HEADER SIGNALING PROTEIN 11-SEP-00 1FT4 TITLE PHOTOCHEMICALLY-ENHANCED BINDING OF SMALL MOLECULES TO THE TUMOR TITLE 2 NECROSIS FACTOR RECEPTOR-1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SOLUBLE TUMOR NECROSIS FACTOR RECEPTOR 1; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: 55 KD EXTRACELLULAR DOMAIN (MET PLUS RESIDUES ; COMPND 5 ENGINEERED: YES; COMPND 6 N OF ALA 62, CHAIN A IS BOUND TO LIGAND 705; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.90 ANGSTORMS DBREF 1FT4 A 12 172 UNP P19438 TNR1A_HUMAN 41 201 SEQRES 1 A 35 ASN CYS SER LEU CYS LEU ASN GLY THR VAL HIS LEU SER SEQRES 2 A 35 CYS GLN GLU LYS GLN ASN THR VAL CYS THR CYS HIS ALA SEQRES 3 A 35 GLY PHE PHE LEU ARG GLU ASN GLU CYS ATOM 1 N ASN A 116 16.901 3.444 57.695 1.00 60.64 ATOM 2 CA ASN A 116 16.057 4.521 58.124 1.00 60.43 ATOM 3 C ASN A 116 16.879 5.737 58.503 1.00 62.41 ATOM 4 O ASN A 116 18.078 5.638 58.759 1.00 59.70 ATOM 5 CB ASN A 116 15.094 4.167 59.220 1.00 56.30 ATOM 6 CG ASN A 116 13.694 4.666 58.940 1.00 54.08 ATOM 7 OD1 ASN A 116 13.504 5.804 58.510 1.00 50.49 ATOM 8 ND2 ASN A 116 12.731 3.760 59.151 1.00 51.32 ATOM 9 N CYS A 117 16.190 6.863 58.498 1.00 68.85 ATOM 10 CA CYS A 117 16.863 7.960 59.163 1.00 78.65 ATOM 11 C CYS A 117 17.124 7.624 60.631 1.00 85.73 ATOM 12 O CYS A 117 16.423 6.795 61.214 1.00 91.45 ATOM 13 CB CYS A 117 16.003 9.214 59.053 1.00 77.64 ATOM 14 SG CYS A 117 16.034 10.008 57.415 1.00 73.51 ATOM 15 N SER A 118 18.128 8.270 61.241 1.00 90.41 ATOM 16 CA SER A 118 18.253 8.089 62.691 1.00 94.21 ATOM 17 C SER A 118 17.478 9.106 63.532 1.00 95.24 ATOM 18 O SER A 118 17.717 10.310 63.408 1.00 99.03 ATOM 19 CB SER A 118 19.743 8.124 63.041 1.00 93.83 ATOM 20 OG SER A 118 20.413 7.101 62.291 1.00 94.10 ATOM 21 N LEU A 119 16.559 8.600 64.412 1.00 93.25 ATOM 22 CA LEU A 119 16.044 9.405 65.545 1.00 86.89 ATOM 23 C LEU A 119 17.309 9.708 66.331 1.00 83.66 ATOM 24 O LEU A 119 18.023 8.732 66.553 1.00 80.36 ATOM 25 CB LEU A 119 15.108 8.551 66.394 1.00 85.43 ATOM 26 CG LEU A 119 13.686 8.401 65.879 1.00 85.46 ATOM 27 CD1 LEU A 119 13.083 7.066 66.329 1.00 83.12 ATOM 28 CD2 LEU A 119 12.840 9.609 66.280 1.00 85.65 ATOM 29 N CYS A 120 17.605 10.993 66.597 1.00 82.18 ATOM 30 CA CYS A 120 19.050 11.244 66.594 1.00 84.75 ATOM 31 C CYS A 120 19.901 10.319 67.452 1.00 88.45 ATOM 32 O CYS A 120 19.900 10.369 68.682 1.00 91.35 ATOM 33 CB CYS A 120 19.512 12.688 66.781 1.00 79.58 ATOM 34 SG CYS A 120 20.536 13.291 65.402 1.00 72.69 