HEADER HYDROLASE 31-DEC-69 6Z8X TITLE X-ray structure of the complex between human alpha thrombin and a TITLE 2 thrombin binding aptamer variant (TBA-3Leu), which contains leucyl TITLE 3 amide in the side chain of Thy3 at N3. COMPND MOL_ID: 1; COMPND 2 MOLECULE: Prothrombin; COMPND 3 CHAIN: L; COMPND 4 EC: 3.4.21.5; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.53 ANGSTORMS DBREF 6Z8X L -5 18 UNP P00734 THRB_HUMAN 328 363 SEQRES 1 L 26 ALA ASP CYS GLY LEU ARG PRO LEU PHE GLU LYS LYS SER SEQRES 2 L 26 LEU GLU ASP LYS THR GLU ARG GLU LEU LEU GLU SER TYR ATOM 1 N ALA L 1B -56.639 22.591 19.002 1.00 63.33 ATOM 2 CA ALA L 1B -56.749 23.339 20.285 1.00 64.86 ATOM 3 C ALA L 1B -56.853 24.839 20.019 1.00 65.61 ATOM 4 O ALA L 1B -57.731 25.493 20.577 1.00 67.57 ATOM 5 CB ALA L 1B -55.617 22.998 21.229 1.00 63.22 ATOM 6 N ASP L 1A -55.969 25.375 19.164 1.00 65.51 ATOM 7 CA ASP L 1A -55.966 26.798 18.853 1.00 65.40 ATOM 8 C ASP L 1A -55.618 27.019 17.381 1.00 66.07 ATOM 9 O ASP L 1A -55.451 28.157 16.943 1.00 66.94 ATOM 10 CB ASP L 1A -55.049 27.576 19.802 1.00 65.11 ATOM 11 CG ASP L 1A -55.233 29.084 19.743 1.00 65.45 ATOM 12 OD1 ASP L 1A -56.326 29.531 19.336 1.00 65.46 ATOM 13 OD2 ASP L 1A -54.279 29.801 20.101 1.00 66.22 ATOM 14 N CYS L 1 -55.543 25.922 16.619 1.00 64.72 ATOM 15 CA CYS L 1 -55.114 25.950 15.229 1.00 64.50 ATOM 16 C CYS L 1 -56.096 26.746 14.372 1.00 63.57 ATOM 17 O CYS L 1 -57.230 26.999 14.779 1.00 62.69 ATOM 18 CB CYS L 1 -54.998 24.537 14.669 1.00 65.62 ATOM 19 SG CYS L 1 -56.544 23.593 14.744 1.00 66.68 ATOM 20 N GLY L 2 -55.632 27.130 13.176 1.00 62.57 ATOM 21 CA GLY L 2 -56.477 27.686 12.132 1.00 61.75 ATOM 22 C GLY L 2 -57.031 29.065 12.477 1.00 60.85 ATOM 23 O GLY L 2 -57.872 29.593 11.755 1.00 62.14 ATOM 24 N LEU L 3 -56.558 29.636 13.589 1.00 58.59 ATOM 25 CA LEU L 3 -56.942 30.983 13.974 1.00 57.12 ATOM 26 C LEU L 3 -55.689 31.853 13.995 1.00 56.55 ATOM 27 O LEU L 3 -54.869 31.750 14.904 1.00 55.66 ATOM 28 CB LEU L 3 -57.632 30.941 15.342 1.00 57.36 ATOM 29 CG LEU L 3 -58.912 30.107 15.417 1.00 57.13 ATOM 30 CD1 LEU L 3 -59.269 29.784 16.860 1.00 56.99 ATOM 31 CD2 LEU L 3 -60.072 30.807 14.725 1.00 56.80 ATOM 32 N ARG L 4 -55.552 32.694 12.964 1.00 57.13 ATOM 33 CA ARG L 4 -54.377 33.534 12.793 1.00 57.80 ATOM 34 C ARG L 4 -54.365 34.612 13.872 1.00 58.21 ATOM 35 O ARG L 4 -55.285 35.425 13.950 1.00 58.58 ATOM 36 CB ARG L 4 -54.343 34.140 11.386 1.00 56.95 ATOM 37 CG ARG L 4 -54.220 33.109 10.274 1.00 55.87 ATOM 38 CD ARG L 4 -54.573 33.666 8.909 1.00 55.76 ATOM 39 NE ARG L 4 -55.944 34.152 8.834 1.00 55.35 ATOM 40 CZ ARG L 4 -56.491 34.723 7.767 1.00 55.58 ATOM 41 NH1 ARG L 4 -55.785 34.884 6.661 1.00 56.62 ATOM 42 NH2 ARG L 4 -57.747 35.131 7.807 1.00 55.59 ATOM 43 N