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  
##
