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 ?
#
loop_
_software.name
_software.version
_software.description
rdkit 2025.03.3 'Core functionality.'
pdbeccdutils 1.0.0 'Wrapper to provide 2D templates and molecular fragments.'
#
loop_
_pdbe_chem_comp_atom_depiction.comp_id
_pdbe_chem_comp_atom_depiction.atom_id
_pdbe_chem_comp_atom_depiction.element
_pdbe_chem_comp_atom_depiction.model_Cartn_x
_pdbe_chem_comp_atom_depiction.model_Cartn_y
_pdbe_chem_comp_atom_depiction.pdbx_ordinal
ESC N N 3.805 2.625 1
ESC CA C 5.104 1.875 2
ESC CB C 5.104 0.375 3
ESC CG C 6.404 -0.375 4
ESC SD S 6.404 -1.875 5
ESC C C 6.404 2.625 6
ESC O O 7.702 1.875 7
ESC CD C 7.702 -2.625 8
ESC CE C 7.702 -4.125 9
ESC OXT O 6.404 4.125 10
#
loop_
_pdbe_chem_comp_bond_depiction.comp_id
_pdbe_chem_comp_bond_depiction.atom_id_1
_pdbe_chem_comp_bond_depiction.atom_id_2
_pdbe_chem_comp_bond_depiction.value_order
_pdbe_chem_comp_bond_depiction.bond_dir
_pdbe_chem_comp_bond_depiction.pdbx_ordinal
ESC CA N SINGLE BEGINDASH 1
ESC CA CB SINGLE NONE 2
ESC CA C SINGLE NONE 3
ESC CB CG SINGLE NONE 4
ESC CG SD SINGLE NONE 5
ESC SD CD SINGLE NONE 6
ESC C O DOUBLE NONE 7
ESC C OXT SINGLE NONE 8
ESC CD CE SINGLE NONE 9
#
_pdbe_chem_comp_substructure.comp_id ESC
_pdbe_chem_comp_substructure.substructure_name peptide
_pdbe_chem_comp_substructure.id F1
_pdbe_chem_comp_substructure.substructure_type fragment
_pdbe_chem_comp_substructure.substructure_smiles NCC=O
_pdbe_chem_comp_substructure.substructure_inchis InChI=1S/C2H5NO/c3-1-2-4/h2H,1,3H2
_pdbe_chem_comp_substructure.substructure_inchikeys LYIIBVSRGJSHAV-UHFFFAOYSA-N
#
loop_
_pdbe_chem_comp_substructure_mapping.comp_id
_pdbe_chem_comp_substructure_mapping.atom_id
_pdbe_chem_comp_substructure_mapping.substructure_id
_pdbe_chem_comp_substructure_mapping.substructure_ordinal
ESC O F1 1
ESC C F1 1
ESC CA F1 1
ESC N F1 1
#
_pdbe_chem_comp_rdkit_properties.comp_id ESC
_pdbe_chem_comp_rdkit_properties.exactmw 163.067
_pdbe_chem_comp_rdkit_properties.amw 163.242
_pdbe_chem_comp_rdkit_properties.lipinskiHBA 3
_pdbe_chem_comp_rdkit_properties.lipinskiHBD 3
_pdbe_chem_comp_rdkit_properties.NumRotatableBonds 7
_pdbe_chem_comp_rdkit_properties.NumHBD 2
_pdbe_chem_comp_rdkit_properties.NumHBA 4
_pdbe_chem_comp_rdkit_properties.NumHeavyAtoms 10
_pdbe_chem_comp_rdkit_properties.NumAtoms 23
_pdbe_chem_comp_rdkit_properties.NumHeteroatoms 4
_pdbe_chem_comp_rdkit_properties.NumAmideBonds 0
_pdbe_chem_comp_rdkit_properties.FractionCSP3 0.833
_pdbe_chem_comp_rdkit_properties.NumRings 0
_pdbe_chem_comp_rdkit_properties.NumAromaticRings 0
_pdbe_chem_comp_rdkit_properties.NumAliphaticRings 0
_pdbe_chem_comp_rdkit_properties.NumSaturatedRings 0
_pdbe_chem_comp_rdkit_properties.NumHeterocycles 0
_pdbe_chem_comp_rdkit_properties.NumAromaticHeterocycles 0
_pdbe_chem_comp_rdkit_properties.NumSaturatedHeterocycles 0
_pdbe_chem_comp_rdkit_properties.NumAliphaticHeterocycles 0
_pdbe_chem_comp_rdkit_properties.NumSpiroAtoms 0
_pdbe_chem_comp_rdkit_properties.NumBridgeheadAtoms 0
