data_CEP
# 
_chem_comp.id                                    CEP 
_chem_comp.name                                  "CEPHALOTHIN GROUP" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C16 H18 N2 O6 S2" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-07-08 
_chem_comp.pdbx_modified_date                    2011-06-04 
_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                        398.454 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     CEP 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   Y 
_chem_comp.pdbx_ideal_coordinates_details        "OpenEye/OEToolkits V1.4.2" 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        1CEG 
_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 
CEP S1     S1     S 0 1 N N N 18.102 -13.190 41.850 -4.472 -0.955 2.243  S1     CEP 1  
CEP C2     C2     C 0 1 N N N 18.415 -12.183 43.401 -4.280 0.809  1.858  C2     CEP 2  
CEP C3     C3     C 0 1 N N N 18.805 -10.707 43.085 -2.881 1.207  1.424  C3     CEP 3  
CEP "C3'"  "C3'"  C 0 1 N N N 19.064 -9.843  44.128 -2.608 2.676  1.638  "C3'"  CEP 4  
CEP "C2'"  "C2'"  C 0 1 N N N ?      ?       ?      -2.008 2.904  3.000  "C2'"  CEP 5  
CEP "O1'"  "O1'"  O 0 1 N N N ?      ?       ?      -1.750 2.047  3.834  "O1'"  CEP 6  
CEP "O2'"  "O2'"  O 0 1 N N N ?      ?       ?      -1.817 4.250  3.153  "O2'"  CEP 7  
CEP "C1'"  "C1'"  C 0 1 N N N ?      ?       ?      -1.266 4.655  4.410  "C1'"  CEP 8  
CEP C4     C4     C 0 1 N N N 18.814 -10.193 41.605 -2.018 0.316  0.885  C4     CEP 9  
CEP "C4'"  "C4'"  C 0 1 N N N 19.748 -9.063  41.096 -0.644 0.716  0.529  "C4'"  CEP 10 
CEP O4A    O4A    O 0 1 N N N 19.231 -8.015  40.633 -0.017 1.581  1.102  O4A    CEP 11 
CEP O4B    O4B    O 0 1 N N N 20.989 -9.249  41.101 -0.222 -0.025 -0.513 O4B    CEP 12 
CEP N5     N5     N 0 1 N N N 17.928 -10.725 40.666 -2.306 -1.010 0.635  N5     CEP 13 
CEP C6     C6     C 0 1 N N R 17.161 -11.969 40.869 -3.608 -1.627 0.788  C6     CEP 14 
CEP C7     C7     C 0 1 N N S 16.787 -12.511 39.467 -3.449 -3.133 0.948  C7     CEP 15 
CEP C8     C8     C 0 1 N N N 16.316 -11.312 38.639 -2.773 -3.753 -0.250 C8     CEP 16 
CEP O9     O9     O 0 1 N N N 17.089 -10.774 37.846 -3.248 -3.732 -1.383 O9     CEP 17 
CEP N10    N10    N 0 1 N N N 17.933 -13.087 38.772 -2.655 -3.452 2.101  N10    CEP 18 
CEP C11    C11    C 0 1 N N N 18.138 -14.395 38.730 -3.125 -4.241 3.148  C11    CEP 19 
CEP O12    O12    O 0 1 N N N 17.429 -15.202 39.349 -4.247 -4.740 3.199  O12    CEP 20 
CEP C13    C13    C 0 1 N N N 19.342 -14.859 37.945 -2.079 -4.421 4.231  C13    CEP 21 
CEP C14    C14    C 0 1 Y N N 20.526 -15.341 38.713 -2.169 -3.391 5.326  C14    CEP 22 
CEP C15    C15    C 0 1 Y N N 21.526 -14.516 39.206 -3.235 -3.126 6.130  C15    CEP 23 
CEP C16    C16    C 0 1 Y N N 22.124 -15.313 40.271 -2.938 -2.078 7.048  C16    CEP 24 
CEP C17    C17    C 0 1 Y N N 21.852 -16.573 40.281 -1.655 -1.600 6.891  C17    CEP 25 
CEP S19    S19    S 0 1 Y N N 20.697 -16.912 39.115 -0.815 -2.415 5.641  S19    CEP 26 
CEP H21    1H2    H 0 1 N N N 17.496 -12.179 44.005 -4.548 1.352  2.771  H21    CEP 27 
CEP H22    2H2    H 0 1 N N N 19.256 -12.645 43.938 -5.002 1.091  1.084  H22    CEP 28 
CEP "H3'1" "1H3'" H 0 0 N N N 18.740 -9.741  45.174 -3.550 3.215  1.565  "H3'1" CEP 29 
CEP "H3'2" "2H3'" H 0 0 N N N 19.884 -9.530  44.791 -1.918 3.005  0.866  "H3'2" CEP 30 
CEP "H1'1" "1H1'" H 0 0 N N N ?      ?       ?      -0.586 3.883  4.777  "H1'1" CEP 31 
CEP "H1'2" "2H1'" H 0 0 N N N ?      ?       ?      -2.074 4.815  5.129  "H1'2" CEP 32 
CEP "H1'3" "3H1'" H 0 0 N N N ?      ?       ?      -0.714 5.588  4.272  "H1'3" CEP 33 
CEP HO4    HO4    H 0 1 N N N 21.424 -8.498  40.715 0.691  0.214  -0.779 HO4    CEP 34 
CEP H6     H6     H 0 1 N N N 16.249 -11.768 41.450 -4.217 -1.428 -0.100 H6     CEP 35 
CEP H7     H7     H 0 1 N N N 16.024 -13.294 39.586 -4.419 -3.616 1.083  H7     CEP 36 
CEP H88    8H8    H 0 1 N N N 15.308 -10.939 38.750 -1.758 -4.157 -0.088 H88    CEP 37 