ATOM 35 N LEU A 121 20.588 9.431 66.736 1.00 91.74 ATOM 36 CA LEU A 121 21.217 8.452 67.584 1.00 96.15 ATOM 37 C LEU A 121 22.495 9.014 68.197 1.00 98.70 ATOM 38 O LEU A 121 23.238 9.776 67.573 1.00 98.00 ATOM 39 CB LEU A 121 21.492 7.137 66.856 1.00 97.15 ATOM 40 CG LEU A 121 20.329 6.156 67.061 1.00 98.22 ATOM 41 CD1 LEU A 121 19.597 5.882 65.746 1.00 97.55 ATOM 42 CD2 LEU A 121 20.804 4.885 67.779 1.00 98.44 ATOM 43 N ASN A 122 22.643 8.619 69.477 1.00100.00 ATOM 44 CA ASN A 122 23.772 8.940 70.363 1.00 99.48 ATOM 45 C ASN A 122 23.813 10.375 70.883 1.00 98.12 ATOM 46 O ASN A 122 24.643 10.721 71.723 1.00 98.87 ATOM 47 CB ASN A 122 25.165 8.526 69.813 1.00 99.81 ATOM 48 CG ASN A 122 25.395 7.023 69.866 1.00100.00 ATOM 49 OD1 ASN A 122 24.559 6.272 70.371 1.00100.00 ATOM 50 ND2 ASN A 122 26.510 6.573 69.269 1.00 96.95 ATOM 51 N GLY A 123 22.902 11.222 70.408 1.00 96.49 ATOM 52 CA GLY A 123 23.023 12.571 70.932 1.00 93.24 ATOM 53 C GLY A 123 22.068 13.496 70.217 1.00 92.88 ATOM 54 O GLY A 123 20.879 13.204 70.103 1.00 91.86 ATOM 55 N THR A 124 22.620 14.602 69.739 1.00 92.63 ATOM 56 CA THR A 124 21.654 15.487 69.133 1.00 93.94 ATOM 57 C THR A 124 21.913 15.677 67.643 1.00 95.15 ATOM 58 O THR A 124 22.983 15.358 67.124 1.00 93.59 ATOM 59 CB THR A 124 21.620 16.841 69.840 1.00 93.41 ATOM 60 OG1 THR A 124 20.394 17.530 69.549 1.00 93.44 ATOM 61 CG2 THR A 124 22.862 17.691 69.542 1.00 94.37 ATOM 62 N VAL A 125 20.848 16.168 67.012 1.00 96.35 ATOM 63 CA VAL A 125 20.776 16.305 65.567 1.00 94.68 ATOM 64 C VAL A 125 21.705 17.369 64.984 1.00 94.16 ATOM 65 O VAL A 125 21.609 18.566 65.259 1.00 95.91 ATOM 66 CB VAL A 125 19.305 16.587 65.169 1.00 94.13 ATOM 67 CG1 VAL A 125 18.684 17.807 65.873 1.00 93.65 ATOM 68 CG2 VAL A 125 19.109 16.591 63.654 1.00 94.08 ATOM 69 N HIS A 126 22.643 16.857 64.180 1.00 90.57 ATOM 70 CA HIS A 126 23.502 17.771 63.433 1.00 87.75 ATOM 71 C HIS A 126 22.915 17.962 62.036 1.00 88.09 ATOM 72 O HIS A 126 22.261 18.951 61.702 1.00 87.95 ATOM 73 CB HIS A 126 24.928 17.184 63.349 1.00 84.77 ATOM 74 CG HIS A 126 25.990 18.147 62.857 1.00 83.80 ATOM 75 ND1 HIS A 126 27.057 17.752 62.135 1.00 83.43 ATOM 76 CD2 HIS A 126 26.108 19.523 63.100 1.00 83.47 ATOM 77 CE1 HIS A 126 27.847 18.855 61.926 1.00 83.51 ATOM 78 NE2 HIS A 126 27.262 19.946 62.520 1.00 83.26 ATOM 79 N LEU A 127 23.176 16.944 61.204 1.00 87.99 ATOM 80 CA LEU A 127 22.665 17.052 59.844 1.00 86.75 ATOM 81 C LEU A 127 21.308 16.365 59.800 1.00 85.26 ATOM 82 O