_pdbe_chem_comp_rdkit_properties.NumAtomStereoCenters 1
_pdbe_chem_comp_rdkit_properties.NumUnspecifiedAtomStereoCenters 0
_pdbe_chem_comp_rdkit_properties.labuteASA 83.450
_pdbe_chem_comp_rdkit_properties.tpsa 63.320
_pdbe_chem_comp_rdkit_properties.CrippenClogP 0.542
_pdbe_chem_comp_rdkit_properties.CrippenMR 43.227
_pdbe_chem_comp_rdkit_properties.chi0v 5.488
_pdbe_chem_comp_rdkit_properties.chi1v 2.857
_pdbe_chem_comp_rdkit_properties.chi2v 0.771
_pdbe_chem_comp_rdkit_properties.chi3v 0.771
_pdbe_chem_comp_rdkit_properties.chi4v 0.349
_pdbe_chem_comp_rdkit_properties.chi0n 17.672
_pdbe_chem_comp_rdkit_properties.chi1n 8.343
_pdbe_chem_comp_rdkit_properties.chi2n 0.465
_pdbe_chem_comp_rdkit_properties.chi3n 0.465
_pdbe_chem_comp_rdkit_properties.chi4n 0.150
_pdbe_chem_comp_rdkit_properties.hallKierAlpha -0.220
_pdbe_chem_comp_rdkit_properties.kappa1 1.589
_pdbe_chem_comp_rdkit_properties.kappa2 5.556
_pdbe_chem_comp_rdkit_properties.kappa3 4.639
_pdbe_chem_comp_rdkit_properties.Phi 0.883
#
loop_
_pdbe_chem_comp_external_mappings.comp_id
_pdbe_chem_comp_external_mappings.source
_pdbe_chem_comp_external_mappings.resource
_pdbe_chem_comp_external_mappings.resource_id
ESC UniChem 'KEGG LIGAND' C11227
ESC UniChem ChEBI 4886
ESC UniChem ZINC ZINC000001532201
ESC UniChem eMolecules 537882
ESC UniChem atlas ethionine
ESC UniChem fdasrs WX1BN24WZT
ESC UniChem 'PubChem TPHARMA' 14843110
ESC UniChem ACTor 535-32-0
ESC UniChem Nikkaji J9.260F
ESC UniChem BRENDA 1447
ESC UniChem BRENDA 195112
ESC UniChem BRENDA 22159
ESC UniChem ChemicalBook CB9426830
ESC UniChem 'Probes And Drugs' PD053503
ESC UniChem 'EPA CompTox Dashboard' DTXSID5020578
ESC UniChem SureChEMBL SCHEMBL8967
ESC UniChem PubChem 25674
ESC UniChem PubChem 6992071
ESC UniChem Mcule MCULE-1077672629
ESC UniChem BindingDb 50179693
#
loop_
_pdbe_chem_comp_rdkit_conformer.comp_id
_pdbe_chem_comp_rdkit_conformer.atom_id
_pdbe_chem_comp_rdkit_conformer.Cartn_x_rdkit
_pdbe_chem_comp_rdkit_conformer.Cartn_y_rdkit
_pdbe_chem_comp_rdkit_conformer.Cartn_z_rdkit
_pdbe_chem_comp_rdkit_conformer.rdkit_method
_pdbe_chem_comp_rdkit_conformer.rdkit_ordinal
ESC N 1.794 1.254 0.792 ETKDGv3 1
ESC CA 1.995 0.049 -0.018 ETKDGv3 2
ESC CB 0.814 -0.162 -0.983 ETKDGv3 3
ESC CG -0.497 -0.414 -0.234 ETKDGv3 4
ESC SD -1.845 -0.702 -1.432 ETKDGv3 5
ESC C 3.291 0.130 -0.781 ETKDGv3 6
ESC O 3.480 1.052 -1.621 ETKDGv3 7
ESC CD -3.170 -0.902 -0.188 ETKDGv3 8
ESC CE -3.781 0.446 0.172 ETKDGv3 9
ESC OXT 4.284 -0.818 -0.559 ETKDGv3 10
ESC H 2.591 1.344 1.462 ETKDGv3 11
ESC H2 1.806 2.098 0.173 ETKDGv3 12
ESC HA 2.050 -0.829 0.665 ETKDGv3 13
ESC HB2 1.027 -1.041 -1.631 ETKDGv3 14
ESC HB3 0.697 0.730 -1.638 ETKDGv3 15
ESC HG2 -0.743 0.465 0.396 ETKDGv3 16
ESC HG3 -0.388 -1.310 0.415 ETKDGv3 17
ESC HD2 -2.789 -1.405 0.727 ETKDGv3 18
ESC HD3 -3.961 -1.546 -0.626 ETKDGv3 19
ESC HE1 -3.024 1.104 0.647 ETKDGv3 20
ESC HE2 -4.175 0.942 -0.740 ETKDGv3 21
ESC HE3 -4.617 0.296 0.886 ETKDGv3 22
ESC HXT 5.162 -0.779 -1.063 ETKDGv3 23
#