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 
# 