LEU A 127 21.221 15.157 60.022 1.00 83.56 ATOM 83 CB LEU A 127 23.630 16.385 58.858 1.00 87.51 ATOM 84 CG LEU A 127 24.987 17.086 58.906 1.00 88.31 ATOM 85 CD1 LEU A 127 26.054 16.270 58.179 1.00 87.21 ATOM 86 CD2 LEU A 127 24.869 18.526 58.393 1.00 89.49 ATOM 87 N SER A 128 20.286 17.171 59.518 1.00 82.97 ATOM 88 CA SER A 128 18.992 16.594 59.187 1.00 81.98 ATOM 89 C SER A 128 19.088 15.499 58.126 1.00 81.85 ATOM 90 O SER A 128 20.041 15.410 57.351 1.00 82.44 ATOM 91 CB SER A 128 18.096 17.727 58.706 1.00 82.58 ATOM 92 OG SER A 128 18.396 18.899 59.490 1.00 83.55 ATOM 93 N CYS A 129 18.102 14.626 58.159 1.00 80.95 ATOM 94 CA CYS A 129 18.313 13.462 57.321 1.00 79.99 ATOM 95 C CYS A 129 17.398 13.620 56.121 1.00 80.66 ATOM 96 O CYS A 129 16.447 14.402 56.209 1.00 80.48 ATOM 97 CB CYS A 129 17.927 12.253 58.133 1.00 78.16 ATOM 98 SG CYS A 129 17.947 10.664 57.246 1.00 71.30 ATOM 99 N GLN A 130 17.801 12.929 55.040 1.00 80.53 ATOM 100 CA GLN A 130 17.209 13.152 53.730 1.00 79.42 ATOM 101 C GLN A 130 17.536 12.082 52.696 1.00 77.41 ATOM 102 O GLN A 130 18.437 11.257 52.839 1.00 76.79 ATOM 103 CB GLN A 130 17.527 14.552 53.159 1.00 82.76 ATOM 104 CG GLN A 130 18.889 15.109 53.552 1.00 82.37 ATOM 105 CD GLN A 130 20.043 14.345 52.939 1.00 80.51 ATOM 106 OE1 GLN A 130 19.866 13.553 52.012 1.00 81.62 ATOM 107 NE2 GLN A 130 21.211 14.697 53.443 1.00 75.20 ATOM 108 N GLU A 131 16.748 12.201 51.616 1.00 74.87 ATOM 109 CA GLU A 131 16.826 11.417 50.386 1.00 67.61 ATOM 110 C GLU A 131 18.159 10.751 50.068 1.00 58.80 ATOM 111 O GLU A 131 18.220 9.568 49.754 1.00 49.80 ATOM 112 CB GLU A 131 16.405 12.326 49.244 1.00 76.78 ATOM 113 CG GLU A 131 15.654 11.624 48.124 1.00 91.50 ATOM 114 CD GLU A 131 15.341 12.551 46.956 1.00 98.06 ATOM 115 OE1 GLU A 131 14.449 13.417 47.099 1.00100.00 ATOM 116 OE2 GLU A 131 15.983 12.410 45.893 1.00100.00 ATOM 117 N LYS A 132 19.216 11.542 50.125 1.00 55.64 ATOM 118 CA LYS A 132 20.453 10.845 49.872 1.00 61.44 ATOM 119 C LYS A 132 20.885 10.065 51.103 1.00 66.95 ATOM 120 O LYS A 132 21.139 8.866 50.994 1.00 66.79 ATOM 121 CB LYS A 132 21.551 11.791 49.471 1.00 64.09 ATOM 122 CG LYS A 132 21.106 12.951 48.605 1.00 71.99 ATOM 123 CD LYS A 132 22.026 14.145 48.797 1.00 77.01 ATOM 124 CE LYS A 132 23.474 13.698 48.967 1.00 79.60 ATOM 125 NZ LYS A 132 24.329 14.815 49.384 1.00 81.32 ATOM 126 N GLN A 133 21.043 10.844 52.217 1.00 72.86 ATOM 127 CA GLN A 133 21.878 10.497 53.390 1.00 74.41 ATOM 128 C GLN A 133 21.143 10.560 