HEADER DEFENSIN 18-JAN-91 1DFN TITLE CRYSTAL STRUCTURE OF DEFENSIN HNP-3, AN AMPHIPHILIC DIMER: MECHANISMS TITLE 2 OF MEMBRANE PERMEABILIZATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: DEFENSIN HNP-3; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.90 ANGSTORMS DBREF 1DFN B 3 31 UNP P59665 DEF1_HUMAN 66 94 SEQRES 1 B 30 ASP CYS TYR CYS ARG ILE PRO ALA CYS ILE ALA GLY GLU SEQRES 2 B 30 ARG ARG TYR GLY THR CYS ILE TYR GLN GLY ARG LEU TRP SEQRES 3 B 30 ALA PHE CYS CYS ATOM 1 N ASP B 1 17.413 43.805 6.523 1.00 16.45 ATOM 2 CA ASP B 1 18.118 42.531 6.213 1.00 15.68 ATOM 3 C ASP B 1 17.536 41.514 7.226 1.00 17.36 ATOM 4 O ASP B 1 16.755 42.011 8.107 1.00 19.56 ATOM 5 CB ASP B 1 19.625 42.656 6.180 1.00 10.93 ATOM 6 CG ASP B 1 20.119 43.666 5.095 1.00 7.37 ATOM 7 N CYS B 2 17.909 40.255 7.069 1.00 17.80 ATOM 8 CA CYS B 2 17.379 39.205 7.970 1.00 18.01 ATOM 9 C CYS B 2 18.371 38.788 9.049 1.00 18.00 ATOM 10 O CYS B 2 19.537 38.650 8.700 1.00 17.55 ATOM 11 CB CYS B 2 16.952 37.945 7.192 1.00 17.69 ATOM 12 SG CYS B 2 15.746 38.329 5.893 1.00 17.69 ATOM 13 N TYR B 3 17.822 38.580 10.237 1.00 18.94 ATOM 14 CA TYR B 3 18.580 38.160 11.413 1.00 19.28 ATOM 15 C TYR B 3 17.901 37.077 12.235 1.00 17.40 ATOM 16 O TYR B 3 16.704 37.059 12.288 1.00 16.23 ATOM 17 CB TYR B 3 18.823 39.378 12.345 1.00 21.69 ATOM 18 CG TYR B 3 19.890 40.176 11.629 1.00 24.95 ATOM 19 CD1 TYR B 3 21.165 39.593 11.484 1.00 26.22 ATOM 20 CD2 TYR B 3 19.662 41.417 11.042 1.00 26.00 ATOM 21 CE1 TYR B 3 22.203 40.234 10.806 1.00 27.46 ATOM 22 CE2 TYR B 3 20.685 42.100 10.361 1.00 27.31 ATOM 23 CZ TYR B 3 21.948 41.503 10.249 1.00 27.97 ATOM 24 OH TYR B 3 22.965 42.180 9.590 1.00 28.92 ATOM 25 N CYS B 4 18.698 36.231 12.848 1.00 16.51 ATOM 26 CA CYS B 4 18.217 35.165 13.759 1.00 15.78 ATOM 27 C CYS B 4 17.998 35.877 15.100 1.00 16.70 ATOM 28 O CYS B 4 18.913 36.602 15.519 1.00 16.30 ATOM 29 CB CYS B 4 19.324 34.184 13.945 1.00 14.76 ATOM 30 SG CYS B 4 19.687 33.244 12.463 1.00 14.94 ATOM 31 N ARG B 5 16.843 35.714 15.672 1.00 17.87 ATOM 32 CA ARG B 5 16.489 36.397 16.915 1.00 19.80 ATOM 33 C ARG B 5 15.870 35.489 17.961 1.00 20.48 ATOM 34 O ARG B 5 15.122 34.566 17.680 1.00 21.28 ATOM 35 CB ARG B 5 15.395 37.442 16.713 1.00 20.26 ATOM 36 CG ARG B 5 15.677 38.463 15.643 1.00 21.32 ATOM 37 CD ARG B 5 16.545 39.581 16.015 1.00 22.11 ATOM 38 NE ARG B 5 16.407 40.709 15.058 1.00 22.65 ATOM 39 CZ ARG B 5 17.424 41.559 14.919 1.00 23.32 ATOM 40 NH1 ARG B 5 18.520 41.475 15.673 1.00 23.70 ATOM 41 NH2 ARG B 5 17.517 42.515 13.962 1.00 24.17 ATOM 42 N ILE B 6 16.187 35.877 19.180 1.00 21.84 ATOM 43 CA ILE B 6 15.678 35.186 20.393 1.00 22.25 ATOM 44 C ILE B 6 15.154 36.264 21.333 1.00 21.42 ATOM 45 O ILE B 6 15.707 37.380 21.491 1.00 21.31 ATOM 46 CB ILE B 6 16.868 34.242 20.706 1.00 24.04 ATOM 47 CG1 ILE B 6 16.549 33.257 21.862 1.00 25.26 ATOM 48 CG2 ILE B 6 18.142 35.080 20.992 1.00 24.03 ATOM 49 CD1 ILE B 6 17.266 33.817 23.147 1.00 26.26 ATOM 50 N PRO B 7 13.990 35.996 