data_DAB
# 
_chem_comp.id                                    DAB 
_chem_comp.name                                  "2,4-DIAMINOBUTYRIC ACID" 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C4 H10 N2 O2" 
_chem_comp.mon_nstd_parent_comp_id               ALA 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-07-08 
_chem_comp.pdbx_modified_date                    2025-03-24 
_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                        118.134 
_chem_comp.one_letter_code                       A 
_chem_comp.three_letter_code                     DAB 
_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        1B4H 
_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 
DAB N   N   N 0 1 N N N Y Y N 5.023 19.617 15.440 -1.730 0.370  -0.144 N   DAB 1  
DAB CA  CA  C 0 1 N N S Y N N 3.913 20.238 16.167 -0.275 0.523  -0.275 CA  DAB 2  
DAB C   C   C 0 1 N N N Y N Y 2.618 20.237 15.378 0.171  -0.036 -1.601 C   DAB 3  
DAB O   O   O 0 1 N N N Y N Y 2.614 20.486 14.180 -0.437 -0.949 -2.107 O   DAB 4  
DAB CB  CB  C 0 1 N N N N N N 4.246 21.725 16.419 0.421  -0.231 0.857  CB  DAB 5  
DAB CG  CG  C 0 1 N N N N N N 5.328 21.739 17.514 -0.032 0.337  2.203  CG  DAB 6  
DAB ND  ND  N 0 1 N N N N N N 4.895 21.609 18.856 0.636  -0.388 3.292  ND  DAB 7  
DAB OXT OXT O 0 1 N Y N Y N Y 1.527 19.883 16.072 1.245  0.479  -2.220 OXT DAB 8  
DAB H   1HN H 0 1 N N N Y Y N 5.894 19.617 15.970 -1.969 0.660  0.791  H   DAB 9  
DAB H2  2HN H 0 1 N Y N Y Y N 5.151 20.054 14.527 -1.923 -0.618 -0.200 H2  DAB 10 
DAB HA  HA  H 0 1 N N N Y N N 3.782 19.647 17.103 -0.015 1.581  -0.221 HA  DAB 11 
DAB HB2 1HB H 0 1 N N N N N N 4.540 22.277 15.496 1.500  -0.117 0.760  HB2 DAB 12 
DAB HB3 2HB H 0 1 N N N N N N 3.353 22.344 16.668 0.161  -1.288 0.803  HB3 DAB 13 
DAB HG2 1HG H 0 1 N N N N N N 6.088 20.954 17.292 -1.112 0.223  2.301  HG2 DAB 14 
DAB HG3 2HG H 0 1 N N N N N N 5.945 22.661 17.412 0.227  1.394  2.257  HG3 DAB 15 
DAB HD1 1HD H 0 1 N N N N N N 5.611 21.618 19.581 0.309  0.018  4.155  HD1 DAB 16 
DAB HD2 2HD H 0 1 N N N N N N 4.329 20.765 18.949 0.288  -1.334 3.266  HD2 DAB 17 
DAB HXT HXT H 0 1 N Y N Y N Y 0.715 19.882 15.577 1.531  0.120  -3.071 HXT DAB 18 
# 
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 
DAB N   CA  SING N N 1  
DAB N   H   SING N N 2  
DAB N   H2  SING N N 3  
DAB CA  C   SING N N 4  
DAB CA  CB  SING N N 5  
DAB CA  HA  SING N N 6  
DAB C   O   DOUB N N 7  
DAB C   OXT SING N N 8  
DAB CB  CG  SING N N 9  
DAB CB  HB2 SING N N 10 
DAB CB  HB3 SING N N 11 
DAB CG  ND  SING N N 12 
DAB CG  HG2 SING N N 13 
DAB CG  HG3 SING N N 14 
DAB ND  HD1 SING N N 15 
DAB ND  HD2 SING N N 16 
DAB OXT HXT SING N N 17 
# 
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 
DAB SMILES           ACDLabs              10.04 "O=C(O)C(N)CCN"                                                       
DAB SMILES_CANONICAL CACTVS               3.341 "NCC[C@H](N)C(O)=O"                                                   
DAB SMILES           CACTVS               3.341 "NCC[CH](N)C(O)=O"                                                    
DAB SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C(CN)[C@@H](C(=O)O)N"                                                
DAB SMILES           "OpenEye OEToolkits" 1.5.0 "C(CN)C(C(=O)O)N"                                                     
DAB InChI            InChI                1.03  "InChI=1S/C4H10N2O2/c5-2-1-3(6)4(7)8/h3H,1-2,5-6H2,(H,7,8)/t3-/m0/s1" 
DAB InChIKey         InChI                1.03  OGNSCSPNOLGXSM-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 
DAB "SYSTEMATIC NAME" ACDLabs              10.04 "(2S)-2,4-diaminobutanoic acid" 
DAB "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2S)-2,4-diaminobutanoic 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 
DAB "Create component"  1999-07-08 RCSB 
DAB "Modify descriptor" 2011-06-04 RCSB 
DAB "Modify backbone"   2023-11-03 PDBE 
DAB "Modify PCM"        2024-09-27 PDBE 
DAB "Modify PCM"        2025-03-24 PDBC 
# 
loop_
_pdbx_chem_comp_pcm.pcm_id 
_pdbx_chem_comp_pcm.comp_id 
_pdbx_chem_comp_pcm.modified_residue_id 
_pdbx_chem_comp_pcm.type 
_pdbx_chem_comp_pcm.category 
_pdbx_chem_comp_pcm.position 
_pdbx_chem_comp_pcm.polypeptide_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 
1 DAB ALA None "Non-standard residue"           "Amino-acid side chain" "Any position" ?  ?   ? ? 
2 DAB GLU None "Covalent chemical modification" "Amino-acid side chain" "Any position" ND OE1 ? ? 
3 DAB 4HH None "Covalent chemical modification" "Amino-acid side chain" "Any position" C  SU  ? ? 
# 
