data_AEI
# 
_chem_comp.id                                    AEI 
_chem_comp.name                                  "THREONINE-ASPARTIC ESTER" 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C8 H14 N2 O6" 
_chem_comp.mon_nstd_parent_comp_id               THR 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-07-08 
_chem_comp.pdbx_modified_date                    2024-09-27 
_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                        234.207 
_chem_comp.one_letter_code                       D 
_chem_comp.three_letter_code                     AEI 
_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        4ECA 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
_chem_comp.pdbx_pcm                              N 
# 
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 
AEI N    N    N 0 1 N N N N N N 29.143 69.646 23.944 -3.576 -0.861 -1.354 N    AEI 1  
AEI CA   CA   C 0 1 N N S N N N 28.073 70.323 24.720 -3.283 -0.280 -0.036 CA   AEI 2  
AEI C    C    C 0 1 N N N N N N 28.663 71.311 25.744 -3.071 1.205  -0.178 C    AEI 3  
AEI O    O    O 0 1 N N N N N N 28.047 72.338 26.091 -2.796 1.676  -1.256 O    AEI 4  
AEI OXT  OXT  O 0 1 N Y N N N N 29.851 70.936 26.234 -3.188 2.004  0.894  OXT  AEI 5  
AEI CB   CB   C 0 1 N N R N N N 27.200 69.254 25.511 -2.017 -0.924 0.535  CB   AEI 6  
AEI CG2  CG2  C 0 1 N N N N N N 26.162 69.906 26.370 -2.186 -2.444 0.562  CG2  AEI 7  
AEI OG1  OG1  O 0 1 N N N N N N 26.577 68.338 24.598 -0.880 -0.578 -0.299 OG1  AEI 8  
AEI CD   CD   C 0 1 N N N N N N 27.311 67.270 24.047 0.316  -0.495 0.305  CD   AEI 9  
AEI OE1  OE1  O 0 1 N N N N N N 28.470 67.023 24.359 0.409  -0.705 1.491  OE1  AEI 10 
AEI CE2  CE2  C 0 1 N N N N N N 26.619 66.321 23.080 1.542  -0.141 -0.496 CE2  AEI 11 
AEI CZ   CZ   C 0 1 N N S N N N 26.906 66.646 21.625 2.763  -0.114 0.425  CZ   AEI 12 
AEI NH1  NH1  N 0 1 N N N N N N 26.194 65.709 20.726 2.613  0.969  1.406  NH1  AEI 13 
AEI CH2  CH2  C 0 1 N N N N N N 28.336 66.320 21.306 4.006  0.119  -0.395 CH2  AEI 14 
AEI OT1  OT1  O 0 1 N N N N N N 29.105 67.256 21.060 4.493  1.223  -0.453 OT1  AEI 15 
AEI OT2  OT2  O 0 1 N N N N N N 28.631 65.114 21.244 4.572  -0.900 -1.060 OT2  AEI 16 
AEI H    HN1  H 0 1 N N N N N N 28.731 69.013 23.289 -2.814 -0.702 -1.996 H    AEI 17 
AEI H2   HN2  H 0 1 N Y N N N N 29.681 70.330 23.452 -3.785 -1.845 -1.277 H2   AEI 18 
AEI HA   HA   H 0 1 N N N N N N 27.410 70.872 24.035 -4.120 -0.466 0.637  HA   AEI 19 
AEI HXT  HXT  H 0 1 N Y N N N N 30.143 71.570 26.879 -3.043 2.950  0.754  HXT  AEI 20 
AEI HB   HB   H 0 1 N N N N N N 27.886 68.696 26.165 -1.849 -0.559 1.548  HB   AEI 21 
AEI HG21 HG1  H 0 0 N N N N N N 25.583 69.133 26.897 -2.354 -2.809 -0.451 HG21 AEI 22 
AEI HG22 HG2  H 0 0 N N N N N N 26.653 70.561 27.105 -1.284 -2.903 0.968  HG22 AEI 23 
AEI HG23 HG3  H 0 0 N N N N N N 25.487 70.503 25.740 -3.040 -2.704 1.188  HG23 AEI 24 
AEI HE22 HE21 H 0 0 N N N N N N 26.965 65.297 23.286 1.693  -0.885 -1.278 HE22 AEI 25 
