data_A1CAB # _chem_comp.id A1CAB _chem_comp.name "(2S)-3,4-dihydro-2H-pyrrole-2-carboxylic acid" _chem_comp.type "L-peptide linking" _chem_comp.pdbx_type ATOMP _chem_comp.formula "C5 H7 N O2" _chem_comp.mon_nstd_parent_comp_id PRO _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-04-21 _chem_comp.pdbx_modified_date 2025-05-30 _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 113.115 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1CAB _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 9C34 _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site RCSB _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 A1CAB C C1 C 0 1 N N N N Y Y -38.684 56.275 78.771 1.346 -0.097 -0.008 C A1CAB 1 A1CAB N N1 N 0 1 N N N Y Y N -41.180 56.355 78.965 -0.863 -1.008 -0.508 N A1CAB 2 A1CAB OXT O1 O 0 1 N Y N N Y Y -37.666 55.794 79.302 2.369 0.725 -0.287 OXT A1CAB 3 A1CAB CA C2 C 0 1 N N S N Y N -39.972 55.486 79.091 -0.028 0.198 -0.552 CA A1CAB 4 A1CAB CB C3 C 0 1 N N N N N N -40.241 54.331 78.098 -0.755 1.223 0.350 CB A1CAB 5 A1CAB CG C4 C 0 1 N N N N N N -41.278 54.911 77.140 -2.205 0.683 0.292 CG A1CAB 6 A1CAB CD C5 C 0 1 N N N N N N -41.872 56.083 77.856 -2.033 -0.777 -0.062 CD A1CAB 7 A1CAB O O2 O 0 1 N N N N N N -38.730 57.311 78.029 1.527 -1.077 0.676 O A1CAB 8 A1CAB HXT H3 H 0 1 N Y N N Y Y -36.909 56.320 79.071 3.231 0.495 0.085 HXT A1CAB 9 A1CAB HA H4 H 0 1 N N N N Y N -39.906 55.080 80.111 0.042 0.572 -1.573 HA A1CAB 10 A1CAB HB2 H5 H 0 1 N N N N N N -40.640 53.449 78.621 -0.366 1.196 1.368 HB2 A1CAB 11 A1CAB HB3 H6 H 0 1 N N N N N N -39.322 54.054 77.560 -0.692 2.228 -0.067 HB3 A1CAB 12 A1CAB HG2 H7 H 0 1 N N N N N N -42.054 54.164 76.915 -2.691 0.787 1.262 HG2 A1CAB 13 A1CAB HG3 H8 H 0 1 N N N N N N -40.799 55.235 76.204 -2.775 1.200 -0.480 HG3 A1CAB 14 A1CAB HD2 H9 H 0 1 N N N N N N -42.740 56.632 77.522 -2.802 -1.527 0.048 HD2 A1CAB 15 # 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 A1CAB CG CD SING N N 1 A1CAB CG CB SING N N 2 A1CAB CD N DOUB N N 3 A1CAB O C DOUB N N 4 A1CAB CB CA SING N N 5 A1CAB C CA SING N N 6 A1CAB C OXT SING N N 7 A1CAB N CA SING N N 8 A1CAB OXT HXT SING N N 9 A1CAB CA HA SING N N 10 A1CAB CB HB2 SING N N 11 A1CAB CB HB3 SING N N 12 A1CAB CG HG2 SING N N 13 A1CAB CG HG3 SING N N 14 A1CAB CD HD2 SING N N 15 # 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 A1CAB SMILES ACDLabs 14.52 "O=C(O)C1CCC=N1" A1CAB InChI InChI 1.06 "InChI=1S/C5H7NO2/c7-5(8)4-2-1-3-6-4/h3-4H,1-2H2,(H,7,8)/t4-/m0/s1" A1CAB InChIKey InChI 1.06 DWAKNKKXGALPNW-BYPYZUCNSA-N A1CAB SMILES_CANONICAL CACTVS 3.385 "OC(=O)[C@@H]1CCC=N1" A1CAB SMILES CACTVS 3.385 "OC(=O)[CH]1CCC=N1" A1CAB SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "C1C[C@H](N=C1)C(=O)O" A1CAB SMILES "OpenEye OEToolkits" 3.1.0.0 "C1CC(N=C1)C(=O)O" # 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 A1CAB "SYSTEMATIC NAME" ACDLabs 14.52 "(2S)-3,4-dihydro-2H-pyrrole-2-carboxylic acid" A1CAB "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "(2~{S})-3,4-dihydro-2~{H}-pyrrole-2-carboxylic 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 A1CAB "Create component" 2025-04-21 RCSB A1CAB "Initial release" 2025-06-04 RCSB #