data_A1CHS # _chem_comp.id A1CHS _chem_comp.name "(4R,5R)-5-amino-N~5~-(2-aminoethyl)-4-hydroxy-L-ornithine" _chem_comp.type "L-peptide linking" _chem_comp.pdbx_type ATOMP _chem_comp.formula "C7 H18 N4 O3" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-07-02 _chem_comp.pdbx_modified_date 2026-04-17 _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 206.243 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1CHS _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 9PE1 _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 A1CHS C C1 C 0 1 N N N N Y Y 162.271 143.165 120.167 -3.702 0.646 0.095 C A1CHS 1 A1CHS CA C2 C 0 1 N N S N Y N 163.668 142.857 119.629 -2.447 0.033 0.659 CA A1CHS 2 A1CHS CB C3 C 0 1 N N N N N N 163.623 141.914 118.423 -1.291 0.245 -0.320 CB A1CHS 3 A1CHS CG C4 C 0 1 N N R N N N 164.783 140.931 118.300 0.009 -0.266 0.306 CG A1CHS 4 A1CHS CD C5 C 0 1 N N R N N N 166.157 141.610 118.129 1.183 0.058 -0.620 CD A1CHS 5 A1CHS C20 C6 C 0 1 N N N N N N 168.478 140.658 117.571 3.494 0.575 -0.117 C20 A1CHS 6 A1CHS C21 C7 C 0 1 N N N N N N 169.301 140.498 116.313 4.774 0.029 0.519 C21 A1CHS 7 A1CHS N19 N1 N 0 1 N N N N N N 167.019 140.691 117.260 2.430 -0.433 -0.018 N19 A1CHS 8 A1CHS N22 N2 N 0 1 N N N N N N 170.571 141.263 116.390 5.839 1.036 0.420 N22 A1CHS 9 A1CHS NE N3 N 0 1 N N N N N N 166.030 142.899 117.479 0.976 -0.595 -1.919 NE A1CHS 10 A1CHS N N4 N 0 1 N N N Y Y N 164.515 142.334 120.689 -2.655 -1.406 0.867 N A1CHS 11 A1CHS O O1 O 0 1 N N N N Y Y 161.398 142.308 120.175 -4.526 -0.053 -0.446 O A1CHS 12 A1CHS O58 O2 O 0 1 N N N N N N 164.519 140.054 117.204 -0.076 -1.681 0.491 O58 A1CHS 13 A1CHS HA H2 H 0 1 N N N N Y N 164.100 143.807 119.283 -2.207 0.507 1.612 HA A1CHS 14 A1CHS HB3 H3 H 0 1 N N N N N N 163.607 142.532 117.513 -1.490 -0.303 -1.241 HB3 A1CHS 15 A1CHS HB2 H4 H 0 1 N N N N N N 162.693 141.331 118.486 -1.193 1.307 -0.543 HB2 A1CHS 16 A1CHS HG2 H5 H 0 1 N N N N N N 164.820 140.341 119.228 0.162 0.218 1.271 HG2 A1CHS 17 A1CHS HD2 H6 H 0 1 N N N N N N 166.628 141.723 119.116 1.247 1.136 -0.761 HD2 A1CHS 18 A1CHS H20B H7 H 0 0 N N N N N N 168.683 139.812 118.244 3.187 1.480 0.407 H20B A1CHS 19 A1CHS H20A H8 H 0 0 N N N N N N 168.760 141.598 118.068 3.679 0.806 -1.166 H20A A1CHS 20 A1CHS H21A H9 H 0 0 N N N N N N 168.716 140.862 115.455 4.589 -0.203 1.567 H21A A1CHS 21 A1CHS H21B H10 H 0 0 N N N N N N 169.534 139.432 116.172 5.082 -0.877 -0.005 H21B A1CHS 22 A1CHS H19 H11 H 0 1 N N N N N N 166.917 140.987 116.310 2.717 -1.304 -0.440 H19 A1CHS 23 A1CHS H22B H13 H 0 0 N N N N N N 171.089 141.135 115.544 5.552 1.907 0.842 H22B A1CHS 24 A1CHS H22C H14 H 0 0 N N N N N N 170.368 142.234 116.513 6.695 