data_FA8
# 
_chem_comp.id                                    FA8 
_chem_comp.name                                  
"[[(2R,3S,4S)-5-[(4AS)-7,8-DIMETHYL-2,4-DIOXO-4A,5-DIHYDROBENZO[G]PTERIDIN-10-YL]-2,3,4-TRIHYDROXY-PENTOXY]-HYDROXY-PHOSPHORYL] [(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-OXOLAN-2-YL]METHYL HYDROGEN PHOSPHATE" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C27 H35 N9 O15 P2" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2010-04-23 
_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                        787.566 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     FA8 
_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        2XCG 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  EBI 
# 
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 
FA8 PA     PA     P 0 1 N N N 29.148 126.142 8.895  -3.391  -3.043 -0.658 PA     FA8 1  
FA8 O1A    O1A    O 0 1 N N N 28.083 125.118 9.249  -3.116  -4.501 -0.031 O1A    FA8 2  
FA8 O2A    O2A    O 0 1 N N N 30.082 126.491 10.038 -3.979  -3.190 -2.007 O2A    FA8 3  
FA8 O5B    O5B    O 0 1 N N N 29.883 125.714 7.548  -4.413  -2.236 0.289  O5B    FA8 4  
FA8 C5B    C5B    C 0 1 N N N 31.198 126.181 7.266  -5.766  -2.643 0.498  C5B    FA8 5  
FA8 C4B    C4B    C 0 1 N N R 31.938 125.035 6.584  -6.454  -1.659 1.447  C4B    FA8 6  
FA8 O4B    O4B    O 0 1 N N N 33.198 125.578 6.251  -6.572  -0.373 0.816  O4B    FA8 7  
FA8 C3B    C3B    C 0 1 N N S 32.231 123.854 7.510  -7.881  -2.147 1.763  C3B    FA8 8  
FA8 O3B    O3B    O 0 1 N N N 31.862 122.626 6.863  -8.034  -2.369 3.167  O3B    FA8 9  
FA8 C2B    C2B    C 0 1 N N R 33.726 123.919 7.765  -8.792  -0.986 1.296  C2B    FA8 10 
FA8 O2B    O2B    O 0 1 N N N 34.291 122.619 7.931  -9.852  -0.762 2.227  O2B    FA8 11 
FA8 C1B    C1B    C 0 1 N N R 34.241 124.642 6.542  -7.808  0.212  1.280  C1B    FA8 12 
FA8 N9A    N9A    N 0 1 Y N N 35.564 125.334 6.651  -8.269  1.247  0.352  N9A    FA8 13 
FA8 C8A    C8A    C 0 1 Y N N 36.077 126.073 7.694  -7.949  1.346  -0.970 C8A    FA8 14 
FA8 N7A    N7A    N 0 1 Y N N 37.280 126.578 7.342  -8.534  2.384  -1.492 N7A    FA8 15 
FA8 C5A    C5A    C 0 1 Y N N 37.575 126.113 6.102  -9.265  3.016  -0.543 C5A    FA8 16 
FA8 C6A    C6A    C 0 1 Y N N 38.698 126.273 5.280  -10.084 4.157  -0.522 C6A    FA8 17 
FA8 N6A    N6A    N 0 1 N N N 39.758 127.014 5.652  -10.280 4.908  -1.668 N6A    FA8 18 
FA8 N1A    N1A    N 0 1 Y N N 38.692 125.697 4.018  -10.666 4.499  0.622  N1A    FA8 19 
FA8 C2A    C2A    C 0 1 Y N N 37.614 124.948 3.576  -10.484 3.788  1.720  C2A    FA8 20 
FA8 N3A    N3A    N 0 1 Y N N 36.509 124.763 4.389  -9.726  2.712  1.749  N3A    FA8 21 
FA8 C4A    C4A    C 0 1 Y N N 36.491 125.353 5.642  -9.108  2.290  0.651  C4A    FA8 22 
