/var/www/html/BioLiP/script/receptor1 /var/www/html/BioLiP/output/8ir9j.pdb.gz - ATOM 1 N MET R 1 34.099 35.741 42.236 1.00 92.76 N ATOM 2 CA MET R 1 34.253 34.388 42.775 1.00106.96 C ATOM 3 C MET R 1 33.747 33.302 41.813 1.00120.55 C ATOM 4 O MET R 1 32.631 33.381 41.280 1.00 92.91 O ATOM 5 CB MET R 1 33.531 34.251 44.122 1.00 90.19 C ATOM 6 N SER R 2 34.585 32.276 41.633 1.00125.98 N ATOM 7 CA SER R 2 34.328 31.119 40.782 1.00120.52 C ATOM 8 C SER R 2 33.226 30.207 41.310 1.00130.67 C ATOM 9 O SER R 2 32.929 29.198 40.662 1.00137.30 O ATOM 10 CB SER R 2 35.619 30.312 40.607 1.00114.92 C ATOM 11 OG SER R 2 36.632 31.101 40.002 1.00122.06 O ATOM 12 N GLU R 3 32.617 30.550 42.447 1.00162.58 N ATOM 13 CA GLU R 3 31.656 29.679 43.119 1.00158.72 C ATOM 14 C GLU R 3 30.403 29.458 42.271 1.00155.76 C ATOM 15 O GLU R 3 29.746 30.416 41.851 1.00157.53 O ATOM 16 CB GLU R 3 31.284 30.291 44.471 1.00144.65 C ATOM 17 CG GLU R 3 30.281 29.486 45.274 1.00153.25 C ATOM 18 CD GLU R 3 30.908 28.269 45.920 1.00166.56 C ATOM 19 OE1 GLU R 3 32.100 28.347 46.295 1.00165.37 O ATOM 20 OE2 GLU R 3 30.213 27.237 46.052 1.00169.75 O ATOM 21 N GLY R 4 30.064 28.191 42.036 1.00126.51 N ATOM 22 CA GLY R 4 28.883 27.850 41.259 1.00114.15 C ATOM 23 C GLY R 4 27.633 27.758 42.123 1.00117.97 C ATOM 24 O GLY R 4 27.669 27.254 43.242 1.00140.10 O ATOM 25 N GLY R 5 26.520 28.242 41.575 1.00110.22 N ATOM 26 CA GLY R 5 25.242 28.278 42.267 1.00 94.48 C ATOM 27 C GLY R 5 24.772 29.666 42.658 1.00107.19 C ATOM 28 O GLY R 5 23.603 29.817 43.036 1.00109.08 O ATOM 29 N ARG R 6 25.633 30.686 42.552 1.00123.62 N ATOM 30 CA ARG R 6 25.308 32.012 43.076 1.00114.26 C ATOM 31 C ARG R 6 24.088 32.622 42.386 1.00115.79 C ATOM 32 O ARG R 6 23.253 33.260 43.039 1.00115.96 O ATOM 33 CB ARG R 6 26.517 32.939 42.938 1.00100.79 C ATOM 34 CG ARG R 6 27.802 32.393 43.548 1.00117.28 C ATOM 35 CD ARG R 6 27.687 32.193 45.061 1.00124.85 C ATOM 36 NE ARG R 6 26.999 33.304 45.707 1.00135.75 N ATOM 37 CZ ARG R 6 25.788 33.226 46.247 1.00141.77 C ATOM 38 NH1 ARG R 6 25.117 32.085 46.282 1.00126.40 N ATOM 39 NH2 ARG R 6 25.237 34.320 46.764 1.00152.17 N ATOM 40 N ILE R 7 23.976 32.468 41.074 1.00116.26 N ATOM 41 CA ILE R 7 22.809 32.927 40.323 1.00 98.36 C ATOM 42 C ILE R 7 21.936 31.714 40.024 1.00 93.56 C ATOM 43 O ILE R 7 22.442 30.729 39.476 1.00 95.15 O ATOM 44 CB ILE R 7 23.213 33.653 39.026 1.00 93.95 C ATOM 45 CG1 ILE R 7 24.109 34.856 39.334 1.00 99.52 C ATOM 46 CG2 ILE R 7 21.977 34.141 38.284 1.00 99.16 C ATOM 