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 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 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.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 CR8 C11 C1 C 0 1 N N N N N N 25.247 4.293 12.723 3.751 -1.424 -0.604 C1 CR8 1 CR8 C12 C2 C 0 1 N N N 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 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 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 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 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 N N N 26.265 4.967 8.601 0.750 0.862 -2.413 C8 CR8 7 CR8 CA2 C9 C 0 1 Y N N 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 N N N 22.633 -1.940 4.342 -1.021 -0.055 3.375 C10 CR8 9 CR8 O13 O3 O 0 1 N N N 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 N N N 22.217 -2.256 5.538 -0.624 1.175 3.618 N11 CR8 11 CR8 C2 C12 C 0 1 Y N N Y N N 26.649 4.672 6.108 0.237 3.189 -1.637 C12 CR8 12 CR8 N3 N13 N 0 1 Y N N Y N N 26.425 3.613 5.285 -0.804 3.681 -0.900 N13 CR8 13 CR8 C1 C14 C 0 1 Y N N Y N N 25.737 2.644 5.993 -1.626 2.630 -0.601 C14 CR8 14 CR8 N2 N15 N 0 1 Y N N 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 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 N 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 N 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 N N N 22.733 -1.396 6.427 -1.391 1.959 2.792 C23 CR8 19 CR8 O2 O25 O -1 1 N N N Y N N 27.224 5.721 5.835 1.106 3.952 -2.021 O25 CR8 20 CR8 N1 N N 0 1 N N N Y Y N 26.403 0.438 5.137 -4.024 3.181 -0.649 N CR8 21 CR8 CA1 C16 C 0 1 N N S Y N N 25.241 1.320 5.398 -2.863 2.795 0.192 C16 CR8 22 CR8 C3 C C 0 1 N N N Y N Y 26.331 4.540 2.938 -0.408 5.362 0.844 C CR8 23 CR8 CA3 C17 C 0 1 N N N Y 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 Y N Y 27.022 4.956 2.030 -0.657 6.653 1.183 OXT CR8 25 CR8 O3 O19 O 0 1 N N N Y N Y ? ? ? 0.233 4.590 1.541 O19 CR8 26 CR8 H12 H2 H 0 1 N N N N N 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 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 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 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 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 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 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 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 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 N N N 22.562 -1.411 7.493 -1.278 3.034 2.779 H23 CR8 36 CR8 H H1 H 0 1 N N N Y Y N 26.458 0.239 4.158 -4.122 2.715 -1.512 H1 CR8 37 CR8 H2 H2A H 0 1 N Y N Y Y N 27.242 0.896 5.432 -4.501 4.006 -0.397 H2A CR8 38 CR8 HA1 H16 H 0 1 N N N Y N N 24.709 1.511 4.454 -2.752 3.636 0.910 H16 CR8 39 CR8 HA31 H171 H 0 0 N N N Y N N 27.947 3.561 3.859 -2.118 5.207 -0.432 H171 CR8 40 CR8 HA32 H172 H 0 0 N N N Y 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 Y N Y 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 C11 C12 SING N N 1 CR8 C11 C4 SING N N 2 CR8 C11 O13 DOUB N N 3 CR8 C12 C6 DOUB N N 4 CR8 C12 H12 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 CA2 SING N N 13 CR8 C8 H8 SING N N 14 CR8 CA2 C2 DOUB Y N 15 CR8 CA2 N2 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 C2 N3 SING Y N 21 CR8 C2 O2 SING N N 22 CR8 N3 C1 SING Y N 23 CR8 N3 CA3 SING N N 24 CR8 C1 N2 DOUB Y N 25 CR8 C1 CA1 SING N N 26 CR8 C20 C21 SING N N 27 CR8 C20 CA1 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 N1 CA1 SING N N 35 CR8 N1 H SING N N 36 CR8 N1 H2 SING N N 37 CR8 CA1 HA1 SING N N 38 CR8 C3 CA3 SING N N 39 CR8 C3 O3 DOUB N N 40 CR8 C3 OXT SING N N 41 CR8 CA3 HA31 SING N N 42 CR8 CA3 HA32 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 CR8 "Modify backbone" 2023-11-03 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 ? #