data_DYA
# 
_chem_comp.id                                    DYA 
_chem_comp.name                                  DIDEHYDROASPARTATE 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C4 H5 N O4" 
_chem_comp.mon_nstd_parent_comp_id               ASP 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2015-04-24 
_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                        131.087 
_chem_comp.one_letter_code                       D 
_chem_comp.three_letter_code                     DYA 
_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        5A0Y 
_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 
DYA N   N   N 0 1 N N N Y Y N 27.101 52.882 -54.389 -0.258 1.576  0.147  N   DYA 1  
DYA CA  CA  C 0 1 N N N Y N N 27.570 53.885 -55.281 -0.484 0.220  0.070  CA  DYA 2  
DYA CB  CB  C 0 1 N N N N N N 28.850 53.962 -55.620 0.562  -0.643 0.071  CB  DYA 3  
DYA CG  CG  C 0 1 N N N N N N 29.833 53.113 -54.940 1.930  -0.135 -0.030 CG  DYA 4  
DYA OD1 OD1 O 0 1 N N N N N N 29.684 51.868 -54.972 2.974  -0.980 0.090  OD1 DYA 5  
DYA OD2 OD2 O 0 1 N N N N N N 30.755 53.631 -54.267 2.126  1.049  -0.223 OD2 DYA 6  
DYA C   C   C 0 1 N N N Y N Y 26.521 54.696 -55.881 -1.872 -0.297 -0.014 C   DYA 7  
DYA O   O   O 0 1 N N N Y N Y 26.645 55.937 -55.960 -2.071 -1.492 -0.082 O   DYA 8  
DYA OXT OXT O 0 1 N Y N Y N Y 25.417 54.087 -56.298 -2.911 0.561  -0.015 OXT DYA 9  
DYA H   HN1 H 0 1 N N N Y Y N 26.115 52.987 -54.257 0.612  1.908  0.419  HN1 DYA 10 
DYA H2  HN2 H 0 1 N Y N Y Y N 27.292 51.979 -54.773 -0.967 2.200  -0.074 HN2 DYA 11 
DYA HB  HB  H 0 1 N N N N N N 29.167 54.647 -56.393 0.384  -1.706 0.146  HB  DYA 12 
DYA HD1 HD1 H 0 1 N N N N N N 30.349 51.455 -54.434 3.859  -0.598 0.016  HD1 DYA 13 
DYA HXT HXT H 0 1 N Y N Y N Y 24.806 54.733 -56.634 -3.796 0.177  -0.071 HXT DYA 14 
# 
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 
DYA N   CA  SING N N 1  
DYA CA  CB  DOUB N Z 2  
DYA CA  C   SING N N 3  
DYA CB  CG  SING N N 4  
DYA CG  OD1 SING N N 5  
DYA CG  OD2 DOUB N N 6  
DYA C   O   DOUB N N 7  
DYA C   OXT SING N N 8  
DYA N   H   SING N N 9  
DYA N   H2  SING N N 10 
DYA CB  HB  SING N N 11 
DYA OD1 HD1 SING N N 12 
DYA OXT HXT SING N N 13 
# 
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 
DYA InChI            InChI                1.03  "InChI=1S/C4H5NO4/c5-2(4(8)9)1-3(6)7/h1H,5H2,(H,6,7)(H,8,9)/b2-1-" 
DYA InChIKey         InChI                1.03  ABZHGLSYGDUSDL-UPHRSURJSA-N                                        
DYA SMILES_CANONICAL CACTVS               3.385 "N\C(=C/C(O)=O)C(O)=O"                                             
DYA SMILES           CACTVS               3.385 "NC(=CC(O)=O)C(O)=O"                                               
DYA SMILES_CANONICAL "OpenEye OEToolkits" 1.7.6 "C(=C(/C(=O)O)\N)\C(=O)O"                                          
DYA SMILES           "OpenEye OEToolkits" 1.7.6 "C(=C(C(=O)O)N)C(=O)O"                                             
# 
_pdbx_chem_comp_identifier.comp_id           DYA 
_pdbx_chem_comp_identifier.type              "SYSTEMATIC NAME" 
_pdbx_chem_comp_identifier.program           "OpenEye OEToolkits" 
_pdbx_chem_comp_identifier.program_version   1.7.6 
_pdbx_chem_comp_identifier.identifier        "(Z)-2-azanylbut-2-enedioic 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 
DYA "Create component"   2015-04-24 EBI  
DYA "Initial release"    2016-04-13 RCSB 
DYA "Other modification" 2019-04-17 PDBE 
DYA "Modify backbone"    2023-11-03 PDBE 
DYA "Modify PCM"         2024-09-27 PDBE 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            DYA 
_pdbx_chem_comp_pcm.modified_residue_id                ASP 
_pdbx_chem_comp_pcm.type                               Dehydrogenation 
_pdbx_chem_comp_pcm.category                           "Named protein modification" 
_pdbx_chem_comp_pcm.position                           "Amino-acid side chain and backbone" 
_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     PTM-0673 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      ? 
# 