47 CD1 ILE R 7 25.596 34.570 39.250 1.00105.48 C ATOM 48 N PRO R 8 20.649 31.732 40.376 1.00 81.29 N ATOM 49 CA PRO R 8 19.813 30.542 40.157 1.00 85.35 C ATOM 50 C PRO R 8 19.624 30.259 38.669 1.00 87.16 C ATOM 51 O PRO R 8 19.470 31.174 37.857 1.00 92.16 O ATOM 52 CB PRO R 8 18.481 30.901 40.835 1.00 85.29 C ATOM 53 CG PRO R 8 18.714 32.239 41.546 1.00 81.93 C ATOM 54 CD PRO R 8 19.866 32.887 40.856 1.00 77.11 C ATOM 55 N LEU R 9 19.633 28.969 38.318 1.00 85.43 N ATOM 56 CA LEU R 9 19.561 28.570 36.915 1.00 85.76 C ATOM 57 C LEU R 9 18.253 29.004 36.259 1.00 80.24 C ATOM 58 O LEU R 9 18.246 29.338 35.068 1.00 79.65 O ATOM 59 CB LEU R 9 19.745 27.061 36.793 1.00 75.38 C ATOM 60 CG LEU R 9 20.456 26.489 35.565 1.00 87.02 C ATOM 61 CD1 LEU R 9 21.244 27.539 34.795 1.00 81.61 C ATOM 62 CD2 LEU R 9 21.382 25.386 36.023 1.00 92.78 C ATOM 63 N TRP R 10 17.148 29.031 37.012 1.00 78.95 N ATOM 64 CA TRP R 10 15.877 29.414 36.405 1.00 76.53 C ATOM 65 C TRP R 10 15.853 30.889 36.010 1.00 87.87 C ATOM 66 O TRP R 10 15.114 31.268 35.091 1.00 81.23 O ATOM 67 CB TRP R 10 14.712 29.091 37.339 1.00 80.50 C ATOM 68 CG TRP R 10 14.526 30.059 38.478 1.00 85.43 C ATOM 69 CD1 TRP R 10 15.117 29.997 39.717 1.00 80.87 C ATOM 70 CD2 TRP R 10 13.677 31.217 38.501 1.00 82.33 C ATOM 71 NE1 TRP R 10 14.695 31.046 40.493 1.00 73.58 N ATOM 72 CE2 TRP R 10 13.808 31.807 39.778 1.00 83.37 C ATOM 73 CE3 TRP R 10 12.820 31.810 37.570 1.00 79.88 C ATOM 74 CZ2 TRP R 10 13.118 32.959 40.143 1.00 78.36 C ATOM 75 CZ3 TRP R 10 12.132 32.959 37.938 1.00 81.18 C ATOM 76 CH2 TRP R 10 12.288 33.520 39.209 1.00 84.10 C ATOM 77 N ILE R 11 16.632 31.737 36.689 1.00 84.80 N ATOM 78 CA ILE R 11 16.759 33.125 36.249 1.00 86.35 C ATOM 79 C ILE R 11 17.634 33.207 35.002 1.00 88.82 C ATOM 80 O ILE R 11 17.329 33.953 34.062 1.00 82.08 O ATOM 81 CB ILE R 11 17.301 34.015 37.391 1.00 80.88 C ATOM 82 CG1 ILE R 11 16.283 34.113 38.531 1.00 77.16 C ATOM 83 CG2 ILE R 11 17.624 35.415 36.891 1.00 69.90 C ATOM 84 CD1 ILE R 11 16.838 34.752 39.767 1.00 88.89 C ATOM 85 N VAL R 12 18.732 32.440 34.967 1.00 76.80 N ATOM 86 CA VAL R 12 19.617 32.464 33.804 1.00 74.92 C ATOM 87 C VAL R 12 18.869 31.980 32.570 1.00 88.09 C ATOM 88 O VAL R 12 19.042 32.513 31.468 1.00 80.95 O ATOM 89 CB VAL R 12 20.875 31.616 34.068 1.00 85.08 C ATOM 90 CG1 VAL R 12 21.811 31.645 32.865 1.00 81.54 C ATOM 91 CG2 VAL R 12 21.593 32.100 35.300 1.00 86.51 C ATOM 92 N ALA R 13 18.014 30.973 32.742 1.00 82.42 N ATOM 93 CA ALA R 13 17.246 30.457 31.620 