data_1PX
# 
_chem_comp.id                                    1PX 
_chem_comp.name                                  "(2S,3R,4E)-2-(hexadecanoylamino)-3-hydroxyoctadec-4-en-1-yl dihydrogen phosphate" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C34 H68 N O6 P" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2013-04-23 
_chem_comp.pdbx_modified_date                    2013-07-12 
_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                        617.881 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     1PX 
_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        4K84 
_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 
1PX CAB CAB C 0 1 N N N -0.254 48.100 61.871 15.791  7.199   0.345  CAB 1PX 1   
1PX CAK CAK C 0 1 N N N -0.550 46.723 61.345 14.663  6.610   -0.505 CAK 1PX 2   
1PX CAN CAN C 0 1 N N N -0.228 45.787 62.440 13.735  5.780   0.385  CAN 1PX 3   
1PX CAQ CAQ C 0 1 N N N -0.729 44.427 62.237 12.606  5.192   -0.465 CAQ 1PX 4   
1PX CAT CAT C 0 1 N N N -0.555 43.699 63.523 11.679  4.361   0.425  CAT 1PX 5   
1PX CAW CAW C 0 1 N N N -0.898 42.263 63.316 10.550  3.773   -0.425 CAW 1PX 6   
1PX CAZ CAZ C 0 1 N N N -0.243 41.344 64.284 9.623   2.943   0.465  CAZ 1PX 7   
1PX CBB CBB C 0 1 N N N -0.902 39.976 64.255 8.494   2.355   -0.385 CBB 1PX 8   
1PX CBC CBC C 0 1 N N N 0.022  38.892 63.838 7.566   1.524   0.505  CBC 1PX 9   
1PX CBD CBD C 0 1 N N N -0.676 37.570 63.558 6.438   0.936   -0.345 CBD 1PX 10  
1PX CBE CBE C 0 1 N N N -0.047 36.401 64.278 5.510   0.105   0.545  CBE 1PX 11  
1PX CBF CBF C 0 1 N N N -0.514 35.076 63.755 4.381   -0.483  -0.305 CBF 1PX 12  
1PX CBG CBG C 0 1 N N N -0.111 33.907 64.620 3.454   -1.313  0.585  CBG 1PX 13  
1PX CBH CBH C 0 1 N N N -0.545 32.588 63.960 2.325   -1.901  -0.265 CBH 1PX 14  
1PX CBI CBI C 0 1 N N N 0.166  31.362 64.477 1.398   -2.732  0.624  CBI 1PX 15  
1PX CBM CBM C 0 1 N N N -0.350 30.094 63.809 0.286   -3.311  -0.212 CBM 1PX 16  
1PX OAC OAC O 0 1 N N N -0.302 29.978 62.630 0.240   -3.082  -1.402 OAC 1PX 17  
1PX NBK NBK N 0 1 N N N -0.963 29.285 64.616 -0.657  -4.084  0.363  NBK 1PX 18  
1PX CBO CBO C 0 1 N N S -1.489 27.960 64.404 -1.738  -4.647  -0.451 CBO 1PX 19  
1PX CBJ CBJ C 0 1 N N N -0.683 27.266 65.500 -1.266  -5.954  -1.091 CBJ 1PX 20  
1PX OBL OBL O 0 1 N N N -0.284 26.070 65.223 -1.004  -6.917  -0.069 OBL 1PX 21  
1PX PBP PBP P 0 1 N N N -0.425 24.973 66.028 -0.489  -8.410  -0.382 PBP 1PX 22  
1PX OAF OAF O 0 1 N N N 0.207  25.185 67.320 -0.174  -9.171  1.001  OAF 1PX 23  
1PX OAG OAG O 0 1 N N N -1.694 24.509 65.999 -1.628  -9.212  -1.189 OAG 1PX 24  
1PX OAD OAD O 0 1 N N N 0.465  24.242 65.226 0.743   -8.346  -1.201 OAD 1PX 25  
1PX CBN CBN C 0 1 N N R -2.964 27.884 64.805 -2.953  -4.923  0.437  CBN 1PX 26  