FA8 N1     N1     N 0 1 N N N 20.542 126.444 14.006 6.673   2.800  -0.967 N1     FA8 23 
FA8 C2     C2     C 0 1 N N N 19.213 126.181 13.782 6.658   4.132  -0.848 C2     FA8 24 
FA8 O2     O2     O 0 1 N N N 18.650 126.639 12.787 5.860   4.776  -1.503 O2     FA8 25 
FA8 N3     N3     N 0 1 N N N 18.547 125.343 14.676 7.500   4.780  -0.026 N3     FA8 26 
FA8 C4     C4     C 0 1 N N N 19.203 124.828 15.786 8.513   4.132  0.578  C4     FA8 27 
FA8 O4     O4     O 0 1 N N N 18.629 123.973 16.493 9.227   4.726  1.357  O4     FA8 28 
FA8 C4X    C4X    C 0 1 N N S 20.363 125.529 16.236 8.767   2.684  0.296  C4X    FA8 29 
FA8 N5     N5     N 0 1 N N N 21.099 124.921 17.387 9.036   1.931  1.526  N5     FA8 30 
FA8 C5X    C5X    C 0 1 Y N N 22.456 124.620 17.305 9.051   0.530  1.412  C5X    FA8 31 
FA8 C6     C6     C 0 1 Y N N 23.088 123.795 18.258 9.815   -0.243 2.266  C6     FA8 32 
FA8 C7     C7     C 0 1 Y N N 24.446 123.447 18.123 9.825   -1.620 2.124  C7     FA8 33 
FA8 C7M    C7M    C 0 1 N N N 25.062 122.540 19.183 10.655  -2.467 3.054  C7M    FA8 34 
FA8 C8     C8     C 0 1 Y N N 25.224 123.941 17.043 9.073   -2.220 1.130  C8     FA8 35 
FA8 C8M    C8M    C 0 1 N N N 26.718 123.630 16.866 9.093   -3.719 0.978  C8M    FA8 36 
FA8 C9     C9     C 0 1 Y N N 24.573 124.778 16.106 8.303   -1.453 0.276  C9     FA8 37 
FA8 C9A    C9A    C 0 1 Y N N 23.199 125.143 16.232 8.282   -0.073 0.415  C9A    FA8 38 
FA8 N10    N10    N 0 1 N N N 22.547 125.983 15.307 7.477   0.709  -0.422 N10    FA8 39 
FA8 C10    C10    C 0 1 N N N 21.183 125.892 15.117 7.591   2.059  -0.407 C10    FA8 40 
FA8 "C1'"  "C1'"  C 0 1 N N N 23.391 126.782 14.325 6.510   0.067  -1.316 "C1'"  FA8 41 
FA8 "C2'"  "C2'"  C 0 1 N N S 23.433 126.181 12.902 5.170   -0.083 -0.594 "C2'"  FA8 42 
FA8 "O2'"  "O2'"  O 0 1 N N N 23.966 124.860 12.965 5.346   -0.887 0.574  "O2'"  FA8 43 
FA8 "C3'"  "C3'"  C 0 1 N N S 24.322 127.108 12.039 4.160   -0.754 -1.527 "C3'"  FA8 44 
FA8 "O3'"  "O3'"  O 0 1 N N N 23.722 128.403 11.930 3.984   0.050  -2.695 "O3'"  FA8 45 
FA8 "C4'"  "C4'"  C 0 1 N N R 24.551 126.639 10.581 2.819   -0.904 -0.805 "C4'"  FA8 46 
FA8 "O4'"  "O4'"  O 0 1 N N N 24.863 125.256 10.538 2.995   -1.708 0.363  "O4'"  FA8 47 
FA8 "C5'"  "C5'"  C 0 1 N N N 25.734 127.463 10.021 1.809   -1.575 -1.738 "C5'"  FA8 48 
FA8 "O5'"  "O5'"  O 0 1 N N N 25.880 127.175 8.599  0.528   -1.610 -1.107 "O5'"  FA8 49 
FA8 P      P      P 0 1 N N N 27.050 127.842 7.755  -0.776  -2.248 -1.804 P      FA8 50 
FA8 O1P    O1P    O 0 1 N N N 26.944 129.345 7.791  -0.487  -3.642 -2.208 O1P    FA8 51 
FA8 O3P    O3P    O 0 1 N N N 28.369 127.605 8.501  -2.003  -2.234 -0.762 O3P    FA8 52 
FA8 O2P    O2P    O 0 1 N N N 27.039 127.158 6.449  -1.166  -1.383 -3.105 O2P    FA8 53 
