data_DBU # _chem_comp.id DBU _chem_comp.name "(2Z)-2-AMINOBUT-2-ENOIC ACID" _chem_comp.type "PEPTIDE LINKING" _chem_comp.pdbx_type ATOMP _chem_comp.formula "C4 H7 N O2" _chem_comp.mon_nstd_parent_comp_id THR _chem_comp.pdbx_synonyms Z-DEHYDROBUTYRINE _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2004-03-16 _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 101.104 _chem_comp.one_letter_code T _chem_comp.three_letter_code DBU _chem_comp.pdbx_model_coordinates_details ? _chem_comp.pdbx_model_coordinates_missing_flag Y _chem_comp.pdbx_ideal_coordinates_details ? _chem_comp.pdbx_ideal_coordinates_missing_flag N _chem_comp.pdbx_model_coordinates_db_code ? _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site EBI # 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 DBU N N N 0 1 N N N Y Y N 0.370 21.917 6.620 0.897 2.171 -1.353 N DBU 1 DBU CA CA C 0 1 N N N Y N N -0.171 23.187 6.670 2.034 1.474 -1.063 CA DBU 2 DBU CB CB C 0 1 N N N N N N 0.511 24.230 6.180 2.118 0.311 -0.392 CB DBU 3 DBU CG CG C 0 1 N N N N N N 1.866 23.988 5.602 0.973 -0.465 0.179 CG DBU 4 DBU C C C 0 1 N N N Y N Y -1.563 23.412 7.240 3.331 2.048 -1.531 C DBU 5 DBU O O O 0 1 N N N Y N Y -1.783 24.276 8.088 4.435 1.555 -1.357 O DBU 6 DBU OXT OXT O 0 1 N Y N Y N Y ? ? ? 3.131 3.215 -2.192 OXT DBU 7 DBU H H H 0 1 N N N Y Y N -0.149 21.123 6.993 0.983 3.094 -1.718 H1 DBU 8 DBU H2 H2 H 0 1 N Y N Y Y N 1.286 21.940 7.067 0.016 1.735 -1.190 H2 DBU 9 DBU HB 1HB H 0 1 N N N N N N -0.022 25.142 5.956 3.088 -0.152 -0.221 HB1 DBU 10 DBU HG1 1HG H 0 1 N N N N N N 2.615 24.111 6.366 0.000 0.000 -0.000 HG1 DBU 11 DBU HG2 2HG H 0 1 N N N N N N 2.041 24.695 4.802 1.102 -0.569 1.261 HG2 DBU 12 DBU HG3 3HG H 0 1 N N N N N N 1.922 22.983 5.214 0.952 -1.467 -0.260 HG3 DBU 13 DBU HXT HXT H 0 1 N Y N Y N Y ? ? ? 3.973 3.607 -2.507 HXT DBU 14 # 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 DBU N CA SING N N 1 DBU N H SING N N 2 DBU N H2 SING N N 3 DBU CA CB DOUB N Z 4 DBU CA C SING N N 5 DBU CB CG SING N N 6 DBU CB HB SING N N 7 DBU CG HG1 SING N N 8 DBU CG HG2 SING N N 9 DBU CG HG3 SING N N 10 DBU C O DOUB N N 11 DBU C OXT SING N N 12 DBU OXT HXT SING N N 13 # 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 DBU SMILES ACDLabs 10.04 "O=C(O)C(=C/C)/N" DBU SMILES_CANONICAL CACTVS 3.341 "C\C=C(/N)C(O)=O" DBU SMILES CACTVS 3.341 "CC=C(N)C(O)=O" DBU SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C\C=C(\C(=O)O)/N" DBU SMILES "OpenEye OEToolkits" 1.5.0 "CC=C(C(=O)O)N" DBU InChI InChI 1.03 "InChI=1S/C4H7NO2/c1-2-3(5)4(6)7/h2H,5H2,1H3,(H,6,7)/b3-2-" DBU InChIKey InChI 1.03 PAWSVPVNIXFKOS-IHWYPQMZSA-N # 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 DBU "SYSTEMATIC NAME" ACDLabs 10.04 "(2Z)-2-aminobut-2-enoic acid" DBU "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(Z)-2-aminobut-2-enoic acid" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site DBU "Create component" 2004-03-16 EBI DBU "Modify parent residue" 2011-01-07 EBI DBU "Modify model coordinates code" 2011-01-12 EBI DBU "Modify model coordinates code" 2011-01-20 EBI DBU "Modify name" 2011-02-09 EBI DBU "Modify descriptor" 2011-06-04 RCSB DBU "Modify synonyms" 2020-06-05 PDBE DBU "Modify backbone" 2023-11-03 PDBE # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id DBU _pdbx_chem_comp_synonyms.name Z-DEHYDROBUTYRINE _pdbx_chem_comp_synonyms.provenance ? _pdbx_chem_comp_synonyms.type ? #