HEADER HYDROLASE 31-DEC-69 7ZKO TITLE X-ray structure of the complex between human alpha thrombin and a TITLE 2 pseudo-cyclic thrombin binding aptamer (TBA-NNp/DDp) - Crystal form COMPND MOL_ID: 1; COMPND 2 MOLECULE: Thrombin light chain; COMPND 3 CHAIN: L; COMPND 4 EC: 3.4.21.5; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.50 ANGSTORMS DBREF 7ZKO L -5 17 UNP P00734 THRB_HUMAN 328 363 SEQRES 1 L 27 ALA ASP CYS GLY LEU ARG PRO LEU PHE GLU LYS LYS SER SEQRES 2 L 27 LEU GLU ASP LYS THR GLU ARG GLU LEU LEU GLU SER TYR SEQRES 3 L 27 ILE ATOM 1 N ALA L 7 -24.002 13.132 7.228 1.00 90.35 ATOM 2 CA ALA L 7 -25.179 13.900 6.711 1.00 94.05 ATOM 3 C ALA L 7 -26.173 14.146 7.846 1.00 94.92 ATOM 4 O ALA L 7 -27.242 14.716 7.637 1.00 83.42 ATOM 5 CB ALA L 7 -25.811 13.173 5.546 1.00 86.76 ATOM 6 N ASP L 8 -25.792 13.727 9.057 1.00 99.73 ATOM 7 CA ASP L 8 -26.602 13.948 10.244 1.00101.07 ATOM 8 C ASP L 8 -26.036 15.122 11.050 1.00 98.04 ATOM 9 O ASP L 8 -26.594 15.495 12.084 1.00 96.01 ATOM 10 CB ASP L 8 -26.726 12.652 11.052 1.00109.31 ATOM 11 CG ASP L 8 -27.776 12.696 12.151 1.00119.03 ATOM 12 OD1 ASP L 8 -28.760 13.452 11.996 1.00120.79 ATOM 13 OD2 ASP L 8 -27.599 11.973 13.156 1.00120.17 ATOM 14 N CYS L 9 -24.946 15.725 10.550 1.00 85.79 ATOM 15 CA CYS L 9 -24.178 16.697 11.313 1.00 81.02 ATOM 16 C CYS L 9 -25.033 17.911 11.661 1.00 81.77 ATOM 17 O CYS L 9 -25.889 18.310 10.878 1.00 77.53 ATOM 18 CB CYS L 9 -22.920 17.152 10.576 1.00 78.70 ATOM 19 SG CYS L 9 -23.211 18.120 9.069 1.00 78.70 ATOM 20 N GLY L 10 -24.772 18.490 12.841 1.00 78.77 ATOM 21 CA GLY L 10 -25.189 19.849 13.150 1.00 75.39 ATOM 22 C GLY L 10 -26.622 19.940 13.668 1.00 72.07 ATOM 23 O GLY L 10 -27.139 21.046 13.838 1.00 71.77 ATOM 24 N LEU L 11 -27.248 18.775 13.898 1.00 68.06 ATOM 25 CA LEU L 11 -28.545 18.709 14.559 1.00 69.01 ATOM 26 C LEU L 11 -28.371 18.049 15.922 1.00 68.25 ATOM 27 O LEU L 11 -27.944 16.893 16.002 1.00 72.71 ATOM 28 CB LEU L 11 -29.539 17.916 13.700 1.00 70.70 ATOM 29 CG LEU L 11 -29.743 18.414 12.268 1.00 71.78 ATOM 30 CD1 LEU L 11 -30.720 17.515 11.531 1.00 72.17 ATOM 31 CD2 LEU L 11 -30.213 19.861 12.243 1.00 61.41 ATOM 32 N ARG L 12 -28.718 18.794 16.980 1.00 59.55 ATOM 33 CA ARG L 12 -28.469 18.348 18.341 1.00 57.88 ATOM 34 C ARG L 12 -29.587 17.423 18.812 1.00 64.18 ATOM 35 O ARG L 12 -30.746 17.826 18.886 1.00 77.57 ATOM 36 CB ARG L 12 -28.372 19.546 19.286 1.00 55.57 ATOM 37 CG ARG L 12 -27.215 20.486 18.989 1.00 53.11 ATOM 38 CD ARG