data_EN1
#
_chem_comp.id EN1
_chem_comp.name "(2E)-2-hydroxy-3-(4-hydroxyphenyl)prop-2-enoic acid"
_chem_comp.type NON-POLYMER
_chem_comp.pdbx_type HETAIN
_chem_comp.formula "C9 H8 O4"
_chem_comp.mon_nstd_parent_comp_id ?
_chem_comp.pdbx_synonyms ?
_chem_comp.pdbx_formal_charge 0
_chem_comp.pdbx_initial_date 2009-09-11
_chem_comp.pdbx_modified_date 2011-06-04
_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 180.157
_chem_comp.one_letter_code ?
_chem_comp.three_letter_code EN1
_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 3IJJ
_chem_comp.pdbx_subcomponent_list ?
_chem_comp.pdbx_processing_site RCSB
#
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
EN1 C1 C1 C 0 1 N N N N N N 30.049 13.406 28.584 1.989 -0.801 0.298 C1 EN1 1
EN1 O1 O1 O 0 1 N N N N N N 28.973 13.828 29.056 0.898 -1.197 0.661 O1 EN1 2
EN1 C2 C2 C 0 1 N N N N N N 31.314 14.252 28.743 2.163 0.598 -0.104 C2 EN1 3
EN1 O2 O2 O 0 1 N N N N N N 30.171 12.321 27.974 3.039 -1.647 0.270 O2 EN1 4
EN1 C3 C3 C 0 1 N N N N N N 31.351 15.644 28.731 1.088 1.412 -0.206 C3 EN1 5
EN1 O3 O3 O 0 1 N N N N N N 27.271 19.390 28.884 -4.079 -0.737 0.002 O3 EN1 6
EN1 C4 C4 C 0 1 Y N N N N N 30.290 16.545 28.766 -0.269 0.848 -0.152 C4 EN1 7
EN1 O4 O4 O 0 1 N N N N N N 32.487 13.582 28.894 3.407 1.078 -0.374 O4 EN1 8
EN1 C5 C5 C 0 1 Y N N N N N 28.958 16.153 28.833 -1.258 1.472 0.616 C5 EN1 9
EN1 C6 C6 C 0 1 Y N N N N N 27.944 17.103 28.878 -2.527 0.939 0.664 C6 EN1 10
EN1 C7 C7 C 0 1 Y N N N N N 28.259 18.457 28.851 -2.826 -0.216 -0.049 C7 EN1 11
EN1 C8 C8 C 0 1 Y N N N N N 29.586 18.860 28.779 -1.847 -0.840 -0.813 C8 EN1 12
EN1 C9 C9 C 0 1 Y N N N N N 30.591 17.902 28.740 -0.576 -0.312 -0.872 C9 EN1 13
EN1 H3 H3 H 0 1 N N N N N N 32.336 16.084 28.689 1.225 2.476 -0.328 H3 EN1 14
EN1 HO3 HO3 H 0 1 N N N N N N 27.654 20.259 28.859 -4.674 -0.398 -0.681 HO3 EN1 15
EN1 HO4 HO4 H 0 1 N N N N N N 33.199 14.205 28.983 3.422 2.010 -0.630 HO4 EN1 16
EN1 H5 H5 H 0 1 N N N N N N 28.709 15.102 28.850 -1.027 2.369 1.171 H5 EN1 17
EN1 H6 H6 H 0 1 N N N N N N 26.912 16.789 28.934 -3.292 1.420 1.256 H6 EN1 18
EN1 H8 H8 H 0 1 N N N N N N 29.835 19.911 28.754 -2.084 -1.738 -1.364 H8 EN1 19
EN1 H9 H9 H 0 1 N N N N N N 31.623 18.216 28.689 0.183 -0.795 -1.469 H9 EN1 20
EN1 H81 H81 H 0 1 N N N N N N 29.328 11.884 27.932 2.828 -2.546 0.556 H81 EN1 21
#
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
EN1 C1 O1 DOUB N N 1
EN1 C1 C2 SING N N 2
EN1 C1 O2 SING N N 3
EN1 C2 C3 DOUB N E 4
EN1 C2 O4 SING N N 5
EN1 C3 C4 SING N N 6
EN1 C3 H3 SING N N 7
EN1 O3 C7 SING N N 8
EN1 O3 HO3 SING N N 9
EN1 C4 C5 DOUB Y N 10
EN1 C4 C9 SING Y N 11
EN1 O4 HO4 SING N N 12
EN1 C5 C6 SING Y N 13
