data_ESC
# 
_chem_comp.id                                    ESC 
_chem_comp.name                                  "2-AMINO-4-ETHYL SULFANYL BUTYRIC ACID" 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C6 H13 N O2 S" 
_chem_comp.mon_nstd_parent_comp_id               MET 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-09-27 
_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                        163.238 
_chem_comp.one_letter_code                       M 
_chem_comp.three_letter_code                     ESC 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   Y 
_chem_comp.pdbx_ideal_coordinates_details        ? 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        1KBG 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  PDBJ 
# 
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 
ESC N   N    N 0 1 N N N Y Y N 41.550 59.061 -8.776  1.057  -1.212 -2.978 N    ESC 1  
ESC CA  CA   C 0 1 N N S Y N N 40.846 59.921 -9.709  1.189  -0.527 -1.718 CA   ESC 2  
ESC CB  CB   C 0 1 N N N N N N 41.861 60.701 -10.570 -0.065 -0.693 -0.849 CB   ESC 3  
ESC CG  CG   C 0 1 N N N N N N 41.465 60.923 -12.022 -0.265 -2.119 -0.329 CG   ESC 4  
ESC SD  SD   S 0 1 N N N N N N 41.813 62.581 -12.653 -1.773 -2.218 0.679  SD   ESC 5  
ESC C   C    C 0 1 N N N Y N Y 39.957 59.009 -10.548 2.458  -0.920 -0.976 C    ESC 6  
ESC O   O    O 0 1 N N N Y N Y 40.353 57.889 -10.858 3.218  -1.800 -1.366 O    ESC 7  
ESC CD  CD   C 0 1 N N N N N N 42.322 63.488 -11.181 -1.689 -3.973 1.104  CD   ESC 8  
ESC CE  CE   C 0 1 N N N N N N 42.686 64.949 -11.526 -2.865 -4.367 1.977  CE   ESC 9  
ESC OXT OXT  O 0 1 N Y N Y N Y ?      ?      ?       2.656  -0.255 0.187  OXT  ESC 10 
ESC H   H    H 0 1 N N N Y Y N 40.878 58.545 -8.206  0.842  -0.680 -3.805 H    ESC 11 
ESC H2  H2   H 0 1 N Y N Y Y N 42.217 59.579 -8.205  0.978  -2.216 -2.983 H2   ESC 12 
ESC HA  HCA1 H 0 0 N N N Y N N 40.221 60.685 -9.190  1.307  0.533  -1.975 HCA1 ESC 13 
ESC HB2 HB2  H 0 1 N N N N N N 42.096 61.677 -10.087 -0.942 -0.395 -1.439 HB2  ESC 14 
ESC HB3 HB3  H 0 1 N N N N N N 42.859 60.207 -10.520 0.000  0.000  0.000  HB3  ESC 15 
ESC HG2 HG2  H 0 1 N N N N N N 41.938 60.152 -12.674 -0.364 -2.829 -1.155 HG2  ESC 16 
ESC HG3 HG3  H 0 1 N N N N N N 40.390 60.668 -12.173 0.579  -2.435 0.292  HG3  ESC 17 
ESC HD2 HD2  H 0 1 N N N N N N 41.549 63.435 -10.379 -1.689 -4.559 0.180  HD2  ESC 18 
ESC HD3 HD3  H 0 1 N N N N N N 43.154 62.972 -10.648 -0.747 -4.163 1.628  HD3  ESC 19 
ESC HE1 HE1  H 0 1 N N N N N N 43.000 65.510 -10.615 -2.873 -3.806 2.917  HE1  ESC 20 
ESC HE2 HE2  H 0 1 N N N N N N 43.458 65.001 -12.328 -3.819 -4.203 1.465  HE2  ESC 21 
ESC HE3 HE3  H 0 1 N N N N N N 41.853 65.464 -12.058 -2.803 -5.431 2.227  HE3  ESC 22 
ESC HXT HXT  H 0 1 N Y N Y N Y -0.553 -0.568 -0.522  3.451  -0.531 0.691  HXT  ESC 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 
ESC N   CA  SING N N 1  
ESC N   H   SING N N 2  
ESC N   H2  SING N N 3  
ESC CA  CB  SING N N 4  
ESC CA  C   SING N N 5  
ESC CA  HA  SING N N 6  
ESC CB  CG  SING N N 7  
ESC CB  HB2 SING N N 8  
ESC CB  HB3 SING N N 9  
ESC CG  SD  SING N N 10 
ESC CG  HG2 SING N N 11 
ESC CG  HG3 SING N N 12 
ESC SD  CD  SING N N 13 
ESC C   O   DOUB N N 14 
ESC C   OXT SING N N 15 
ESC CD  CE  SING N N 16 
ESC CD  HD2 SING N N 17 
ESC CD  HD3 SING N N 18 
ESC CE  HE1 SING N N 19 
ESC CE  HE2 SING N N 20 
ESC CE  HE3 SING N N 21 
ESC OXT HXT SING N N 22 
# 
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 
ESC SMILES           ACDLabs              10.04 "O=C(O)C(N)CCSCC"                                                            
ESC SMILES_CANONICAL CACTVS               3.341 "CCSCC[C@H](N)C(O)=O"                                                        
ESC SMILES           CACTVS               3.341 "CCSCC[CH](N)C(O)=O"                                                         
ESC SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "CCSCC[C@@H](C(=O)O)N"                                                       
ESC SMILES           "OpenEye OEToolkits" 1.5.0 "CCSCCC(C(=O)O)N"                                                            
ESC InChI            InChI                1.03  "InChI=1S/C6H13NO2S/c1-2-10-4-3-5(7)6(8)9/h5H,2-4,7H2,1H3,(H,8,9)/t5-/m0/s1" 
ESC InChIKey         InChI                1.03  GGLZPLKKBSSKCX-YFKPBYRVSA-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 
ESC "SYSTEMATIC NAME" ACDLabs              10.04 S-ethyl-L-homocysteine                       
ESC "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2S)-2-amino-4-ethylsulfanyl-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 
ESC "Create component"  1999-09-27 PDBJ 
ESC "Modify descriptor" 2011-06-04 RCSB 
ESC "Modify backbone"   2023-11-03 PDBE 
# 
