data_ASB
# 
_chem_comp.id                                    ASB 
_chem_comp.name                                  "ASPARTIC ACID-4-CARBOXYMETHYL ESTER" 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C6 H9 N O6" 
_chem_comp.mon_nstd_parent_comp_id               ASP 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-07-08 
_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                        191.139 
_chem_comp.one_letter_code                       D 
_chem_comp.three_letter_code                     ASB 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   N 
_chem_comp.pdbx_ideal_coordinates_details        ? 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        1QQ7 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  EBI 
_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 
ASB N    N    N 0 1 N N N Y Y N 13.348 12.251 37.633 1.570  -0.624 2.260  N    ASB 1  
ASB CA   CA   C 0 1 N N S Y N N 12.978 10.933 37.151 0.392  0.253  2.264  CA   ASB 2  
ASB C    C    C 0 1 N N N Y N Y 14.150 10.453 36.267 -0.408 0.014  3.518  C    ASB 3  
ASB O    O    O 0 1 N N N Y N Y 14.835 11.274 35.644 -0.405 -1.076 4.037  O    ASB 4  
ASB CB   CB   C 0 1 N N N N N N 11.682 11.070 36.332 -0.473 -0.048 1.040  CB   ASB 5  
ASB CG   CG   C 0 1 N N N N N N 11.305 9.860  35.622 0.327  0.191  -0.213 CG   ASB 6  
ASB OD1  OD1  O 0 1 N N N N N N 11.260 8.789  36.364 -0.233 -0.010 -1.416 OD1  ASB 7  
ASB OD2  OD2  O 0 1 N N N N N N 11.014 9.612  34.456 1.473  0.565  -0.135 OD2  ASB 8  
ASB C2   C2   C 0 1 N N N N N N 10.926 7.354  36.065 0.538  0.220  -2.624 C2   ASB 9  
ASB C1   C1   C 0 1 N N N N N N 11.824 6.531  37.000 -0.315 -0.077 -3.830 C1   ASB 10 
ASB O1   O1   O 0 1 N N N N N N 12.997 6.309  36.615 0.192  0.067  -5.064 O1   ASB 11 
ASB O2   O2   O 0 1 N N N N N N 11.304 6.139  38.065 -1.456 -0.446 -3.686 O2   ASB 12 
ASB OXT  OXT  O 0 1 N Y N Y N Y 14.393 9.143  36.210 -1.124 1.012  4.058  OXT  ASB 13 
ASB H    H    H 0 1 N N N Y Y N 12.574 12.568 38.216 1.224  -1.572 2.289  H    ASB 14 
ASB H2   H2   H 0 1 N Y N Y Y N 13.586 12.903 36.886 2.016  -0.506 1.363  H2   ASB 15 
ASB HA   HCA  H 0 1 N N N Y N N 12.795 10.202 37.973 0.715  1.294  2.233  HCA  ASB 16 
ASB HB2  HB2  H 0 1 N N N N N N 10.844 11.422 36.978 -0.796 -1.088 1.071  HB2  ASB 17 
ASB HB3  HB3  H 0 1 N N N N N N 11.751 11.932 35.628 -1.347 0.603  1.044  HB3  ASB 18 
ASB HC21 HC21 H 0 0 N N N N N N 9.840  7.115  36.156 0.861  1.260  -2.655 HC21 ASB 19 
ASB HC22 HC22 H 0 0 N N N N N N 11.027 7.082  34.988 1.412  -0.431 -2.627 HC22 ASB 20 
ASB HO1  HO1  H 0 1 N N N N N N 13.552 5.799  37.193 -0.354 -0.123 -5.838 HO1  ASB 21 
ASB HXT  HXT  H 0 1 N Y N Y N Y 15.113 8.847  35.666 -1.638 0.858  4.863  HXT  ASB 22 
# 
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 
ASB N   CA   SING N N 1  
ASB N   H    SING N N 2  
ASB N   H2   SING N N 3  
ASB CA  C    SING N N 4  
ASB CA  CB   SING N N 5  
ASB CA  HA   SING N N 6  
ASB C   O    DOUB N N 7  
ASB C   OXT  SING N N 8  
ASB CB  CG   SING N N 9  
ASB CB  HB2  SING N N 10 
ASB CB  HB3  SING N N 11 
ASB CG  OD1  SING N N 12 
ASB CG  OD2  DOUB N N 13 
ASB OD1 C2   SING N N 14 
ASB C2  C1   SING N N 15 
ASB C2  HC21 SING N N 16 
ASB C2  HC22 SING N N 17 
ASB C1  O1   SING N N 18 
ASB C1  O2   DOUB N N 19 
ASB O1  HO1  SING N N 20 
ASB OXT HXT  SING N N 21 
# 
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 
ASB SMILES           ACDLabs              10.04 "O=C(OCC(=O)O)CC(C(=O)O)N"                                                               
ASB SMILES_CANONICAL CACTVS               3.341 "N[C@@H](CC(=O)OCC(O)=O)C(O)=O"                                                          
ASB SMILES           CACTVS               3.341 "N[CH](CC(=O)OCC(O)=O)C(O)=O"                                                            
ASB SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C([C@@H](C(=O)O)N)C(=O)OCC(=O)O"                                                        
ASB SMILES           "OpenEye OEToolkits" 1.5.0 "C(C(C(=O)O)N)C(=O)OCC(=O)O"                                                             
ASB InChI            InChI                1.03  "InChI=1S/C6H9NO6/c7-3(6(11)12)1-5(10)13-2-4(8)9/h3H,1-2,7H2,(H,8,9)(H,11,12)/t3-/m0/s1" 
ASB InChIKey         InChI                1.03  VYJCBTPDYBSANG-VKHMYHEASA-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 
ASB "SYSTEMATIC NAME" ACDLabs              10.04 "(2S)-2-amino-4-(carboxymethoxy)-4-oxobutanoic acid (non-preferred name)" 
ASB "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2S)-2-amino-4-(carboxymethyloxy)-4-oxo-butanoic 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 
ASB "Create component"  1999-07-08 EBI  
ASB "Modify descriptor" 2011-06-04 RCSB 
ASB "Modify backbone"   2023-11-03 PDBE 
ASB "Modify PCM"        2024-09-27 PDBE 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            ASB 
_pdbx_chem_comp_pcm.modified_residue_id                ASP 
_pdbx_chem_comp_pcm.type                               Carboxymethylation 
_pdbx_chem_comp_pcm.category                           "Named protein 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               ? 
_pdbx_chem_comp_pcm.modified_residue_id_linking_atom   ? 
_pdbx_chem_comp_pcm.uniprot_specific_ptm_accession     ? 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      ? 
# 