AEI HE23 HE22 H 0 0 N N N N N N 25.533 66.382 23.245 1.408  0.841  -0.950 HE23 AEI 26 
AEI HZ   HZ   H 0 1 N N N N N N 26.669 67.695 21.395 2.846  -1.068 0.947  HZ   AEI 27 
AEI HH11 HN11 H 0 0 N N N N N N 26.396 65.940 19.774 3.376  0.967  2.066  HH11 AEI 28 
AEI HH12 HN12 H 0 0 N N N N N N 26.495 64.774 20.913 2.535  1.864  0.947  HH12 AEI 29 
AEI HOT  HOT  H 0 1 N N N N N N 29.539 65.023 20.978 5.368  -0.702 -1.573 HOT  AEI 30 
# 
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 
AEI N   CA   SING N N 1  
AEI N   H    SING N N 2  
AEI N   H2   SING N N 3  
AEI CA  C    SING N N 4  
AEI CA  CB   SING N N 5  
AEI CA  HA   SING N N 6  
AEI C   O    DOUB N N 7  
AEI C   OXT  SING N N 8  
AEI OXT HXT  SING N N 9  
AEI CB  CG2  SING N N 10 
AEI CB  OG1  SING N N 11 
AEI CB  HB   SING N N 12 
AEI CG2 HG21 SING N N 13 
AEI CG2 HG22 SING N N 14 
AEI CG2 HG23 SING N N 15 
AEI OG1 CD   SING N N 16 
AEI CD  OE1  DOUB N N 17 
AEI CD  CE2  SING N N 18 
AEI CE2 CZ   SING N N 19 
AEI CE2 HE22 SING N N 20 
AEI CE2 HE23 SING N N 21 
AEI CZ  NH1  SING N N 22 
AEI CZ  CH2  SING N N 23 
AEI CZ  HZ   SING N N 24 
AEI NH1 HH11 SING N N 25 
AEI NH1 HH12 SING N N 26 
AEI CH2 OT1  DOUB N N 27 
AEI CH2 OT2  SING N N 28 
AEI OT2 HOT  SING N N 29 
# 
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 
AEI SMILES           ACDLabs              12.01 "NC(C(=O)O)C(C)OC(=O)CC(N)C(=O)O"                                                                                    
AEI InChI            InChI                1.03  "InChI=1S/C8H14N2O6/c1-3(6(10)8(14)15)16-5(11)2-4(9)7(12)13/h3-4,6H,2,9-10H2,1H3,(H,12,13)(H,14,15)/t3-,4+,6+/m1/s1" 
AEI InChIKey         InChI                1.03  YWWVQWYBVSCACV-IWGUZYHVSA-N                                                                                          
AEI SMILES_CANONICAL CACTVS               3.385 "C[C@@H](OC(=O)C[C@H](N)C(O)=O)[C@H](N)C(O)=O"                                                                       
AEI SMILES           CACTVS               3.385 "C[CH](OC(=O)C[CH](N)C(O)=O)[CH](N)C(O)=O"                                                                           
AEI SMILES_CANONICAL "OpenEye OEToolkits" 1.7.6 "C[C@H]([C@@H](C(=O)O)N)OC(=O)C[C@@H](C(=O)O)N"                                                                      
AEI SMILES           "OpenEye OEToolkits" 1.7.6 "CC(C(C(=O)O)N)OC(=O)CC(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 
AEI "SYSTEMATIC NAME" ACDLabs              12.01 "(2S)-2-amino-4-{[(1S,2R)-1-amino-1-carboxypropan-2-yl]oxy}-4-oxobutanoic acid (non-preferred name)"        
AEI "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.6 "(2S)-2-azanyl-4-[(2R,3S)-3-azanyl-4-oxidanyl-4-oxidanylidene-butan-2-yl]oxy-4-oxidanylidene-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 
AEI "Create component"      1999-07-08 PDBJ 
AEI "Modify descriptor"     2011-06-04 RCSB 
AEI "Other modification"    2018-09-24 RCSB 
AEI "Modify parent residue" 2022-12-31 RCSB 
AEI "Modify PCM"            2024-09-27 PDBE 
# 