1PX OAE OAE O 0 1 N N N -3.461 26.629 64.516 -4.024  -5.426  -0.364 OAE 1PX 27  
1PX CAI CAI C 0 1 N N N -3.717 28.974 64.086 -3.386  -3.645  1.109  CAI 1PX 28  
1PX CAH CAH C 0 1 N N N -4.679 29.816 64.871 -4.620  -3.225  0.983  CAH 1PX 29  
1PX CAL CAL C 0 1 N N N -5.272 31.050 64.184 -5.053  -1.947  1.655  CAL 1PX 30  
1PX CAO CAO C 0 1 N N N -4.432 31.519 63.024 -5.656  -1.003  0.613  CAO 1PX 31  
1PX CAR CAR C 0 1 N N N -4.193 32.942 63.032 -6.095  0.295   1.295  CAR 1PX 32  
1PX CAU CAU C 0 1 N N N -3.590 33.348 61.743 -6.699  1.239   0.254  CAU 1PX 33  
1PX CAX CAX C 0 1 N N N -4.141 34.647 61.407 -7.138  2.537   0.936  CAX 1PX 34  
1PX CBA CBA C 0 1 N N N -3.179 35.528 60.714 -7.742  3.481   -0.106 CBA 1PX 35  
1PX CAY CAY C 0 1 N N N -3.842 36.801 60.374 -8.181  4.779   0.576  CAY 1PX 36  
1PX CAV CAV C 0 1 N N N -3.507 37.925 61.274 -8.785  5.723   -0.466 CAV 1PX 37  
1PX CAS CAS C 0 1 N N N -4.617 38.931 61.118 -9.224  7.020   0.216  CAS 1PX 38  
1PX CAP CAP C 0 1 N N N -4.467 40.115 62.067 -9.828  7.965   -0.825 CAP 1PX 39  
1PX CAM CAM C 0 1 N N N -5.342 41.241 61.621 -10.267 9.262   -0.144 CAM 1PX 40  
1PX CAJ CAJ C 0 1 N N N -4.480 42.350 61.151 -10.871 10.206  -1.185 CAJ 1PX 41  
1PX CAA CAA C 0 1 N N N -5.316 43.578 61.134 -11.310 11.504  -0.503 CAA 1PX 42  
1PX H1  H1  H 0 1 N N N -0.476 48.846 61.094 16.358  6.390   0.806  H1  1PX 43  
1PX H2  H2  H 0 1 N N N -0.877 48.296 62.756 16.452  7.790   -0.289 H2  1PX 44  
1PX H3  H3  H 0 1 N N N 0.808  48.166 62.149 15.368  7.835   1.122  H3  1PX 45  
1PX H4  H4  H 0 1 N N N -1.612 46.639 61.071 14.096  7.419   -0.966 H4  1PX 46  
1PX H5  H5  H 0 1 N N N 0.073  46.509 60.464 15.086  5.974   -1.282 H5  1PX 47  
1PX H6  H6  H 0 1 N N N 0.866  45.739 62.542 14.302  4.971   0.846  H6  1PX 48  
1PX H7  H7  H 0 1 N N N -0.666 46.180 63.369 13.311  6.416   1.162  H7  1PX 49  
1PX H8  H8  H 0 1 N N N -1.793 44.455 61.960 12.040  6.001   -0.926 H8  1PX 50  
1PX H9  H9  H 0 1 N N N -0.156 43.929 61.441 13.030  4.556   -1.242 H9  1PX 51  
1PX H10 H10 H 0 1 N N N 0.490  43.785 63.857 12.246  3.553   0.886  H10 1PX 52  
1PX H11 H11 H 0 1 N N N -1.220 44.131 64.285 11.255  4.997   1.202  H11 1PX 53  
1PX H12 H12 H 0 1 N N N -1.988 42.149 63.413 9.983   4.582   -0.886 H12 1PX 54  
1PX H13 H13 H 0 1 N N N -0.588 41.975 62.301 10.974  3.137   -1.202 H13 1PX 55  
1PX H14 H14 H 0 1 N N N 0.820  41.239 64.020 10.189  2.134   0.926  H14 1PX 56  
1PX H15 H15 H 0 1 N N N -0.329 41.765 65.297 9.199   3.579   1.242  H15 1PX 57  
1PX H16 H16 H 0 1 N N N -1.745 40.008 63.549 7.927   3.163   -0.846 H16 1PX 58  
1PX H17 H17 H 0 1 N N N -1.277 39.747 65.263 8.918   1.719   -1.162 H17 1PX 59  
1PX H18 H18 H 0 1 N N N 0.757  38.734 64.641 8.133   0.715   0.966  H18 1PX 60  
1PX H19 H19 H 0 1 N N N 0.542  39.211 62.923 7.143   2.160   1.282  H19 1PX 61  
