data_ESB
# 
_chem_comp.id                                    ESB 
_chem_comp.name                                  "3-[(3E)-3-(ETHYLIMINO)-4-HYDROXY-6-OXOCYCLOHEXA-1,4-DIEN-1-YL]-L-ALANINE" 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C11 H14 N2 O4" 
_chem_comp.mon_nstd_parent_comp_id               TYR 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2008-04-03 
_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                        238.240 
_chem_comp.one_letter_code                       Y 
_chem_comp.three_letter_code                     ESB 
_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        2ZL8 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  PDBJ 
_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_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 
ESB OX  OX   O 0 1 N N N N N N -4.203 0.233  26.670 0.727  -2.650 -0.438 OX   ESB 1  
ESB C2  C2   C 0 1 N N N N N N 3.187  0.069  24.946 -3.520 3.029  -0.966 C2   ESB 2  
ESB C1  C1   C 0 1 N N N N N N 2.411  -0.382 26.189 -2.836 2.380  0.239  C1   ESB 3  
ESB N1  N1   N 0 1 N N N N N N 1.142  -1.094 25.831 -3.142 0.948  0.261  N1   ESB 4  
ESB N   N    N 0 1 N N N Y Y N -0.916 3.264  25.717 1.839  1.237  1.301  N    ESB 5  
ESB CA  CA   C 0 1 N N S Y N N -1.772 3.480  26.881 2.377  0.161  0.457  CA   ESB 6  
ESB C   C    C 0 1 N N N Y N Y -1.261 4.510  27.860 3.802  0.480  0.084  C    ESB 7  
ESB O   O    O 0 1 N N N Y N Y -0.071 4.829  27.915 4.205  1.617  0.154  O    ESB 8  
ESB CB  CB   C 0 1 N N N N N N -2.079 2.177  27.664 1.532  0.038  -0.813 CB   ESB 9  
ESB CG  CG   C 0 1 N N N N N N -1.834 0.859  26.949 0.137  -0.400 -0.448 CG   ESB 10 
ESB CD1 CD1  C 0 1 N N N N N N -3.007 -0.041 26.494 -0.159 -1.829 -0.280 CD1  ESB 11 
ESB CD2 CD2  C 0 1 N N N N N N -0.531 0.461  26.706 -0.828 0.517  -0.272 CD2  ESB 12 
ESB CE1 CE1  C 0 1 N N N N N N -2.594 -1.329 25.791 -1.461 -2.265 0.063  CE1  ESB 13 
ESB CE2 CE2  C 0 1 N N N N N N -0.217 -0.734 26.055 -2.191 0.076  0.086  CE2  ESB 14 
ESB CZ  CZ   C 0 1 N N N N N N -1.231 -1.610 25.607 -2.462 -1.373 0.243  CZ   ESB 15 
ESB OH  OH   O 0 1 N N N N N N -0.917 -2.781 24.967 -3.704 -1.800 0.570  OH   ESB 16 
ESB OXT OXT  O 0 1 N Y N Y N Y -2.211 5.035  28.625 4.623  -0.499 -0.328 OXT  ESB 17 
ESB H2C H2   H 0 1 N N N N N N 2.493  0.177  24.099 -3.156 2.566  -1.883 H2   ESB 18 
ESB H2A H2A  H 0 1 N N N N N N 3.672  1.035  25.148 -4.598 2.889  -0.891 H2A  ESB 19 
ESB H2B H2B  H 0 1 N N N N N N 3.952  -0.682 24.699 -3.292 4.095  -0.983 H2B  ESB 20 
ESB H1  H1   H 0 1 N N N N N N 3.046  -1.066 26.771 -1.758 2.520  0.164  H1   ESB 21 
ESB H1A H1A  H 0 1 N N N N N N 2.147  0.514  26.770 -3.200 2.844  1.156  H1A  ESB 22 
ESB H   HN   H 0 1 N N N Y Y N -1.480 3.215  24.893 1.856  2.121  0.814  HN   ESB 23 
ESB H2  HNA  H 0 1 N Y N Y Y N -0.269 4.022  25.634 0.907  1.016  1.617  HNA  ESB 24 
ESB HA  HA   H 0 1 N N N Y N N -2.696 3.869  26.428 2.347  -0.780 1.006  HA   ESB 25 
ESB HB  HB   H 0 1 N N N N N N -1.437 2.181  28.557 1.489  1.005  -1.315 HB   ESB 26 
ESB HBA HBA  H 0 1 N N N N N N -3.162 2.204  27.852 1.982  -0.698 -1.479 HBA  ESB 27 