1.00 81.89 C ATOM 94 C ALA R 13 16.200 31.460 31.163 1.00 67.31 C ATOM 95 O ALA R 13 15.971 31.614 29.959 1.00 71.29 O ATOM 96 CB ALA R 13 16.590 29.125 31.999 1.00 71.71 C ATOM 97 N THR R 14 15.554 32.155 32.102 1.00 74.83 N ATOM 98 CA THR R 14 14.494 33.082 31.716 1.00 80.38 C ATOM 99 C THR R 14 15.070 34.323 31.043 1.00 90.13 C ATOM 100 O THR R 14 14.485 34.852 30.087 1.00 83.86 O ATOM 101 CB THR R 14 13.656 33.462 32.936 1.00 80.43 C ATOM 102 OG1 THR R 14 13.169 32.268 33.566 1.00 81.88 O ATOM 103 CG2 THR R 14 12.480 34.348 32.541 1.00 74.07 C ATOM 104 N VAL R 15 16.226 34.792 31.514 1.00 91.83 N ATOM 105 CA VAL R 15 16.839 35.964 30.903 1.00 83.84 C ATOM 106 C VAL R 15 17.387 35.624 29.525 1.00 82.25 C ATOM 107 O VAL R 15 17.269 36.421 28.588 1.00 84.51 O ATOM 108 CB VAL R 15 17.928 36.542 31.823 1.00 81.42 C ATOM 109 CG1 VAL R 15 18.727 37.615 31.089 1.00 80.31 C ATOM 110 CG2 VAL R 15 17.289 37.103 33.077 1.00 68.18 C ATOM 111 N ALA R 16 18.002 34.446 29.378 1.00 73.64 N ATOM 112 CA ALA R 16 18.494 34.040 28.065 1.00 83.04 C ATOM 113 C ALA R 16 17.342 33.862 27.082 1.00 90.82 C ATOM 114 O ALA R 16 17.437 34.277 25.919 1.00 85.57 O ATOM 115 CB ALA R 16 19.314 32.757 28.170 1.00 71.56 C ATOM 116 N GLY R 17 16.234 33.277 27.541 1.00 74.50 N ATOM 117 CA GLY R 17 15.100 33.065 26.655 1.00 75.31 C ATOM 118 C GLY R 17 14.538 34.361 26.105 1.00 79.53 C ATOM 119 O GLY R 17 14.296 34.486 24.902 1.00 78.09 O ATOM 120 N MET R 18 14.307 35.338 26.984 1.00 71.38 N ATOM 121 CA MET R 18 13.841 36.643 26.527 1.00 88.77 C ATOM 122 C MET R 18 14.842 37.266 25.563 1.00 78.19 C ATOM 123 O MET R 18 14.453 37.913 24.582 1.00 79.24 O ATOM 124 CB MET R 18 13.576 37.564 27.726 1.00 72.37 C ATOM 125 CG MET R 18 12.481 37.026 28.668 1.00 84.40 C ATOM 126 SD MET R 18 12.280 37.867 30.274 1.00103.66 S ATOM 127 CE MET R 18 11.412 39.357 29.771 1.00121.99 C ATOM 128 N GLY R 19 16.137 37.047 25.804 1.00 75.64 N ATOM 129 CA GLY R 19 17.138 37.561 24.882 1.00 77.03 C ATOM 130 C GLY R 19 16.947 37.014 23.481 1.00 84.32 C ATOM 131 O GLY R 19 16.974 37.758 22.494 1.00 82.78 O ATOM 132 N VAL R 20 16.727 35.701 23.384 1.00 74.30 N ATOM 133 CA VAL R 20 16.495 35.058 22.098 1.00 77.69 C ATOM 134 C VAL R 20 15.228 35.597 21.450 1.00 79.80 C ATOM 135 O VAL R 20 15.203 35.886 20.249 1.00 77.57 O ATOM 136 CB VAL R 20 16.428 33.534 22.289 1.00 75.96 C ATOM 137 CG1 VAL R 20 15.845 32.873 21.055 1.00 76.78 C ATOM 138 CG2 VAL R 20 17.808 32.998 22.604 1.00 78.21 C ATOM 139 N ILE R 21 14.161 35.746 