HEADER TOXIN 31-DEC-69 5O0U TITLE Crystal structure of tarantula venom peptide Protoxin-II COMPND MOL_ID: 1; COMPND 2 MOLECULE: Beta/omega-theraphotoxin-Tp2a; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 0.99 ANGSTORMS DBREF 5O0U A 1001 1030 UNP P83476 TXPR2_THRPR 1 30 SEQRES 1 A 30 TYR CYS GLN LYS TRP MET TRP THR CYS ASP SER GLU ARG SEQRES 2 A 30 LYS CYS CYS GLU GLY MET VAL CYS ARG LEU TRP CYS LYS SEQRES 3 A 30 LYS LYS LEU TRP ATOM 1 N TYR A 1 13.943 13.571 53.295 1.00 20.49 ATOM 2 CA TYR A 1 12.717 14.387 53.185 1.00 11.86 ATOM 3 C TYR A 1 11.731 13.537 52.385 1.00 8.69 ATOM 4 O TYR A 1 11.218 12.528 52.890 1.00 9.29 ATOM 5 CB TYR A 1 13.125 15.732 52.651 1.00 11.27 ATOM 6 CG TYR A 1 12.215 16.957 52.288 0.50 7.34 ATOM 7 CD1 TYR A 1 11.413 17.497 53.229 0.50 7.84 ATOM 8 CD2 TYR A 1 12.318 17.641 51.055 0.50 8.41 ATOM 9 CE1 TYR A 1 10.629 18.606 52.968 0.50 8.43 ATOM 10 CE2 TYR A 1 11.554 18.759 50.796 0.50 9.63 ATOM 11 CZ TYR A 1 10.691 19.245 51.762 0.50 8.50 ATOM 12 OH TYR A 1 9.922 20.366 51.572 0.50 9.99 ATOM 13 N CYS A 2 11.419 13.942 51.173 1.00 7.23 ATOM 14 CA CYS A 2 10.572 13.168 50.277 1.00 6.28 ATOM 15 C CYS A 2 11.091 13.373 48.882 1.00 5.46 ATOM 16 O CYS A 2 11.885 14.286 48.606 1.00 6.60 ATOM 17 CB CYS A 2 9.094 13.539 50.406 1.00 6.39 ATOM 18 SG CYS A 2 8.764 15.329 50.232 1.00 6.92 ATOM 19 N GLN A 3 10.670 12.520 47.973 1.00 5.36 ATOM 20 CA GLN A 3 11.154 12.553 46.595 1.00 5.52 ATOM 21 C GLN A 3 10.255 13.477 45.760 1.00 4.97 ATOM 22 O GLN A 3 9.031 13.384 45.762 1.00 5.76 ATOM 23 CB GLN A 3 11.166 11.132 46.033 1.00 6.01 ATOM 24 CG GLN A 3 12.041 10.189 46.866 1.00 6.68 ATOM 25 CD GLN A 3 13.423 10.647 47.021 1.00 7.93 ATOM 26 OE1 GLN A 3 13.769 11.228 48.089 1.00 10.01 ATOM 27 NE2 GLN A 3 14.248 10.452 46.020 1.00 8.75 ATOM 28 N LYS A 4 10.903 14.415 45.070 1.00 5.31 ATOM 29 CA LYS A 4 10.216 15.421 44.276 1.00 5.56 ATOM 30 C LYS A 4 9.816 14.870 42.913 1.00 5.59 ATOM 31 O LYS A 4 10.129 13.735 42.555 1.00 5.71 ATOM 32 CB LYS A 4 11.116 16.647 44.163 1.00 5.55 ATOM 33 CG LYS A 4 11.330 17.413 45.458 1.00 6.46 ATOM 34 CD LYS A 4 10.147 18.312 45.773 1.00 7.18 ATOM 35 CE LYS A 4 10.300 19.187 46.990 1.00 8.54 ATOM 36 NZ LYS A 4 11.407 20.189 46.868 1.00 7.51 ATOM 37 N TRP A 5 9.092 15.693 42.145 1.00 6.15 ATOM 38 CA TRP A 5 8.653 15.295 40.807 1.00 6.34 ATOM 39 