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 A1001 13.943 13.571 53.295 1.00 20.49 ATOM 2 CA TYR A1001 12.717 14.387 53.185 1.00 11.86 ATOM 3 C TYR A1001 11.731 13.537 52.385 1.00 8.69 ATOM 4 O TYR A1001 11.218 12.528 52.890 1.00 9.29 ATOM 5 CB TYR A1001 13.125 15.732 52.651 1.00 11.27 ATOM 6 CG TYR A1001 12.215 16.957 52.288 0.50 7.34 ATOM 7 CD1 TYR A1001 11.413 17.497 53.229 0.50 7.84 ATOM 8 CD2 TYR A1001 12.318 17.641 51.055 0.50 8.41 ATOM 9 CE1 TYR A1001 10.629 18.606 52.968 0.50 8.43 ATOM 10 CE2 TYR A1001 11.554 18.759 50.796 0.50 9.63 ATOM 11 CZ TYR A1001 10.691 19.245 51.762 0.50 8.50 ATOM 12 OH TYR A1001 9.922 20.366 51.572 0.50 9.99 ATOM 13 N CYS A1002 11.419 13.942 51.173 1.00 7.23 ATOM 14 CA CYS A1002 10.572 13.168 50.277 1.00 6.28 ATOM 15 C CYS A1002 11.091 13.373 48.882 1.00 5.46 ATOM 16 O CYS A1002 11.885 14.286 48.606 1.00 6.60 ATOM 17 CB CYS A1002 9.094 13.539 50.406 1.00 6.39 ATOM 18 SG CYS A1002 8.764 15.329 50.232 1.00 6.92 ATOM 19 N GLN A1003 10.670 12.520 47.973 1.00 5.36 ATOM 20 CA GLN A1003 11.154 12.553 46.595 1.00 5.52 ATOM 21 C GLN A1003 10.255 13.477 45.760 1.00 4.97 ATOM 22 O GLN A1003 9.031 13.384 45.762 1.00 5.76 ATOM 23 CB GLN A1003 11.166 11.132 46.033 1.00 6.01 ATOM 24 CG GLN A1003 12.041 10.189 46.866 1.00 6.68 ATOM 25 CD GLN A1003 13.423 10.647 47.021 1.00 7.93 ATOM 26 OE1 GLN A1003 13.769 11.228 48.089 1.00 10.01 ATOM 27 NE2 GLN A1003 14.248 10.452 46.020 1.00 8.75 ATOM 28 N LYS A1004 10.903 14.415 45.070 1.00 5.31 ATOM 29 CA LYS A1004 10.216 15.421 44.276 1.00 5.56 ATOM 30 C LYS A1004 9.816 14.870 42.913 1.00 5.59 ATOM 31 O LYS A1004 10.129 13.735 42.555 1.00 5.71 ATOM 32 CB LYS A1004 11.116 16.647 44.163 1.00 5.55 ATOM 33 CG LYS A1004 11.330 17.413 45.458 1.00 6.46 ATOM 34 CD LYS A1004 10.147 18.312 45.773 1.00 7.18 ATOM 35 CE LYS A1004 10.300 19.187 46.990 1.00 8.54 ATOM 36 NZ LYS A1004 11.407 20.189 46.868 1.00 7.51 ATOM 37 N TRP A1005 9.092 15.693 42.145 1.00 6.15 ATOM 38 CA TRP A1005 8.653 15.295 40.807 1.00 6.34 ATOM 39 C TRP A1005 9.840 14.832 39.982 1.00 6.28 ATOM 40 O TRP A1005 10.876 15.497 39.917 1.00 7.18 ATOM 41 CB TRP A1005 7.990 16.507 40.152 1.00 6.89 ATOM 42 CG TRP A1005 7.372 16.238 38.831 1.00 7.55 ATOM 43 CD1 TRP A1005 6.367 15.361 38.570 1.00 9.84 ATOM 44 CD2 TRP A1005 7.768 16.800 37.566 1.00 8.30 ATOM 45 NE1 TRP A1005 