBOXYMETHYL)-4-[(4-OXOCYCLOHEXA-2,5-DIEN-1-YLIDENE)METHYL]-1H-IMIDAZOL-5-OLATE"
_chem_comp.type                                 "L-PEPTIDE LINKING"
_chem_comp.pdbx_type                            ATOMP
_chem_comp.formula                              "C17 H16 N5 O4"
_chem_comp.mon_nstd_parent_comp_id              "HIS, TYR, GLY"
_chem_comp.pdbx_synonyms                        "CHROMOPHORE (HIS-TYR-GLY)"
_chem_comp.pdbx_formal_charge                   -1
_chem_comp.pdbx_initial_date                    2005-06-14
_chem_comp.pdbx_modified_date                   2021-03-01
_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                       354.340
_chem_comp.one_letter_code                      HYG
_chem_comp.three_letter_code                    CR8
_chem_comp.pdbx_model_coordinates_details       ?
_chem_comp.pdbx_model_coordinates_missing_flag  Y
_chem_comp.pdbx_ideal_coordinates_details       Corina
_chem_comp.pdbx_ideal_coordinates_missing_flag  N
_chem_comp.pdbx_model_coordinates_db_code       1ZUX
_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.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
CR8  C1    C1    C   0  1  N  N  N  25.247   4.293  12.723   3.751  -1.424  -0.604  C1    CR8   1  
CR8  C2    C2    C   0  1  N  N  N  26.049   5.394  12.349   2.986  -0.409   0.170  C2    CR8   2  
CR8  C4    C4    C   0  1  N  N  N  24.755   3.389  11.734   3.412  -1.600  -2.042  C4    CR8   3  
CR8  C5    C5    C   0  1  N  N  N  25.072   3.592  10.383   2.449  -0.861  -2.606  C5    CR8   4  
CR8  C6    C6    C   0  1  N  N  N  26.369   5.605  11.010   2.028   0.314  -0.425  C6    CR8   5  
CR8  C7    C7    C   0  1  N  N  N  25.886   4.710  10.003   1.713   0.128  -1.832  C7    CR8   6  
CR8  C8    C8    C   0  1  N  N  N  26.265   4.967   8.601   0.750   0.862  -2.413  C8    CR8   7  
CR8  C9    C9    C   0  1  Y  N  N  26.120   4.259   7.421  -0.026   1.854  -1.739  C9    CR8   8  
CR8  C10   C10   C   0  1  Y  N  N  22.633  -1.940   4.342  -1.021  -0.055   3.375  C10   CR8   9  
CR8  O3    O3    O   0  1  N  N  N  24.946   4.105  14.025   4.630  -2.094  -0.073  O3    CR8  10  
CR8  N11   N11   N   0  1  Y  N  N  22.217  -2.256   5.538  -0.624   1.175   3.618  N11   CR8  11  
CR8  C12   C12   C   0  1  Y  N  N  26.649   4.672   6.108   0.237   3.189  -1.637  C12   CR8  12  
CR8  N13   N13   N   0  1  Y  N  N  26.425   3.613   5.285  -0.804   3.681  -0.900  N13   CR8  13  
CR8  C14   C14   C   0  1  Y  N  N  25.737   2.644   5.993  -1.626   2.630  -0.601  C14   CR8  14  
CR8  N15   N15   N   0  1  Y  N  N  25.546   3.021   7.231  -1.177   1.501  -1.100  N15   CR8  15  
CR8  C20   C20   C   0  1  N  N  N  24.275   0.639   6.390  -3.265   1.543   1.034  C20   CR8  16  
CR8  C21   C21   C   0  1  Y  N  N  23.502  -0.509   5.762  -2.228   1.185   2.074  C21   CR8  17  
CR8  N22   N22   N   0  1  Y  N  N  23.436  -0.855   4.432  -2.008  -0.092   2.429  N22   CR8  18  