C TRP A 5 9.840 14.832 39.982 1.00 6.28 ATOM 40 O TRP A 5 10.876 15.497 39.917 1.00 7.18 ATOM 41 CB TRP A 5 7.990 16.507 40.152 1.00 6.89 ATOM 42 CG TRP A 5 7.372 16.238 38.831 1.00 7.55 ATOM 43 CD1 TRP A 5 6.367 15.361 38.570 1.00 9.84 ATOM 44 CD2 TRP A 5 7.768 16.800 37.566 1.00 8.30 ATOM 45 NE1 TRP A 5 6.080 15.375 37.246 1.00 11.08 ATOM 46 CE2 TRP A 5 6.917 16.254 36.600 1.00 9.81 ATOM 47 CE3 TRP A 5 8.760 17.724 37.167 1.00 10.11 ATOM 48 CZ2 TRP A 5 7.027 16.580 35.248 1.00 12.00 ATOM 49 CZ3 TRP A 5 8.879 18.029 35.869 1.00 13.33 ATOM 50 CH2 TRP A 5 8.011 17.475 34.922 1.00 13.71 ATOM 51 N MET A 6 9.672 13.651 39.375 1.00 6.75 ATOM 52 CA MET A 6 10.683 13.058 38.508 1.00 7.87 ATOM 53 C MET A 6 11.936 12.581 39.234 1.00 7.84 ATOM 54 O MET A 6 12.851 12.127 38.579 1.00 11.17 ATOM 55 CB MET A 6 11.037 13.966 37.309 1.00 10.71 ATOM 56 CG MET A 6 9.856 14.115 36.347 1.00 15.07 ATOM 57 SD MET A 6 9.419 12.555 35.582 1.00 22.72 ATOM 58 CE MET A 6 7.644 12.697 35.448 1.00 38.46 ATOM 59 N TRP A 7 11.947 12.619 40.555 1.00 6.49 ATOM 60 CA TRP A 7 13.016 11.960 41.299 1.00 6.45 ATOM 61 C TRP A 7 12.690 10.467 41.417 1.00 6.10 ATOM 62 O TRP A 7 11.525 10.059 41.383 1.00 6.73 ATOM 63 CB TRP A 7 13.181 12.580 42.691 1.00 6.10 ATOM 64 CG TRP A 7 13.689 14.020 42.718 1.00 6.29 ATOM 65 CD1 TRP A 7 13.504 14.980 41.753 1.00 6.58 ATOM 66 CD2 TRP A 7 14.423 14.622 43.773 1.00 6.39 ATOM 67 NE1 TRP A 7 14.096 16.153 42.169 1.00 6.78 ATOM 68 CE2 TRP A 7 14.647 15.974 43.409 1.00 6.21 ATOM 69 CE3 TRP A 7 14.931 14.176 44.971 1.00 7.72 ATOM 70 CZ2 TRP A 7 15.363 16.860 44.229 1.00 7.71 ATOM 71 CZ3 TRP A 7 15.632 15.028 45.789 1.00 9.70 ATOM 72 CH2 TRP A 7 15.867 16.360 45.400 1.00 9.40 ATOM 73 N THR A 8 13.722 9.655 41.587 1.00 6.75 ATOM 74 CA THR A 8 13.492 8.240 41.841 1.00 6.56 ATOM 75 C THR A 8 12.791 8.047 43.186 1.00 6.20 ATOM 76 O THR A 8 12.913 8.879 44.083 1.00 7.47 ATOM 77 CB THR A 8 14.810 7.427 41.833 1.00 8.20 ATOM 78 OG1 THR A 8 15.691 7.917 42.812 1.00 11.12 ATOM 79 CG2 THR A 8 15.453 7.406 40.482 1.00 11.65 ATOM 80 N CYS A 9 12.078 6.931 43.302 1.00 5.78 ATOM 81 CA CYS A 9 11.328 6.673 44.527 1.00 5.63 ATOM 82 C CYS A 9 11.280 5.164 44.760 1.00 5.73 ATOM 83 O CYS A 9 11.364 4.377 43.834 1.00 6.09 ATOM 84 CB CYS A 9 9.932 7.303 44.451 1.00 6.35 ATOM 85 SG CYS A 9 9.045 6.907 42.924 1.00 7.01 