6.080 15.375 37.246 1.00 11.08 ATOM 46 CE2 TRP A1005 6.917 16.254 36.600 1.00 9.81 ATOM 47 CE3 TRP A1005 8.760 17.724 37.167 1.00 10.11 ATOM 48 CZ2 TRP A1005 7.027 16.580 35.248 1.00 12.00 ATOM 49 CZ3 TRP A1005 8.879 18.029 35.869 1.00 13.33 ATOM 50 CH2 TRP A1005 8.011 17.475 34.922 1.00 13.71 ATOM 51 N MET A1006 9.672 13.651 39.375 1.00 6.75 ATOM 52 CA MET A1006 10.683 13.058 38.508 1.00 7.87 ATOM 53 C MET A1006 11.936 12.581 39.234 1.00 7.84 ATOM 54 O MET A1006 12.851 12.127 38.579 1.00 11.17 ATOM 55 CB MET A1006 11.037 13.966 37.309 1.00 10.71 ATOM 56 CG MET A1006 9.856 14.115 36.347 1.00 15.07 ATOM 57 SD MET A1006 9.419 12.555 35.582 1.00 22.72 ATOM 58 CE MET A1006 7.644 12.697 35.448 1.00 38.46 ATOM 59 N TRP A1007 11.947 12.619 40.555 1.00 6.49 ATOM 60 CA TRP A1007 13.016 11.960 41.299 1.00 6.45 ATOM 61 C TRP A1007 12.690 10.467 41.417 1.00 6.10 ATOM 62 O TRP A1007 11.525 10.059 41.383 1.00 6.73 ATOM 63 CB TRP A1007 13.181 12.580 42.691 1.00 6.10 ATOM 64 CG TRP A1007 13.689 14.020 42.718 1.00 6.29 ATOM 65 CD1 TRP A1007 13.504 14.980 41.753 1.00 6.58 ATOM 66 CD2 TRP A1007 14.423 14.622 43.773 1.00 6.39 ATOM 67 NE1 TRP A1007 14.096 16.153 42.169 1.00 6.78 ATOM 68 CE2 TRP A1007 14.647 15.974 43.409 1.00 6.21 ATOM 69 CE3 TRP A1007 14.931 14.176 44.971 1.00 7.72 ATOM 70 CZ2 TRP A1007 15.363 16.860 44.229 1.00 7.71 ATOM 71 CZ3 TRP A1007 15.632 15.028 45.789 1.00 9.70 ATOM 72 CH2 TRP A1007 15.867 16.360 45.400 1.00 9.40 ATOM 73 N THR A1008 13.722 9.655 41.587 1.00 6.75 ATOM 74 CA THR A1008 13.492 8.240 41.841 1.00 6.56 ATOM 75 C THR A1008 12.791 8.047 43.186 1.00 6.20 ATOM 76 O THR A1008 12.913 8.879 44.083 1.00 7.47 ATOM 77 CB THR A1008 14.810 7.427 41.833 1.00 8.20 ATOM 78 OG1 THR A1008 15.691 7.917 42.812 1.00 11.12 ATOM 79 CG2 THR A1008 15.453 7.406 40.482 1.00 11.65 ATOM 80 N CYS A1009 12.078 6.931 43.302 1.00 5.78 ATOM 81 CA CYS A1009 11.328 6.673 44.527 1.00 5.63 ATOM 82 C CYS A1009 11.280 5.164 44.760 1.00 5.73 ATOM 83 O CYS A1009 11.364 4.377 43.834 1.00 6.09 ATOM 84 CB CYS A1009 9.932 7.303 44.451 1.00 6.35 ATOM 85 SG CYS A1009 9.045 6.907 42.924 1.00 7.01 ATOM 86 N ASP A1010 11.114 4.813 46.033 1.00 5.93 ATOM 87 CA ASP A1010 11.018 3.422 46.417 1.00 6.20 ATOM 88 C ASP A1010 10.300 3.317 47.736 1.00 6.44 ATOM 89 O ASP A1010 9.728 4.288 48.247 1.00 6.72 ATOM 90 CB ASP A1010 12.398 