CR8  C23   C23   C   0  1  Y  N  N  22.733  -1.396   6.427  -1.391   1.959   2.792  C23   CR8  19  
CR8  O25   O25   O  -1  1  N  N  N  27.224   5.721   5.835   1.106   3.952  -2.021  O25   CR8  20  
CR8  N     N     N   0  1  N  N  N  26.403   0.438   5.137  -4.024   3.181  -0.649  N     CR8  21  
CR8  C16   C16   C   0  1  N  N  S  25.241   1.320   5.398  -2.863   2.795   0.192  C16   CR8  22  
CR8  C     C     C   0  1  N  N  N  26.331   4.540   2.938  -0.408   5.362   0.844  C     CR8  23  
CR8  C17   C17   C   0  1  N  N  N  26.849   3.497   3.875  -1.036   5.052  -0.487  C17   CR8  24  
CR8  OXT   OXT   O   0  1  N  Y  N  27.022   4.956   2.030  -0.657   6.653   1.183  OXT   CR8  25  
CR8  O19   O19   O   0  1  N  N  N       ?       ?       ?   0.233   4.590   1.541  O19   CR8  26  
CR8  H2    H2    H   0  1  N  Y  N  26.415   6.074  13.104   3.228  -0.278   1.218  H2    CR8  27  
CR8  H4    H4    H   0  1  N  N  N  24.140   2.550  12.025   3.966  -2.339  -2.609  H4    CR8  28  
CR8  H5    H5    H   0  1  N  N  N  24.704   2.909   9.632   2.210  -0.997  -3.656  H5    CR8  29  
CR8  H6    H6    H   0  1  N  N  N  26.984   6.447  10.730   1.476   1.053   0.149  H6    CR8  30  
CR8  H8    H8    H   0  1  N  N  N  26.765   5.915   8.466   0.536   0.661  -3.459  H8    CR8  31  
CR8  H10   H10   H   0  1  N  N  N  22.378  -2.459   3.430  -0.640  -0.951   3.843  H10   CR8  32  
CR8  H201  H201  H   0  0  N  N  N  23.554   1.391   6.744  -4.218   1.706   1.558  H201  CR8  33  
CR8  H202  H202  H   0  0  N  N  N  24.877   0.226   7.212  -3.440   0.681   0.376  H202  CR8  34  
CR8  H22   H22   H   0  1  N  N  N  23.895  -0.392   3.674  -2.468  -0.923   2.080  H22   CR8  35  
CR8  H23   H23   H   0  1  N  N  N  22.562  -1.411   7.493  -1.278   3.034   2.779  H23   CR8  36  
CR8  H1    H1    H   0  1  N  N  N  26.458   0.239   4.158  -4.122   2.715  -1.512  H1    CR8  37  
CR8  H2A   H2A   H   0  1  N  Y  N  27.242   0.896   5.432  -4.501   4.006  -0.397  H2A   CR8  38  
CR8  H16   H16   H   0  1  N  N  N  24.709   1.511   4.454  -2.752   3.636   0.910  H16   CR8  39  
CR8  H171  H171  H   0  0  N  N  N  27.947   3.561   3.859  -2.118   5.207  -0.432  H171  CR8  40  
CR8  H172  H172  H   0  0  N  N  N  26.432   2.544   3.517  -0.616   5.708  -1.257  H172  CR8  41  
CR8  HXT   HXT   H   0  1  N  Y  N  27.807   4.638   2.460  -0.262   6.886   2.050  HXT   CR8  42  
#   #
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
CR8  C1   C2    SING  N  N   1  
CR8  C1   C4    SING  N  N   2  
CR8  C1   O3    DOUB  N  N   3  
CR8  C2   C6    DOUB  N  N   4  
CR8  C2   H2    SING  N  N   5  
CR8  C4   C5    DOUB  N  N   6  
CR8  C4   H4    SING  N  N   7  
CR8  C5   C7    SING  N  N   8  
CR8  C5   H5    SING  N  N   9  
CR8  C6   C7    SING  N  N  10  
CR8  C6   H6    SING  N  N  11  
CR8  C7   C8    DOUB  N  N  12  
CR8  C8   C9    SING  N  N  13  
