data_A1EAI # _chem_comp.id A1EAI _chem_comp.name "(2~{S},3~{Z})-3-ethylideneazetidine-2-carboxylic acid" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C6 H9 N O2" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms "3-Ethylidene-L-azetidine-2-carboxylic acid" _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2024-08-08 _chem_comp.pdbx_modified_date 2025-10-03 _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 127.141 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1EAI _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 9J29 _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBC _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 A1EAI C4 C1 C 0 1 N N N N N N -10.444 -15.463 4.707 2.184 -0.630 0.041 C4 A1EAI 1 A1EAI C5 C2 C 0 1 N N S N N N -10.699 -14.829 2.855 0.224 -0.616 0.612 C5 A1EAI 2 A1EAI C6 C3 C 0 1 N N N N N N -11.014 -13.942 1.662 -1.178 -0.584 0.061 C6 A1EAI 3 A1EAI N1 N1 N 0 1 N N N N N N -9.905 -14.280 3.989 1.090 -1.617 -0.040 N1 A1EAI 4 A1EAI C3 C4 C 0 1 N N N N N N -11.716 -15.150 3.929 1.127 0.453 0.031 C3 A1EAI 5 A1EAI C1 C5 C 0 1 N N N N N N -14.080 -14.586 3.292 -0.270 2.447 -0.148 C1 A1EAI 6 A1EAI C2 C6 C 0 1 N N N N N N -13.017 -15.104 4.194 1.036 1.713 -0.314 C2 A1EAI 7 A1EAI O1 O1 O 0 1 N N N N N N -11.958 -14.308 0.915 -1.504 -1.358 -0.807 O1 A1EAI 8 A1EAI O2 O2 O 0 1 N N N N N N -10.314 -12.929 1.402 -2.065 0.306 0.534 O2 A1EAI 9 A1EAI H1 H1 H 0 1 N N N N N N -10.520 -15.359 5.799 2.748 -0.680 0.972 H1 A1EAI 10 A1EAI H2 H2 H 0 1 N N N N N N -9.965 -16.423 4.463 2.826 -0.619 -0.841 H2 A1EAI 11 A1EAI H3 H3 H 0 1 N N N N N N -10.239 -15.763 2.500 0.249 -0.662 1.701 H3 A1EAI 12 A1EAI H4 H4 H 0 1 N N N N N N -8.914 -14.270 3.857 1.264 -2.399 0.573 H4 A1EAI 13 A1EAI H6 H6 H 0 1 N N N N N N -15.058 -14.678 3.786 -1.042 1.954 -0.740 H6 A1EAI 14 A1EAI H7 H7 H 0 1 N N N N N N -13.883 -13.528 3.063 -0.559 2.440 0.903 H7 A1EAI 15 A1EAI H8 H8 H 0 1 N N N N N N -14.085 -15.168 2.359 -0.154 3.476 -0.486 H8 A1EAI 16 A1EAI H9 H9 H 0 1 N N N N N N -13.333 -15.479 5.156 1.896 2.226 -0.718 H9 A1EAI 17 A1EAI H10 H10 H 0 1 N N N N N N -10.619 -12.532 0.595 -2.952 0.288 0.149 H10 A1EAI 18 # 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 A1EAI O1 C6 DOUB N N 1 A1EAI O2 C6 SING N N 2 A1EAI C6 C5 SING N N 3 A1EAI C5 C3 SING N N 4 A1EAI C5 N1 SING N N 5 A1EAI C1 C2 SING N N 6 A1EAI C3 C2 DOUB N Z 7 A1EAI C3 C4 SING N N 8 A1EAI N1 C4 SING N N 9 A1EAI C4 H1 SING N N 10 A1EAI C4 H2 SING N N 11 A1EAI C5 H3 SING N N 12 A1EAI N1 H4 SING N N 13 A1EAI C1 H6 SING N N 14 A1EAI C1 H7 SING N N 15 A1EAI C1 H8 SING N N 16 A1EAI C2 H9 SING N N 17 A1EAI O2 H10 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 A1EAI InChI InChI 1.06 "InChI=1S/C6H9NO2/c1-2-4-3-7-5(4)6(8)9/h2,5,7H,3H2,1H3,(H,8,9)/b4-2-/t5-/m0/s1" A1EAI InChIKey InChI 1.06 LCXPHUZMYBUAOG-PSRSYCBASA-N A1EAI SMILES_CANONICAL CACTVS 3.385 "C/C=C1/CN[C@@H]1C(O)=O" A1EAI SMILES CACTVS 3.385 "CC=C1CN[CH]1C(O)=O" A1EAI SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "C/C=C\1/CN[C@@H]1C(=O)O" A1EAI SMILES "OpenEye OEToolkits" 2.0.7 "CC=C1CNC1C(=O)O" # _pdbx_chem_comp_identifier.comp_id A1EAI _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 "(2~{S},3~{Z})-3-ethylideneazetidine-2-carboxylic acid" # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id A1EAI _pdbx_chem_comp_synonyms.name "3-Ethylidene-L-azetidine-2-carboxylic acid" _pdbx_chem_comp_synonyms.provenance PUBCHEM _pdbx_chem_comp_synonyms.type ? # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1EAI "Create component" 2024-08-08 PDBC A1EAI "Initial release" 2025-10-08 RCSB #