data_DSE
# 
_chem_comp.id                                    DSE 
_chem_comp.name                                  N-METHYL-D-SERINE 
_chem_comp.type                                  "D-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C4 H9 N O3" 
_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                    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                        119.119 
_chem_comp.one_letter_code                       S 
_chem_comp.three_letter_code                     DSE 
_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        1CWH 
_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 
DSE N   N   N 0 1 N N N Y Y N 50.207 13.908 20.378 0.881  0.438  1.384  N   DSE 1  
DSE CA  CA  C 0 1 N N R Y N N 50.900 12.758 19.765 0.515  -0.205 0.115  CA  DSE 2  
DSE C   C   C 0 1 N N N Y N Y 50.475 12.600 18.320 -0.971 -0.085 -0.098 C   DSE 3  
DSE O   O   O 0 1 N N N Y N Y 51.233 13.037 17.444 -1.562 -0.937 -0.718 O   DSE 4  
DSE OXT OXT O 0 1 N Y N Y N Y 49.290 12.053 18.006 -1.638 0.967  0.399  OXT DSE 5  
DSE CB  CB  C 0 1 N N N N N N 52.407 12.969 19.865 1.253  0.481  -1.035 CB  DSE 6  
DSE CN  CN  C 0 1 N N N N N N 50.166 15.243 19.683 0.791  -0.596 2.423  CN  DSE 7  
DSE OG  OG  O 0 1 N N N N N N 53.039 11.720 20.077 0.898  -0.144 -2.270 OG  DSE 8  
DSE H   HN  H 0 1 N Y N Y Y N 50.589 14.048 21.313 0.159  1.114  1.584  H   DSE 9  
DSE HA  HA  H 0 1 N N N Y N N 50.626 11.823 20.308 0.794  -1.258 0.148  HA  DSE 10 
DSE HXT HXT H 0 1 N Y N Y N Y 49.023 11.953 17.099 -2.592 1.043  0.262  HXT DSE 11 
DSE HB2 1HB H 0 1 N N N N N N 52.818 13.506 18.979 0.975  1.534  -1.069 HB2 DSE 12 
DSE HB3 2HB H 0 1 N N N N N N 52.678 13.718 20.644 2.329  0.394  -0.881 HB3 DSE 13 
DSE HN1 1HN H 0 1 N N N N N N 49.642 16.111 20.146 1.054  -0.165 3.389  HN1 DSE 14 
DSE HN2 2HN H 0 1 N N N N N N 51.213 15.549 19.456 -0.227 -0.982 2.464  HN2 DSE 15 
DSE HN3 3HN H 0 1 N N N N N N 49.747 15.089 18.660 1.479  -1.408 2.188  HN3 DSE 16 
DSE HG  HOG H 0 1 N N N N N N 53.977 11.851 20.139 1.383  0.316  -2.967 HG  DSE 17 
# 
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 
DSE N   CA  SING N N 1  
DSE N   CN  SING N N 2  
DSE N   H   SING N N 3  
DSE CA  C   SING N N 4  
DSE CA  CB  SING N N 5  
DSE CA  HA  SING N N 6  
DSE C   O   DOUB N N 7  
DSE C   OXT SING N N 8  
DSE OXT HXT SING N N 9  
DSE CB  OG  SING N N 10 
DSE CB  HB2 SING N N 11 
DSE CB  HB3 SING N N 12 
DSE CN  HN1 SING N N 13 
DSE CN  HN2 SING N N 14 
DSE CN  HN3 SING N N 15 
DSE OG  HG  SING N N 16 
# 
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 
DSE SMILES           ACDLabs              10.04 "O=C(O)C(NC)CO"                                                       
DSE SMILES_CANONICAL CACTVS               3.341 "CN[C@H](CO)C(O)=O"                                                   
DSE SMILES           CACTVS               3.341 "CN[CH](CO)C(O)=O"                                                    
DSE SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "CN[C@H](CO)C(=O)O"                                                   
DSE SMILES           "OpenEye OEToolkits" 1.5.0 "CNC(CO)C(=O)O"                                                       
DSE InChI            InChI                1.03  "InChI=1S/C4H9NO3/c1-5-3(2-6)4(7)8/h3,5-6H,2H2,1H3,(H,7,8)/t3-/m1/s1" 
DSE InChIKey         InChI                1.03  PSFABYLDRXJYID-GSVOUGTGSA-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 
DSE "SYSTEMATIC NAME" ACDLabs              10.04 N-methyl-D-serine                             
DSE "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2R)-3-hydroxy-2-methylamino-propanoic 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 
DSE "Create component"  1999-07-08 RCSB 
DSE "Modify descriptor" 2011-06-04 RCSB 
DSE "Modify backbone"   2023-11-03 PDBE 
DSE "Modify PCM"        2024-09-27 PDBE 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            DSE 
_pdbx_chem_comp_pcm.modified_residue_id                DSN 
_pdbx_chem_comp_pcm.type                               Methylation 
_pdbx_chem_comp_pcm.category                           "Named protein modification" 
_pdbx_chem_comp_pcm.position                           "Amino-acid 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     ? 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      ? 
# 
