data_A1CRT # _chem_comp.id A1CRT _chem_comp.name "(4S)-4-{[(1R)-1-carboxy-2-sulfanylethyl]amino}-4-hydroxybutanoic acid" _chem_comp.type "L-peptide linking" _chem_comp.pdbx_type ATOMP _chem_comp.formula "C7 H13 N O5 S" _chem_comp.mon_nstd_parent_comp_id CYS _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-08-27 _chem_comp.pdbx_modified_date 2025-12-19 _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 223.247 _chem_comp.one_letter_code C _chem_comp.three_letter_code A1CRT _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 9PHD _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 A1CRT C1 C1 C 0 1 N N N N N N 11.838 -33.892 34.833 -3.896 0.140 -0.276 C1 A1CRT 1 A1CRT C2 C2 C 0 1 N N N N N N 12.183 -32.788 33.860 -2.662 0.221 0.585 C2 A1CRT 2 A1CRT C3 C3 C 0 1 N N N N N N 12.268 -31.329 34.283 -1.445 0.515 -0.294 C3 A1CRT 3 A1CRT C4 C4 C 0 1 N N S N N N 13.425 -31.098 35.238 -0.192 0.598 0.581 C4 A1CRT 4 A1CRT C C5 C 0 1 N N N N Y Y 15.080 -31.849 38.084 3.414 0.575 -0.233 C A1CRT 5 A1CRT O1 O1 O 0 1 N N N N N N 12.314 -33.796 35.988 -5.090 -0.111 0.283 O1 A1CRT 6 A1CRT O2 O2 O 0 1 N N N N N N 11.123 -34.821 34.430 -3.811 0.305 -1.470 O2 A1CRT 7 A1CRT O3 O3 O 0 1 N N N N N N 14.455 -31.855 34.960 -0.301 1.717 1.464 O3 A1CRT 8 A1CRT N N1 N 0 1 N N N Y Y N 13.281 -31.017 36.656 0.992 0.761 -0.273 N A1CRT 9 A1CRT CA C6 C 0 1 N N R N Y N 14.589 -30.710 37.212 2.118 -0.038 0.230 CA A1CRT 10 A1CRT O O4 O 0 1 N N N N Y Y 16.052 -31.701 38.826 3.402 1.574 -0.912 O A1CRT 11 A1CRT CB C7 C 0 1 N N N N N N 14.515 -29.430 38.024 2.009 -1.467 -0.306 CB A1CRT 12 A1CRT SG S1 S 0 1 N N N N N N 13.393 -29.616 39.407 0.448 -2.204 0.252 SG A1CRT 13 A1CRT H1 H1 H 0 1 N N N N N N 11.425 -32.833 33.064 -2.783 1.019 1.318 H1 A1CRT 14 A1CRT H2 H2 H 0 1 N N N N N N 13.168 -33.044 33.443 -2.517 -0.727 1.102 H2 A1CRT 15 A1CRT H3 H3 H 0 1 N N N N N N 12.411 -30.704 33.389 -1.324 -0.283 -1.026 H3 A1CRT 16 A1CRT H4 H4 H 0 1 N N N N N N 11.330 -31.045 34.782 -1.590 1.464 -0.811 H4 A1CRT 17 A1CRT H5 H5 H 0 1 N N N N N N 13.753 -30.084 34.965 -0.096 -0.317 1.165 H5 A1CRT 18 A1CRT H7 H7 H 0 1 N N N N N N 12.042 -34.544 36.506 -5.852 -0.154 -0.310 H7 A1CRT 19 A1CRT H8 H8 H 0 1 N N N N N N 15.154 -31.679 35.579 -0.390 2.567 1.011 H8 A1CRT 20 A1CRT H H9 H 0 1 N N N Y Y N 12.631 -30.294 36.892 0.781 0.526 -1.231 H9 A1CRT 21 A1CRT HA H11 H 0 1 N N N N Y N 15.308 -30.562 36.392 2.092 -0.055 1.320 H11 A1CRT 22 A1CRT HB2 H12 H 0 1 N N N N N N 15.518 -29.186 38.404 2.034 -1.449 -1.395 H12 A1CRT 23 A1CRT HB3 H13 H 0 1 N N N N N N 14.159 -28.614 37.378 2.844 -2.059 0.068 H13 A1CRT 24 A1CRT HG H14 H 0 1 N N N N N N 13.461 -28.446 39.969 0.488 -3.437 -0.284 H14 A1CRT 25 A1CRT OXT OXT O 0 1 N Y N N Y Y 14.383 -32.986 37.994 4.583 0.011 0.109 OXT A1CRT 26 A1CRT HXT H6 H 0 1 N N N N Y Y 14.756 -33.634 38.581 5.388 0.440 -0.211 H6 A1CRT 27 # 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 A1CRT C2 C3 SING N N 1 A1CRT C2 C1 SING N N 2 A1CRT C3 C4 SING N N 3 A1CRT O2 C1 DOUB N N 4 A1CRT C1 O1 SING N N 5 A1CRT O3 C4 SING N N 6 A1CRT C4 N SING N N 7 A1CRT N CA SING N N 8 A1CRT CA CB SING N N 9 A1CRT CA C SING N N 10 A1CRT CB SG SING N N 11 A1CRT C O DOUB N N 12 A1CRT C2 H1 SING N N 13 A1CRT C2 H2 SING N N 14 A1CRT C3 H3 SING N N 15 A1CRT C3 H4 SING N N 16 A1CRT C4 H5 SING N N 17 A1CRT O1 H7 SING N N 18 A1CRT O3 H8 SING N N 19 A1CRT N H SING N N 20 A1CRT CA HA SING N N 21 A1CRT CB HB2 SING N N 22 A1CRT CB HB3 SING N N 23 A1CRT SG HG SING N N 24 A1CRT C OXT SING N N 25 A1CRT OXT HXT SING N N 26 # 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 A1CRT SMILES ACDLabs 14.52 "OC(=O)C(NC(O)CCC(=O)O)CS" A1CRT InChI InChI 1.06 "InChI=1S/C7H13NO5S/c9-5(1-2-6(10)11)8-4(3-14)7(12)13/h4-5,8-9,14H,1-3H2,(H,10,11)(H,12,13)/t4-,5-/m0/s1" A1CRT InChIKey InChI 1.06 GAKVQEZYVVQDTG-WHFBIAKZSA-N A1CRT SMILES_CANONICAL CACTVS 3.385 "O[C@@H](CCC(O)=O)N[C@@H](CS)C(O)=O" A1CRT SMILES CACTVS 3.385 "O[CH](CCC(O)=O)N[CH](CS)C(O)=O" A1CRT SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "C(CC(=O)O)[C@@H](N[C@@H](CS)C(=O)O)O" A1CRT SMILES "OpenEye OEToolkits" 3.1.0.0 "C(CC(=O)O)C(NC(CS)C(=O)O)O" # 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 A1CRT "SYSTEMATIC NAME" ACDLabs 14.52 "(4S)-4-{[(1R)-1-carboxy-2-sulfanylethyl]amino}-4-hydroxybutanoic acid" A1CRT "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "(4~{S})-4-oxidanyl-4-[[(2~{R})-1-oxidanyl-1-oxidanylidene-3-sulfanyl-propan-2-yl]amino]butanoic 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 A1CRT "Create component" 2025-08-27 RCSB A1CRT "Other modification" 2025-09-24 RCSB A1CRT "Initial release" 2025-12-24 RCSB # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1CRT _pdbx_chem_comp_pcm.modified_residue_id CYS _pdbx_chem_comp_pcm.type Succinylation _pdbx_chem_comp_pcm.category "Named protein modification" _pdbx_chem_comp_pcm.position "Amino-acid backbone" _pdbx_chem_comp_pcm.polypeptide_position N-terminal _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 ? #