CR8  C8   H8    SING  N  N  14  
CR8  C9   C12   DOUB  Y  N  15  
CR8  C9   N15   SING  Y  N  16  
CR8  C10  N11   DOUB  Y  N  17  
CR8  C10  N22   SING  Y  N  18  
CR8  C10  H10   SING  N  N  19  
CR8  N11  C23   SING  Y  N  20  
CR8  C12  N13   SING  Y  N  21  
CR8  C12  O25   SING  N  N  22  
CR8  N13  C14   SING  Y  N  23  
CR8  N13  C17   SING  N  N  24  
CR8  C14  N15   DOUB  Y  N  25  
CR8  C14  C16   SING  N  N  26  
CR8  C20  C21   SING  N  N  27  
CR8  C20  C16   SING  N  N  28  
CR8  C20  H201  SING  N  N  29  
CR8  C20  H202  SING  N  N  30  
CR8  C21  N22   SING  Y  N  31  
CR8  C21  C23   DOUB  Y  N  32  
CR8  N22  H22   SING  N  N  33  
CR8  C23  H23   SING  N  N  34  
CR8  N    C16   SING  N  N  35  
CR8  N    H1    SING  N  N  36  
CR8  N    H2A   SING  N  N  37  
CR8  C16  H16   SING  N  N  38  
CR8  C    C17   SING  N  N  39  
CR8  C    O19   DOUB  N  N  40  
CR8  C    OXT   SING  N  N  41  
CR8  C17  H171  SING  N  N  42  
CR8  C17  H172  SING  N  N  43  
CR8  OXT  HXT   SING  N  N  44  
#   #
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
CR8  SMILES            ACDLabs               10.04  "O=C1C=C/C(C=C1)=C\c2nc(n(c2[O-])CC(=O)O)C(N)Cc3cncn3"  
CR8  SMILES_CANONICAL  CACTVS                3.341  "N[C@@H](Cc1[nH]cnc1)c2nc(C=C3C=CC(=O)C=C3)c([O-])n2CC(O)=O"  
CR8  SMILES            CACTVS                3.341  "N[CH](Cc1[nH]cnc1)c2nc(C=C3C=CC(=O)C=C3)c([O-])n2CC(O)=O"  
CR8  SMILES_CANONICAL  "OpenEye OEToolkits"  1.5.0  "c1c([nH]cn1)C[C@@H](c2nc(c(n2CC(=O)O)[O-])C=C3C=CC(=O)C=C3)N"  
CR8  SMILES            "OpenEye OEToolkits"  1.5.0  "c1c([nH]cn1)CC(c2nc(c(n2CC(=O)O)[O-])C=C3C=CC(=O)C=C3)N"  
CR8  InChI             InChI                 1.03   "InChI=1S/C17H17N5O4/c18-13(6-11-7-19-9-20-11)16-21-14(17(26)22(16)8-15(24)25)5-10-1-3-12(23)4-2-10/h1-5,7,9,13,26H,6,8,18H2,(H,19,20)(H,24,25)/p-1/t13-/m0/s1"  
CR8  InChIKey          InChI                 1.03   XQYFXZGKDDMSCJ-ZDUSSCGKSA-M  
#   #
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
CR8  "SYSTEMATIC NAME"  ACDLabs               10.04  "2-[(1S)-1-amino-2-(1H-imidazol-5-yl)ethyl]-1-(carboxymethyl)-4-[(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-1H-imidazol-5-olate"  
CR8  "SYSTEMATIC NAME"  "OpenEye OEToolkits"  1.5.0  "2-[(1S)-1-amino-2-(3H-imidazol-4-yl)ethyl]-3-(carboxymethyl)-5-[(4-oxo-1-cyclohexa-2,5-dienylidene)methyl]imidazol-4-olate"  
#   #
loop_
_pdbx_chem_comp_audit.comp_id
_pdbx_chem_comp_audit.action_type
_pdbx_chem_comp_audit.date
_pdbx_chem_comp_audit.processing_site
CR8  "Create component"   2005-06-14  RCSB  
CR8  "Modify descriptor"  2011-06-04  RCSB  
CR8  "Modify synonyms"    2021-03-01  PDBE  
#
_pdbx_chem_comp_synonyms.ordinal     1
_pdbx_chem_comp_synonyms.comp_id     CR8
_pdbx_chem_comp_synonyms.name        "CHROMOPHORE (HIS-TYR-GLY)"
_pdbx_chem_comp_synonyms.provenance  ?
_pdbx_chem_comp_synonyms.type        ?
##