L 12 -27.288 21.648 19.955 1.00 57.26 ATOM 39 NE ARG L 12 -28.358 22.552 19.580 1.00 57.51 ATOM 40 CZ ARG L 12 -28.519 23.772 20.065 1.00 62.97 ATOM 41 NH1 ARG L 12 -27.679 24.247 20.972 1.00 58.22 ATOM 42 NH2 ARG L 12 -29.523 24.513 19.633 1.00 62.03 ATOM 43 N PRO L 13 -29.262 16.159 19.163 1.00 68.58 ATOM 44 CA PRO L 13 -30.235 15.215 19.721 1.00 69.10 ATOM 45 C PRO L 13 -31.184 15.720 20.810 1.00 73.21 ATOM 46 O PRO L 13 -32.329 15.277 20.878 1.00 75.58 ATOM 47 CB PRO L 13 -29.321 14.141 20.313 1.00 68.10 ATOM 48 CG PRO L 13 -28.162 14.106 19.349 1.00 71.56 ATOM 49 CD PRO L 13 -27.927 15.562 19.009 1.00 72.89 ATOM 50 N LEU L 14 -30.708 16.628 21.670 1.00 72.86 ATOM 51 CA LEU L 14 -31.537 17.113 22.762 1.00 71.30 ATOM 52 C LEU L 14 -32.134 18.469 22.413 1.00 71.25 ATOM 53 O LEU L 14 -32.819 19.064 23.240 1.00 78.46 ATOM 54 CB LEU L 14 -30.721 17.231 24.052 1.00 67.89 ATOM 55 CG LEU L 14 -30.172 15.937 24.648 1.00 71.24 ATOM 56 CD1 LEU L 14 -29.665 16.198 26.055 1.00 68.96 ATOM 57 CD2 LEU L 14 -31.213 14.823 24.646 1.00 73.25 ATOM 58 N PHE L 15 -31.853 18.970 21.209 1.00 70.80 ATOM 59 CA PHE L 15 -32.367 20.285 20.861 1.00 68.55 ATOM 60 C PHE L 15 -33.173 20.216 19.562 1.00 73.37 ATOM 61 O PHE L 15 -34.364 19.927 19.612 1.00 72.56 ATOM 62 CB PHE L 15 -31.274 21.345 20.999 1.00 66.35 ATOM 63 CG PHE L 15 -30.905 21.664 22.428 1.00 66.06 ATOM 64 CD1 PHE L 15 -29.982 20.888 23.118 1.00 65.01 ATOM 65 CD2 PHE L 15 -31.473 22.749 23.086 1.00 66.84 ATOM 66 CE1 PHE L 15 -29.638 21.181 24.432 1.00 60.92 ATOM 67 CE2 PHE L 15 -31.129 23.044 24.400 1.00 64.14 ATOM 68 CZ PHE L 15 -30.216 22.257 25.071 1.00 63.34 ATOM 69 N GLU L 16 -32.516 20.428 18.413 1.00 73.90 ATOM 70 CA GLU L 16 -33.188 20.482 17.121 1.00 68.67 ATOM 71 C GLU L 16 -34.013 19.215 16.898 1.00 70.84 ATOM 72 O GLU L 16 -35.175 19.302 16.510 1.00 76.54 ATOM 73 CB GLU L 16 -32.191 20.693 15.975 1.00 70.55 ATOM 74 CG GLU L 16 -31.605 22.097 15.884 1.00 63.85 ATOM 75 CD GLU L 16 -30.469 22.412 16.845 1.00 65.51 ATOM 76 OE1 GLU L 16 -29.920 21.465 17.447 1.00 64.72 ATOM 77 OE2 GLU L 16 -30.138 23.605 16.994 1.00 59.98 ATOM 78 N LYS L 17 -33.413 18.049 17.174 1.00 71.92 ATOM 79 CA LYS L 17 -34.038 16.747 16.979 1.00 76.02 ATOM 80 C LYS L 17 -35.279 16.565 17.858 1.00 83.05 ATOM 81 O LYS L 17 -35.940 15.532 17.771 1.00 82.20 ATOM 82 CB LYS L 17 -33.051 15.621 17.305 1.00 78.44 ATOM 83 CG LYS L 17 -32.033 15.281 16.224 1.00 81.09 ATOM 84 CD LYS L 17 -31.591 13.828 16.288 1.00 90.09 