54.729 1.00 77.57 ATOM 129 O GLN A 133 20.073 11.155 54.861 1.00 80.33 ATOM 130 CB GLN A 133 23.232 11.303 53.455 1.00 69.76 ATOM 131 CG GLN A 133 23.277 12.412 54.504 1.00 65.36 ATOM 132 CD GLN A 133 24.237 13.537 54.144 1.00 65.20 ATOM 133 OE1 GLN A 133 23.813 14.661 53.862 1.00 61.94 ATOM 134 NE2 GLN A 133 25.542 13.223 54.156 1.00 64.05 ATOM 135 N ASN A 134 21.751 9.865 55.712 1.00 79.66 ATOM 136 CA ASN A 134 21.138 9.748 57.047 1.00 78.95 ATOM 137 C ASN A 134 21.260 11.050 57.835 1.00 79.91 ATOM 138 O ASN A 134 21.913 12.000 57.403 1.00 80.35 ATOM 139 CB ASN A 134 21.826 8.598 57.805 1.00 76.52 ATOM 140 CG ASN A 134 21.116 8.240 59.096 1.00 73.32 ATOM 141 OD1 ASN A 134 19.889 8.270 59.176 1.00 67.15 ATOM 142 ND2 ASN A 134 21.941 7.945 60.093 1.00 72.40 ATOM 143 N THR A 135 20.653 11.075 59.016 1.00 81.26 ATOM 144 CA THR A 135 21.019 12.161 59.911 1.00 81.70 ATOM 145 C THR A 135 22.478 11.974 60.314 1.00 82.18 ATOM 146 O THR A 135 22.999 10.855 60.329 1.00 81.02 ATOM 147 CB THR A 135 20.124 12.088 61.160 1.00 81.72 ATOM 148 OG1 THR A 135 19.174 11.008 61.042 1.00 82.08 ATOM 149 CG2 THR A 135 19.357 13.381 61.431 1.00 78.83 ATOM 150 N VAL A 136 23.124 13.082 60.635 1.00 83.42 ATOM 151 CA VAL A 136 24.345 12.865 61.395 1.00 85.88 ATOM 152 C VAL A 136 24.062 13.515 62.744 1.00 88.49 ATOM 153 O VAL A 136 23.397 14.555 62.756 1.00 88.09 ATOM 154 CB VAL A 136 25.552 13.544 60.710 1.00 84.59 ATOM 155 CG1 VAL A 136 26.877 13.489 61.480 1.00 81.71 ATOM 156 CG2 VAL A 136 25.746 12.884 59.344 1.00 83.83 ATOM 157 N CYS A 137 24.513 12.863 63.841 1.00 89.07 ATOM 158 CA CYS A 137 24.292 13.433 65.173 1.00 86.31 ATOM 159 C CYS A 137 25.629 13.683 65.857 1.00 88.03 ATOM 160 O CYS A 137 26.698 13.355 65.335 1.00 85.27 ATOM 161 CB CYS A 137 23.408 12.545 66.058 1.00 79.38 ATOM 162 SG CYS A 137 21.960 11.858 65.199 1.00 74.93 ATOM 163 N THR A 138 25.516 14.236 67.056 1.00 90.98 ATOM 164 CA THR A 138 26.695 14.158 67.875 1.00 95.11 ATOM 165 C THR A 138 26.354 13.778 69.314 1.00 96.39 ATOM 166 O THR A 138 25.411 14.279 69.927 1.00 94.21 ATOM 167 CB THR A 138 27.428 15.493 67.820 1.00 95.62 ATOM 168 OG1 THR A 138 27.617 15.818 66.435 1.00 95.47 ATOM 169 CG2 THR A 138 28.779 15.470 68.522 1.00 96.29 ATOM 170 N CYS A 139 27.134 12.776 69.748 1.00 98.62 ATOM 171 CA CYS A 139 27.059 12.125 71.052 1.00 99.90 ATOM 172 C CYS A 139 27.059 13.085 72.238 1.00100.00 ATOM 173 O CYS A 139 27.984 13.882 72.422 1.00100.00 ATOM 174 CB CYS A 139 28.246 11.154 71.153 