FA8 H1A    H1A    H 0 1 N N N 28.143 124.904 10.173 -2.729  -4.481 0.855  H1A    FA8 54 
FA8 H5B1   H5B1   H 0 0 N N N 31.158 127.059 6.604  -6.293  -2.655 -0.456 H5B1   FA8 55 
FA8 H5B2   H5B2   H 0 0 N N N 31.713 126.487 8.189  -5.783  -3.641 0.935  H5B2   FA8 56 
FA8 H4B    H4B    H 0 1 N N N 31.326 124.663 5.749  -5.878  -1.569 2.368  H4B    FA8 57 
FA8 H3B    H3B    H 0 1 N N N 31.663 123.896 8.451  -8.105  -3.058 1.208  H3B    FA8 58 
FA8 H1B    H1B    H 0 1 N N N 34.456 123.903 5.756  -7.686  0.622  2.283  H1B    FA8 59 
FA8 HA     HA     H 0 1 N N N 31.781 122.772 5.928  -8.914  -2.677 3.423  HA     FA8 60 
FA8 H2B    H2B    H 0 1 N N N 33.995 124.434 8.699  -9.186  -1.178 0.298  H2B    FA8 61 
FA8 HB     HB     H 0 1 N N N 34.417 122.217 7.080  -10.443 -1.520 2.339  HB     FA8 62 
FA8 H8A    H8A    H 0 1 N N N 35.592 126.225 8.647  -7.305  0.663  -1.504 H8A    FA8 63 
FA8 H6A1   H6A1   H 0 0 N N N 40.333 127.198 4.855  -9.850  4.648  -2.498 H6A1   FA8 64 
FA8 H6A2   H6A2   H 0 0 N N N 39.440 127.879 6.040  -10.847 5.694  -1.642 H6A2   FA8 65 
FA8 H2A    H2A    H 0 1 N N N 37.636 124.506 2.591  -10.976 4.102  2.629  H2A    FA8 66 
FA8 H3     H3     H 0 1 N N N 17.588 125.111 14.516 7.375   5.729  0.135  H3     FA8 67 
FA8 H4X    H4X    H 0 1 N N N 20.001 126.456 16.705 9.633   2.602  -0.361 H4X    FA8 68 
FA8 H5     H5     H 0 1 N N N 21.013 125.575 18.138 9.195   2.376  2.373  H5     FA8 69 
FA8 H6     H6     H 0 1 N N N 22.524 123.426 19.102 10.403  0.225  3.042  H6     FA8 70 
FA8 H7M1   H7M1   H 0 0 N N N 25.210 121.534 18.764 10.059  -2.743 3.923  H7M1   FA8 71 
FA8 H7M2   H7M2   H 0 0 N N N 26.032 122.952 19.499 10.978  -3.368 2.533  H7M2   FA8 72 
FA8 H7M3   H7M3   H 0 0 N N N 24.388 122.480 20.050 11.529  -1.901 3.377  H7M3   FA8 73 
FA8 HM81   HM81   H 0 0 N N N 26.953 123.556 15.794 8.304   -4.157 1.588  HM81   FA8 74 
FA8 HM82   HM82   H 0 0 N N N 27.316 124.435 17.317 8.931   -3.980 -0.068 HM82   FA8 75 
FA8 HM83   HM83   H 0 0 N N N 26.955 122.676 17.360 10.060  -4.104 1.303  HM83   FA8 76 
FA8 H9     H9     H 0 1 N N N 25.136 125.154 15.265 7.719   -1.927 -0.499 H9     FA8 77 
FA8 "H1'1" "H1'1" H 0 0 N N N 22.965 127.794 14.255 6.376   0.680  -2.207 "H1'1" FA8 78 
FA8 "H1'2" "H1'2" H 0 0 N N N 24.422 126.776 14.708 6.880   -0.917 -1.605 "H1'2" FA8 79 
FA8 "H2'"  "H2'"  H 0 1 N N N 22.429 126.114 12.458 4.800   0.901  -0.305 "H2'"  FA8 80 
FA8 HC     HC     H 0 1 N N N 24.085 124.524 12.085 5.673   -1.779 0.393  HC     FA8 81 
FA8 "H3'"  "H3'"  H 0 1 N N N 25.288 127.105 12.564 4.529   -1.738 -1.816 "H3'"  FA8 82 
FA8 HD     HD     H 0 1 N N N 23.589 128.765 12.798 3.656   0.942  -2.513 HD     FA8 83 
FA8 "H4'"  "H4'"  H 0 1 N N N 23.640 126.791 9.983  2.450   0.080  -0.516 "H4'"  FA8 84 
