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 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 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 _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 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 ESC "Modify PCM" 2024-09-27 PDBE # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id ESC _pdbx_chem_comp_pcm.modified_residue_id MET _pdbx_chem_comp_pcm.type Methylation _pdbx_chem_comp_pcm.category "Named protein modification" _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 ? #