data_U6A
# 
_chem_comp.id                                    U6A 
_chem_comp.name                                  N-carboxy-L-threonine 
_chem_comp.type                                  "L-peptide NH3 amino terminus" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C5 H9 N O5" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2020-04-27 
_chem_comp.pdbx_modified_date                    2023-11-03 
_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                        163.129 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     U6A 
_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        6WOO 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
# 
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 
U6A C1  C1  C 0 1 N N N N N N 156.293 228.736 188.633 1.996  -0.120 -0.055 C1  U6A 1  
U6A CA  C3  C 0 1 N N S Y N N 156.235 230.285 190.481 -0.402 -0.056 -0.480 C3  U6A 2  
U6A C7  C7  C 0 1 N N N N N N 155.448 232.675 190.879 -1.071 -2.456 -0.664 C7  U6A 3  
U6A C6  C6  C 0 1 N N R N N N 155.022 231.215 190.731 -1.552 -1.049 -0.301 C6  U6A 4  
U6A C   C4  C 0 1 N N N Y N Y 156.166 229.080 191.392 -0.838 1.307  -0.006 C4  U6A 5  
U6A O   O9  O 0 1 N N N Y N Y 155.095 228.441 191.465 -0.243 1.852  0.893  O9  U6A 6  
U6A OXT O10 O 0 1 N N N Y N Y 157.190 228.769 192.041 -1.885 1.915  -0.584 O10 U6A 7  
U6A O8  O8  O 0 1 N N N N N N 154.042 231.121 189.686 -1.988 -1.032 1.060  O8  U6A 8  
U6A N   N2  N 0 1 N N N Y Y N 156.306 229.950 189.035 0.753  -0.499 0.303  N2  U6A 9  
U6A O1  O1  O 0 1 N N N N N N 155.772 227.869 187.725 2.157  0.594  -1.025 O1  U6A 10 
U6A HA  H3  H 0 1 N N N Y N N 157.140 230.852 190.744 -0.128 -0.004 -1.534 H3  U6A 11 
U6A H4  H4  H 0 1 N N N N N N 156.200 232.759 191.678 -0.738 -2.469 -1.702 H4  U6A 12 
U6A H5  H5  H 0 1 N N N N N N 155.880 233.029 189.931 -0.243 -2.736 -0.013 H5  U6A 13 
U6A H6  H6  H 0 1 N N N N N N 154.571 233.288 191.134 -1.890 -3.164 -0.536 H6  U6A 14 
U6A H7  H7  H 0 1 N N N N N N 154.560 230.905 191.680 -2.380 -0.769 -0.951 H7  U6A 15 
U6A HXT H8  H 0 1 N N N Y N Y 157.010 228.000 192.569 -2.127 2.789  -0.246 H8  U6A 16 
U6A H9  H9  H 0 1 N N N N N N 153.317 231.705 189.877 -2.717 -1.639 1.247  H9  U6A 17 
U6A H   H10 H 0 1 N N N Y Y N 156.365 230.688 188.363 0.624  -1.065 1.080  H10 U6A 18 
U6A O10 OXT O 0 1 N N N N N N 157.436 228.383 187.986 3.058  -0.527 0.665  OXT U6A 19 
U6A H1  H1  H 0 1 N N N N N N 157.232 227.760 187.299 3.930  -0.229 0.369  H1  U6A 20 
# 
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 
U6A O1  C1  DOUB N N 1  
U6A C1  N   SING N N 2  
U6A N   CA  SING N N 3  
U6A O8  C6  SING N N 4  
U6A CA  C6  SING N N 5  
U6A CA  C   SING N N 6  
U6A C6  C7  SING N N 7  
U6A C   O   DOUB N N 8  
U6A C   OXT SING N N 9  
U6A CA  HA  SING N N 10 
U6A C7  H4  SING N N 11 
U6A C7  H5  SING N N 12 
U6A C7  H6  SING N N 13 
U6A C6  H7  SING N N 14 
U6A OXT HXT SING N N 15 
U6A O8  H9  SING N N 16 
U6A N   H   SING N N 17 
U6A C1  O10 SING N N 18 
U6A O10 H1  SING N N 19 
# 
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 
U6A SMILES           ACDLabs              12.01 "C(NC(C(C)O)C(=O)O)(O)=O"                                                               
U6A InChI            InChI                1.03  "InChI=1S/C5H9NO5/c1-2(7)3(4(8)9)6-5(10)11/h2-3,6-7H,1H3,(H,8,9)(H,10,11)/t2-,3+/m1/s1" 
U6A InChIKey         InChI                1.03  OJLPTWSLDBSLEH-GBXIJSLDSA-N                                                             
U6A SMILES_CANONICAL CACTVS               3.385 "C[C@@H](O)[C@H](NC(O)=O)C(O)=O"                                                        
U6A SMILES           CACTVS               3.385 "C[CH](O)[CH](NC(O)=O)C(O)=O"                                                           
U6A SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "C[C@H]([C@@H](C(=O)O)NC(=O)O)O"                                                        
U6A SMILES           "OpenEye OEToolkits" 2.0.7 "CC(C(C(=O)O)NC(=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 
U6A "SYSTEMATIC NAME" ACDLabs              12.01 N-carboxy-L-threonine                                     
U6A "SYSTEMATIC NAME" "OpenEye OEToolkits" 2.0.7 "(2~{S},3~{R})-2-(carboxyamino)-3-oxidanyl-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 
U6A "Create component" 2020-04-27 RCSB 
U6A "Initial release"  2020-09-23 RCSB 
U6A "Modify backbone"  2023-11-03 PDBE 
# 