ATOM 86 N ASP A 10 11.114 4.813 46.033 1.00 5.93 ATOM 87 CA ASP A 10 11.018 3.422 46.417 1.00 6.20 ATOM 88 C ASP A 10 10.300 3.317 47.736 1.00 6.44 ATOM 89 O ASP A 10 9.728 4.288 48.247 1.00 6.72 ATOM 90 CB ASP A 10 12.398 2.722 46.410 1.00 6.40 ATOM 91 CG ASP A 10 13.304 3.066 47.536 1.00 6.60 ATOM 92 OD1 ASP A 10 13.021 3.981 48.334 1.00 7.68 ATOM 93 OD2 ASP A 10 14.366 2.378 47.611 1.00 7.20 ATOM 94 N SER A 11 10.295 2.121 48.337 1.00 7.75 ATOM 95 CA SER A 11 9.494 1.909 49.513 1.00 8.52 ATOM 96 C SER A 11 9.798 2.859 50.672 1.00 9.24 ATOM 97 O SER A 11 8.888 3.181 51.397 1.00 14.50 ATOM 98 CB SER A 11 9.620 0.466 49.995 1.00 12.83 ATOM 99 OG SER A 11 9.132 -0.359 48.984 1.00 17.66 ATOM 100 N GLU A 12 11.066 3.223 50.867 1.00 8.93 ATOM 101 CA GLU A 12 11.570 4.116 51.908 1.00 12.50 ATOM 102 C GLU A 12 11.675 5.567 51.525 1.00 9.48 ATOM 103 O GLU A 12 11.662 6.457 52.403 1.00 11.74 ATOM 104 CB GLU A 12 12.982 3.628 52.431 1.00 18.26 ATOM 105 CG GLU A 12 13.046 2.250 53.047 1.00 18.76 ATOM 106 CD GLU A 12 12.831 2.250 54.558 1.00 21.57 ATOM 107 OE1 GLU A 12 12.786 1.179 55.087 1.00 23.66 ATOM 108 OE2 GLU A 12 12.790 3.339 55.186 1.00 25.59 ATOM 109 N ARG A 13 11.825 5.826 50.240 1.00 8.37 ATOM 110 CA ARG A 13 11.959 7.164 49.699 1.00 7.99 ATOM 111 C ARG A 13 10.663 7.464 48.936 1.00 6.31 ATOM 112 O ARG A 13 10.556 7.198 47.746 1.00 7.12 ATOM 113 CB ARG A 13 13.198 7.284 48.822 1.00 9.30 ATOM 114 CG ARG A 13 14.506 7.560 49.521 1.00 12.54 ATOM 115 CD ARG A 13 15.109 6.461 50.270 1.00 12.00 ATOM 116 NE ARG A 13 15.389 5.298 49.473 1.00 9.19 ATOM 117 CZ ARG A 13 16.589 4.883 49.057 1.00 8.06 ATOM 118 NH1 ARG A 13 17.701 5.535 49.368 1.00 9.49 ATOM 119 NH2 ARG A 13 16.665 3.758 48.415 1.00 10.57 ATOM 120 N LYS A 14 9.684 7.960 49.680 1.00 6.95 ATOM 121 CA LYS A 14 8.342 8.171 49.142 1.00 6.63 ATOM 122 C LYS A 14 8.231 9.479 48.451 1.00 5.69 ATOM 123 O LYS A 14 8.926 10.456 48.770 1.00 6.57 ATOM 124 CB LYS A 14 7.328 8.111 50.286 1.00 7.88 ATOM 125 CG LYS A 14 7.354 6.808 51.053 1.00 10.54 ATOM 126 CD LYS A 14 6.364 6.820 52.207 1.00 14.16 ATOM 127 CE LYS A 14 6.516 5.584 53.029 1.00 16.81 ATOM 128 NZ LYS A 14 5.520 5.470 54.111 1.00 26.14 ATOM 129 N CYS A 15 7.303 9.565 47.493 1.00 5.72 ATOM 130 CA CYS A 15 7.063 10.814 46.805 1.00 5.77 ATOM 131 C CYS A 15 6.418 11.845 47.739 1.00 5.80 ATOM 132 