2.722 46.410 1.00 6.40 ATOM 91 CG ASP A1010 13.304 3.066 47.536 1.00 6.60 ATOM 92 OD1 ASP A1010 13.021 3.981 48.334 1.00 7.68 ATOM 93 OD2 ASP A1010 14.366 2.378 47.611 1.00 7.20 ATOM 94 N SER A1011 10.295 2.121 48.337 1.00 7.75 ATOM 95 CA SER A1011 9.494 1.909 49.513 1.00 8.52 ATOM 96 C SER A1011 9.798 2.859 50.672 1.00 9.24 ATOM 97 O SER A1011 8.888 3.181 51.397 1.00 14.50 ATOM 98 CB SER A1011 9.620 0.466 49.995 1.00 12.83 ATOM 99 OG SER A1011 9.132 -0.359 48.984 1.00 17.66 ATOM 100 N GLU A1012 11.066 3.223 50.867 1.00 8.93 ATOM 101 CA GLU A1012 11.570 4.116 51.908 1.00 12.50 ATOM 102 C GLU A1012 11.675 5.567 51.525 1.00 9.48 ATOM 103 O GLU A1012 11.662 6.457 52.403 1.00 11.74 ATOM 104 CB GLU A1012 12.982 3.628 52.431 1.00 18.26 ATOM 105 CG GLU A1012 13.046 2.250 53.047 1.00 18.76 ATOM 106 CD GLU A1012 12.831 2.250 54.558 1.00 21.57 ATOM 107 OE1 GLU A1012 12.786 1.179 55.087 1.00 23.66 ATOM 108 OE2 GLU A1012 12.790 3.339 55.186 1.00 25.59 ATOM 109 N ARG A1013 11.825 5.826 50.240 1.00 8.37 ATOM 110 CA ARG A1013 11.959 7.164 49.699 1.00 7.99 ATOM 111 C ARG A1013 10.663 7.464 48.936 1.00 6.31 ATOM 112 O ARG A1013 10.556 7.198 47.746 1.00 7.12 ATOM 113 CB ARG A1013 13.198 7.284 48.822 1.00 9.30 ATOM 114 CG ARG A1013 14.506 7.560 49.521 1.00 12.54 ATOM 115 CD ARG A1013 15.109 6.461 50.270 1.00 12.00 ATOM 116 NE ARG A1013 15.389 5.298 49.473 1.00 9.19 ATOM 117 CZ ARG A1013 16.589 4.883 49.057 1.00 8.06 ATOM 118 NH1 ARG A1013 17.701 5.535 49.368 1.00 9.49 ATOM 119 NH2 ARG A1013 16.665 3.758 48.415 1.00 10.57 ATOM 120 N LYS A1014 9.684 7.960 49.680 1.00 6.95 ATOM 121 CA LYS A1014 8.342 8.171 49.142 1.00 6.63 ATOM 122 C LYS A1014 8.231 9.479 48.451 1.00 5.69 ATOM 123 O LYS A1014 8.926 10.456 48.770 1.00 6.57 ATOM 124 CB LYS A1014 7.328 8.111 50.286 1.00 7.88 ATOM 125 CG LYS A1014 7.354 6.808 51.053 1.00 10.54 ATOM 126 CD LYS A1014 6.364 6.820 52.207 1.00 14.16 ATOM 127 CE LYS A1014 6.516 5.584 53.029 1.00 16.81 ATOM 128 NZ LYS A1014 5.520 5.470 54.111 1.00 26.14 ATOM 129 N CYS A1015 7.303 9.565 47.493 1.00 5.72 ATOM 130 CA CYS A1015 7.063 10.814 46.805 1.00 5.77 ATOM 131 C CYS A1015 6.418 11.845 47.739 1.00 5.80 ATOM 132 O CYS A1015 5.601 11.520 48.610 1.00 6.17 ATOM 133 CB CYS A1015 6.164 10.597 45.604 1.00 6.11 ATOM 134 SG CYS A1015 6.938 9.479 44.377 1.00 7.23 ATOM 135 N CYS A1016 6.775 