data_R2B # _chem_comp.id R2B _chem_comp.name "1,4-anhydro-D-erythro-pent-1-enitol" _chem_comp.type D-saccharide _chem_comp.pdbx_type ATOMS _chem_comp.formula "C5 H8 O4" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2005-05-11 _chem_comp.pdbx_modified_date 2020-07-17 _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 132.115 _chem_comp.one_letter_code ? _chem_comp.three_letter_code R2B _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 ? _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.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 R2B C1 C1 C 0 1 N N N 129.571 -20.050 -47.131 0.618 -1.213 0.683 C1 R2B 1 R2B O4 O4 O 0 1 N N N 130.930 -20.555 -47.082 -0.491 -0.585 1.146 O4 R2B 2 R2B C4 C4 C 0 1 N N R 131.781 -19.727 -47.929 -0.801 0.512 0.265 C4 R2B 3 R2B C5 C5 C 0 1 N N N 132.673 -18.657 -47.340 -1.784 0.077 -0.824 C5 R2B 4 R2B O5 O5 O 0 1 N N N 133.571 -19.345 -46.295 -3.045 -0.239 -0.230 O5 R2B 5 R2B C3 C3 C 0 1 N N R 130.814 -19.196 -48.979 0.587 0.836 -0.339 C3 R2B 6 R2B O3 O3 O 0 1 N N N 130.846 -20.065 -50.125 1.236 1.874 0.398 O3 R2B 7 R2B C2 C2 C 0 1 N N N 129.445 -19.394 -48.522 1.314 -0.487 -0.170 C2 R2B 8 R2B O2 O2 O 0 1 N N N 128.275 -19.063 -49.201 2.470 -0.855 -0.785 O2 R2B 9 R2B H1 H1 H 0 1 N N N 128.814 -20.118 -46.363 0.906 -2.209 0.986 H1 R2B 10 R2B H4 H4 H 0 1 N N N 132.600 -20.363 -48.295 -1.192 1.362 0.824 H4 R2B 11 R2B H51 H51 H 0 1 N N N 133.288 -18.196 -48.127 -1.913 0.888 -1.541 H51 R2B 12 R2B H52 H52 H 0 1 N N N 132.066 -17.873 -46.864 -1.393 -0.802 -1.336 H52 R2B 13 R2B HO5 HO5 H 0 1 N N N 134.149 -18.702 -45.901 -3.718 -0.523 -0.863 HO5 R2B 14 R2B H3 H3 H 0 1 N N N 131.086 -18.149 -49.178 0.501 1.103 -1.392 H3 R2B 15 R2B HO3 HO3 H 0 1 N N N 130.245 -19.741 -50.786 2.109 2.112 0.058 HO3 R2B 16 R2B HO2 HO2 H 0 1 N N N 128.494 -18.671 -50.038 2.777 -1.741 -0.548 HO2 R2B 17 # # 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 R2B C1 O4 SING N N 1 R2B C1 C2 DOUB N N 2 R2B C1 H1 SING N N 3 R2B O4 C4 SING N N 4 R2B C4 C5 SING N N 5 R2B C4 C3 SING N N 6 R2B C4 H4 SING N N 7 R2B C5 O5 SING N N 8 R2B C5 H51 SING N N 9 R2B C5 H52 SING N N 10 R2B O5 HO5 SING N N 11 R2B C3 O3 SING N N 12 R2B C3 C2 SING N N 13 R2B C3 H3 SING N N 14 R2B O3 HO3 SING N N 15 R2B C2 O2 SING N N 16 R2B O2 HO2 SING N N 17 # # 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 R2B SMILES ACDLabs 12.01 "OC1=COC(CO)C1O" R2B SMILES_CANONICAL CACTVS 3.370 "OC[C@H]1OC=C(O)[C@@H]1O" R2B SMILES CACTVS 3.370 "OC[CH]1OC=C(O)[CH]1O" R2B SMILES_CANONICAL "OpenEye OEToolkits" 1.7.0 "C1=C([C@@H]([C@H](O1)CO)O)O" R2B SMILES "OpenEye OEToolkits" 1.7.0 "C1=C(C(C(O1)CO)O)O" R2B InChI InChI 1.03 "InChI=1S/C5H8O4/c6-1-4-5(8)3(7)2-9-4/h2,4-8H,1H2/t4-,5+/m1/s1" R2B InChIKey InChI 1.03 WGCMRWDTTZWXPL-UHNVWZDZSA-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 R2B "SYSTEMATIC NAME" ACDLabs 12.01 "1,4-anhydro-D-erythro-pent-1-enitol" R2B "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.0 "(2R,3R)-2-(hydroxymethyl)-2,3-dihydrofuran-3,4-diol" # # loop_ _pdbx_chem_comp_feature.comp_id _pdbx_chem_comp_feature.type _pdbx_chem_comp_feature.value _pdbx_chem_comp_feature.source _pdbx_chem_comp_feature.support R2B "CARBOHYDRATE ISOMER" D PDB ? R2B "CARBOHYDRATE RING" dihydrofuran PDB ? R2B "CARBOHYDRATE PRIMARY CARBONYL GROUP" aldose PDB ? # # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site R2B "Create component" 2005-05-11 RCSB R2B "Modify descriptor" 2011-06-04 RCSB R2B "Other modification" 2020-04-12 RCSB R2B "Other modification" 2020-07-03 RCSB R2B "Modify linking type" 2020-07-17 RCSB R2B "Modify component atom id" 2020-07-17 RCSB ##