O CYS A 15 5.601 11.520 48.610 1.00 6.17 ATOM 133 CB CYS A 15 6.164 10.597 45.604 1.00 6.11 ATOM 134 SG CYS A 15 6.938 9.479 44.377 1.00 7.23 ATOM 135 N CYS A 16 6.775 13.103 47.524 1.00 5.67 ATOM 136 CA CYS A 16 6.128 14.201 48.211 1.00 6.27 ATOM 137 C CYS A 16 4.628 14.258 47.899 1.00 6.74 ATOM 138 O CYS A 16 4.131 13.644 46.953 1.00 7.63 ATOM 139 CB CYS A 16 6.824 15.519 47.868 1.00 7.02 ATOM 140 SG CYS A 16 8.618 15.619 48.217 1.00 7.28 ATOM 141 N GLU A 17 3.948 15.033 48.717 1.00 7.07 ATOM 142 CA GLU A 17 2.516 15.226 48.664 1.00 7.69 ATOM 143 C GLU A 17 2.028 15.471 47.249 1.00 7.98 ATOM 144 O GLU A 17 2.580 16.259 46.518 1.00 9.41 ATOM 145 CB GLU A 17 2.143 16.415 49.590 1.00 9.12 ATOM 146 CG GLU A 17 0.703 16.564 49.914 1.00 10.99 ATOM 147 CD GLU A 17 0.435 17.702 50.873 1.00 13.09 ATOM 148 OE1 GLU A 17 -0.637 18.284 50.752 1.00 21.48 ATOM 149 OE2 GLU A 17 1.261 17.954 51.782 1.00 13.71 ATOM 150 N GLY A 18 0.938 14.807 46.914 1.00 8.80 ATOM 151 CA GLY A 18 0.293 14.971 45.614 1.00 9.27 ATOM 152 C GLY A 18 0.908 14.155 44.493 1.00 8.96 ATOM 153 O GLY A 18 0.487 14.288 43.341 1.00 11.08 ATOM 154 N MET A 19 1.897 13.319 44.804 1.00 8.21 ATOM 155 CA MET A 19 2.600 12.501 43.806 1.00 7.73 ATOM 156 C MET A 19 2.530 11.049 44.209 1.00 8.05 ATOM 157 O MET A 19 2.296 10.713 45.366 1.00 9.99 ATOM 158 CB MET A 19 4.036 12.990 43.610 1.00 7.94 ATOM 159 CG MET A 19 4.046 14.350 42.930 1.00 9.17 ATOM 160 SD MET A 19 5.705 14.992 42.610 1.00 9.79 ATOM 161 CE MET A 19 6.174 15.432 44.247 1.00 12.03 ATOM 162 N VAL A 20 2.772 10.199 43.212 1.00 8.10 ATOM 163 CA VAL A 20 2.725 8.748 43.360 1.00 8.79 ATOM 164 C VAL A 20 3.942 8.145 42.670 1.00 7.55 ATOM 165 O VAL A 20 4.414 8.631 41.620 1.00 8.33 ATOM 166 CB VAL A 20 1.422 8.184 42.780 1.00 12.05 ATOM 167 CG1 VAL A 20 1.238 8.495 41.322 1.00 13.30 ATOM 168 CG2 VAL A 20 1.289 6.699 43.029 1.00 15.57 ATOM 169 N CYS A 21 4.483 7.099 43.279 1.00 8.18 ATOM 170 CA CYS A 21 5.717 6.499 42.771 1.00 8.00 ATOM 171 C CYS A 21 5.443 5.503 41.639 1.00 8.67 ATOM 172 O CYS A 21 4.735 4.505 41.836 1.00 11.19 ATOM 173 CB CYS A 21 6.453 5.793 43.909 1.00 8.56 ATOM 174 SG CYS A 21 8.067 5.166 43.396 1.00 8.74 ATOM 175 N ARG A 22 5.991 5.777 40.453 1.00 8.62 ATOM 176 CA ARG A 22 6.009 4.811 39.346 1.00 9.73 ATOM 177 C ARG A 22 7.448 4.751 38.848 1.00 8.61 ATOM 178 O