13.103 47.524 1.00 5.67 ATOM 136 CA CYS A1016 6.128 14.201 48.211 1.00 6.27 ATOM 137 C CYS A1016 4.628 14.258 47.899 1.00 6.74 ATOM 138 O CYS A1016 4.131 13.644 46.953 1.00 7.63 ATOM 139 CB CYS A1016 6.824 15.519 47.868 1.00 7.02 ATOM 140 SG CYS A1016 8.618 15.619 48.217 1.00 7.28 ATOM 141 N GLU A1017 3.948 15.033 48.717 1.00 7.07 ATOM 142 CA GLU A1017 2.516 15.226 48.664 1.00 7.69 ATOM 143 C GLU A1017 2.028 15.471 47.249 1.00 7.98 ATOM 144 O GLU A1017 2.580 16.259 46.518 1.00 9.41 ATOM 145 CB GLU A1017 2.143 16.415 49.590 1.00 9.12 ATOM 146 CG GLU A1017 0.703 16.564 49.914 1.00 10.99 ATOM 147 CD GLU A1017 0.435 17.702 50.873 1.00 13.09 ATOM 148 OE1 GLU A1017 -0.637 18.284 50.752 1.00 21.48 ATOM 149 OE2 GLU A1017 1.261 17.954 51.782 1.00 13.71 ATOM 150 N GLY A1018 0.938 14.807 46.914 1.00 8.80 ATOM 151 CA GLY A1018 0.293 14.971 45.614 1.00 9.27 ATOM 152 C GLY A1018 0.908 14.155 44.493 1.00 8.96 ATOM 153 O GLY A1018 0.487 14.288 43.341 1.00 11.08 ATOM 154 N MET A1019 1.897 13.319 44.804 1.00 8.21 ATOM 155 CA MET A1019 2.600 12.501 43.806 1.00 7.73 ATOM 156 C MET A1019 2.530 11.049 44.209 1.00 8.05 ATOM 157 O MET A1019 2.296 10.713 45.366 1.00 9.99 ATOM 158 CB MET A1019 4.036 12.990 43.610 1.00 7.94 ATOM 159 CG MET A1019 4.046 14.350 42.930 1.00 9.17 ATOM 160 SD MET A1019 5.705 14.992 42.610 1.00 9.79 ATOM 161 CE MET A1019 6.174 15.432 44.247 1.00 12.03 ATOM 162 N VAL A1020 2.772 10.199 43.212 1.00 8.10 ATOM 163 CA VAL A1020 2.725 8.748 43.360 1.00 8.79 ATOM 164 C VAL A1020 3.942 8.145 42.670 1.00 7.55 ATOM 165 O VAL A1020 4.414 8.631 41.620 1.00 8.33 ATOM 166 CB VAL A1020 1.422 8.184 42.780 1.00 12.05 ATOM 167 CG1 VAL A1020 1.238 8.495 41.322 1.00 13.30 ATOM 168 CG2 VAL A1020 1.289 6.699 43.029 1.00 15.57 ATOM 169 N CYS A1021 4.483 7.099 43.279 1.00 8.18 ATOM 170 CA CYS A1021 5.717 6.499 42.771 1.00 8.00 ATOM 171 C CYS A1021 5.443 5.503 41.639 1.00 8.67 ATOM 172 O CYS A1021 4.735 4.505 41.836 1.00 11.19 ATOM 173 CB CYS A1021 6.453 5.793 43.909 1.00 8.56 ATOM 174 SG CYS A1021 8.067 5.166 43.396 1.00 8.74 ATOM 175 N ARG A1022 5.991 5.777 40.453 1.00 8.62 ATOM 176 CA ARG A1022 6.009 4.811 39.346 1.00 9.73 ATOM 177 C ARG A1022 7.448 4.751 38.848 1.00 8.61 ATOM 178 O ARG A1022 7.769 5.284 37.768 1.00 9.34 ATOM 179 CB ARG A1022 5.024 5.193 38.228 1.00 12.31 ATOM 180 CG ARG A1022 3.604 4.930 