1PX H20 H20 H 0 1 N N N -1.725 37.654 63.878 5.871   1.745   -0.806 H20 1PX 62  
1PX H21 H21 H 0 1 N N N -0.637 37.376 62.476 6.861   0.300   -1.122 H21 1PX 63  
1PX H22 H22 H 0 1 N N N 1.045  36.461 64.158 6.077   -0.703  1.006  H22 1PX 64  
1PX H23 H23 H 0 1 N N N -0.303 36.467 65.346 5.086   0.741   1.322  H23 1PX 65  
1PX H24 H24 H 0 1 N N N -1.612 35.096 63.688 3.815   0.326   -0.766 H24 1PX 66  
1PX H25 H25 H 0 1 N N N -0.088 34.929 62.752 4.805   -1.119  -1.082 H25 1PX 67  
1PX H26 H26 H 0 1 N N N 0.982  33.908 64.747 4.021   -2.122  1.046  H26 1PX 68  
1PX H27 H27 H 0 1 N N N -0.595 33.998 65.604 3.030   -0.677  1.362  H27 1PX 69  
1PX H28 H28 H 0 1 N N N -0.353 32.666 62.880 1.758   -1.093  -0.726 H28 1PX 70  
1PX H29 H29 H 0 1 N N N -1.624 32.457 64.132 2.749   -2.537  -1.042 H29 1PX 71  
1PX H30 H30 H 0 1 N N N 0.004  31.286 65.562 1.964   -3.541  1.086  H30 1PX 72  
1PX H31 H31 H 0 1 N N N 1.242  31.461 64.273 0.974   -2.096  1.402  H31 1PX 73  
1PX H32 H32 H 0 1 N N N -1.093 29.640 65.542 -0.621  -4.267  1.314  H32 1PX 74  
1PX H33 H33 H 0 1 N N N -1.295 27.548 63.402 -2.012  -3.938  -1.232 H33 1PX 75  
1PX H34 H34 H 0 1 N N N 0.206  27.880 65.708 -2.042  -6.333  -1.757 H34 1PX 76  
1PX H35 H35 H 0 1 N N N -1.311 27.213 66.401 -0.356  -5.771  -1.661 H35 1PX 77  
1PX H36 H36 H 0 1 N N N 1.068  24.783 67.322 0.141   -10.078 0.888  H36 1PX 78  
1PX H37 H37 H 0 1 N N N -1.743 23.754 65.424 -2.465  -9.294  -0.711 H37 1PX 79  
1PX H38 H38 H 0 1 N N N -3.031 28.075 65.886 -2.690  -5.661  1.195  H38 1PX 80  
1PX H39 H39 H 0 1 N N N -2.961 25.973 64.987 -4.249  -4.864  -1.118 H39 1PX 81  
1PX H40 H40 H 0 1 N N N -3.567 29.145 63.030 -2.678  -3.076  1.693  H40 1PX 82  
1PX H41 H41 H 0 1 N N N -4.944 29.561 65.886 -5.328  -3.794  0.399  H41 1PX 83  
1PX H42 H42 H 0 1 N N N -5.344 31.864 64.920 -5.799  -2.171  2.417  H42 1PX 84  
1PX H43 H43 H 0 1 N N N -6.277 30.800 63.814 -4.190  -1.471  2.120  H43 1PX 85  
1PX H44 H44 H 0 1 N N N -4.950 31.257 62.089 -4.911  -0.778  -0.149 H44 1PX 86  
1PX H45 H45 H 0 1 N N N -3.462 31.002 63.063 -6.520  -1.479  0.148  H45 1PX 87  
1PX H46 H46 H 0 1 N N N -3.506 33.194 63.854 -6.841  0.070   2.058  H46 1PX 88  
1PX H47 H47 H 0 1 N N N -5.146 33.473 63.175 -5.232  0.771   1.760  H47 1PX 89  
1PX H48 H48 H 0 1 N N N -3.843 32.617 60.961 -5.953  1.464   -0.509 H48 1PX 90  
1PX H49 H49 H 0 1 N N N -2.497 33.416 61.842 -7.562  0.763   -0.212 H49 1PX 91  
1PX H50 H50 H 0 1 N N N -4.461 35.142 62.336 -7.884  2.312   1.698  H50 1PX 92  
1PX H51 H51 H 0 1 N N N -5.012 34.498 60.752 -6.275  3.013   1.401  H51 1PX 93  
1PX H52 H52 H 0 1 N N N -2.829 35.038 59.793 -6.996  3.706   -0.868 H52 1PX 94  
1PX H53 H53 H 0 1 N N N -2.321 35.725 61.373 -8.605  3.005   -0.571 H53 1PX 95  
