data_ACB
# 
_chem_comp.id                                    ACB 
_chem_comp.name                                  "3-METHYL-BETA-D-ASPARTIC ACID" 
_chem_comp.type                                  "D-beta-peptide, C-gamma linking" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C5 H9 N O4" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         "(3S)-3-methyl-D-aspartic acid; D-METHYL ASPARTIC ACID" 
_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                        147.129 
_chem_comp.one_letter_code                       D 
_chem_comp.three_letter_code                     ACB 
_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        1FJM 
_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 
ACB C   C1   C 0 1 N N N Y N Y 87.862 26.787 27.362 1.915  -0.019 0.017  C   ACB 1  
ACB O   O1   O 0 1 N N N Y N Y 88.952 27.565 27.512 2.552  -0.636 -0.803 O   ACB 2  
ACB OXT O2   O 0 1 N N N Y N Y 87.892 25.596 27.282 2.447  1.062  0.607  OXT ACB 3  
ACB CA  C2   C 0 1 N N R Y N N 86.596 27.640 27.210 0.519  -0.461 0.374  CA  ACB 4  
ACB N   N2   N 0 1 N N N Y Y N 85.391 26.753 27.159 0.337  -1.868 -0.010 N   ACB 5  
ACB CB  C3   C 0 1 N N S N N N 86.696 28.501 25.912 -0.497 0.406  -0.372 CB  ACB 6  
ACB CG  C    C 0 1 N N N N N N 86.795 27.567 24.705 -1.893 -0.036 -0.015 CG  ACB 7  
ACB OD1 O    O 0 1 N N N N N N 85.932 26.721 24.474 -2.059 -0.951 0.756  OD1 ACB 8  
ACB C4  C4   C 0 1 N N N N N N 85.476 29.444 25.741 -0.308 1.871  0.027  C4  ACB 9  
ACB OD2 OXT  O 0 1 N Y N N N N 87.930 27.762 23.969 -2.953 0.587  -0.555 OD2 ACB 10 
ACB HXT HO2  H 0 1 N N N Y N Y 88.792 25.297 27.340 3.344  1.309  0.343  HXT ACB 11 
ACB HA  H2   H 0 1 N N N Y N N 86.501 28.313 28.075 0.367  -0.355 1.448  HA  ACB 12 
ACB H   HN21 H 0 1 N N N Y Y N 84.568 27.313 27.060 -0.569 -2.207 0.277  H   ACB 13 
ACB H2  HN22 H 0 1 N Y N Y Y N 85.467 26.132 26.379 0.472  -1.992 -1.002 H2  ACB 14 
ACB HB3 H3   H 0 1 N N N N N N 87.592 29.134 25.989 -0.346 0.300  -1.446 HB3 ACB 15 
ACB H41 H41  H 0 1 N N N N N N 85.590 30.028 24.816 0.701  2.191  -0.230 H41 ACB 16 
ACB H42 H42  H 0 1 N N N N N N 84.555 28.845 25.685 -1.032 2.489  -0.504 H42 ACB 17 
ACB H43 H43  H 0 1 N N N N N N 85.417 30.127 26.601 -0.459 1.977  1.102  H43 ACB 18 
ACB HD2 HXT  H 0 1 N Y N N N N 87.951 27.143 23.249 -3.828 0.268  -0.296 HD2 ACB 19 
# 
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 
ACB C   O   DOUB N N 1  
ACB C   OXT SING N N 2  
ACB C   CA  SING N N 3  
ACB OXT HXT SING N N 4  
ACB CA  N   SING N N 5  
ACB CA  CB  SING N N 6  
ACB CA  HA  SING N N 7  
ACB N   H   SING N N 8  
ACB N   H2  SING N N 9  
ACB CB  CG  SING N N 10 
ACB CB  C4  SING N N 11 
ACB CB  HB3 SING N N 12 
ACB CG  OD1 DOUB N N 13 
ACB CG  OD2 SING N N 14 
ACB C4  H41 SING N N 15 
ACB C4  H42 SING N N 16 
ACB C4  H43 SING N N 17 
ACB OD2 HD2 SING N N 18 
# 
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 
ACB SMILES           ACDLabs              12.01 "O=C(O)C(N)C(C(=O)O)C"                                                              
ACB SMILES_CANONICAL CACTVS               3.370 "C[C@@H]([C@@H](N)C(O)=O)C(O)=O"                                                    
ACB SMILES           CACTVS               3.370 "C[CH]([CH](N)C(O)=O)C(O)=O"                                                        
ACB SMILES_CANONICAL "OpenEye OEToolkits" 1.7.2 "C[C@@H]([C@H](C(=O)O)N)C(=O)O"                                                     
ACB SMILES           "OpenEye OEToolkits" 1.7.2 "CC(C(C(=O)O)N)C(=O)O"                                                              
ACB InChI            InChI                1.03  "InChI=1S/C5H9NO4/c1-2(4(7)8)3(6)5(9)10/h2-3H,6H2,1H3,(H,7,8)(H,9,10)/t2-,3+/m0/s1" 
ACB InChIKey         InChI                1.03  LXRUAYBIUSUULX-STHAYSLISA-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 
ACB "SYSTEMATIC NAME" ACDLabs              12.01 "(3S)-3-methyl-D-aspartic acid"              
ACB "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.2 "(2R,3S)-2-azanyl-3-methyl-butanedioic 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 
ACB "Create component"   1999-07-08 RCSB 
ACB "Other modification" 2011-02-11 RCSB 
ACB "Other modification" 2011-02-28 RCSB 
ACB "Modify name"        2011-06-03 RCSB 
ACB "Modify descriptor"  2011-06-04 RCSB 
ACB "Modify synonyms"    2020-06-05 PDBE 
ACB "Modify backbone"    2023-11-03 PDBE 
ACB "Modify PCM"         2024-09-27 PDBE 
# 
loop_
_pdbx_chem_comp_synonyms.ordinal 
_pdbx_chem_comp_synonyms.comp_id 
_pdbx_chem_comp_synonyms.name 
_pdbx_chem_comp_synonyms.provenance 
_pdbx_chem_comp_synonyms.type 
1 ACB "(3S)-3-methyl-D-aspartic acid" ? ? 
2 ACB "D-METHYL ASPARTIC ACID"        ? ? 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            ACB 
_pdbx_chem_comp_pcm.modified_residue_id                ? 
_pdbx_chem_comp_pcm.type                               None 
_pdbx_chem_comp_pcm.category                           "Non-standard residue" 
_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     ? 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      ? 
# 
