data_A1EAK # _chem_comp.id A1EAK _chem_comp.name "(2~{R})-2-azanyl-2-cyclopentyl-ethanoic acid" _chem_comp.type "D-peptide linking" _chem_comp.pdbx_type ATOMP _chem_comp.formula "C7 H13 N O2" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms D-Cyclopentylglycine _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2024-08-09 _chem_comp.pdbx_modified_date 2025-08-08 _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 143.184 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1EAK _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 9IY5 _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBC _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 A1EAK CA C1 C 0 1 N N R N Y N 14.529 -7.721 26.632 0.708 -0.562 0.479 C10 A1EAK 1 A1EAK CB C2 C 0 1 N N N N N N 16.041 -7.829 26.537 -0.562 -0.251 -0.316 C11 A1EAK 2 A1EAK C12 C3 C 0 1 N N N N N N 16.556 -7.151 25.110 -1.734 -1.141 0.165 C12 A1EAK 3 A1EAK C13 C4 C 0 1 N N N N N N 17.890 -6.890 25.304 -2.980 -0.322 -0.254 C13 A1EAK 4 A1EAK C14 C5 C 0 1 N N N N N N 18.044 -6.639 26.884 -2.575 1.143 0.009 C14 A1EAK 5 A1EAK C15 C6 C 0 1 N N N N N N 16.664 -7.111 27.531 -1.038 1.189 -0.031 C15 A1EAK 6 A1EAK C C7 C 0 1 N N N N Y Y 14.060 -8.390 27.880 1.829 0.326 0.003 C16 A1EAK 7 A1EAK N N1 N 0 1 N N N Y Y N 13.894 -8.528 25.576 1.080 -1.969 0.277 N09 A1EAK 8 A1EAK O O1 O 0 1 N N N N Y Y 14.108 -9.590 28.028 2.655 -0.103 -0.767 O32 A1EAK 9 A1EAK OXT O2 O 0 1 N Y N N Y Y 13.513 -7.542 28.925 1.910 1.594 0.436 O1 A1EAK 10 A1EAK HA H1 H 0 1 N N N N Y N 14.205 -6.671 26.592 0.527 -0.383 1.538 H1 A1EAK 11 A1EAK HB1 H2 H 0 1 N N N N N N 16.342 -8.887 26.541 -0.387 -0.390 -1.383 H2 A1EAK 12 A1EAK H3 H3 H 0 1 N N N N N N 16.006 -6.221 24.903 -1.719 -2.107 -0.340 H3 A1EAK 13 A1EAK H4 H4 H 0 1 N N N N N N 16.417 -7.854 24.275 -1.703 -1.270 1.247 H4 A1EAK 14 A1EAK H5 H5 H 0 1 N N N N N N 18.501 -7.748 24.988 -3.198 -0.474 -1.312 H5 A1EAK 15 A1EAK H6 H6 H 0 1 N N N N N N 18.194 -5.996 24.740 -3.840 -0.596 0.356 H6 A1EAK 16 A1EAK H7 H7 H 0 1 N N N N N N 18.879 -7.231 27.287 -2.987 1.789 -0.766 H7 A1EAK 17 A1EAK H8 H8 H 0 1 N N N N N N 18.219 -5.572 27.088 -2.933 1.459 0.988 H8 A1EAK 18 A1EAK H9 H9 H 0 1 N N N N N N 16.055 -6.243 27.822 -0.649 1.526 0.930 H9 A1EAK 19 A1EAK H10 H10 H 0 1 N N N N N N 16.845 -7.744 28.412 -0.704 1.857 -0.824 H10 A1EAK 20 A1EAK H H11 H 0 1 N N N Y Y N 12.900 -8.449 25.648 1.329 -2.143 -0.685 H11 A1EAK 21 A1EAK H2 H12 H 0 1 N Y N Y Y N 14.190 -8.197 24.680 1.827 -2.239 0.898 H12 A1EAK 22 A1EAK HXT H14 H 0 1 N Y N N Y Y 13.237 -8.080 29.658 2.646 2.125 0.103 H14 A1EAK 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 A1EAK C12 C13 SING N N 1 A1EAK C12 CB SING N N 2 A1EAK C13 C14 SING N N 3 A1EAK N CA SING N N 4 A1EAK CB CA SING N N 5 A1EAK CB C15 SING N N 6 A1EAK CA C SING N N 7 A1EAK C14 C15 SING N N 8 A1EAK C O DOUB N N 9 A1EAK C OXT SING N N 10 A1EAK CA HA SING N N 11 A1EAK CB HB1 SING N N 12 A1EAK C12 H3 SING N N 13 A1EAK C12 H4 SING N N 14 A1EAK C13 H5 SING N N 15 A1EAK C13 H6 SING N N 16 A1EAK C14 H7 SING N N 17 A1EAK C14 H8 SING N N 18 A1EAK C15 H9 SING N N 19 A1EAK C15 H10 SING N N 20 A1EAK N H SING N N 21 A1EAK N H2 SING N N 22 A1EAK OXT HXT SING N N 23 # 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 A1EAK InChI InChI 1.06 "InChI=1S/C7H13NO2/c8-6(7(9)10)5-3-1-2-4-5/h5-6H,1-4,8H2,(H,9,10)/t6-/m1/s1" A1EAK InChIKey InChI 1.06 XBPKRVHTESHFAA-ZCFIWIBFSA-N A1EAK SMILES_CANONICAL CACTVS 3.385 "N[C@H](C1CCCC1)C(O)=O" A1EAK SMILES CACTVS 3.385 "N[CH](C1CCCC1)C(O)=O" A1EAK SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "C1CCC(C1)[C@H](C(=O)O)N" A1EAK SMILES "OpenEye OEToolkits" 2.0.7 "C1CCC(C1)C(C(=O)O)N" # _pdbx_chem_comp_identifier.comp_id A1EAK _pdbx_chem_comp_identifier.type "SYSTEMATIC NAME" _pdbx_chem_comp_identifier.program "OpenEye OEToolkits" _pdbx_chem_comp_identifier.program_version 2.0.7 _pdbx_chem_comp_identifier.identifier "(2~{R})-2-azanyl-2-cyclopentyl-ethanoic 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 A1EAK "Create component" 2024-08-09 PDBC A1EAK "Modify PCM" 2024-09-27 PDBE A1EAK "Initial release" 2025-08-13 RCSB # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id A1EAK _pdbx_chem_comp_synonyms.name D-Cyclopentylglycine _pdbx_chem_comp_synonyms.provenance PUBCHEM _pdbx_chem_comp_synonyms.type ? # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1EAK _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" _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 ? #