ATOM 85 CE LYS L 17 -30.347 13.515 15.481 1.00 92.43 ATOM 86 NZ LYS L 17 -30.439 14.026 14.092 1.00 95.84 ATOM 87 N LYS L 18 -35.584 17.553 18.712 1.00 83.80 ATOM 88 CA LYS L 18 -36.713 17.462 19.627 1.00 82.30 ATOM 89 C LYS L 18 -37.503 18.769 19.640 1.00 82.18 ATOM 90 O LYS L 18 -38.386 18.945 20.475 1.00 91.34 ATOM 91 CB LYS L 18 -36.245 17.064 21.032 1.00 84.59 ATOM 92 CG LYS L 18 -36.357 15.578 21.356 1.00 85.34 ATOM 93 CD LYS L 18 -35.390 15.075 22.417 1.00 88.46 ATOM 94 CE LYS L 18 -35.721 15.512 23.830 1.00 89.79 ATOM 95 NZ LYS L 18 -34.976 14.716 24.837 1.00 87.84 ATOM 96 N SER L 19 -37.161 19.682 18.723 1.00 78.10 ATOM 97 CA SER L 19 -37.886 20.926 18.503 1.00 84.57 ATOM 98 C SER L 19 -37.805 21.868 19.706 1.00 87.29 ATOM 99 O SER L 19 -38.608 22.795 19.808 1.00 91.98 ATOM 100 CB SER L 19 -39.326 20.667 18.115 1.00 92.80 ATOM 101 OG SER L 19 -39.435 19.561 17.230 1.00 95.41 ATOM 102 N LEU L 20 -36.840 21.636 20.607 1.00 83.81 ATOM 103 CA LEU L 20 -36.568 22.547 21.713 1.00 79.00 ATOM 104 C LEU L 20 -35.403 23.462 21.337 1.00 78.50 ATOM 105 O LEU L 20 -34.521 23.077 20.567 1.00 79.01 ATOM 106 CB LEU L 20 -36.226 21.747 22.976 1.00 79.76 ATOM 107 CG LEU L 20 -37.223 20.666 23.398 1.00 85.80 ATOM 108 CD1 LEU L 20 -36.512 19.498 24.069 1.00 78.64 ATOM 109 CD2 LEU L 20 -38.298 21.230 24.313 1.00 84.45 ATOM 110 N GLU L 21 -35.400 24.668 21.913 1.00 73.87 ATOM 111 CA GLU L 21 -34.348 25.642 21.674 1.00 71.20 ATOM 112 C GLU L 21 -33.600 25.939 22.969 1.00 74.87 ATOM 113 O GLU L 21 -34.199 25.982 24.046 1.00 65.20 ATOM 114 CB GLU L 21 -34.937 26.957 21.174 1.00 69.84 ATOM 115 CG GLU L 21 -35.607 26.835 19.829 1.00 81.08 ATOM 116 CD GLU L 21 -35.912 28.181 19.207 1.00 91.09 ATOM 117 OE1 GLU L 21 -35.691 29.212 19.892 1.00 93.14 ATOM 118 OE2 GLU L 21 -36.355 28.194 18.039 1.00100.97 ATOM 119 N ASP L 22 -32.287 26.180 22.836 1.00 70.50 ATOM 120 CA ASP L 22 -31.468 26.599 23.958 1.00 61.77 ATOM 121 C ASP L 22 -31.730 28.078 24.228 1.00 65.30 ATOM 122 O ASP L 22 -32.271 28.790 23.377 1.00 67.84 ATOM 123 CB ASP L 22 -29.989 26.252 23.746 1.00 62.40 ATOM 124 CG ASP L 22 -29.280 27.106 22.707 1.00 60.37 ATOM 125 OD1 ASP L 22 -29.332 28.365 22.816 1.00 57.99 ATOM 126 OD2 ASP L 22 -28.680 26.505 21.794 1.00 57.86 ATOM 127 N LYS L 23 -31.295 28.529 25.408 1.00 62.31 ATOM 128 CA LYS L 23 -31.681 29.822 25.941 1.00 61.56 ATOM 129 C LYS L 23 -31.179 30.969 25.074 1.00 63.26 ATOM 130 O LYS L 23 -31.680 32.085 25.206 1.00 70.88 ATOM 131 CB LYS