1PX H54 H54 H 0 1 N N N -3.547 37.080 59.352 -8.927  4.554   1.338  H54 1PX 96  
1PX H55 H55 H 0 1 N N N -4.930 36.643 60.412 -7.318  5.255   1.041  H55 1PX 97  
1PX H56 H56 H 0 1 N N N -3.452 37.576 62.316 -8.039  5.947   -1.228 H56 1PX 98  
1PX H57 H57 H 0 1 N N N -2.544 38.371 60.985 -9.648  5.247   -0.931 H57 1PX 99  
1PX H58 H58 H 0 1 N N N -4.612 39.305 60.083 -9.970  6.796   0.979  H58 1PX 100 
1PX H59 H59 H 0 1 N N N -5.576 38.433 61.323 -8.361  7.496   0.681  H59 1PX 101 
1PX H60 H60 H 0 1 N N N -4.758 39.807 63.082 -9.082  8.189   -1.588 H60 1PX 102 
1PX H61 H61 H 0 1 N N N -3.419 40.448 62.071 -10.691 7.489   -1.291 H61 1PX 103 
1PX H62 H62 H 0 1 N N N -5.962 41.584 62.462 -11.013 9.037   0.619  H62 1PX 104 
1PX H63 H63 H 0 1 N N N -5.992 40.903 60.800 -9.404  9.738   0.322  H63 1PX 105 
1PX H64 H64 H 0 1 N N N -4.106 42.134 60.139 -10.125 10.431  -1.947 H64 1PX 106 
1PX H65 H65 H 0 1 N N N -3.629 42.482 61.836 -11.734 9.730   -1.650 H65 1PX 107 
1PX H66 H66 H 0 1 N N N -4.711 44.429 60.789 -12.056 11.279  0.259  H66 1PX 108 
1PX H67 H67 H 0 1 N N N -6.167 43.433 60.452 -10.446 11.980  -0.038 H67 1PX 109 
1PX H68 H68 H 0 1 N N N -5.690 43.781 62.148 -11.740 12.177  -1.245 H68 1PX 110 
# 
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 
1PX CAY CBA SING N N 1   
1PX CAY CAV SING N N 2   
1PX CBA CAX SING N N 3   
1PX CAS CAV SING N N 4   
1PX CAS CAP SING N N 5   
1PX CAA CAJ SING N N 6   
1PX CAJ CAM SING N N 7   
1PX CAK CAB SING N N 8   
1PX CAK CAN SING N N 9   
1PX CAX CAU SING N N 10  
1PX CAM CAP SING N N 11  
1PX CAU CAR SING N N 12  
1PX CAQ CAN SING N N 13  
1PX CAQ CAT SING N N 14  
1PX OAC CBM DOUB N N 15  
1PX CAO CAR SING N N 16  
1PX CAO CAL SING N N 17  
1PX CAW CAT SING N N 18  
1PX CAW CAZ SING N N 19  
1PX CBD CBC SING N N 20  
1PX CBD CBE SING N N 21  
1PX CBF CBE SING N N 22  
1PX CBF CBG SING N N 23  
1PX CBM CBI SING N N 24  
1PX CBM NBK SING N N 25  
1PX CBC CBB SING N N 26  
1PX CBH CBI SING N N 27  
1PX CBH CBG SING N N 28  
1PX CAI CBN SING N N 29  
1PX CAI CAH DOUB N E 30  
1PX CAL CAH SING N N 31  
1PX CBB CAZ SING N N 32  
1PX CBO NBK SING N N 33  
1PX CBO CBN SING N N 34  
1PX CBO CBJ SING N N 35  
1PX OAE CBN SING N N 36  
1PX OBL CBJ SING N N 37  
1PX OBL PBP SING N N 38  
1PX OAD PBP DOUB N N 39  
1PX OAG PBP SING N N 40  
1PX PBP OAF SING N N 41  
1PX CAB H1  SING N N 42  
1PX CAB H2  SING N N 43  
1PX CAB H3  SING N N 44  
1PX CAK H4  SING N N 45  
1PX CAK H5  SING N N 46  
1PX CAN H6  SING N N 47  
1PX CAN H7  SING N N 48  
1PX CAQ H8  SING N N 49  
1PX CAQ H9  SING N N 50  
1PX CAT H10 SING N N 51  
1PX CAT H11 SING N N 52  
1PX CAW H12 SING N N 53  
1PX CAW H13 SING N N 54  
1PX CAZ H14 SING N N 55  
1PX CAZ H15 SING N N 56  
1PX CBB H16 SING N N 57  
1PX CBB H17 SING N N 58  
1PX CBC H18 SING N N 59  