FA8 HE     HE     H 0 1 N N N 24.933 124.975 9.633  3.323   -2.600 0.181  HE     FA8 85 
FA8 "H5'1" "H5'1" H 0 0 N N N 25.537 128.536 10.163 1.742   -1.008 -2.667 "H5'1" FA8 86 
FA8 "H5'2" "H5'2" H 0 0 N N N 26.659 127.194 10.552 2.135   -2.592 -1.956 "H5'2" FA8 87 
FA8 HOP2   HOP2   H 0 0 N N N 27.037 127.804 5.753  -1.368  -0.456 -2.915 HOP2   FA8 88 
# 
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 
FA8 PA    O1A    SING N N 1  
FA8 PA    O2A    DOUB N N 2  
FA8 PA    O5B    SING N N 3  
FA8 PA    O3P    SING N N 4  
FA8 O3P   P      SING N N 5  
FA8 O5B   C5B    SING N N 6  
FA8 C5B   C4B    SING N N 7  
FA8 C4B   O4B    SING N N 8  
FA8 C4B   C3B    SING N N 9  
FA8 O4B   C1B    SING N N 10 
FA8 C3B   O3B    SING N N 11 
FA8 C3B   C2B    SING N N 12 
FA8 C2B   O2B    SING N N 13 
FA8 C2B   C1B    SING N N 14 
FA8 C1B   N9A    SING N N 15 
FA8 N9A   C8A    SING Y N 16 
FA8 N9A   C4A    SING Y N 17 
FA8 C8A   N7A    DOUB Y N 18 
FA8 N7A   C5A    SING Y N 19 
FA8 C5A   C6A    DOUB Y N 20 
FA8 C5A   C4A    SING Y N 21 
FA8 C6A   N6A    SING N N 22 
FA8 C6A   N1A    SING Y N 23 
FA8 N1A   C2A    DOUB Y N 24 
FA8 C2A   N3A    SING Y N 25 
FA8 N3A   C4A    DOUB Y N 26 
FA8 N1    C2     SING N N 27 
FA8 N1    C10    DOUB N N 28 
FA8 C2    O2     DOUB N N 29 
FA8 C2    N3     SING N N 30 
FA8 N3    C4     SING N N 31 
FA8 C4    O4     DOUB N N 32 
FA8 C4    C4X    SING N N 33 
FA8 C4X   N5     SING N N 34 
FA8 C4X   C10    SING N N 35 
FA8 N5    C5X    SING N N 36 
FA8 C5X   C6     SING Y N 37 
FA8 C5X   C9A    DOUB Y N 38 
FA8 C6    C7     DOUB Y N 39 
FA8 C7    C7M    SING N N 40 
FA8 C7    C8     SING Y N 41 
FA8 C8    C8M    SING N N 42 
FA8 C8    C9     DOUB Y N 43 
FA8 C9    C9A    SING Y N 44 
FA8 C9A   N10    SING N N 45 
FA8 N10   C10    SING N N 46 
FA8 N10   "C1'"  SING N N 47 
FA8 "C1'" "C2'"  SING N N 48 
FA8 "C2'" "O2'"  SING N N 49 
FA8 "C2'" "C3'"  SING N N 50 
FA8 "C3'" "O3'"  SING N N 51 
FA8 "C3'" "C4'"  SING N N 52 
FA8 "C4'" "O4'"  SING N N 53 
FA8 "C4'" "C5'"  SING N N 54 
FA8 "C5'" "O5'"  SING N N 55 
FA8 "O5'" P      SING N N 56 
FA8 P     O1P    DOUB N N 57 
FA8 P     O2P    SING N N 58 
FA8 C1B   H1B    SING N N 59 
FA8 O1A   H1A    SING N N 60 
FA8 C5B   H5B1   SING N N 61 
FA8 C5B   H5B2   SING N N 62 
FA8 C4B   H4B    SING N N 63 
FA8 C3B   H3B    SING N N 64 
FA8 O3B   HA     SING N N 65 
FA8 C2B   H2B    SING N N 66 
FA8 O2B   HB     SING N N 67 
FA8 C8A   H8A    SING N N 68 
FA8 N6A   H6A1   SING N N 69 
FA8 N6A   H6A2   SING N N 70 
FA8 C2A   H2A    SING N N 71 
FA8 N3    H3     SING N N 72 
FA8 C4X   H4X    SING N N 73 
FA8 N5    H5     SING N N 74 
FA8 C6    H6     SING N N 75 
FA8 C7M   H7M1   SING N N 76 
