data_DAS
# 
_chem_comp.id                                    DAS 
_chem_comp.name                                  "D-ASPARTIC ACID" 
_chem_comp.type                                  "D-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C4 H7 N O4" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-07-08 
_chem_comp.pdbx_modified_date                    2023-11-03 
_chem_comp.pdbx_ambiguous_flag                   N 
_chem_comp.pdbx_release_status                   REL 
_chem_comp.pdbx_replaced_by                      ? 
_chem_comp.pdbx_replaces                         DSP 
_chem_comp.formula_weight                        133.103 
_chem_comp.one_letter_code                       D 
_chem_comp.three_letter_code                     DAS 
_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        1AN1 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
# 
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 
DAS N   N   N 0 1 N N N Y Y N 17.583 59.747 30.265 1.659  -0.052 -0.266 N   DAS 1  
DAS CA  CA  C 0 1 N N R Y N N 18.873 59.859 30.954 0.266  0.365  -0.472 CA  DAS 2  
DAS C   C   C 0 1 N N N Y N Y 19.982 60.297 29.948 -0.163 0.007  -1.872 C   DAS 3  
DAS O   O   O 0 1 N N N Y N Y 19.687 60.632 28.810 0.320  -0.951 -2.425 O   DAS 4  
DAS CB  CB  C 0 1 N N N N N N 18.788 60.798 32.128 -0.634 -0.350 0.535  CB  DAS 5  
DAS CG  CG  C 0 1 N N N N N N 18.684 62.225 31.716 -0.205 0.007  1.935  CG  DAS 6  
DAS OD1 OD1 O 0 1 N N N N N N 17.604 62.665 31.218 0.725  0.757  2.108  OD1 DAS 7  
DAS OD2 OD2 O 0 1 N N N N N N 19.688 62.908 31.932 -0.857 -0.507 2.989  OD2 DAS 8  
DAS OXT OXT O 0 1 N Y N Y N Y 21.246 60.177 30.330 -1.082 0.754  -2.503 OXT DAS 9  
DAS H   H   H 0 1 N N N Y Y N 16.857 59.460 30.922 2.199  0.359  -1.012 H   DAS 10 
DAS H2  HN2 H 0 1 N Y N Y Y N 17.633 59.124 29.458 1.687  -1.051 -0.405 H2  DAS 11 
DAS HA  HA  H 0 1 N N N Y N N 19.145 58.856 31.359 0.185  1.442  -0.331 HA  DAS 12 
DAS HB2 1HB H 0 1 N N N N N N 17.949 60.515 32.806 -1.668 -0.040 0.382  HB2 DAS 13 
DAS HB3 2HB H 0 1 N N N N N N 19.644 60.644 32.825 -0.553 -1.428 0.395  HB3 DAS 14 
DAS HD2 HD2 H 0 1 N N N N N N 19.621 63.818 31.669 -0.582 -0.277 3.887  HD2 DAS 15 
DAS HXT HXT H 0 1 N Y N Y N Y 21.921 60.443 29.717 -1.358 0.524  -3.401 HXT DAS 16 
# 
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 
DAS N   CA  SING N N 1  
DAS N   H   SING N N 2  
DAS N   H2  SING N N 3  
DAS CA  C   SING N N 4  
DAS CA  CB  SING N N 5  
DAS CA  HA  SING N N 6  
DAS C   O   DOUB N N 7  
DAS C   OXT SING N N 8  
DAS CB  CG  SING N N 9  
DAS CB  HB2 SING N N 10 
DAS CB  HB3 SING N N 11 
DAS CG  OD1 DOUB N N 12 
DAS CG  OD2 SING N N 13 
DAS OD2 HD2 SING N N 14 
DAS OXT HXT 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 
DAS SMILES           ACDLabs              10.04 "O=C(O)CC(N)C(=O)O"                                                      
DAS SMILES_CANONICAL CACTVS               3.341 "N[C@H](CC(O)=O)C(O)=O"                                                  
DAS SMILES           CACTVS               3.341 "N[CH](CC(O)=O)C(O)=O"                                                   
DAS SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C([C@H](C(=O)O)N)C(=O)O"                                                
DAS SMILES           "OpenEye OEToolkits" 1.5.0 "C(C(C(=O)O)N)C(=O)O"                                                    
DAS InChI            InChI                1.03  "InChI=1S/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)/t2-/m1/s1" 
DAS InChIKey         InChI                1.03  CKLJMWTZIZZHCS-UWTATZPHSA-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 
DAS "SYSTEMATIC NAME" ACDLabs              10.04 "D-aspartic acid"              
DAS "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2R)-2-aminobutanedioic 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 
DAS "Create component"  1999-07-08 RCSB 
DAS "Modify descriptor" 2011-06-04 RCSB 
DAS "Modify backbone"   2023-11-03 PDBE 
# 