ARG A 22 7.769 5.284 37.768 1.00 9.34 ATOM 179 CB ARG A 22 5.024 5.193 38.228 1.00 12.31 ATOM 180 CG ARG A 22 3.604 4.930 38.648 1.00 16.47 ATOM 181 CD ARG A 22 2.639 4.940 37.501 1.00 19.37 ATOM 182 NE ARG A 22 2.332 6.304 37.095 1.00 17.86 ATOM 183 CZ ARG A 22 1.301 7.045 37.532 1.00 20.95 ATOM 184 NH1 ARG A 22 0.435 6.582 38.454 1.00 23.39 ATOM 185 NH2 ARG A 22 1.165 8.295 37.071 1.00 21.85 ATOM 186 N LEU A 23 8.316 4.242 39.738 1.00 8.15 ATOM 187 CA LEU A 23 9.791 4.265 39.653 1.00 7.65 ATOM 188 C LEU A 23 10.398 5.647 39.852 1.00 6.56 ATOM 189 O LEU A 23 11.395 5.809 40.532 1.00 6.64 ATOM 190 CB LEU A 23 10.327 3.580 38.401 1.00 7.75 ATOM 191 CG LEU A 23 10.052 2.089 38.299 1.00 9.21 ATOM 192 CD1 LEU A 23 10.394 1.581 36.934 1.00 11.32 ATOM 193 CD2 LEU A 23 10.786 1.295 39.360 1.00 10.23 ATOM 194 N TRP A 24 9.773 6.644 39.216 1.00 6.75 ATOM 195 CA TRP A 24 9.995 8.076 39.474 1.00 6.55 ATOM 196 C TRP A 24 8.664 8.658 39.927 1.00 6.41 ATOM 197 O TRP A 24 7.591 8.120 39.666 1.00 7.55 ATOM 198 CB TRP A 24 10.516 8.783 38.204 1.00 7.71 ATOM 199 CG TRP A 24 11.847 8.312 37.692 1.00 7.86 ATOM 200 CD1 TRP A 24 13.059 8.868 37.959 1.00 9.40 ATOM 201 CD2 TRP A 24 12.084 7.228 36.804 1.00 8.93 ATOM 202 NE1 TRP A 24 14.034 8.193 37.299 1.00 11.38 ATOM 203 CE2 TRP A 24 13.459 7.175 36.600 1.00 9.97 ATOM 204 CE3 TRP A 24 11.273 6.278 36.165 1.00 10.15 ATOM 205 CZ2 TRP A 24 14.057 6.232 35.747 1.00 11.59 ATOM 206 CZ3 TRP A 24 11.869 5.342 35.331 1.00 12.69 ATOM 207 CH2 TRP A 24 13.231 5.326 35.157 1.00 12.95 ATOM 208 N CYS A 25 8.740 9.804 40.601 1.00 6.12 ATOM 209 CA CYS A 25 7.505 10.426 41.140 1.00 5.67 ATOM 210 C CYS A 25 6.731 11.130 40.061 1.00 6.04 ATOM 211 O CYS A 25 7.258 11.958 39.312 1.00 8.05 ATOM 212 CB CYS A 25 7.871 11.405 42.230 1.00 6.03 ATOM 213 SG CYS A 25 8.537 10.595 43.690 1.00 6.72 ATOM 214 N LYS A 26 5.425 10.825 40.018 1.00 6.90 ATOM 215 CA LYS A 26 4.499 11.373 39.040 1.00 8.30 ATOM 216 C LYS A 26 3.375 12.104 39.757 1.00 7.87 ATOM 217 O LYS A 26 3.004 11.764 40.873 1.00 8.65 ATOM 218 CB LYS A 26 3.896 10.272 38.193 1.00 12.62 ATOM 219 CG LYS A 26 4.869 9.250 37.661 1.00 16.77 ATOM 220 N LYS A 27 2.820 13.124 39.115 1.00 8.22 ATOM 221 CA LYS A 27 1.664 13.816 39.690 1.00 9.63 ATOM 222 C LYS A 27 0.424 12.918 39.686 1.00 9.64 ATOM 223 O LYS A 27 0.092 12.360 38.676 1.00 13.17 