data_A1KEX # _chem_comp.id A1KEX _chem_comp.name "(7~{R})-2-azanyl-8-cyclopentyl-5,7-dimethyl-7~{H}-pteridin-6-one" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C13 H19 N5 O" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2026-07-23 _chem_comp.pdbx_modified_date 2026-07-31 _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 261.323 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1KEX _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 32SB _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBE _chem_comp.pdbx_pcm ? # 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_n_terminal_atom_flag _chem_comp_atom.pdbx_backbone_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 A1KEX N3 N1 N 0 1 N N N N N N 12.140 -6.359 -1.479 -0.430 0.487 -1.221 N3 A1KEX 1 A1KEX C5 C1 C 0 1 N N N N N N 13.428 -4.729 -0.009 -1.819 -1.282 -0.276 C5 A1KEX 2 A1KEX C7 C2 C 0 1 N N R N N N 13.509 -5.877 -0.994 -1.513 -0.460 -1.502 C7 A1KEX 3 A1KEX C8 C3 C 0 1 Y N N N N N 8.915 -6.878 0.064 2.942 -0.328 -0.364 C8 A1KEX 4 A1KEX C15 C4 C 0 1 N N N N N N 14.287 -7.022 -0.358 -2.766 0.313 -1.919 C15 A1KEX 5 A1KEX C17 C5 C 0 1 N N N N N N 12.905 -6.732 -3.994 -1.187 1.113 1.056 C17 A1KEX 6 A1KEX C18 C6 C 0 1 N N N N N N 13.032 -8.002 -4.800 -1.069 2.417 1.884 C18 A1KEX 7 A1KEX C1 C7 C 0 1 Y N N N N N 11.032 -6.247 -0.578 0.665 -0.131 -0.645 C1 A1KEX 8 A1KEX C2 C8 C 0 1 Y N N N N N 11.174 -5.444 0.629 0.486 -1.194 0.249 C2 A1KEX 9 A1KEX C16 C9 C 0 1 N N N N N N 12.013 -8.652 -2.694 0.201 2.661 -0.221 C16 A1KEX 10 A1KEX N13 N2 N 0 1 N N N N N N 7.791 -7.535 -0.230 4.217 0.114 -0.678 N13 A1KEX 11 A1KEX C9 C10 C 0 1 Y N N N N N 10.079 -5.518 1.479 1.599 -1.789 0.812 C9 A1KEX 12 A1KEX N10 N3 N 0 1 Y N N N N N 8.958 -6.209 1.242 2.802 -1.334 0.485 N10 A1KEX 13 A1KEX C12 C11 C 0 1 N N N N N N 12.019 -7.124 -2.811 -0.906 1.599 -0.388 C12 A1KEX 14 A1KEX C19 C12 C 0 1 N N N N N N 12.937 -9.131 -3.804 0.097 3.181 1.224 C19 A1KEX 15 A1KEX C14 C13 C 0 1 N N N N N N 12.184 -3.460 1.752 -1.066 -2.458 1.739 C14 A1KEX 16 A1KEX N6 N4 N 0 1 Y N N N N N 9.907 -6.930 -0.851 1.899 0.269 -0.924 N6 A1KEX 17 A1KEX O11 O1 O 0 1 N N N N N N 14.384 -3.979 0.090 -2.958 -1.623 -0.036 O11 A1KEX 18 A1KEX N4 N5 N 0 1 N N N N N N 12.258 -4.547 0.771 -0.811 -1.635 0.553 N4 A1KEX 19 A1KEX H1 H1 H 0 1 N N N N N N 14.074 -5.532 -1.872 -1.212 -1.123 -2.313 H1 A1KEX 20 A1KEX H2 H2 H 0 1 N N N N N N 15.266 -6.655 -0.017 -2.520 0.990 -2.737 H2 A1KEX 21 A1KEX H3 H3 H 0 1 N N N N N N 13.723 -7.416 0.501 -3.534 -0.389 -2.247 H3 A1KEX 22 A1KEX H4 H4 H 0 1 N N N N N N 14.433 -7.822 -1.099 -3.138 0.887 -1.071 H4 A1KEX 23 A1KEX H5 H5 H 0 1 N N N N N N 13.891 -6.391 -3.646 -0.439 0.386 1.371 H5 A1KEX 24 A1KEX H6 H6 H 0 1 N N N N N N 12.431 -5.938 -4.590 -2.189 0.692 1.133 H6 A1KEX 25 A1KEX H7 H7 H 0 1 N N N N N N 12.218 -8.071 -5.537 -1.990 2.996 1.818 H7 A1KEX 26 A1KEX H8 H8 H 0 1 N N N N N N 