22.236 1.00 74.22 N ATOM 140 CA ILE R 21 12.902 36.262 21.706 1.00 76.26 C ATOM 141 C ILE R 21 13.087 37.657 21.115 1.00 79.66 C ATOM 142 O ILE R 21 12.486 37.992 20.087 1.00 72.61 O ATOM 143 CB ILE R 21 11.826 36.246 22.807 1.00 84.35 C ATOM 144 CG1 ILE R 21 11.519 34.812 23.233 1.00 87.13 C ATOM 145 CG2 ILE R 21 10.560 36.951 22.342 1.00 83.25 C ATOM 146 CD1 ILE R 21 10.553 34.721 24.397 1.00102.86 C ATOM 147 N VAL R 22 13.917 38.493 21.743 1.00 71.51 N ATOM 148 CA VAL R 22 14.087 39.860 21.259 1.00 66.82 C ATOM 149 C VAL R 22 14.820 39.872 19.918 1.00 83.83 C ATOM 150 O VAL R 22 14.424 40.572 18.983 1.00 70.84 O ATOM 151 CB VAL R 22 14.813 40.731 22.308 1.00 69.36 C ATOM 152 CG1 VAL R 22 15.294 42.047 21.688 1.00 67.02 C ATOM 153 CG2 VAL R 22 13.895 41.029 23.492 1.00 61.50 C ATOM 154 N ILE R 23 15.914 39.120 19.810 1.00 64.67 N ATOM 155 CA ILE R 23 16.722 39.187 18.598 1.00 74.59 C ATOM 156 C ILE R 23 15.970 38.554 17.425 1.00 85.94 C ATOM 157 O ILE R 23 15.997 39.060 16.293 1.00 69.22 O ATOM 158 CB ILE R 23 18.094 38.525 18.849 1.00 82.32 C ATOM 159 CG1 ILE R 23 18.943 38.520 17.577 1.00 95.95 C ATOM 160 CG2 ILE R 23 17.930 37.096 19.358 1.00 97.93 C ATOM 161 CD1 ILE R 23 19.280 39.914 17.088 1.00 96.01 C ATOM 162 N VAL R 24 15.258 37.463 17.684 1.00 71.57 N ATOM 163 CA VAL R 24 14.482 36.825 16.633 1.00 69.52 C ATOM 164 C VAL R 24 13.301 37.700 16.236 1.00 69.13 C ATOM 165 O VAL R 24 12.939 37.783 15.055 1.00 64.45 O ATOM 166 CB VAL R 24 14.043 35.427 17.094 1.00 73.54 C ATOM 167 CG1 VAL R 24 12.969 34.865 16.173 1.00 87.03 C ATOM 168 CG2 VAL R 24 15.252 34.524 17.125 1.00 66.90 C ATOM 169 N GLY R 25 12.679 38.360 17.213 1.00 66.81 N ATOM 170 CA GLY R 25 11.638 39.322 16.890 1.00 63.36 C ATOM 171 C GLY R 25 12.157 40.442 16.013 1.00 68.53 C ATOM 172 O GLY R 25 11.465 40.910 15.103 1.00 70.90 O ATOM 173 N LEU R 26 13.400 40.860 16.252 1.00 61.55 N ATOM 174 CA LEU R 26 14.009 41.893 15.423 1.00 64.72 C ATOM 175 C LEU R 26 14.134 41.429 13.969 1.00 69.47 C ATOM 176 O LEU R 26 13.903 42.211 13.036 1.00 61.89 O ATOM 177 CB LEU R 26 15.373 42.269 16.006 1.00 67.61 C ATOM 178 CG LEU R 26 16.136 43.381 15.312 1.00 67.59 C ATOM 179 CD1 LEU R 26 15.291 44.640 15.303 1.00 78.98 C ATOM 180 CD2 LEU R 26 17.462 43.618 15.997 1.00 76.20 C ATOM 181 N PHE R 27 14.485 40.150 13.765 1.00 59.28 N ATOM 182 CA PHE R 27 14.629 39.612 12.414 1.00 62.85 C ATOM 183 C PHE R 27 13.289 39.568 11.697 1.00 67.14 C ATOM 184 O PHE R 27 13.197 39.931 10.519 1.00 65.02 O ATOM 185 CB PHE