PRO L 5 -53.327 34.638 14.741 1.00 58.34 ATOM 44 CA PRO L 5 -53.237 35.629 15.815 1.00 59.52 ATOM 45 C PRO L 5 -53.011 37.058 15.323 1.00 61.14 ATOM 46 O PRO L 5 -52.339 37.846 15.987 1.00 63.01 ATOM 47 CB PRO L 5 -52.071 35.120 16.680 1.00 58.80 ATOM 48 CG PRO L 5 -51.222 34.301 15.734 1.00 57.61 ATOM 49 CD PRO L 5 -52.197 33.696 14.746 1.00 57.89 ATOM 50 N LEU L 6 -53.596 37.381 14.162 1.00 61.45 ATOM 51 CA LEU L 6 -53.618 38.740 13.643 1.00 61.91 ATOM 52 C LEU L 6 -54.709 38.881 12.581 1.00 62.01 ATOM 53 O LEU L 6 -54.808 39.916 11.922 1.00 61.02 ATOM 54 CB LEU L 6 -52.228 39.114 13.116 1.00 62.62 ATOM 55 CG LEU L 6 -51.681 38.243 11.988 1.00 63.95 ATOM 56 CD1 LEU L 6 -51.694 39.020 10.683 1.00 66.14 ATOM 57 CD2 LEU L 6 -50.266 37.791 12.307 1.00 63.75 ATOM 58 N PHE L 7 -55.525 37.831 12.434 1.00 62.09 ATOM 59 CA PHE L 7 -56.734 37.890 11.629 1.00 62.04 ATOM 60 C PHE L 7 -57.927 37.467 12.482 1.00 62.90 ATOM 61 O PHE L 7 -58.674 38.314 12.962 1.00 63.36 ATOM 62 CB PHE L 7 -56.583 37.080 10.340 1.00 61.28 ATOM 63 CG PHE L 7 -55.672 37.712 9.320 1.00 60.79 ATOM 64 CD1 PHE L 7 -56.126 38.732 8.496 1.00 60.94 ATOM 65 CD2 PHE L 7 -54.356 37.298 9.191 1.00 60.53 ATOM 66 CE1 PHE L 7 -55.281 39.323 7.568 1.00 61.27 ATOM 67 CE2 PHE L 7 -53.514 37.887 8.261 1.00 60.13 ATOM 68 CZ PHE L 7 -53.978 38.897 7.450 1.00 61.23 ATOM 69 N GLU L 8 -58.078 36.155 12.687 1.00 63.33 ATOM 70 CA GLU L 8 -59.188 35.624 13.460 1.00 64.29 ATOM 71 C GLU L 8 -59.097 36.116 14.902 1.00 65.13 ATOM 72 O GLU L 8 -60.117 36.413 15.518 1.00 65.88 ATOM 73 CB GLU L 8 -59.205 34.095 13.405 1.00 64.21 ATOM 74 CG GLU L 8 -59.723 33.538 12.091 1.00 63.86 ATOM 75 CD GLU L 8 -58.838 33.807 10.887 1.00 63.95 ATOM 76 OE1 GLU L 8 -57.619 33.562 10.983 1.00 63.90 ATOM 77 OE2 GLU L 8 -59.368 34.271 9.859 1.00 64.07 ATOM 78 N LYS L 9 -57.865 36.212 15.418 1.00 67.08 ATOM 79 CA LYS L 9 -57.631 36.506 16.824 1.00 69.41 ATOM 80 C LYS L 9 -57.677 38.012 17.075 1.00 70.84 ATOM 81 O LYS L 9 -58.206 38.450 18.095 1.00 70.90 ATOM 82 CB LYS L 9 -56.342 35.840 17.318 1.00 69.02 ATOM 83 CG LYS L 9 -56.467 34.360 17.657 1.00 69.05 ATOM 84 CD LYS L 9 -57.315 34.108 18.887 1.00 70.62 ATOM 85 CE LYS L 9 -58.035 32.777 18.859 1.00 71.42 ATOM 86 NZ LYS L 9 -59.045 32.680 19.940 1.00 70.76 ATOM 87 N LYS L 10 -57.127 38.794 16.138 1.00 72.60 ATOM 88 CA LYS L 10 -57.229 40.243 16.204 1.00 73.61 ATOM 89 C LYS L 10 -58.583 40.686 15.652 1.00 74.49 ATOM 90 O LYS L 10 -58.854 41.882 15.561 1.00 75.05 ATOM 91 CB LYS L 10 -56.068 40.914 15.462 1.00 73.15 ATOM 92 CG LYS L 10 -54.826 41.183 16.302 1.00 72.50 ATOM 93 CD LYS L 10 -54.009 42.366 15.817 1.00 72.33 ATOM 94 CE LYS L 10 -54.607 43.706 16.195 1.00 72.15 ATOM 95 NZ LYS L 10 -53.768 44.836 15.733 1.00 72.05 ATOM 