data_IGA
#

_chem_comp.id                                   IGA
_chem_comp.name                                 "6-amino-3,7-dihydro-2H-purin-2-one"
_chem_comp.type                                 NON-POLYMER
_chem_comp.pdbx_type                            HETAIN
_chem_comp.formula                              "C5 H5 N5 O"
_chem_comp.mon_nstd_parent_comp_id              ?
_chem_comp.pdbx_synonyms                        Isoguanine
_chem_comp.pdbx_formal_charge                   0
_chem_comp.pdbx_initial_date                    2011-04-28
_chem_comp.pdbx_modified_date                   2021-03-01
_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                       151.126
_chem_comp.one_letter_code                      ?
_chem_comp.three_letter_code                    IGA
_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       3RN6
_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
IGA  N1    N1    N  0  1  N  N  N  -69.115  20.223  -16.565  -1.566   0.800  -0.000  N1    IGA   1  
IGA  C2    C2    C  0  1  N  N  N  -69.736  19.962  -15.366  -1.785  -0.512   0.000  C2    IGA   2  
IGA  O2    O2    O  0  1  N  N  N  -70.351  20.878  -14.754  -2.934  -0.922   0.000  O2    IGA   3  
IGA  N3    N3    N  0  1  N  N  N  -69.727  18.736  -14.788  -0.773  -1.401  -0.000  N3    IGA   4  
IGA  C4    C4    C  0  1  Y  N  N  -69.099  17.696  -15.370   0.531  -0.953  -0.000  C4    IGA   5  
IGA  C5    C5    C  0  1  Y  N  N  -68.406  17.901  -16.666   0.764   0.420   0.000  C5    IGA   6  
IGA  C6    C6    C  0  1  N  N  N  -68.453  19.263  -17.260  -0.334   1.298  -0.000  C6    IGA   7  
IGA  N6    N6    N  0  1  N  N  N  -67.877  19.478  -18.360  -0.135   2.659   0.000  N6    IGA   8  
IGA  N7    N7    N  0  1  Y  N  N  -67.868  16.722  -17.016   2.135   0.577   0.000  N7    IGA   9  
IGA  C8    C8    C  0  1  Y  N  N  -68.179  15.824  -16.041   2.675  -0.659  -0.000  C8    IGA  10  
IGA  N9    N9    N  0  1  Y  N  N  -68.918  16.405  -15.055   1.724  -1.557  -0.000  N9    IGA  11  
IGA  HN3   HN3   H  0  1  N  N  N  -70.195  18.601  -13.914  -0.961  -2.352   0.000  HN3   IGA  12  
IGA  HN6   HN6   H  0  1  N  N  N  -67.894  20.393  -18.763  -0.896   3.261   0.000  HN6   IGA  13  
IGA  HN6A  HN6A  H  0  0  N  N  N  -67.403  18.733  -18.830   0.766   3.017   0.000  HN6A  IGA  14  
IGA  H8    H8    H  0  1  N  N  N  -67.879  14.787  -16.048   3.733  -0.875  -0.000  H8    IGA  15  
IGA  HN7   HN7   H  0  1  N  N  N  -67.336  16.537  -17.842   2.620   1.418  -0.000  HN7   IGA  16  
#   #
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
IGA  C6  N1    DOUB  N  N   1  
IGA  N1  C2    SING  N  N   2  
IGA  C2  N3    SING  N  N   3  
IGA  C2  O2    DOUB  N  N   4  
IGA  C4  N3    SING  N  N   5  
IGA  N3  HN3   SING  N  N   6  
IGA  C5  C4    DOUB  Y  N   7  
IGA  C4  N9    SING  Y  N   8  
IGA  C6  C5    SING  N  N   9  
IGA  N7  C5    SING  Y  N  10  
IGA  N6  C6    SING  N  N  11  
IGA  N6  HN6   SING  N  N  12  
IGA  N6  HN6A  SING  N  N  13  
IGA  N7  C8    SING  Y  N  14  
IGA  C8  N9    DOUB  Y  N  15  
IGA  C8  H8    SING  N  N  16  
IGA  N7  HN7   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
IGA  SMILES            ACDLabs               12.01  "O=C2N=C(c1c(ncn1)N2)N"  
IGA  SMILES_CANONICAL  CACTVS                3.370  "NC1=NC(=O)Nc2nc[nH]c12"  
IGA  SMILES            CACTVS                3.370  "NC1=NC(=O)Nc2nc[nH]c12"  
IGA  SMILES_CANONICAL  "OpenEye OEToolkits"  1.7.2  "c1[nH]c2c(n1)NC(=O)N=C2N"  
IGA  SMILES            "OpenEye OEToolkits"  1.7.2  "c1[nH]c2c(n1)NC(=O)N=C2N"  
IGA  InChI             InChI                 1.03   "InChI=1S/C5H5N5O/c6-3-2-4(8-1-7-2)10-5(11)9-3/h1H,(H4,6,7,8,9,10,11)"  
IGA  InChIKey          InChI                 1.03   DRAVOWXCEBXPTN-UHFFFAOYSA-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
IGA  "SYSTEMATIC NAME"  ACDLabs               12.01  "6-amino-3,7-dihydro-2H-purin-2-one"  
IGA  "SYSTEMATIC NAME"  "OpenEye OEToolkits"  1.7.2  "6-azanyl-3,7-dihydropurin-2-one"  
#   #
loop_
_pdbx_chem_comp_audit.comp_id
_pdbx_chem_comp_audit.action_type
_pdbx_chem_comp_audit.date
_pdbx_chem_comp_audit.processing_site
IGA  "Create component"      2011-04-28  RCSB  
IGA  "Modify aromatic_flag"  2011-06-04  RCSB  
IGA  "Modify descriptor"     2011-06-04  RCSB  
IGA  "Modify synonyms"       2021-03-01  PDBE  
#
_pdbx_chem_comp_synonyms.ordinal     1
_pdbx_chem_comp_synonyms.comp_id     IGA
_pdbx_chem_comp_synonyms.name        Isoguanine
_pdbx_chem_comp_synonyms.provenance  ?
_pdbx_chem_comp_synonyms.type        ?
##