R 27 15.260 38.219 12.463 1.00 58.62 C ATOM 186 CG PHE R 27 16.663 38.211 12.999 1.00 66.14 C ATOM 187 CD1 PHE R 27 17.382 39.396 13.124 1.00 75.66 C ATOM 188 CD2 PHE R 27 17.265 37.031 13.390 1.00 65.38 C ATOM 189 CE1 PHE R 27 18.677 39.393 13.635 1.00 63.06 C ATOM 190 CE2 PHE R 27 18.562 37.021 13.901 1.00 66.92 C ATOM 191 CZ PHE R 27 19.270 38.201 14.018 1.00 66.70 C ATOM 192 N PHE R 28 12.227 39.160 12.393 1.00 63.88 N ATOM 193 CA PHE R 28 10.927 39.158 11.739 1.00 65.93 C ATOM 194 C PHE R 28 10.458 40.575 11.428 1.00 69.86 C ATOM 195 O PHE R 28 9.868 40.813 10.369 1.00 72.19 O ATOM 196 CB PHE R 28 9.911 38.399 12.583 1.00 69.95 C ATOM 197 CG PHE R 28 9.930 36.915 12.325 1.00 75.69 C ATOM 198 CD1 PHE R 28 9.327 36.391 11.179 1.00 76.37 C ATOM 199 CD2 PHE R 28 10.584 36.047 13.194 1.00 73.47 C ATOM 200 CE1 PHE R 28 9.354 35.018 10.929 1.00 78.96 C ATOM 201 CE2 PHE R 28 10.620 34.677 12.947 1.00 75.48 C ATOM 202 CZ PHE R 28 10.005 34.158 11.815 1.00 67.59 C ATOM 203 N TYR R 29 10.728 41.532 12.319 1.00 67.11 N ATOM 204 CA TYR R 29 10.506 42.931 11.970 1.00 55.96 C ATOM 205 C TYR R 29 11.243 43.286 10.683 1.00 63.03 C ATOM 206 O TYR R 29 10.701 43.980 9.814 1.00 59.77 O ATOM 207 CB TYR R 29 10.942 43.855 13.131 1.00 67.53 C ATOM 208 CG TYR R 29 11.112 45.300 12.707 1.00 64.63 C ATOM 209 CD1 TYR R 29 10.013 46.133 12.578 1.00 69.58 C ATOM 210 CD2 TYR R 29 12.372 45.810 12.377 1.00 65.29 C ATOM 211 CE1 TYR R 29 10.158 47.444 12.143 1.00 65.44 C ATOM 212 CE2 TYR R 29 12.530 47.107 11.941 1.00 67.66 C ATOM 213 CZ TYR R 29 11.418 47.923 11.831 1.00 71.69 C ATOM 214 OH TYR R 29 11.558 49.222 11.401 1.00 72.35 O ATOM 215 N GLY R 30 12.477 42.809 10.526 1.00 58.22 N ATOM 216 CA GLY R 30 13.231 43.196 9.350 1.00 58.15 C ATOM 217 C GLY R 30 12.638 42.673 8.057 1.00 63.36 C ATOM 218 O GLY R 30 12.981 43.172 6.983 1.00 65.44 O ATOM 219 N ALA R 31 11.754 41.668 8.142 1.00 67.19 N ATOM 220 CA ALA R 31 11.072 41.117 6.977 1.00 61.91 C ATOM 221 C ALA R 31 10.025 42.068 6.416 1.00 61.35 C ATOM 222 O ALA R 31 9.570 41.871 5.283 1.00 62.97 O ATOM 223 CB ALA R 31 10.403 39.785 7.341 1.00 54.41 C ATOM 224 N TYR R 32 9.622 43.079 7.189 1.00 65.62 N ATOM 225 CA TYR R 32 8.573 43.987 6.770 1.00 60.05 C ATOM 226 C TYR R 32 9.068 45.403 6.566 1.00 53.40 C ATOM 227 O TYR R 32 8.262 46.272 6.228 1.00 69.76 O ATOM 228 CB TYR R 32 7.429 43.985 7.773 1.00 65.25 C ATOM 229 CG TYR R 32 6.752 42.647 7.890 1.00 65.75 C ATOM 230 CD1 TYR R 32 5.731 42.293 7.018 1.00 58.04 C ATOM 231 CD2 TYR