data_OCS
#

_chem_comp.id                                   OCS
_chem_comp.name                                 "CYSTEINESULFONIC ACID"
_chem_comp.type                                 "L-PEPTIDE LINKING"
_chem_comp.pdbx_type                            ATOMP
_chem_comp.formula                              "C3 H7 N O5 S"
_chem_comp.mon_nstd_parent_comp_id              CYS
_chem_comp.pdbx_synonyms                        ?
_chem_comp.pdbx_formal_charge                   0
_chem_comp.pdbx_initial_date                    1999-07-08
_chem_comp.pdbx_modified_date                   2014-10-29
_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                       169.156
_chem_comp.one_letter_code                      C
_chem_comp.three_letter_code                    OCS
_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                 PDBJ
#   #
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
OCS  N    N    N  0  1  N  N  N  72.420  97.773  16.506  -0.868   1.606  -0.475  N    OCS   1  
OCS  CA   CA   C  0  1  N  N  R  71.014  97.756  16.023  -1.045   0.148  -0.434  CA   OCS   2  
OCS  CB   CB   C  0  1  N  N  N  70.790  96.880  14.808  -0.032  -0.461   0.537  CB   OCS   3  
OCS  SG   SG   S  0  1  N  N  N  72.006  97.093  13.487   1.650  -0.072  -0.021  SG   OCS   4  
OCS  C    C    C  0  1  N  N  N  70.059  97.164  17.051  -2.442  -0.175   0.030  C    OCS   5  
OCS  O    O    O  0  1  N  N  N  70.373  96.132  17.621  -3.085   0.651   0.632  O    OCS   6  
OCS  OXT  OXT  O  0  1  N  Y  N  68.900  97.791  17.229  -2.972  -1.382  -0.227  OXT  OCS   7  
OCS  OD1  OD1  O  0  1  N  N  N  72.524  98.472  13.601   1.911   1.318   0.113  OD1  OCS   8  
OCS  OD2  OD2  O  0  1  N  Y  N  73.029  96.016  13.662   2.554  -0.725   1.014  OD2  OCS   9  
OCS  OD3  OD3  O  0  1  N  N  N  71.390  96.830  12.151   1.946  -0.760  -1.229  OD3  OCS  10  
OCS  H    HN1  H  0  1  N  N  N  72.491  98.369  17.306  -1.482   2.025  -1.157  H    OCS  11  
OCS  HN2  HN2  H  0  1  N  Y  N  72.698  96.845  16.756  -1.009   2.013   0.437  HN2  OCS  12  
OCS  HA   HA   H  0  1  N  N  N  70.695  98.782  15.789  -0.888  -0.265  -1.430  HA   OCS  13  
OCS  HB2  HB1  H  0  1  N  N  N  70.818  95.830  15.133  -0.189  -0.048   1.533  HB2  OCS  14  
OCS  HB3  HB2  H  0  1  N  N  N  69.795  97.110  14.398  -0.163  -1.543   0.567  HB3  OCS  15  
OCS  HXT  HXT  H  0  1  N  Y  N  68.373  97.312  17.858  -3.871  -1.543   0.090  HXT  OCS  16  
OCS  HD2  HD2  H  0  1  N  Y  N  73.028  95.451  12.898   3.499  -0.600   0.846  HD2  OCS  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
OCS  N    CA   SING  N  N   1  
OCS  N    H    SING  N  N   2  
OCS  N    HN2  SING  N  N   3  
OCS  CA   CB   SING  N  N   4  
OCS  CA   C    SING  N  N   5  
OCS  CA   HA   SING  N  N   6  
OCS  CB   SG   SING  N  N   7  
OCS  CB   HB2  SING  N  N   8  
OCS  CB   HB3  SING  N  N   9  
OCS  SG   OD1  DOUB  N  N  10  
OCS  SG   OD2  SING  N  N  11  
OCS  SG   OD3  DOUB  N  N  12  
OCS  C    O    DOUB  N  N  13  
OCS  C    OXT  SING  N  N  14  
OCS  OXT  HXT  SING  N  N  15  
OCS  OD2  HD2  SING  N  N  16  
#   #
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
OCS  SMILES            ACDLabs               12.01  "O=S(=O)(O)CC(C(=O)O)N"  
OCS  InChI             InChI                 1.03   "InChI=1S/C3H7NO5S/c4-2(3(5)6)1-10(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)/t2-/m0/s1"  
OCS  InChIKey          InChI                 1.03   XVOYSCVBGLVSOL-REOHCLBHSA-N  
OCS  SMILES_CANONICAL  CACTVS                3.385  "N[C@@H](C[S](O)(=O)=O)C(O)=O"  
OCS  SMILES            CACTVS                3.385  "N[CH](C[S](O)(=O)=O)C(O)=O"  
OCS  SMILES_CANONICAL  "OpenEye OEToolkits"  1.7.6  "C([C@@H](C(=O)O)N)S(=O)(=O)O"  
OCS  SMILES            "OpenEye OEToolkits"  1.7.6  "C(C(C(=O)O)N)S(=O)(=O)O"  
#   #
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
OCS  "SYSTEMATIC NAME"  ACDLabs               12.01  3-sulfo-L-alanine  
OCS  "SYSTEMATIC NAME"  "OpenEye OEToolkits"  1.7.6  "(2R)-2-azanyl-3-sulfo-propanoic 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
OCS  "Create component"          1999-07-08  PDBJ  
OCS  "Modify descriptor"         2011-06-04  RCSB  
OCS  "Modify leaving atom flag"  2014-10-29  RCSB  
##