96 N SER L 11 -59.422 39.700 15.304 1.00 74.74 ATOM 97 CA SER L 11 -60.740 39.913 14.726 1.00 75.00 ATOM 98 C SER L 11 -60.620 40.792 13.482 1.00 76.31 ATOM 99 O SER L 11 -60.977 41.969 13.506 1.00 77.48 ATOM 100 CB SER L 11 -61.707 40.475 15.741 1.00 73.54 ATOM 101 OG SER L 11 -63.049 40.262 15.331 1.00 72.07 ATOM 102 N LEU L 12 -60.099 40.195 12.403 1.00 76.47 ATOM 103 CA LEU L 12 -59.766 40.911 11.182 1.00 76.41 ATOM 104 C LEU L 12 -59.983 40.011 9.968 1.00 78.09 ATOM 105 O LEU L 12 -59.746 38.805 10.023 1.00 79.35 ATOM 106 CB LEU L 12 -58.306 41.370 11.257 1.00 74.91 ATOM 107 CG LEU L 12 -58.074 42.774 11.814 1.00 73.75 ATOM 108 CD1 LEU L 12 -56.654 42.918 12.338 1.00 73.05 ATOM 109 CD2 LEU L 12 -58.361 43.834 10.760 1.00 74.09 ATOM 110 N GLU L 13 -60.437 40.634 8.876 1.00 77.58 ATOM 111 CA GLU L 13 -60.542 40.002 7.573 1.00 76.88 ATOM 112 C GLU L 13 -59.248 40.273 6.810 1.00 75.15 ATOM 113 O GLU L 13 -58.613 41.304 7.021 1.00 74.94 ATOM 114 CB GLU L 13 -61.738 40.593 6.822 1.00 79.57 ATOM 115 CG GLU L 13 -62.118 39.826 5.568 1.00 83.20 ATOM 116 CD GLU L 13 -62.966 40.582 4.560 1.00 86.13 ATOM 117 OE1 GLU L 13 -64.096 40.972 4.913 1.00 88.68 ATOM 118 OE2 GLU L 13 -62.494 40.776 3.420 1.00 87.45 ATOM 119 N ASP L 14 -58.857 39.336 5.937 1.00 73.20 ATOM 120 CA ASP L 14 -57.793 39.596 4.980 1.00 71.73 ATOM 121 C ASP L 14 -58.406 40.198 3.717 1.00 70.73 ATOM 122 O ASP L 14 -59.562 40.617 3.728 1.00 71.31 ATOM 123 CB ASP L 14 -56.900 38.371 4.751 1.00 71.77 ATOM 124 CG ASP L 14 -57.588 37.196 4.077 1.00 72.75 ATOM 125 OD1 ASP L 14 -58.056 37.364 2.932 1.00 72.66 ATOM 126 OD2 ASP L 14 -57.634 36.117 4.698 1.00 73.02 ATOM 127 N LYS L 14A -57.625 40.241 2.633 1.00 68.46 ATOM 128 CA LYS L 14A -58.078 40.860 1.399 1.00 67.73 ATOM 129 C LYS L 14A -59.202 40.031 0.783 1.00 67.48 ATOM 130 O LYS L 14A -60.176 40.587 0.280 1.00 68.31 ATOM 131 CB LYS L 14A -56.920 41.029 0.411 1.00 66.92 ATOM 132 N THR L 14B -59.060 38.701 0.842 1.00 66.06 ATOM 133 CA THR L 14B -59.900 37.819 0.051 1.00 64.60 ATOM 134 C THR L 14B -60.295 36.569 0.834 1.00 63.41 ATOM 135 O THR L 14B -60.390 35.486 0.260 1.00 61.63 ATOM 136 CB THR L 14B -59.213 37.441 -1.268 1.00 64.89 ATOM 137 OG1 THR L 14B -57.855 37.113 -0.970 1.00 64.11 ATOM 138 CG2 THR L 14B -59.269 38.538 -2.309 1.00 65.17 ATOM 139 N GLU L 14C -60.529 36.718 2.141 1.00 63.86 ATOM 140 CA GLU L 14C -61.269 35.683 2.845 1.00 65.24 ATOM 141 C GLU L 14C -62.758 35.930 2.621 1.00 65.84 ATOM 142 O GLU L 14C -63.556 34.996 2.649 1.00 66.47 ATOM 143 CB GLU L 14C -60.850 35.530 4.312 1.00 65.78 ATOM 144 CG GLU L 14C -61.075 36.762 5.167 1.00 66.69 ATOM 145 CD GLU L 14C -61.270 36.471 6.645 1.00 67.88 ATOM 146 OE1 GLU L 14C -60.316 36.683 7.421 1.00 68.19 ATOM 147 OE2 GLU L 14C -62.379 