R 32 7.136 41.733 8.866 1.00 66.57 C ATOM 232 CE1 TYR R 32 5.095 41.064 7.116 1.00 63.95 C ATOM 233 CE2 TYR R 32 6.512 40.495 8.982 1.00 68.41 C ATOM 234 CZ TYR R 32 5.489 40.161 8.102 1.00 74.37 C ATOM 235 OH TYR R 32 4.864 38.929 8.196 1.00 59.22 O ATOM 236 N ALA R 33 10.377 45.641 6.692 1.00 66.27 N ATOM 237 CA ALA R 33 10.936 46.986 6.684 1.00 65.99 C ATOM 238 C ALA R 33 12.323 46.951 6.065 1.00 60.51 C ATOM 239 O ALA R 33 13.077 45.992 6.267 1.00 65.67 O ATOM 240 CB ALA R 33 11.016 47.554 8.112 1.00 57.27 C ATOM 241 N GLY R 34 12.660 48.005 5.329 1.00 61.19 N ATOM 242 CA GLY R 34 13.989 48.078 4.765 1.00 62.41 C ATOM 243 C GLY R 34 14.200 47.040 3.671 1.00 66.47 C ATOM 244 O GLY R 34 13.270 46.634 2.961 1.00 65.68 O ATOM 245 N LEU R 35 15.455 46.616 3.531 1.00 62.36 N ATOM 246 CA LEU R 35 15.818 45.632 2.522 1.00 67.22 C ATOM 247 C LEU R 35 15.017 44.347 2.697 1.00 63.83 C ATOM 248 O LEU R 35 14.771 43.893 3.818 1.00 63.30 O ATOM 249 CB LEU R 35 17.312 45.307 2.602 1.00 69.68 C ATOM 250 CG LEU R 35 18.304 46.440 2.378 1.00 75.31 C ATOM 251 CD1 LEU R 35 19.692 45.863 2.168 1.00 70.11 C ATOM 252 CD2 LEU R 35 17.879 47.292 1.199 1.00 70.35 C ATOM 253 N GLY R 36 14.618 43.763 1.567 1.00 60.41 N ATOM 254 CA GLY R 36 13.941 42.491 1.556 1.00 58.87 C ATOM 255 C GLY R 36 12.464 42.544 1.859 1.00 62.92 C ATOM 256 O GLY R 36 11.831 41.479 1.925 1.00 61.41 O ATOM 257 N SER R 37 11.888 43.740 2.030 1.00 61.12 N ATOM 258 CA SER R 37 10.487 43.887 2.418 1.00 61.60 C ATOM 259 C SER R 37 9.544 43.950 1.225 1.00 57.31 C ATOM 260 O SER R 37 8.325 44.010 1.423 1.00 56.69 O ATOM 261 CB SER R 37 10.304 45.160 3.279 1.00 61.09 C ATOM 262 OG SER R 37 10.412 46.333 2.469 1.00 64.01 O ATOM 263 N SER R 38 10.076 43.967 -0.001 1.00 54.30 N ATOM 264 CA SER R 38 9.344 44.158 -1.256 1.00 60.64 C ATOM 265 C SER R 38 8.888 45.609 -1.477 1.00 65.88 C ATOM 266 O SER R 38 8.304 45.897 -2.526 1.00 62.50 O ATOM 267 CB SER R 38 8.114 43.239 -1.373 1.00 55.26 C ATOM 268 OG SER R 38 6.992 43.785 -0.697 1.00 60.91 O ATOM 269 N LEU R 39 9.136 46.527 -0.538 1.00 61.82 N ATOM 270 CA LEU R 39 8.597 47.889 -0.628 1.00 66.17 C ATOM 271 C LEU R 39 9.647 48.887 -1.078 1.00 68.86 C ATOM 272 O LEU R 39 10.816 48.794 -0.710 1.00 66.61 O ATOM 273 CB LEU R 39 8.024 48.332 0.722 1.00 61.87 C ATOM 274 CG LEU R 39 6.931 47.428 1.307 1.00 68.24 C ATOM 275 CD1 LEU R 39 6.642 47.795 2.734 1.00 68.81 C ATOM 276 CD2 LEU R 39 5.664 47.496 0.462 1.00 74.18 C ATOM 277 OXT LEU R 39 9.331 49.803 -1.841 1.00 77.45 O TER