L 23 -31.178 29.976 27.377 1.00 65.43 ATOM 132 CG LYS L 23 -31.564 28.833 28.306 1.00 74.14 ATOM 133 CD LYS L 23 -32.607 29.189 29.333 1.00 78.22 ATOM 134 CE LYS L 23 -32.006 29.856 30.551 1.00 79.85 ATOM 135 NZ LYS L 23 -32.880 29.688 31.734 1.00 79.53 ATOM 136 N THR L 24 -30.184 30.723 24.209 1.00 64.04 ATOM 137 CA THR L 24 -29.516 31.871 23.607 1.00 58.63 ATOM 138 C THR L 24 -29.480 31.805 22.081 1.00 56.37 ATOM 139 O THR L 24 -29.176 32.810 21.433 1.00 58.52 ATOM 140 CB THR L 24 -28.146 32.124 24.252 1.00 66.83 ATOM 141 OG1 THR L 24 -27.418 30.893 24.212 1.00 77.35 ATOM 142 CG2 THR L 24 -28.254 32.632 25.675 1.00 55.49 ATOM 143 N GLU L 25 -29.806 30.644 21.499 1.00 51.28 ATOM 144 CA GLU L 25 -29.736 30.527 20.048 1.00 63.44 ATOM 145 C GLU L 25 -30.567 31.610 19.355 1.00 66.54 ATOM 146 O GLU L 25 -30.285 31.961 18.208 1.00 70.88 ATOM 147 CB GLU L 25 -30.087 29.125 19.556 1.00 66.63 ATOM 148 CG GLU L 25 -31.485 28.658 19.913 1.00 66.38 ATOM 149 CD GLU L 25 -31.828 27.395 19.149 1.00 71.61 ATOM 150 OE1 GLU L 25 -32.159 27.508 17.951 1.00 78.44 ATOM 151 OE2 GLU L 25 -31.720 26.302 19.734 1.00 71.53 ATOM 152 N ARG L 26 -31.576 32.147 20.057 1.00 70.32 ATOM 153 CA ARG L 26 -32.429 33.180 19.488 1.00 71.34 ATOM 154 C ARG L 26 -31.594 34.430 19.220 1.00 68.00 ATOM 155 O ARG L 26 -31.839 35.147 18.250 1.00 67.88 ATOM 156 CB ARG L 26 -33.673 33.440 20.351 1.00 73.61 ATOM 157 CG ARG L 26 -34.573 34.567 19.851 1.00 84.20 ATOM 158 CD ARG L 26 -35.546 34.280 18.710 1.00 95.45 ATOM 159 NE ARG L 26 -36.662 33.430 19.122 1.00108.24 ATOM 160 CZ ARG L 26 -37.831 33.862 19.600 1.00108.64 ATOM 161 NH1 ARG L 26 -38.069 35.159 19.715 1.00108.46 ATOM 162 NH2 ARG L 26 -38.763 32.993 19.958 1.00104.49 ATOM 163 N GLU L 27 -30.582 34.660 20.065 1.00 67.36 ATOM 164 CA GLU L 27 -29.684 35.788 19.871 1.00 66.55 ATOM 165 C GLU L 27 -28.966 35.657 18.531 1.00 62.40 ATOM 166 O GLU L 27 -28.723 36.663 17.866 1.00 66.00 ATOM 167 CB GLU L 27 -28.682 35.910 21.018 1.00 70.85 ATOM 168 CG GLU L 27 -27.856 37.182 20.945 1.00 72.79 ATOM 169 CD GLU L 27 -26.900 37.374 22.109 1.00 70.84 ATOM 170 OE1 GLU L 27 -26.597 36.370 22.791 1.00 61.75 ATOM 171 OE2 GLU L 27 -26.484 38.532 22.345 1.00 71.90 ATOM 172 N LEU L 28 -28.655 34.417 18.134 1.00 56.47 ATOM 173 CA LEU L 28 -27.867 34.228 16.931 1.00 61.91 ATOM 174 C LEU L 28 -28.732 34.571 15.726 1.00 66.89 ATOM 175 O LEU L 28 -28.369 35.460 14.957 1.00 66.49 ATOM 176 CB LEU L 28 -27.270 32.815 16.850 1.00 61.94 ATOM 177 CG