FA8 C7M   H7M2   SING N N 77 
FA8 C7M   H7M3   SING N N 78 
FA8 C8M   HM81   SING N N 79 
FA8 C8M   HM82   SING N N 80 
FA8 C8M   HM83   SING N N 81 
FA8 C9    H9     SING N N 82 
FA8 "C1'" "H1'1" SING N N 83 
FA8 "C1'" "H1'2" SING N N 84 
FA8 "C2'" "H2'"  SING N N 85 
FA8 "O2'" HC     SING N N 86 
FA8 "C3'" "H3'"  SING N N 87 
FA8 "O3'" HD     SING N N 88 
FA8 "C4'" "H4'"  SING N N 89 
FA8 "O4'" HE     SING N N 90 
FA8 "C5'" "H5'1" SING N N 91 
FA8 "C5'" "H5'2" SING N N 92 
FA8 O2P   HOP2   SING N N 93 
# 
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 
FA8 SMILES           ACDLabs              10.04 "O=C2NC(=O)N=C3N(c1cc(c(cc1NC23)C)C)CC(O)C(O)C(O)COP(=O)(O)OP(=O)(O)OCC6OC(n5cnc4c(ncnc45)N)C(O)C6O" 
FA8 SMILES_CANONICAL CACTVS               3.352 "Cc1cc2N[C@@H]3C(=O)NC(=O)N=C3N(C[C@H](O)[C@H](O)[C@H](O)CO[P](O)(=O)O[P](O)(=O)OC[C@H]4O[C@H]([C@H](O)[C@@H]4O)n5cnc6c(N)ncnc56)c2cc1C" 
FA8 SMILES           CACTVS               3.352 "Cc1cc2N[CH]3C(=O)NC(=O)N=C3N(C[CH](O)[CH](O)[CH](O)CO[P](O)(=O)O[P](O)(=O)OC[CH]4O[CH]([CH](O)[CH]4O)n5cnc6c(N)ncnc56)c2cc1C" 
FA8 SMILES_CANONICAL "OpenEye OEToolkits" 1.6.1 "Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)[C@H]3N2)C[C@@H]([C@@H]([C@@H](CO[P@](=O)(O)O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6N)O)O)O)O)O" 
FA8 SMILES           "OpenEye OEToolkits" 1.6.1 "Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3N2)CC(C(C(COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5ncnc6N)O)O)O)O)O" 
FA8 InChI            InChI                1.03  
;InChI=1S/C27H35N9O15P2/c1-10-3-12-13(4-11(10)2)35(24-18(32-12)25(42)34-27(43)33-24)5-14(37)19(39)15(38)6-48-52(44,45)51-53(46,47)49-7-16-20(40)21(41)26(50-16)36-9-31-17-22(28)29-8-30-23(17)36/h3-4,8-9,14-16,18-21,26,32,37-41H,5-7H2,1-2H3,(H,44,45)(H,46,47)(H2,28,29,30)(H,34,42,43)/t14-,15+,16+,18-,19-,20+,21+,26+/m0/s1
;
FA8 InChIKey         InChI                1.03  SDBHOOIZTSVSKT-LDVRFEIFSA-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 
FA8 "SYSTEMATIC NAME" ACDLabs              10.04 
"[(2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl (2R,3S,4S)-5-[(4aS)-7,8-dimethyl-2,4-dioxo-3,4,4a,5-tetrahydrobenzo[g]pteridin-10(2H)-yl]-2,3,4-trihydroxypentyl dihydrogen diphosphate (non-preferred name)" 
FA8 "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.6.1 
"[[(2R,3S,4S)-5-[(4aS)-7,8-dimethyl-2,4-dioxo-4a,5-dihydrobenzo[g]pteridin-10-yl]-2,3,4-trihydroxy-pentoxy]-hydroxy-phosphoryl] [(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxy-oxolan-2-yl]methyl hydrogen phosphate"                        
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
FA8 "Create component"     2010-04-23 EBI  
FA8 "Modify aromatic_flag" 2011-06-04 RCSB 
FA8 "Modify descriptor"    2011-06-04 RCSB 
# 