CEP HN1    HN1    H 0 1 N N N 18.581 -12.478 38.315 -1.705 -3.085 2.156  HN1    CEP 38 
CEP H131   1H13   H 0 0 N N N 19.008 -15.697 37.316 -1.084 -4.383 3.771  H131   CEP 39 
CEP H132   2H13   H 0 0 N N N 19.695 -13.964 37.412 -2.187 -5.427 4.658  H132   CEP 40 
CEP H15    H15    H 0 1 N N N 21.797 -13.523 38.880 -4.185 -3.642 6.079  H15    CEP 41 
CEP H16    H16    H 0 1 N N N 22.765 -14.868 41.017 -3.630 -1.694 7.787  H16    CEP 42 
CEP H17    H17    H 0 1 N N N 22.301 -17.300 40.941 -1.171 -0.813 7.452  H17    CEP 43 
CEP HN2    HN2    H 0 1 N N N 17.236 -10.015 40.534 -1.577 -1.550 0.178  HN2    CEP 44 
# 
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 
CEP S1    C2     SING N N 1  
CEP S1    C6     SING N N 2  
CEP C2    C3     SING N N 3  
CEP C2    H21    SING N N 4  
CEP C2    H22    SING N N 5  
CEP C3    "C3'"  SING N N 6  
CEP C3    C4     DOUB N N 7  
CEP "C3'" "C2'"  SING N N 8  
CEP "C3'" "H3'1" SING N N 9  
CEP "C3'" "H3'2" SING N N 10 
CEP "C2'" "O1'"  DOUB N N 11 
CEP "C2'" "O2'"  SING N N 12 
CEP "O2'" "C1'"  SING N N 13 
CEP "C1'" "H1'1" SING N N 14 
CEP "C1'" "H1'2" SING N N 15 
CEP "C1'" "H1'3" SING N N 16 
CEP C4    "C4'"  SING N N 17 
CEP C4    N5     SING N N 18 
CEP "C4'" O4A    DOUB N N 19 
CEP "C4'" O4B    SING N N 20 
CEP O4B   HO4    SING N N 21 
CEP N5    C6     SING N N 22 
CEP C6    C7     SING N N 23 
CEP C6    H6     SING N N 24 
CEP C7    C8     SING N N 25 
CEP C7    N10    SING N N 26 
CEP C7    H7     SING N N 27 
CEP C8    O9     DOUB N N 28 
CEP C8    H88    SING N N 29 
CEP N10   C11    SING N N 30 
CEP N10   HN1    SING N N 31 
CEP C11   O12    DOUB N N 32 
CEP C11   C13    SING N N 33 
CEP C13   C14    SING N N 34 
CEP C13   H131   SING N N 35 
CEP C13   H132   SING N N 36 
CEP C14   C15    DOUB Y N 37 
CEP C14   S19    SING Y N 38 
CEP C15   C16    SING Y N 39 
CEP C15   H15    SING N N 40 
CEP C16   C17    DOUB Y N 41 
CEP C16   H16    SING N N 42 
CEP C17   S19    SING Y N 43 
CEP C17   H17    SING N N 44 
CEP HN2   N5     SING N N 45 
# 
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 
CEP SMILES           ACDLabs              10.04 "O=C(OC)CC1=C(NC(SC1)C(NC(=O)Cc2sccc2)C=O)C(=O)O"                                                                                                                 
CEP SMILES_CANONICAL CACTVS               3.341 "COC(=O)CC1=C(N[C@H](SC1)[C@H](NC(=O)Cc2sccc2)C=O)C(O)=O"                                                                                                         
CEP SMILES           CACTVS               3.341 "COC(=O)CC1=C(N[CH](SC1)[CH](NC(=O)Cc2sccc2)C=O)C(O)=O"                                                                                                           
CEP SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "COC(=O)CC1=C(N[C@H](SC1)[C@@H](C=O)NC(=O)Cc2cccs2)C(=O)O"                                                                                                        
CEP SMILES           "OpenEye OEToolkits" 1.5.0 "COC(=O)CC1=C(NC(SC1)C(C=O)NC(=O)Cc2cccs2)C(=O)O"                                                                                                                 
CEP InChI            InChI                1.03  "InChI=1S/C16H18N2O6S2/c1-24-13(21)5-9-8-26-15(18-14(9)16(22)23)11(7-19)17-12(20)6-10-3-2-4-25-10/h2-4,7,11,15,18H,5-6,8H2,1H3,(H,17,20)(H,22,23)/t11-,15-/m1/s1" 
CEP InChIKey         InChI                1.03  UUWFGEKEQSCSMB-IAQYHMDHSA-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 
CEP "SYSTEMATIC NAME" ACDLabs              10.04 "(2R)-5-(2-methoxy-2-oxoethyl)-2-{(1R)-2-oxo-1-[(thiophen-2-ylacetyl)amino]ethyl}-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid"    
CEP "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2R)-5-(2-methoxy-2-oxo-ethyl)-2-[(1R)-2-oxo-1-(2-thiophen-2-ylethanoylamino)ethyl]-3,6-dihydro-2H-1,3-thiazine-4-carboxylic 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 
CEP "Create component"  1999-07-08 RCSB 
CEP "Modify descriptor" 2011-06-04 RCSB 
# 