0.699 0.833 H22C A1CHS 25 A1CHS HE1 H16 H 0 1 N N N N N N 165.467 143.503 118.043 0.913 -1.596 -1.816 HE1 A1CHS 26 A1CHS HE2 H17 H 0 1 N N N N N N 166.937 143.303 117.360 0.159 -0.227 -2.383 HE2 A1CHS 27 A1CHS H H19 H 0 1 N N N Y Y N 164.521 142.973 121.458 -2.879 -1.868 -0.002 H A1CHS 28 A1CHS H2 H20 H 0 1 N Y N Y Y N 164.160 141.450 120.993 -1.850 -1.829 1.305 H2 A1CHS 29 A1CHS H58 H22 H 0 1 N N N N N N 163.670 139.644 117.323 -0.213 -2.177 -0.328 H58 A1CHS 30 A1CHS OXT O1 O 0 1 N Y N N Y Y 162.068 144.414 120.594 -3.908 1.969 0.198 OXT A1CHS 31 A1CHS HXT H1 H 0 1 N Y N N Y Y 161.169 144.506 120.888 -4.730 2.316 -0.176 HXT A1CHS 32 # 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 A1CHS C21 N22 SING N N 1 A1CHS C21 C20 SING N N 2 A1CHS O58 CG SING N N 3 A1CHS N19 C20 SING N N 4 A1CHS N19 CD SING N N 5 A1CHS NE CD SING N N 6 A1CHS CD CG SING N N 7 A1CHS CG CB SING N N 8 A1CHS CB CA SING N N 9 A1CHS CA C SING N N 10 A1CHS CA N SING N N 11 A1CHS C O DOUB N N 12 A1CHS CA HA SING N N 13 A1CHS CB HB3 SING N N 14 A1CHS CB HB2 SING N N 15 A1CHS CG HG2 SING N N 16 A1CHS CD HD2 SING N N 17 A1CHS C20 H20B SING N N 18 A1CHS C20 H20A SING N N 19 A1CHS C21 H21A SING N N 20 A1CHS C21 H21B SING N N 21 A1CHS N19 H19 SING N N 22 A1CHS N22 H22B SING N N 23 A1CHS N22 H22C SING N N 24 A1CHS NE HE1 SING N N 25 A1CHS NE HE2 SING N N 26 A1CHS N H SING N N 27 A1CHS N H2 SING N N 28 A1CHS O58 H58 SING N N 29 A1CHS C OXT SING N N 30 A1CHS OXT HXT SING N N 31 # 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 A1CHS SMILES ACDLabs 14.52 "NCCNC(N)C(O)CC(N)C(=O)O" A1CHS InChI InChI 1.06 "InChI=1S/C7H18N4O3/c8-1-2-11-6(10)5(12)3-4(9)7(13)14/h4-6,11-12H,1-3,8-10H2,(H,13,14)/t4-,5+,6+/m0/s1" A1CHS InChIKey InChI 1.06 GPQPITGZTUICDI-KVQBGUIXSA-N A1CHS SMILES_CANONICAL CACTVS 3.385 "NCCN[C@@H](N)[C@H](O)C[C@H](N)C(O)=O" A1CHS SMILES CACTVS 3.385 "NCCN[CH](N)[CH](O)C[CH](N)C(O)=O" A1CHS SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "C(CN[C@H]([C@@H](C[C@@H](C(=O)O)N)O)N)N" A1CHS SMILES "OpenEye OEToolkits" 3.1.0.0 "C(CNC(C(CC(C(=O)O)N)O)N)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 A1CHS "SYSTEMATIC NAME" ACDLabs 14.52 "(4R,5R)-5-amino-N~5~-(2-aminoethyl)-4-hydroxy-L-ornithine" A1CHS "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "(2~{S},4~{R},5~{R})-2,5-bis(azanyl)-5-(2-azanylethylamino)-4-oxidanyl-pentanoic 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 A1CHS "Create component" 2025-07-02 RCSB A1CHS "Modify PCM" 2025-07-03 RCSB A1CHS "Initial release" 2026-04-22 RCSB # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1CHS _pdbx_chem_comp_pcm.modified_residue_id ORN _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 ? #