LEU L 28 -26.387 32.359 18.018 1.00 61.21 ATOM 178 CD1 LEU L 28 -25.641 31.087 17.667 1.00 61.15 ATOM 179 CD2 LEU L 28 -25.396 33.427 18.447 1.00 61.02 ATOM 180 N LEU L 29 -29.888 33.894 15.606 1.00 75.63 ATOM 181 CA LEU L 29 -30.796 34.103 14.483 1.00 74.64 ATOM 182 C LEU L 29 -31.147 35.589 14.374 1.00 70.66 ATOM 183 O LEU L 29 -31.054 36.165 13.296 1.00 69.50 ATOM 184 CB LEU L 29 -32.031 33.199 14.616 1.00 80.91 ATOM 185 CG LEU L 29 -33.265 33.578 13.784 1.00 95.00 ATOM 186 CD1 LEU L 29 -32.974 33.610 12.288 1.00 89.75 ATOM 187 CD2 LEU L 29 -34.442 32.651 14.070 1.00 94.59 ATOM 188 N GLU L 30 -31.481 36.213 15.508 1.00 67.74 ATOM 189 CA GLU L 30 -31.859 37.616 15.558 1.00 72.47 ATOM 190 C GLU L 30 -30.756 38.523 15.016 1.00 77.96 ATOM 191 O GLU L 30 -31.053 39.607 14.531 1.00 84.19 ATOM 192 CB GLU L 30 -32.200 38.022 16.990 1.00 74.16 ATOM 193 CG GLU L 30 -33.472 37.366 17.486 1.00 84.99 ATOM 194 CD GLU L 30 -34.314 38.200 18.433 1.00 88.29 ATOM 195 OE1 GLU L 30 -34.011 39.399 18.581 1.00 85.46 ATOM 196 OE2 GLU L 30 -35.282 37.646 19.007 1.00 99.93 ATOM 197 N SER L 31 -29.489 38.097 15.117 1.00 86.00 ATOM 198 CA SER L 31 -28.372 38.926 14.681 1.00 81.13 ATOM 199 C SER L 31 -28.401 39.086 13.163 1.00 80.22 ATOM 200 O SER L 31 -27.894 40.072 12.636 1.00 76.85 ATOM 201 CB SER L 31 -27.038 38.381 15.149 1.00 85.22 ATOM 202 OG SER L 31 -26.571 37.346 14.287 1.00 72.32 ATOM 203 N TYR L 32 -28.990 38.098 12.476 1.00 83.62 ATOM 204 CA TYR L 32 -29.146 38.140 11.032 1.00 91.79 ATOM 205 C TYR L 32 -30.308 39.051 10.628 1.00 95.70 ATOM 206 O TYR L 32 -31.074 38.696 9.735 1.00103.49 ATOM 207 CB TYR L 32 -29.464 36.750 10.474 1.00 87.49 ATOM 208 CG TYR L 32 -28.560 35.605 10.854 1.00 86.59 ATOM 209 CD1 TYR L 32 -27.195 35.639 10.613 1.00 87.13 ATOM 210 CD2 TYR L 32 -29.094 34.437 11.376 1.00 85.70 ATOM 211 CE1 TYR L 32 -26.377 34.564 10.934 1.00 78.48 ATOM 212 CE2 TYR L 32 -28.295 33.351 11.693 1.00 81.07 ATOM 213 CZ TYR L 32 -26.930 33.413 11.473 1.00 81.65 ATOM 214 OH TYR L 32 -26.148 32.335 11.781 1.00 73.98 ATOM 215 N ILE L 33 -30.449 40.210 11.290 1.00101.81 ATOM 216 CA ILE L 33 -31.391 41.244 10.878 1.00100.17 ATOM 217 C ILE L 33 -30.777 42.623 11.158 1.00102.32 ATOM 218 O ILE L 33 -29.898 43.031 10.371 1.00110.41 ATOM 219 CB ILE L 33 -32.781 41.088 11.541 1.00 98.83 ATOM 220 CG1 ILE L 33 -32.723 41.086 13.073 1.00104.12 ATOM 221 CG2 ILE L 33 -33.530 39.877 10.999 1.00 93.35 ATOM 222 CD1 ILE L 33 -32.763 42.460 13.721 1.00109.58 TER