1.00100.00 ATOM 175 SG CYS A 139 28.213 9.804 69.928 1.00100.00 ATOM 176 N HIS A 140 25.994 12.951 73.059 1.00100.00 ATOM 177 CA HIS A 140 25.912 13.740 74.295 1.00 99.61 ATOM 178 C HIS A 140 26.684 13.146 75.471 1.00100.00 ATOM 179 O HIS A 140 26.170 12.980 76.577 1.00100.00 ATOM 180 CB HIS A 140 24.457 13.987 74.690 1.00 98.33 ATOM 181 CG HIS A 140 24.258 15.460 74.936 1.00 97.55 ATOM 182 ND1 HIS A 140 25.199 16.406 74.730 1.00 98.63 ATOM 183 CD2 HIS A 140 23.090 16.083 75.383 1.00 99.77 ATOM 184 CE1 HIS A 140 24.637 17.617 75.041 1.00100.00 ATOM 185 NE2 HIS A 140 23.341 17.418 75.441 1.00100.00 ATOM 186 N ALA A 141 27.936 12.796 75.131 1.00100.00 ATOM 187 CA ALA A 141 28.809 11.875 75.863 1.00 98.11 ATOM 188 C ALA A 141 30.009 11.683 74.945 1.00 96.76 ATOM 189 O ALA A 141 30.145 10.711 74.199 1.00 92.24 ATOM 190 CB ALA A 141 28.129 10.526 76.139 1.00 99.93 ATOM 191 N GLY A 142 30.809 12.748 74.972 1.00 97.12 ATOM 192 CA GLY A 142 31.861 12.832 73.978 1.00100.00 ATOM 193 C GLY A 142 32.919 11.765 74.176 1.00100.00 ATOM 194 O GLY A 142 33.867 11.954 74.940 1.00100.00 ATOM 195 N PHE A 143 32.701 10.672 73.439 1.00100.00 ATOM 196 CA PHE A 143 33.837 9.888 72.985 1.00100.00 ATOM 197 C PHE A 143 34.347 10.483 71.666 1.00100.00 ATOM 198 O PHE A 143 34.195 11.691 71.468 1.00100.00 ATOM 199 CB PHE A 143 33.343 8.458 72.798 1.00 97.76 ATOM 200 CG PHE A 143 34.383 7.402 73.078 1.00 98.07 ATOM 201 CD1 PHE A 143 33.916 6.132 73.471 1.00 99.11 ATOM 202 CD2 PHE A 143 35.767 7.661 72.935 1.00 96.91 ATOM 203 CE1 PHE A 143 34.842 5.098 73.704 1.00100.00 ATOM 204 CE2 PHE A 143 36.698 6.632 73.166 1.00 97.24 ATOM 205 CZ PHE A 143 36.222 5.358 73.540 1.00 99.32 ATOM 206 N PHE A 144 34.980 9.683 70.784 1.00100.00 ATOM 207 CA PHE A 144 35.652 10.325 69.648 1.00 99.74 ATOM 208 C PHE A 144 35.742 9.463 68.392 1.00 99.67 ATOM 209 O PHE A 144 36.805 9.037 67.938 1.00 99.71 ATOM 210 CB PHE A 144 37.043 10.915 70.008 1.00 98.87 ATOM 211 CG PHE A 144 38.024 9.970 70.683 1.00 98.35 ATOM 212 CD1 PHE A 144 38.936 9.226 69.897 1.00 98.57 ATOM 213 CD2 PHE A 144 38.036 9.875 72.092 1.00 95.99 ATOM 214 CE1 PHE A 144 39.856 8.363 70.517 1.00 98.63 ATOM 215 CE2 PHE A 144 38.954 9.011 72.717 1.00 96.48 ATOM 216 CZ PHE A 144 39.844 8.257 71.922 1.00 98.69 ATOM 217 N LEU A 145 34.543 9.220 67.844 1.00100.00 ATOM 218 CA LEU A 145 34.321 8.293 66.725 1.00100.00 ATOM 219 C LEU A 145 35.326 7.159 66.557 1.00100.00 ATOM 220 O LEU A 145 36.135 7.094 65.628 1.00100.00 ATOM 221 CB