ATOM 224 CB LYS A 27 1.380 15.088 38.924 1.00 12.22 ATOM 225 CG LYS A 27 2.471 16.123 39.115 1.00 19.26 ATOM 226 CD LYS A 27 2.212 17.399 38.364 1.00 25.84 ATOM 227 N LYS A 28 -0.250 12.811 40.827 1.00 9.37 ATOM 228 CA LYS A 28 -1.524 12.118 40.910 1.00 11.19 ATOM 229 C LYS A 28 -2.623 12.956 40.320 1.00 10.76 ATOM 230 O LYS A 28 -2.702 14.148 40.619 1.00 14.06 ATOM 231 CB LYS A 28 -1.944 11.937 42.370 1.00 15.62 ATOM 232 CG LYS A 28 -1.085 10.997 43.128 1.00 17.59 ATOM 233 CD LYS A 28 -1.344 11.096 44.627 1.00 21.37 ATOM 234 CE LYS A 28 -2.697 10.666 45.017 1.00 23.16 ATOM 235 NZ LYS A 28 -2.901 10.553 46.520 1.00 22.25 ATOM 236 N LEU A 29 -3.514 12.366 39.560 1.00 9.06 ATOM 237 CA LEU A 29 -4.708 13.111 39.181 1.00 8.98 ATOM 238 C LEU A 29 -5.575 13.353 40.419 1.00 7.48 ATOM 239 O LEU A 29 -6.073 14.447 40.620 1.00 8.28 ATOM 240 CB LEU A 29 -5.449 12.379 38.094 1.00 11.64 ATOM 241 CG LEU A 29 -4.696 12.463 36.745 1.00 17.76 ATOM 242 CD1 LEU A 29 -5.704 11.956 35.742 1.00 24.84 ATOM 243 CD2 LEU A 29 -4.198 13.837 36.342 1.00 20.59 ATOM 244 N TRP A 30 -5.757 12.277 41.203 1.00 7.08 ATOM 245 CA TRP A 30 -6.404 12.360 42.502 1.00 6.87 ATOM 246 C TRP A 30 -6.063 11.113 43.305 1.00 7.24 ATOM 247 O TRP A 30 -5.550 10.135 42.711 1.00 8.12 ATOM 248 CB TRP A 30 -7.906 12.502 42.384 1.00 6.60 ATOM 249 CG TRP A 30 -8.655 11.481 41.562 1.00 6.25 ATOM 250 CD1 TRP A 30 -9.002 10.217 41.929 1.00 7.07 ATOM 251 CD2 TRP A 30 -9.206 11.669 40.265 1.00 6.31 ATOM 252 NE1 TRP A 30 -9.720 9.603 40.939 1.00 7.33 ATOM 253 CE2 TRP A 30 -9.870 10.481 39.908 1.00 7.03 ATOM 254 CE3 TRP A 30 -9.243 12.756 39.383 1.00 7.96 ATOM 255 CZ2 TRP A 30 -10.527 10.332 38.695 1.00 8.85 ATOM 256 CZ3 TRP A 30 -9.903 12.616 38.203 1.00 9.66 ATOM 257 CH2 TRP A 30 -10.545 11.421 37.851 1.00 9.72 ATOM 258 OXT TRP A 30 -6.314 11.143 44.519 1.00 8.73 ATOM 259 CL CL A -2.389 8.950 38.412 1.00 7.20 ATOM 260 CL CL A 3.378 13.879 35.492 1.00 13.54 ATOM 261 C1 EDO A 14.903 13.280 36.250 1.00 31.06 ATOM 262 O1 EDO A 15.723 13.449 37.425 1.00 44.48 ATOM 263 C2 EDO A 14.725 11.797 35.911 0.50 27.08 ATOM 264 O2 EDO A 14.865 11.441 34.519 0.50 23.39 ATOM 265 C1 EDO A 19.274 8.666 42.988 1.00 22.84 ATOM 266 O1 EDO A 17.913 8.797 43.394 1.00 42.25 ATOM 267 C2 EDO A 19.343 8.714 41.490 1.00 22.75 ATOM 268 O2 EDO A 20.669 8.885 41.005 1.00 52.14 TER