data_B55
#

_chem_comp.id                                   B55
_chem_comp.name                                 "2-amino-8-sulfanyl-1,9-dihydro-6H-purin-6-one"
_chem_comp.type                                 NON-POLYMER
_chem_comp.pdbx_type                            HETAIN
_chem_comp.formula                              "C5 H5 N5 O S"
_chem_comp.mon_nstd_parent_comp_id              ?
_chem_comp.pdbx_synonyms                        "2-amino-8-mercapto-1H-purin-6(9H)-one"
_chem_comp.pdbx_formal_charge                   0
_chem_comp.pdbx_initial_date                    2009-04-24
_chem_comp.pdbx_modified_date                   2020-06-17
_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                       183.191
_chem_comp.one_letter_code                      ?
_chem_comp.three_letter_code                    B55
_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       3H24
_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
B55  O1    O1    O  0  1  N  N  N  -79.636  85.736  91.801  -1.266  -2.553  -0.001  O1    B55   1  
B55  C5    C5    C  0  1  N  N  N  -78.660  84.810  91.981  -1.277  -1.334   0.001  C5    B55   2  
B55  C2    C2    C  0  1  Y  N  N  -77.748  84.948  93.012  -0.070  -0.600   0.008  C2    B55   3  
B55  N1    N1    N  0  1  Y  N  N  -77.586  85.889  93.956   1.245  -0.945   0.013  N1    B55   4  
B55  N4    N4    N  0  1  N  N  N  -78.538  83.705  91.188  -2.443  -0.652  -0.008  N4    B55   5  
B55  C4    C4    C  0  1  N  N  N  -77.544  82.768  91.387  -2.444   0.711  -0.006  C4    B55   6  
B55  N3    N3    N  0  1  N  N  N  -77.462  81.700  90.568  -3.644   1.378  -0.016  N3    B55   7  
B55  N2    N2    N  0  1  N  N  N  -76.644  82.874  92.389  -1.327   1.405   0.006  N2    B55   8  
B55  C3    C3    C  0  1  Y  N  N  -76.748  83.955  93.191  -0.135   0.797   0.011  C3    B55   9  
B55  N5    N5    N  0  1  Y  N  N  -75.933  84.247  94.219   1.163   1.243   0.018  N5    B55  10  
B55  C1    C1    C  0  1  Y  N  N  -76.506  85.401  94.609   1.976   0.141   0.019  C1    B55  11  
B55  S1    S1    S  0  1  N  N  N  -75.874  86.315  95.961   3.738   0.179   0.026  S1    B55  12  
B55  HN4   HN4   H  0  1  N  N  N  -79.188  83.571  90.440  -3.285  -1.135  -0.017  HN4   B55  13  
B55  HN3   HN3   H  0  1  N  N  N  -76.694  81.122  90.845  -4.476   0.880  -0.024  HN3   B55  14  
B55  HN3A  HN3A  H  0  0  N  N  N  -78.076  81.514  89.801  -3.660   2.348  -0.014  HN3A  B55  15  
B55  HN5   HN5   H  0  1  N  N  N  -75.142  83.756  94.583   1.452   2.169   0.020  HN5   B55  16  
B55  HS1   HS1   H  0  1  N  N  N  -75.717  85.526  96.983   3.989   0.188  -1.361  HS1   B55  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
B55  O1  C5    DOUB  N  N   1  
B55  C5  C2    SING  N  N   2  
B55  C5  N4    SING  N  N   3  
B55  C2  N1    SING  Y  N   4  
B55  C2  C3    DOUB  Y  N   5  
B55  N1  C1    DOUB  Y  N   6  
B55  N4  C4    SING  N  N   7  
B55  C4  N3    SING  N  N   8  
B55  C4  N2    DOUB  N  N   9  
B55  N2  C3    SING  N  N  10  
B55  C3  N5    SING  Y  N  11  
B55  N5  C1    SING  Y  N  12  
B55  C1  S1    SING  N  N  13  
B55  N4  HN4   SING  N  N  14  
B55  N3  HN3   SING  N  N  15  
B55  N3  HN3A  SING  N  N  16  
B55  N5  HN5   SING  N  N  17  
B55  S1  HS1   SING  N  N  18  
#   #
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
B55  SMILES            ACDLabs               10.04  "O=C1c2nc(S)nc2N=C(N1)N"  
B55  SMILES_CANONICAL  CACTVS                3.341  "NC1=Nc2[nH]c(S)nc2C(=O)N1"  
B55  SMILES            CACTVS                3.341  "NC1=Nc2[nH]c(S)nc2C(=O)N1"  
B55  SMILES_CANONICAL  "OpenEye OEToolkits"  1.5.0  "c12c([nH]c(n1)S)N=C(NC2=O)N"  
B55  SMILES            "OpenEye OEToolkits"  1.5.0  "c12c([nH]c(n1)S)N=C(NC2=O)N"  
B55  InChI             InChI                 1.03   "InChI=1S/C5H5N5OS/c6-4-8-2-1(3(11)10-4)7-5(12)9-2/h(H5,6,7,8,9,10,11,12)"  
B55  InChIKey          InChI                 1.03   JHEKNTQSGTVPAO-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
B55  "SYSTEMATIC NAME"  ACDLabs               10.04  "2-amino-8-sulfanyl-1,9-dihydro-6H-purin-6-one"  
B55  "SYSTEMATIC NAME"  "OpenEye OEToolkits"  1.5.0  "2-amino-8-sulfanyl-1,9-dihydropurin-6-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
B55  "Create component"      2009-04-24  RCSB  
B55  "Modify aromatic_flag"  2011-06-04  RCSB  
B55  "Modify descriptor"     2011-06-04  RCSB  
B55  "Modify synonyms"       2020-06-05  PDBE  
#
_pdbx_chem_comp_synonyms.ordinal     1
_pdbx_chem_comp_synonyms.comp_id     B55
_pdbx_chem_comp_synonyms.name        "2-amino-8-mercapto-1H-purin-6(9H)-one"
_pdbx_chem_comp_synonyms.provenance  ?
_pdbx_chem_comp_synonyms.type        ?
##
