data_A1DP2 # _chem_comp.id A1DP2 _chem_comp.name "S-[(1R)-1-hydroxy-2-oxopropyl]-L-cysteine" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C6 H11 N O4 S" _chem_comp.mon_nstd_parent_comp_id CYS _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2026-07-30 _chem_comp.pdbx_modified_date 2026-08-07 _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 193.221 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1DP2 _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 9CFY _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_n_terminal_atom_flag _chem_comp_atom.pdbx_backbone_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 A1DP2 N N1 N 0 1 N N N Y Y N 40.440 -11.747 19.006 2.091 1.802 0.150 N A1DP2 1 A1DP2 CA C1 C 0 1 N N R N Y N 40.385 -12.492 20.259 2.092 0.366 0.461 CA A1DP2 2 A1DP2 C C2 C 0 1 N N N N Y Y 39.812 -13.853 19.925 3.356 -0.261 -0.069 C A1DP2 3 A1DP2 O O1 O 0 1 N N N N Y Y 40.526 -14.640 19.325 3.989 0.295 -0.935 O A1DP2 4 A1DP2 CB C3 C 0 1 N N N N N N 39.573 -11.799 21.289 0.879 -0.299 -0.194 CB A1DP2 5 A1DP2 SG S1 S 0 1 N N N N N N 40.171 -12.418 22.892 -0.642 0.456 0.443 SG A1DP2 6 A1DP2 C01 C4 C 0 1 N N R N N N 38.768 -12.515 24.006 -1.946 -0.449 -0.435 C01 A1DP2 7 A1DP2 C03 C5 C 0 1 N N N N N N 38.338 -13.927 24.392 -3.272 0.227 -0.199 C03 A1DP2 8 A1DP2 C04 C6 C 0 1 N N N N N N 39.160 -14.635 25.501 -4.541 -0.586 -0.198 C04 A1DP2 9 A1DP2 O02 O2 O 0 1 N N N N N N 37.675 -12.073 23.310 -2.002 -1.792 0.048 O02 A1DP2 10 A1DP2 O05 O3 O 0 1 N N N N N N 37.348 -14.334 23.807 -3.318 1.418 -0.011 O05 A1DP2 11 A1DP2 H H1 H 0 1 N N N Y Y N 40.814 -10.835 19.176 2.135 1.957 -0.846 H A1DP2 12 A1DP2 H2 H2 H 0 1 N Y N Y Y N 41.025 -12.231 18.356 1.284 2.257 0.551 H2 A1DP2 13 A1DP2 HA H4 H 0 1 N N N N Y N 41.406 -12.629 20.644 2.043 0.228 1.541 HA A1DP2 14 A1DP2 HXT H5 H 0 1 N Y N N Y Y 38.339 -15.013 19.938 4.594 -1.800 0.050 HXT A1DP2 15 A1DP2 HB3 H6 H 0 1 N N N N N N 39.716 -10.710 21.221 0.929 -0.160 -1.275 HB3 A1DP2 16 A1DP2 HB2 H7 H 0 1 N N N N N N 38.507 -12.037 21.160 0.881 -1.364 0.036 HB2 A1DP2 17 A1DP2 H012 H8 H 0 0 N N N N N N 39.000 -11.912 24.896 -1.727 -0.455 -1.503 H012 A1DP2 18 A1DP2 H041 H9 H 0 0 N N N N N N 38.716 -15.618 25.716 -4.747 -0.938 0.813 H041 A1DP2 19 A1DP2 H042 H10 H 0 0 N N N N N N 40.197 -14.768 25.160 -5.370 0.033 -0.542 H042 A1DP2 20 A1DP2 H043 H11 H 0 0 N N N N N N 39.150 -14.021 26.414 -4.426 -1.441 -0.863 H043 A1DP2 21 A1DP2 H021 H12 H 0 0 N N N N N N 37.058 -12.787 23.201 -2.193 -1.862 0.993 H021 A1DP2 22 A1DP2 OXT OXT O 0 1 N Y N N Y Y 38.554 -14.140 20.246 3.778 -1.437 0.421 OXT A1DP2 23 # 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 A1DP2 N CA SING N N 1 A1DP2 CA C SING N N 2 A1DP2 CA CB SING N N 3 A1DP2 C O DOUB N N 4 A1DP2 CB SG SING N N 5 A1DP2 C01 C03 SING N N 6 A1DP2 C01 O02 SING N N 7 A1DP2 C03 C04 SING N N 8 A1DP2 C03 O05 DOUB N N 9 A1DP2 C01 SG SING N N 10 A1DP2 N H SING N N 11 A1DP2 N H2 SING N N 12 A1DP2 CA HA SING N N 13 A1DP2 CB HB3 SING N N 14 A1DP2 CB HB2 SING N N 15 A1DP2 C01 H012 SING N N 16 A1DP2 C04 H041 SING N N 17 A1DP2 C04 H042 SING N N 18 A1DP2 C04 H043 SING N N 19 A1DP2 O02 H021 SING N N 20 A1DP2 C OXT SING N N 21 A1DP2 OXT HXT SING N N 22 # 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 A1DP2 SMILES ACDLabs 14.52 "OC(=O)C(N)CSC(O)C(C)=O" A1DP2 InChI InChI 1.06 "InChI=1S/C6H11NO4S/c1-3(8)6(11)12-2-4(7)5(9)10/h4,6,11H,2,7H2,1H3,(H,9,10)/t4-,6+/m0/s1" A1DP2 InChIKey InChI 1.06 ZAPLGKPOZNTOOI-UJURSFKZSA-N A1DP2 SMILES_CANONICAL CACTVS 3.385 "CC(=O)[C@H](O)SC[C@H](N)C(O)=O" A1DP2 SMILES CACTVS 3.385 "CC(=O)[CH](O)SC[CH](N)C(O)=O" A1DP2 SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "CC(=O)[C@H](O)SC[C@@H](C(=O)O)N" A1DP2 SMILES "OpenEye OEToolkits" 3.1.0.0 "CC(=O)C(O)SCC(C(=O)O)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 A1DP2 "SYSTEMATIC NAME" ACDLabs 14.52 "S-[(1R)-1-hydroxy-2-oxopropyl]-L-cysteine" A1DP2 "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "(2~{R})-2-azanyl-3-[(1~{R})-1-oxidanyl-2-oxidanylidene-propyl]sulfanyl-propanoic acid" # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1DP2 _pdbx_chem_comp_pcm.modified_residue_id CYS _pdbx_chem_comp_pcm.type None _pdbx_chem_comp_pcm.category "Non-standard residue" _pdbx_chem_comp_pcm.position "Amino-acid side chain" _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 ? # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1DP2 "Create component" 2026-07-30 RCSB A1DP2 "Modify PCM" 2026-07-31 RCSB A1DP2 "Initial release" 2026-08-12 RCSB #