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 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 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 # 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 ? ? #