LEU A 145 34.040 8.954 65.357 1.00100.00 ATOM 222 CG LEU A 145 33.419 7.937 64.364 1.00100.00 ATOM 223 CD1 LEU A 145 31.932 7.709 64.670 1.00100.00 ATOM 224 CD2 LEU A 145 33.714 8.319 62.912 1.00 97.70 ATOM 225 N ARG A 146 35.175 6.201 67.455 1.00100.00 ATOM 226 CA ARG A 146 35.855 5.006 67.008 1.00100.00 ATOM 227 C ARG A 146 35.031 4.235 65.979 1.00100.00 ATOM 228 O ARG A 146 34.063 3.544 66.302 1.00100.00 ATOM 229 CB ARG A 146 36.225 4.125 68.198 1.00 99.64 ATOM 230 CG ARG A 146 37.287 4.743 69.099 1.00 99.54 ATOM 231 CD ARG A 146 37.635 3.829 70.265 1.00100.00 ATOM 232 NE ARG A 146 38.779 4.372 70.999 1.00100.00 ATOM 233 CZ ARG A 146 39.355 3.675 72.000 1.00100.00 ATOM 234 NH1 ARG A 146 40.449 4.165 72.571 1.00 98.87 ATOM 235 NH2 ARG A 146 38.856 2.511 72.423 1.00100.00 ATOM 236 N GLU A 147 35.442 4.437 64.696 1.00 99.46 ATOM 237 CA GLU A 147 34.780 3.883 63.504 1.00 98.35 ATOM 238 C GLU A 147 33.366 4.431 63.354 1.00 98.26 ATOM 239 O GLU A 147 33.081 5.286 62.517 1.00 96.66 ATOM 240 CB GLU A 147 34.747 2.344 63.446 1.00 99.11 ATOM 241 CG GLU A 147 36.107 1.671 63.500 1.00100.00 ATOM 242 CD GLU A 147 36.004 0.165 63.693 1.00100.00 ATOM 243 OE1 GLU A 147 35.894 -0.282 64.856 1.00100.00 ATOM 244 OE2 GLU A 147 36.032 -0.573 62.685 1.00100.00 ATOM 245 N ASN A 148 32.498 3.860 64.201 1.00 99.50 ATOM 246 CA ASN A 148 31.054 4.013 64.087 1.00100.00 ATOM 247 C ASN A 148 30.371 3.628 65.398 1.00100.00 ATOM 248 O ASN A 148 29.678 2.611 65.492 1.00100.00 ATOM 249 CB ASN A 148 30.513 3.149 62.936 1.00100.00 ATOM 250 CG ASN A 148 29.050 3.424 62.636 1.00100.00 ATOM 251 OD1 ASN A 148 28.726 4.289 61.824 1.00100.00 ATOM 252 ND2 ASN A 148 28.182 2.634 63.284 1.00 97.17 ATOM 253 N GLU A 149 30.596 4.478 66.412 1.00 99.60 ATOM 254 CA GLU A 149 29.751 4.354 67.600 1.00100.00 ATOM 255 C GLU A 149 29.633 5.700 68.315 1.00 99.93 ATOM 256 O GLU A 149 28.982 6.584 67.756 1.00 98.76 ATOM 257 CB GLU A 149 30.204 3.241 68.574 1.00100.00 ATOM 258 CG GLU A 149 29.057 2.504 69.259 1.00 99.35 ATOM 259 CD GLU A 149 29.536 1.391 70.176 1.00 98.18 ATOM 260 OE1 GLU A 149 30.620 1.538 70.781 1.00 97.41 ATOM 261 OE2 GLU A 149 28.826 0.369 70.294 1.00 96.68 ATOM 262 N CYS A 150 30.265 5.851 69.491 1.00100.00 ATOM 263 CA CYS A 150 30.660 7.195 69.886 1.00100.00 ATOM 264 C CYS A 150 32.178 7.140 70.030 1.00100.00 ATOM 265 O CYS A 150 32.697 6.084 70.450 1.00100.00 ATOM 266 CB CYS A 150 30.016 7.715 71.192 1.00100.00 ATOM 267 SG CYS A 150 28.242 8.113 71.052 1.00 99.68 TER