EN1 C5 H5 SING N N 14
EN1 C6 C7 DOUB Y N 15
EN1 C6 H6 SING N N 16
EN1 C7 C8 SING Y N 17
EN1 C8 C9 DOUB Y N 18
EN1 C8 H8 SING N N 19
EN1 C9 H9 SING N N 20
EN1 O2 H81 SING N N 21
#
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
EN1 SMILES ACDLabs 11.02 O=C(O)C(/O)=C\c1ccc(O)cc1
EN1 SMILES_CANONICAL CACTVS 3.352 OC(=O)\C(O)=C/c1ccc(O)cc1
EN1 SMILES CACTVS 3.352 OC(=O)C(O)=Cc1ccc(O)cc1
EN1 SMILES_CANONICAL "OpenEye OEToolkits" 1.7.0 c1cc(ccc1/C=C(\C(=O)O)/O)O
EN1 SMILES "OpenEye OEToolkits" 1.7.0 c1cc(ccc1C=C(C(=O)O)O)O
EN1 InChI InChI 1.03 InChI=1S/C9H8O4/c10-7-3-1-6(2-4-7)5-8(11)9(12)13/h1-5,10-11H,(H,12,13)/b8-5+
EN1 InChIKey InChI 1.03 GQYBCIHRWMPOOF-VMPITWQZSA-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
EN1 "SYSTEMATIC NAME" ACDLabs 11.02 "(2E)-2-hydroxy-3-(4-hydroxyphenyl)prop-2-enoic acid"
EN1 "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.6.1 "(E)-2-hydroxy-3-(4-hydroxyphenyl)prop-2-enoic 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
EN1 'Create component' 2009-09-11 RCSB
EN1 'Modify aromatic_flag' 2011-06-04 RCSB
EN1 'Modify descriptor' 2011-06-04 RCSB
#
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
EN1 C1 C 6.897 1.875 1
EN1 O1 O 8.196 2.625 2
EN1 C2 C 5.598 2.625 3
EN1 O2 O 6.897 0.375 4
EN1 C3 C 4.299 1.875 5
EN1 O3 O 4.299 -4.125 6
EN1 C4 C 4.299 0.375 7
EN1 O4 O 5.598 4.125 8
EN1 C5 C 3.000 -0.375 9
EN1 C6 C 3.000 -1.875 10
EN1 C7 C 4.299 -2.625 11
EN1 C8 C 5.598 -1.875 12
EN1 C9 C 5.598 -0.375 13
#
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
EN1 C1 O1 DOUBLE NONE 1
EN1 C1 C2 SINGLE ENDUPRIGHT 2
EN1 C1 O2 SINGLE NONE 3
EN1 C2 C3 DOUBLE NONE 4
EN1 C2 O4 SINGLE ENDUPRIGHT 5
EN1 C3 C4 SINGLE ENDDOWNRIGHT 6
EN1 O3 C7 SINGLE NONE 7
EN1 C4 C5 DOUBLE NONE 8
EN1 C4 C9 SINGLE NONE 9
EN1 C5 C6 SINGLE NONE 10
EN1 C6 C7 DOUBLE NONE 11
EN1 C7 C8 SINGLE NONE 12
EN1 C8 C9 DOUBLE NONE 13
#
loop_
_pdbe_chem_comp_substructure.comp_id
_pdbe_chem_comp_substructure.substructure_name
_pdbe_chem_comp_substructure.id
_pdbe_chem_comp_substructure.substructure_type
_pdbe_chem_comp_substructure.substructure_smiles
_pdbe_chem_comp_substructure.substructure_inchis
_pdbe_chem_comp_substructure.substructure_inchikeys
EN1 MurckoScaffold S1 scaffold c1ccccc1 InChI=1S/C6H6/c1-2-4-6-5-3-1/h1-6H UHOVQNZJYSORNB-UHFFFAOYSA-N
EN1 phenyl F1 fragment c1ccccc1 InChI=1S/C6H6/c1-2-4-6-5-3-1/h1-6H UHOVQNZJYSORNB-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
EN1 C4 S1 1
EN1 C5 S1 1
EN1 C6 S1 1
EN1 C7 S1 1
EN1 C8 S1 1
EN1 C9 S1 1
EN1 C4 F1 1
EN1 C5 F1 1
EN1 C6 F1 1
EN1 C7 F1 1
EN1 C8 F1 1
EN1 C9 F1 1
#
_pdbe_chem_comp_rdkit_properties.comp_id EN1
_pdbe_chem_comp_rdkit_properties.exactmw 180.042
