data_A1C2U # _chem_comp.id A1C2U _chem_comp.name 1H-1,3-benzimidazole-5-carbaldehyde _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C8 H6 N2 O" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-12-08 _chem_comp.pdbx_modified_date 2025-12-19 _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 146.146 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1C2U _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 9ZJQ _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_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 A1C2U C7 C1 C 0 1 Y N N N N N 18.240 -19.369 -16.186 -0.102 1.604 0.006 C7 A1C2U 1 A1C2U O2 O1 O 0 1 N N N N N N 15.968 -16.955 -18.734 3.752 0.080 -0.006 O2 A1C2U 2 A1C2U C3 C2 C 0 1 Y N N N N N 16.464 -17.387 -15.200 0.393 -1.147 0.004 C3 A1C2U 3 A1C2U C4 C3 C 0 1 Y N N N N N 17.231 -18.156 -14.327 -0.919 -0.681 0.000 C4 A1C2U 4 A1C2U C5 C4 C 0 1 Y N N N N N 18.098 -19.133 -14.825 -1.164 0.706 0.001 C5 A1C2U 5 A1C2U C6 C5 C 0 1 Y N N N N N 18.185 -19.082 -12.648 -3.074 -0.401 -0.007 C6 A1C2U 6 A1C2U C1 C6 C 0 1 N N N N N N 15.795 -16.793 -17.522 2.835 -0.714 0.000 C1 A1C2U 7 A1C2U C2 C7 C 0 1 Y N N N N N 16.602 -17.613 -16.565 1.446 -0.233 -0.004 C2 A1C2U 8 A1C2U C8 C8 C 0 1 Y N N N N N 17.485 -18.601 -17.048 1.183 1.146 0.004 C8 A1C2U 9 A1C2U N1 N1 N 0 1 Y N N N N N 18.685 -19.710 -13.727 -2.534 0.849 -0.004 N1 A1C2U 10 A1C2U N2 N2 N 0 1 Y N N N N N 17.314 -18.134 -12.932 -2.131 -1.296 0.005 N2 A1C2U 11 A1C2U H1 H1 H 0 1 N N N N N N 18.916 -20.126 -16.556 -0.295 2.666 0.006 H1 A1C2U 12 A1C2U H2 H2 H 0 1 N N N N N N 15.782 -16.637 -14.827 0.593 -2.208 0.013 H2 A1C2U 13 A1C2U H3 H3 H 0 1 N N N N N N 18.472 -19.332 -11.637 -4.132 -0.617 -0.011 H3 A1C2U 14 A1C2U H4 H4 H 0 1 N N N N N N 15.075 -16.074 -17.160 3.039 -1.774 0.009 H4 A1C2U 15 A1C2U H5 H5 H 0 1 N N N N N N 17.572 -18.759 -18.113 2.003 1.849 0.007 H5 A1C2U 16 A1C2U H6 H6 H 0 1 N N N N N N 19.354 -20.453 -13.729 -3.024 1.686 -0.004 H6 A1C2U 17 # 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 A1C2U O2 C1 DOUB N N 1 A1C2U C1 C2 SING N N 2 A1C2U C8 C2 DOUB Y N 3 A1C2U C8 C7 SING Y N 4 A1C2U C2 C3 SING Y N 5 A1C2U C7 C5 DOUB Y N 6 A1C2U C3 C4 DOUB Y N 7 A1C2U C5 C4 SING Y N 8 A1C2U C5 N1 SING Y N 9 A1C2U C4 N2 SING Y N 10 A1C2U N1 C6 SING Y N 11 A1C2U N2 C6 DOUB Y N 12 A1C2U C7 H1 SING N N 13 A1C2U C3 H2 SING N N 14 A1C2U C6 H3 SING N N 15 A1C2U C1 H4 SING N N 16 A1C2U C8 H5 SING N N 17 A1C2U N1 H6 SING N N 18 # 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 A1C2U SMILES ACDLabs 14.52 "O=Cc1cc2nc[NH]c2cc1" A1C2U InChI InChI 1.06 "InChI=1S/C8H6N2O/c11-4-6-1-2-7-8(3-6)10-5-9-7/h1-5H,(H,9,10)" A1C2U InChIKey InChI 1.06 ALCHVVTYAHQOFY-UHFFFAOYSA-N A1C2U SMILES_CANONICAL CACTVS 3.385 "O=Cc1ccc2[nH]cnc2c1" A1C2U SMILES CACTVS 3.385 "O=Cc1ccc2[nH]cnc2c1" A1C2U SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "c1cc2c(cc1C=O)nc[nH]2" A1C2U SMILES "OpenEye OEToolkits" 3.1.0.0 "c1cc2c(cc1C=O)nc[nH]2" # 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 A1C2U "SYSTEMATIC NAME" ACDLabs 14.52 1H-1,3-benzimidazole-5-carbaldehyde A1C2U "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "1~{H}-benzimidazole-5-carbaldehyde" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1C2U "Create component" 2025-12-08 RCSB A1C2U "Modify PCM" 2025-12-08 RCSB A1C2U "Initial release" 2025-12-24 RCSB # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1C2U _pdbx_chem_comp_pcm.modified_residue_id SER _pdbx_chem_comp_pcm.type None _pdbx_chem_comp_pcm.category "Covalent chemical modification" _pdbx_chem_comp_pcm.position "Amino-acid side chain" _pdbx_chem_comp_pcm.polypeptide_position "Any position" _pdbx_chem_comp_pcm.comp_id_linking_atom C1 _pdbx_chem_comp_pcm.modified_residue_id_linking_atom OG _pdbx_chem_comp_pcm.uniprot_specific_ptm_accession ? _pdbx_chem_comp_pcm.uniprot_generic_ptm_accession ? #