36.041 7.018 1.00 68.49 ATOM 148 N ARG L 14D -63.103 37.199 2.362 1.00 66.07 ATOM 149 CA ARG L 14D -64.441 37.575 1.939 1.00 65.96 ATOM 150 C ARG L 14D -64.778 36.829 0.652 1.00 65.84 ATOM 151 O ARG L 14D -65.872 36.286 0.521 1.00 65.27 ATOM 152 CB ARG L 14D -64.538 39.090 1.728 1.00 65.71 ATOM 153 N GLU L 14E -63.809 36.795 -0.272 1.00 67.39 ATOM 154 CA GLU L 14E -63.952 36.149 -1.568 1.00 68.69 ATOM 155 C GLU L 14E -64.195 34.652 -1.381 1.00 68.27 ATOM 156 O GLU L 14E -64.978 34.055 -2.117 1.00 66.89 ATOM 157 CB GLU L 14E -62.706 36.398 -2.422 1.00 69.89 ATOM 158 CG GLU L 14E -62.831 35.887 -3.848 1.00 72.00 ATOM 159 CD GLU L 14E -61.521 35.691 -4.594 1.00 73.60 ATOM 160 OE1 GLU L 14E -60.522 35.316 -3.948 1.00 73.65 ATOM 161 OE2 GLU L 14E -61.503 35.911 -5.823 1.00 73.97 ATOM 162 N LEU L 14F -63.513 34.063 -0.391 1.00 68.50 ATOM 163 CA LEU L 14F -63.640 32.645 -0.094 1.00 69.47 ATOM 164 C LEU L 14F -65.030 32.358 0.470 1.00 71.00 ATOM 165 O LEU L 14F -65.677 31.395 0.062 1.00 71.79 ATOM 166 CB LEU L 14F -62.549 32.233 0.901 1.00 68.59 ATOM 167 CG LEU L 14F -61.120 32.205 0.360 1.00 68.10 ATOM 168 CD1 LEU L 14F -60.136 31.859 1.466 1.00 68.88 ATOM 169 CD2 LEU L 14F -60.984 31.221 -0.793 1.00 67.28 ATOM 170 N LEU L 14G -65.470 33.208 1.408 1.00 71.66 ATOM 171 CA LEU L 14G -66.751 33.065 2.083 1.00 72.56 ATOM 172 C LEU L 14G -67.890 33.059 1.064 1.00 73.45 ATOM 173 O LEU L 14G -68.808 32.247 1.165 1.00 74.47 ATOM 174 CB LEU L 14G -66.916 34.214 3.085 1.00 73.20 ATOM 175 CG LEU L 14G -66.818 33.845 4.568 1.00 73.71 ATOM 176 CD1 LEU L 14G -65.422 33.362 4.935 1.00 73.73 ATOM 177 CD2 LEU L 14G -67.213 35.025 5.443 1.00 72.90 ATOM 178 N GLU L 14H -67.800 33.958 0.076 1.00 73.16 ATOM 179 CA GLU L 14H -68.880 34.226 -0.863 1.00 72.68 ATOM 180 C GLU L 14H -69.076 33.051 -1.820 1.00 72.68 ATOM 181 O GLU L 14H -70.098 32.976 -2.500 1.00 72.69 ATOM 182 CB GLU L 14H -68.619 35.538 -1.608 1.00 72.30 ATOM 183 CG GLU L 14H -68.800 36.771 -0.736 1.00 72.14 ATOM 184 CD GLU L 14H -68.148 38.045 -1.247 1.00 71.60 ATOM 185 OE1 GLU L 14H -68.411 38.421 -2.406 1.00 71.54 ATOM 186 OE2 GLU L 14H -67.379 38.662 -0.483 1.00 71.32 ATOM 187 N SER L 14I -68.098 32.136 -1.857 1.00 72.49 ATOM 188 CA SER L 14I -68.145 30.975 -2.733 1.00 72.05 ATOM 189 C SER L 14I -69.004 29.872 -2.119 1.00 71.59 ATOM 190 O SER L 14I -69.538 29.028 -2.837 1.00 72.63 ATOM 191 CB SER L 14I -66.759 30.471 -3.043 1.00 71.87 ATOM 192 OG SER L 14I -66.237 29.725 -1.953 1.00 71.52 ATOM 193 N TYR L 14J -69.111 29.883 -0.785 1.00 69.24 ATOM 194 CA TYR L 14J -69.886 28.891 -0.058 1.00 67.64 ATOM 195 C TYR L 14J -71.342 29.358 0.050 1.00 66.69 ATOM 196 O TYR L 14J -72.047 29.288 -0.978 1.00 65.15 ATOM 197 CB TYR L 14J -69.263 28.635 1.317 1.00 67.18 TER