ESB HD2 HD2  H 0 1 N N N N N N 0.276  1.100  27.033 -0.609 1.569  -0.391 HD2  ESB 28 
ESB HE1 HE1  H 0 1 N N N N N N -3.345 -2.020 25.437 -1.657 -3.320 0.181  HE1  ESB 29 
ESB HOH HOH  H 0 1 N N N N N N -0.844 -2.622 24.033 -3.779 -2.761 0.654  HOH  ESB 30 
ESB HXT HOXT H 0 0 N Y N Y N Y -1.829 5.681  29.207 5.528  -0.246 -0.556 HOXT ESB 31 
# 
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 
ESB OX  CD1 DOUB N N 1  
ESB C2  C1  SING N N 2  
ESB C1  N1  SING N N 3  
ESB N1  CE2 DOUB N N 4  
ESB N   CA  SING N N 5  
ESB CA  C   SING N N 6  
ESB CA  CB  SING N N 7  
ESB C   O   DOUB N N 8  
ESB C   OXT SING N N 9  
ESB CB  CG  SING N N 10 
ESB CG  CD1 SING N N 11 
ESB CG  CD2 DOUB N N 12 
ESB CD1 CE1 SING N N 13 
ESB CD2 CE2 SING N N 14 
ESB CE1 CZ  DOUB N N 15 
ESB CE2 CZ  SING N N 16 
ESB CZ  OH  SING N N 17 
ESB C2  H2C SING N N 18 
ESB C2  H2A SING N N 19 
ESB C2  H2B SING N N 20 
ESB C1  H1  SING N N 21 
ESB C1  H1A SING N N 22 
ESB N   H   SING N N 23 
ESB N   H2  SING N N 24 
ESB CA  HA  SING N N 25 
ESB CB  HB  SING N N 26 
ESB CB  HBA SING N N 27 
ESB CD2 HD2 SING N N 28 
ESB CE1 HE1 SING N N 29 
ESB OH  HOH SING N N 30 
ESB 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 
ESB SMILES           ACDLabs              10.04 "O=C1C=C(O)/C(=N/CC)C=C1CC(C(=O)O)N"                                                                                  
ESB SMILES_CANONICAL CACTVS               3.341 "CCN=C1C=C(C[C@H](N)C(O)=O)C(=O)C=C1O"                                                                                
ESB SMILES           CACTVS               3.341 "CCN=C1C=C(C[CH](N)C(O)=O)C(=O)C=C1O"                                                                                 
ESB SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "CC/N=C/1\C=C(C(=O)C=C1O)C[C@@H](C(=O)O)N"                                                                            
ESB SMILES           "OpenEye OEToolkits" 1.5.0 "CCN=C1C=C(C(=O)C=C1O)CC(C(=O)O)N"                                                                                    
ESB InChI            InChI                1.03  "InChI=1S/C11H14N2O4/c1-2-13-8-4-6(3-7(12)11(16)17)9(14)5-10(8)15/h4-5,7,15H,2-3,12H2,1H3,(H,16,17)/b13-8+/t7-/m0/s1" 
ESB InChIKey         InChI                1.03  SLIKWDKENRTLAW-AXGKHFFLSA-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 
ESB "SYSTEMATIC NAME" ACDLabs              10.04 "3-[(3E)-3-(ethylimino)-4-hydroxy-6-oxocyclohexa-1,4-dien-1-yl]-L-alanine"                
ESB "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2S)-2-amino-3-[(3E)-3-ethylimino-4-hydroxy-6-oxo-1-cyclohexa-1,4-dienyl]propanoic 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 
ESB "Create component"  2008-04-03 PDBJ 
ESB "Modify descriptor" 2011-06-04 RCSB 
ESB "Modify backbone"   2023-11-03 PDBE 
ESB "Modify PCM"        2024-09-27 PDBE 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            ESB 
_pdbx_chem_comp_pcm.modified_residue_id                TYR 
_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      ? 
# 