1PX CBC H19 SING N N 60  
1PX CBD H20 SING N N 61  
1PX CBD H21 SING N N 62  
1PX CBE H22 SING N N 63  
1PX CBE H23 SING N N 64  
1PX CBF H24 SING N N 65  
1PX CBF H25 SING N N 66  
1PX CBG H26 SING N N 67  
1PX CBG H27 SING N N 68  
1PX CBH H28 SING N N 69  
1PX CBH H29 SING N N 70  
1PX CBI H30 SING N N 71  
1PX CBI H31 SING N N 72  
1PX NBK H32 SING N N 73  
1PX CBO H33 SING N N 74  
1PX CBJ H34 SING N N 75  
1PX CBJ H35 SING N N 76  
1PX OAF H36 SING N N 77  
1PX OAG H37 SING N N 78  
1PX CBN H38 SING N N 79  
1PX OAE H39 SING N N 80  
1PX CAI H40 SING N N 81  
1PX CAH H41 SING N N 82  
1PX CAL H42 SING N N 83  
1PX CAL H43 SING N N 84  
1PX CAO H44 SING N N 85  
1PX CAO H45 SING N N 86  
1PX CAR H46 SING N N 87  
1PX CAR H47 SING N N 88  
1PX CAU H48 SING N N 89  
1PX CAU H49 SING N N 90  
1PX CAX H50 SING N N 91  
1PX CAX H51 SING N N 92  
1PX CBA H52 SING N N 93  
1PX CBA H53 SING N N 94  
1PX CAY H54 SING N N 95  
1PX CAY H55 SING N N 96  
1PX CAV H56 SING N N 97  
1PX CAV H57 SING N N 98  
1PX CAS H58 SING N N 99  
1PX CAS H59 SING N N 100 
1PX CAP H60 SING N N 101 
1PX CAP H61 SING N N 102 
1PX CAM H62 SING N N 103 
1PX CAM H63 SING N N 104 
1PX CAJ H64 SING N N 105 
1PX CAJ H65 SING N N 106 
1PX CAA H66 SING N N 107 
1PX CAA H67 SING N N 108 
1PX CAA H68 SING N N 109 
# 
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 
1PX SMILES           ACDLabs              12.01 "O=C(NC(COP(=O)(O)O)C(O)/C=C/CCCCCCCCCCCCC)CCCCCCCCCCCCCCC" 
1PX InChI            InChI                1.03  
"InChI=1S/C34H68NO6P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-33(36)32(31-41-42(38,39)40)35-34(37)30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h27,29,32-33,36H,3-26,28,30-31H2,1-2H3,(H,35,37)(H2,38,39,40)/b29-27+/t32-,33+/m0/s1" 
1PX InChIKey         InChI                1.03  UNRULDRRONAKLU-TURZORIXSA-N 
1PX SMILES_CANONICAL CACTVS               3.370 "CCCCCCCCCCCCCCCC(=O)N[C@@H](CO[P](O)(O)=O)[C@H](O)\C=C\CCCCCCCCCCCCC" 
1PX SMILES           CACTVS               3.370 "CCCCCCCCCCCCCCCC(=O)N[CH](CO[P](O)(O)=O)[CH](O)C=CCCCCCCCCCCCCC" 
1PX SMILES_CANONICAL "OpenEye OEToolkits" 1.7.6 "CCCCCCCCCCCCCCCC(=O)N[C@@H](COP(=O)(O)O)[C@@H](/C=C/CCCCCCCCCCCCC)O" 
1PX SMILES           "OpenEye OEToolkits" 1.7.6 "CCCCCCCCCCCCCCCC(=O)NC(COP(=O)(O)O)C(C=CCCCCCCCCCCCCC)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 
1PX "SYSTEMATIC NAME" ACDLabs              12.01 "(2S,3R,4E)-2-(hexadecanoylamino)-3-hydroxyoctadec-4-en-1-yl dihydrogen phosphate" 
1PX "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.6 "[(E,2S,3R)-2-(hexadecanoylamino)-3-oxidanyl-octadec-4-enyl] dihydrogen 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 
1PX "Create component" 2013-04-23 RCSB 
1PX "Modify name"      2013-05-17 RCSB 
1PX "Initial release"  2013-07-17 RCSB 
#