_pdbe_chem_comp_rdkit_properties.amw 180.159
_pdbe_chem_comp_rdkit_properties.lipinskiHBA 4
_pdbe_chem_comp_rdkit_properties.lipinskiHBD 3
_pdbe_chem_comp_rdkit_properties.NumRotatableBonds 4
_pdbe_chem_comp_rdkit_properties.NumHBD 3
_pdbe_chem_comp_rdkit_properties.NumHBA 4
_pdbe_chem_comp_rdkit_properties.NumHeavyAtoms 13
_pdbe_chem_comp_rdkit_properties.NumAtoms 21
_pdbe_chem_comp_rdkit_properties.NumHeteroatoms 4
_pdbe_chem_comp_rdkit_properties.NumAmideBonds 0
_pdbe_chem_comp_rdkit_properties.FractionCSP3 0
_pdbe_chem_comp_rdkit_properties.NumRings 1
_pdbe_chem_comp_rdkit_properties.NumAromaticRings 1
_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 0
_pdbe_chem_comp_rdkit_properties.NumUnspecifiedAtomStereoCenters 0
_pdbe_chem_comp_rdkit_properties.labuteASA 85.881
_pdbe_chem_comp_rdkit_properties.tpsa 77.760
_pdbe_chem_comp_rdkit_properties.CrippenClogP 0.859
_pdbe_chem_comp_rdkit_properties.CrippenMR 45.472
_pdbe_chem_comp_rdkit_properties.chi0v 6.133
_pdbe_chem_comp_rdkit_properties.chi1v 3.066
_pdbe_chem_comp_rdkit_properties.chi2v 1.026
_pdbe_chem_comp_rdkit_properties.chi3v 1.026
_pdbe_chem_comp_rdkit_properties.chi4v 0.528
_pdbe_chem_comp_rdkit_properties.chi0n 14.133
_pdbe_chem_comp_rdkit_properties.chi1n 6.791
_pdbe_chem_comp_rdkit_properties.chi2n 1.026
_pdbe_chem_comp_rdkit_properties.chi3n 1.026
_pdbe_chem_comp_rdkit_properties.chi4n 0.528
_pdbe_chem_comp_rdkit_properties.hallKierAlpha -1.970
_pdbe_chem_comp_rdkit_properties.kappa1 3.064
_pdbe_chem_comp_rdkit_properties.kappa2 3.620
_pdbe_chem_comp_rdkit_properties.kappa3 2.517
_pdbe_chem_comp_rdkit_properties.Phi 0.853
#
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
EN1 UniChem PubChem 444783
EN1 UniChem Nikkaji J1.463.227A
EN1 UniChem BRENDA 157514
EN1 UniChem BRENDA 3732
EN1 UniChem NMRShiftDB 70068618
#
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
EN1 C1 2.277 -0.991 0.568 ETKDGv3 1
EN1 O1 1.265 -1.516 1.106 ETKDGv3 2
EN1 C2 2.216 -0.449 -0.809 ETKDGv3 3
EN1 O2 3.484 -0.973 1.259 ETKDGv3 4
EN1 C3 1.086 -0.014 -1.393 ETKDGv3 5
EN1 O3 -3.982 0.782 1.094 ETKDGv3 6
EN1 C4 -0.216 0.160 -0.716 ETKDGv3 7
EN1 O4 3.389 -0.410 -1.562 ETKDGv3 8
EN1 C5 -1.342 -0.249 -1.324 ETKDGv3 9
EN1 C6 -2.657 -0.039 -0.683 ETKDGv3 10
EN1 C7 -2.739 0.590 0.496 ETKDGv3 11
EN1 C8 -1.507 1.082 1.153 ETKDGv3 12
EN1 C9 -0.314 0.886 0.578 ETKDGv3 13
EN1 H3 1.128 0.248 -2.444 ETKDGv3 14
EN1 HO3 -4.068 1.257 1.984 ETKDGv3 15
EN1 HO4 4.271 -0.745 -1.195 ETKDGv3 16
EN1 H5 -1.300 -0.749 -2.285 ETKDGv3 17
EN1 H6 -3.553 -0.397 -1.174 ETKDGv3 18
EN1 H8 -1.570 1.611 2.096 ETKDGv3 19
EN1 H9 0.578 1.271 1.056 ETKDGv3 20
EN1 H81 3.554 -1.356 2.195 ETKDGv3 21
#