38.648 1.00 16.47 ATOM 181 CD ARG A1022 2.639 4.940 37.501 1.00 19.37 ATOM 182 NE ARG A1022 2.332 6.304 37.095 1.00 17.86 ATOM 183 CZ ARG A1022 1.301 7.045 37.532 1.00 20.95 ATOM 184 NH1 ARG A1022 0.435 6.582 38.454 1.00 23.39 ATOM 185 NH2 ARG A1022 1.165 8.295 37.071 1.00 21.85 ATOM 186 N LEU A1023 8.316 4.242 39.738 1.00 8.15 ATOM 187 CA LEU A1023 9.791 4.265 39.653 1.00 7.65 ATOM 188 C LEU A1023 10.398 5.647 39.852 1.00 6.56 ATOM 189 O LEU A1023 11.395 5.809 40.532 1.00 6.64 ATOM 190 CB LEU A1023 10.327 3.580 38.401 1.00 7.75 ATOM 191 CG LEU A1023 10.052 2.089 38.299 1.00 9.21 ATOM 192 CD1 LEU A1023 10.394 1.581 36.934 1.00 11.32 ATOM 193 CD2 LEU A1023 10.786 1.295 39.360 1.00 10.23 ATOM 194 N TRP A1024 9.773 6.644 39.216 1.00 6.75 ATOM 195 CA TRP A1024 9.995 8.076 39.474 1.00 6.55 ATOM 196 C TRP A1024 8.664 8.658 39.927 1.00 6.41 ATOM 197 O TRP A1024 7.591 8.120 39.666 1.00 7.55 ATOM 198 CB TRP A1024 10.516 8.783 38.204 1.00 7.71 ATOM 199 CG TRP A1024 11.847 8.312 37.692 1.00 7.86 ATOM 200 CD1 TRP A1024 13.059 8.868 37.959 1.00 9.40 ATOM 201 CD2 TRP A1024 12.084 7.228 36.804 1.00 8.93 ATOM 202 NE1 TRP A1024 14.034 8.193 37.299 1.00 11.38 ATOM 203 CE2 TRP A1024 13.459 7.175 36.600 1.00 9.97 ATOM 204 CE3 TRP A1024 11.273 6.278 36.165 1.00 10.15 ATOM 205 CZ2 TRP A1024 14.057 6.232 35.747 1.00 11.59 ATOM 206 CZ3 TRP A1024 11.869 5.342 35.331 1.00 12.69 ATOM 207 CH2 TRP A1024 13.231 5.326 35.157 1.00 12.95 ATOM 208 N CYS A1025 8.740 9.804 40.601 1.00 6.12 ATOM 209 CA CYS A1025 7.505 10.426 41.140 1.00 5.67 ATOM 210 C CYS A1025 6.731 11.130 40.061 1.00 6.04 ATOM 211 O CYS A1025 7.258 11.958 39.312 1.00 8.05 ATOM 212 CB CYS A1025 7.871 11.405 42.230 1.00 6.03 ATOM 213 SG CYS A1025 8.537 10.595 43.690 1.00 6.72 ATOM 214 N LYS A1026 5.425 10.825 40.018 1.00 6.90 ATOM 215 CA LYS A1026 4.499 11.373 39.040 1.00 8.30 ATOM 216 C LYS A1026 3.375 12.104 39.757 1.00 7.87 ATOM 217 O LYS A1026 3.004 11.764 40.873 1.00 8.65 ATOM 218 CB LYS A1026 3.896 10.272 38.193 1.00 12.62 ATOM 219 CG LYS A1026 4.869 9.250 37.661 1.00 16.77 ATOM 220 N LYS A1027 2.820 13.124 39.115 1.00 8.22 ATOM 221 CA LYS A1027 1.664 13.816 39.690 1.00 9.63 ATOM 222 C LYS A1027 0.424 12.918 39.686 1.00 9.64 ATOM 223 O LYS A1027 0.092 12.360 38.676 1.00 13.17 ATOM 224 CB LYS A1027 1.380 15.088 38.924 1.00 12.22 ATOM 225 CG LYS A1027 