data_ECD
# 
_chem_comp.id                                    ECD 
_chem_comp.name                                  "(4R)-4-(2-carboxyethyl)imidazolidin-2-iminium" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C6 H12 N3 O2" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    1 
_chem_comp.pdbx_initial_date                     2013-03-19 
_chem_comp.pdbx_modified_date                    2024-09-27 
_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                        158.178 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     ECD 
_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        4JME 
_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_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 
ECD O01  O01  O 0 1 N N N N N N 22.775 -39.718 26.148 -3.954 0.916  -0.209 O01  ECD 1  
ECD C02  C02  C 0 1 N N N N N N 23.824 -40.297 25.790 -2.914 0.134  0.124  C02  ECD 2  
ECD O03  O03  O 0 1 N N N N N N 23.845 -41.546 25.642 -3.033 -0.686 1.004  O03  ECD 3  
ECD C04  C04  C 0 1 N N N N N N 25.041 -39.474 25.523 -1.599 0.280  -0.597 C04  ECD 4  
ECD C06  C06  C 0 1 N N N N N N 25.627 -38.685 26.672 -0.592 -0.720 -0.028 C06  ECD 5  
ECD C07  C07  C 0 1 N N R N N N 25.828 -39.404 27.981 0.743  -0.572 -0.761 C07  ECD 6  
ECD C08  C08  C 0 1 N N N N N N 25.388 -38.406 29.119 1.763  -1.597 -0.232 C08  ECD 7  
ECD N09  N09  N 0 1 N N N N N N 26.634 -38.107 29.816 2.856  -0.782 0.315  N09  ECD 8  
ECD C10  C10  C 0 1 N N N N N N 27.693 -38.798 29.292 2.553  0.541  0.148  C10  ECD 9  
ECD N11  N11  N 1 1 N N N N N N 28.938 -38.739 29.728 3.331  1.514  0.534  N11  ECD 10 
ECD N12  N12  N 0 1 N N N N N N 27.252 -39.557 28.242 1.347  0.735  -0.467 N12  ECD 11 
ECD HO01 HO01 H 0 0 N N N N N N 22.084 -40.359 26.267 -4.776 0.785  0.282  HO01 ECD 12 
ECD H04  H04  H 0 1 N N N N N N 25.824 -40.156 25.160 -1.745 0.086  -1.660 H04  ECD 13 
ECD H04A H04A H 0 0 N N N N N N 24.784 -38.756 24.730 -1.221 1.294  -0.462 H04A ECD 14 
ECD H06  H06  H 0 1 N N N N N N 26.609 -38.311 26.347 -0.447 -0.525 1.034  H06  ECD 15 
ECD H06A H06A H 0 0 N N N N N N 24.956 -37.835 26.863 -0.970 -1.734 -0.164 H06A ECD 16 
ECD H07  H07  H 0 1 N N N N N N 25.269 -40.350 28.034 0.602  -0.692 -1.835 H07  ECD 17 
ECD H08  H08  H 0 1 N N N N N N 24.948 -37.493 28.692 1.315  -2.209 0.551  H08  ECD 18 
ECD HN11 HN11 H 0 0 N N N N N N 29.651 -39.280 29.281 4.177  1.316  0.966  HN11 ECD 19 
ECD HN1A HN1A H 0 0 N N N N N N 29.168 -38.154 30.505 3.064  2.435  0.389  HN1A ECD 20 
ECD H08A H08A H 0 0 N N N N N N 24.663 -38.879 29.797 2.127  -2.225 -1.046 H08A ECD 21 
ECD HN09 HN09 H 0 0 N N N N N N 26.706 -37.472 30.585 3.662  -1.127 0.729  HN09 ECD 22 
ECD HN12 HN12 H 0 0 N N N N N N 27.848 -40.156 27.708 0.954  1.597  -0.676 HN12 ECD 23 
# 
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 
ECD C02 O01  SING N N 1  
ECD O01 HO01 SING N N 2  
ECD C04 C02  SING N N 3  
ECD O03 C02  DOUB N N 4  
ECD C04 C06  SING N N 5  
ECD C04 H04  SING N N 6  
ECD C04 H04A SING N N 7  
ECD C06 C07  SING N N 8  
ECD C06 H06  SING N N 9  
ECD C06 H06A SING N N 10 
ECD C07 N12  SING N N 11 
ECD C07 C08  SING N N 12 
ECD C07 H07  SING N N 13 
ECD C08 N09  SING N N 14 
ECD C08 H08  SING N N 15 
ECD C10 N09  SING N N 16 
ECD N12 C10  SING N N 17 
ECD C10 N11  DOUB N N 18 
ECD N11 HN11 SING N N 19 
ECD N11 HN1A SING N N 20 
ECD C08 H08A SING N N 21 
ECD N09 HN09 SING N N 22 
ECD N12 HN12 SING N N 23 
# 
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 
ECD SMILES           ACDLabs              12.01 "O=C(O)CCC1NC(/NC1)=[NH2+]"                                                                 
ECD InChI            InChI                1.03  "InChI=1S/C6H11N3O2/c7-6-8-3-4(9-6)1-2-5(10)11/h4H,1-3H2,(H,10,11)(H3,7,8,9)/p+1/t4-/m1/s1" 
ECD InChIKey         InChI                1.03  XWJJYUBXTJRSEQ-SCSAIBSYSA-O                                                                 
ECD SMILES_CANONICAL CACTVS               3.370 "OC(=O)CC[C@@H]1CNC(=[NH2+])N1"                                                             
ECD SMILES           CACTVS               3.370 "OC(=O)CC[CH]1CNC(=[NH2+])N1"                                                               
ECD SMILES_CANONICAL "OpenEye OEToolkits" 1.7.6 "C1[C@H](NC(=[NH2+])N1)CCC(=O)O"                                                            
ECD SMILES           "OpenEye OEToolkits" 1.7.6 "C1C(NC(=[NH2+])N1)CCC(=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 
ECD "SYSTEMATIC NAME" ACDLabs              12.01 "(4R)-4-(2-carboxyethyl)imidazolidin-2-iminium"                 
ECD "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.6 "[(4R)-4-(3-hydroxy-3-oxopropyl)imidazolidin-2-ylidene]azanium" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
ECD "Create component" 2013-03-19 RCSB 
ECD "Initial release"  2013-07-03 RCSB 
ECD "Modify PCM"       2024-09-27 PDBE 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            ECD 
_pdbx_chem_comp_pcm.modified_residue_id                LYS 
_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               C04 
_pdbx_chem_comp_pcm.modified_residue_id_linking_atom   NZ 
_pdbx_chem_comp_pcm.uniprot_specific_ptm_accession     ? 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      ? 
# 