14.001 -8.030 -5.320 -0.835 2.188 2.924 H8 A1KEX 27 A1KEX H9 H9 H 0 1 N N N N N N 10.997 -9.048 -2.838 1.179 2.210 -0.386 H9 A1KEX 28 A1KEX H10 H10 H 0 1 N N N N N N 12.393 -8.967 -1.711 0.043 3.478 -0.925 H10 A1KEX 29 A1KEX H11 H11 H 0 1 N N N N N N 7.885 -7.974 -1.124 4.991 -0.312 -0.276 H11 A1KEX 30 A1KEX H12 H12 H 0 1 N N N N N N 7.620 -8.231 0.467 4.337 0.850 -1.298 H12 A1KEX 31 A1KEX H13 H13 H 0 1 N N N N N N 10.137 -4.972 2.409 1.491 -2.611 1.505 H13 A1KEX 32 A1KEX H14 H14 H 0 1 N N N N N N 11.002 -6.885 -3.156 -1.801 2.046 -0.821 H14 A1KEX 33 A1KEX H15 H15 H 0 1 N N N N N N 12.520 -10.028 -4.285 -0.111 4.251 1.221 H15 A1KEX 34 A1KEX H16 H16 H 0 1 N N N N N N 13.932 -9.363 -3.396 1.025 2.982 1.760 H16 A1KEX 35 A1KEX H17 H17 H 0 1 N N N N N N 11.205 -3.483 2.253 -2.128 -2.694 1.795 H17 A1KEX 36 A1KEX H18 H18 H 0 1 N N N N N N 12.981 -3.586 2.500 -0.492 -3.382 1.670 H18 A1KEX 37 A1KEX H19 H19 H 0 1 N N N N N N 12.311 -2.495 1.240 -0.767 -1.910 2.632 H19 A1KEX 38 # 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 A1KEX C18 C17 SING N N 1 A1KEX C18 C19 SING N N 2 A1KEX C17 C12 SING N N 3 A1KEX C19 C16 SING N N 4 A1KEX C12 C16 SING N N 5 A1KEX C12 N3 SING N N 6 A1KEX N3 C7 SING N N 7 A1KEX N3 C1 SING N N 8 A1KEX C7 C15 SING N N 9 A1KEX C7 C5 SING N N 10 A1KEX N6 C1 DOUB Y N 11 A1KEX N6 C8 SING Y N 12 A1KEX C1 C2 SING Y N 13 A1KEX N13 C8 SING N N 14 A1KEX C5 O11 DOUB N N 15 A1KEX C5 N4 SING N N 16 A1KEX C8 N10 DOUB Y N 17 A1KEX C2 N4 SING N N 18 A1KEX C2 C9 DOUB Y N 19 A1KEX N4 C14 SING N N 20 A1KEX N10 C9 SING Y N 21 A1KEX C7 H1 SING N N 22 A1KEX C15 H2 SING N N 23 A1KEX C15 H3 SING N N 24 A1KEX C15 H4 SING N N 25 A1KEX C17 H5 SING N N 26 A1KEX C17 H6 SING N N 27 A1KEX C18 H7 SING N N 28 A1KEX C18 H8 SING N N 29 A1KEX C16 H9 SING N N 30 A1KEX C16 H10 SING N N 31 A1KEX N13 H11 SING N N 32 A1KEX N13 H12 SING N N 33 A1KEX C9 H13 SING N N 34 A1KEX C12 H14 SING N N 35 A1KEX C19 H15 SING N N 36 A1KEX C19 H16 SING N N 37 A1KEX C14 H17 SING N N 38 A1KEX C14 H18 SING N N 39 A1KEX C14 H19 SING N N 40 # 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 A1KEX InChI InChI 1.06 "InChI=1S/C13H19N5O/c1-8-12(19)17(2)10-7-15-13(14)16-11(10)18(8)9-5-3-4-6-9/h7-9H,3-6H2,1-2H3,(H2,14,15,16)/t8-/m1/s1" A1KEX InChIKey InChI 1.06 YXRLQDNFFZELDG-MRVPVSSYSA-N A1KEX SMILES_CANONICAL CACTVS 3.385 "C[C@H]1N(C2CCCC2)c3nc(N)ncc3N(C)C1=O" A1KEX SMILES CACTVS 3.385 "C[CH]1N(C2CCCC2)c3nc(N)ncc3N(C)C1=O" A1KEX SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "C[C@@H]1C(=O)N(c2cnc(nc2N1C3CCCC3)N)C" A1KEX SMILES "OpenEye OEToolkits" 2.0.7 "CC1C(=O)N(c2cnc(nc2N1C3CCCC3)N)C" # _pdbx_chem_comp_identifier.comp_id A1KEX _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 "(7~{R})-2-azanyl-8-cyclopentyl-5,7-dimethyl-7~{H}-pteridin-6-one" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1KEX "Create component" 2026-07-23 PDBE A1KEX "Initial release" 2026-08-05 RCSB #