2.471 16.123 39.115 1.00 19.26 ATOM 226 CD LYS A1027 2.212 17.399 38.364 1.00 25.84 ATOM 227 N LYS A1028 -0.250 12.811 40.827 1.00 9.37 ATOM 228 CA LYS A1028 -1.524 12.118 40.910 1.00 11.19 ATOM 229 C LYS A1028 -2.623 12.956 40.320 1.00 10.76 ATOM 230 O LYS A1028 -2.702 14.148 40.619 1.00 14.06 ATOM 231 CB LYS A1028 -1.944 11.937 42.370 1.00 15.62 ATOM 232 CG LYS A1028 -1.085 10.997 43.128 1.00 17.59 ATOM 233 CD LYS A1028 -1.344 11.096 44.627 1.00 21.37 ATOM 234 CE LYS A1028 -2.697 10.666 45.017 1.00 23.16 ATOM 235 NZ LYS A1028 -2.901 10.553 46.520 1.00 22.25 ATOM 236 N LEU A1029 -3.514 12.366 39.560 1.00 9.06 ATOM 237 CA LEU A1029 -4.708 13.111 39.181 1.00 8.98 ATOM 238 C LEU A1029 -5.575 13.353 40.419 1.00 7.48 ATOM 239 O LEU A1029 -6.073 14.447 40.620 1.00 8.28 ATOM 240 CB LEU A1029 -5.449 12.379 38.094 1.00 11.64 ATOM 241 CG LEU A1029 -4.696 12.463 36.745 1.00 17.76 ATOM 242 CD1 LEU A1029 -5.704 11.956 35.742 1.00 24.84 ATOM 243 CD2 LEU A1029 -4.198 13.837 36.342 1.00 20.59 ATOM 244 N TRP A1030 -5.757 12.277 41.203 1.00 7.08 ATOM 245 CA TRP A1030 -6.404 12.360 42.502 1.00 6.87 ATOM 246 C TRP A1030 -6.063 11.113 43.305 1.00 7.24 ATOM 247 O TRP A1030 -5.550 10.135 42.711 1.00 8.12 ATOM 248 CB TRP A1030 -7.906 12.502 42.384 1.00 6.60 ATOM 249 CG TRP A1030 -8.655 11.481 41.562 1.00 6.25 ATOM 250 CD1 TRP A1030 -9.002 10.217 41.929 1.00 7.07 ATOM 251 CD2 TRP A1030 -9.206 11.669 40.265 1.00 6.31 ATOM 252 NE1 TRP A1030 -9.720 9.603 40.939 1.00 7.33 ATOM 253 CE2 TRP A1030 -9.870 10.481 39.908 1.00 7.03 ATOM 254 CE3 TRP A1030 -9.243 12.756 39.383 1.00 7.96 ATOM 255 CZ2 TRP A1030 -10.527 10.332 38.695 1.00 8.85 ATOM 256 CZ3 TRP A1030 -9.903 12.616 38.203 1.00 9.66 ATOM 257 CH2 TRP A1030 -10.545 11.421 37.851 1.00 9.72 ATOM 258 OXT TRP A1030 -6.314 11.143 44.519 1.00 8.73 ATOM 259 CL CL A1101 -2.389 8.950 38.412 1.00 7.20 ATOM 260 CL CL A1102 3.378 13.879 35.492 1.00 13.54 ATOM 261 C1 EDO A1103 14.903 13.280 36.250 1.00 31.06 ATOM 262 O1 EDO A1103 15.723 13.449 37.425 1.00 44.48 ATOM 263 C2 EDO A1103 14.725 11.797 35.911 0.50 27.08 ATOM 264 O2 EDO A1103 14.865 11.441 34.519 0.50 23.39 ATOM 265 C1 EDO A1104 19.274 8.666 42.988 1.00 22.84 ATOM 266 O1 EDO A1104 17.913 8.797 43.394 1.00 42.25 ATOM 267 C2 EDO A1104 19.343 8.714 41.490 1.00 22.75 ATOM 268 O2 EDO A1104 20.669 8.885 41.005 1.00 52.14 TER