21.936 1.00 20.71 ATOM 51 CA PRO B 7 13.167 34.810 21.806 1.00 20.08 ATOM 52 C PRO B 7 12.267 34.864 20.568 1.00 19.56 ATOM 53 O PRO B 7 11.634 33.868 20.161 1.00 20.37 ATOM 54 CB PRO B 7 12.216 34.900 23.023 1.00 20.12 ATOM 55 CG PRO B 7 12.050 36.352 23.251 1.00 19.82 ATOM 56 CD PRO B 7 13.367 37.002 22.830 1.00 20.69 ATOM 57 N ALA B 8 12.115 36.058 20.008 1.00 18.32 ATOM 58 CA ALA B 8 11.263 36.237 18.824 1.00 17.66 ATOM 59 C ALA B 8 11.694 37.525 18.119 1.00 17.47 ATOM 60 O ALA B 8 12.608 38.233 18.576 1.00 18.00 ATOM 61 CB ALA B 8 9.809 36.235 19.172 1.00 17.34 ATOM 62 N CYS B 9 10.998 37.737 17.020 1.00 17.58 ATOM 63 CA CYS B 9 11.250 38.924 16.188 1.00 18.18 ATOM 64 C CYS B 9 10.892 40.218 16.933 1.00 19.77 ATOM 65 O CYS B 9 9.890 40.323 17.637 1.00 20.07 ATOM 66 CB CYS B 9 10.493 38.833 14.857 1.00 16.77 ATOM 67 SG CYS B 9 10.960 37.393 13.808 1.00 14.48 ATOM 68 N ILE B 10 11.754 41.167 16.667 1.00 21.65 ATOM 69 CA ILE B 10 11.766 42.580 17.158 1.00 22.79 ATOM 70 C ILE B 10 10.637 43.307 16.482 1.00 23.40 ATOM 71 O ILE B 10 10.033 42.861 15.468 1.00 23.75 ATOM 72 CB ILE B 10 13.273 43.001 16.993 1.00 23.48 ATOM 73 CG1 ILE B 10 14.048 42.487 18.278 1.00 23.49 ATOM 74 CG2 ILE B 10 13.746 44.440 16.618 1.00 23.84 ATOM 75 CD1 ILE B 10 15.516 43.052 18.210 1.00 24.12 ATOM 76 N ALA B 11 10.217 44.467 16.991 1.00 24.15 ATOM 77 CA ALA B 11 9.106 45.266 16.410 1.00 23.94 ATOM 78 C ALA B 11 9.394 45.666 14.957 1.00 23.70 ATOM 79 O ALA B 11 10.503 46.153 14.716 1.00 22.77 ATOM 80 CB ALA B 11 8.817 46.536 17.192 1.00 23.86 ATOM 81 N GLY B 12 8.376 45.412 14.138 1.00 24.45 ATOM 82 CA GLY B 12 8.539 45.758 12.712 1.00 24.95 ATOM 83 C GLY B 12 9.285 44.747 11.851 1.00 25.40 ATOM 84 O GLY B 12 9.747 45.070 10.692 1.00 26.82 ATOM 85 N GLU B 13 9.427 43.531 12.365 1.00 23.62 ATOM 86 CA GLU B 13 10.084 42.434 11.645 1.00 21.38 ATOM 87 C GLU B 13 9.051 41.322 11.658 1.00 20.15 ATOM 88 O GLU B 13 8.125 41.416 12.473 1.00 21.01 ATOM 89 CB GLU B 13 11.353 41.897 12.217 1.00 21.07 ATOM 90 CG GLU B 13 12.460 42.911 12.420 1.00 21.68 ATOM 91 CD GLU B 13 13.656 42.318 13.094 1.00 21.83 ATOM 92 OE1 GLU B 13 13.437 41.333 13.807 1.00 21.98 ATOM 93 OE2 GLU B 13 14.736 42.827 12.921 1.00 23.27 ATOM 94 N ARG B 14 9.204 40.382 10.748 1.00 17.96 ATOM 95 CA ARG B 14 8.309 39.242 10.619 1.00 15.34 ATOM 96 C ARG B 14 9.240 38.010 10.549 1.00 14.47 ATOM 97 O ARG B 14 10.358 38.105 10.070 1.00 13.62 ATOM 98 CB ARG B 14 7.414 39.210 9.388 1.00 14.14 ATOM 99 CG ARG B 14 6.166 39.997 9.147 1.00 12.29 ATOM 100 CD ARG B 14 4.834 39.282 9.333 1.00 9.43 ATOM 101 N ARG B 15 8.685 36.915 11.010 1.00 14.76 ATOM 102 CA ARG B 15 9.335 35.639 11.077 1.00 15.87 ATOM 103 C ARG B 15 9.156 34.907 9.736 1.00 15.37 ATOM 104 O ARG B 15 7.992 34.627 9.463 1.00 16.16 ATOM 105 CB ARG B 15 8.889 34.689 12.192 1.00 17.27 ATOM 106 CG ARG B 15 9.867 33.513 12.308 1.00 18.95 ATOM 107 CD ARG B 15 9.284 32.504 13.249 1.00 21.38 ATOM 108 NE ARG B 15 10.172 31.383 13.475 1.00 23.78 ATOM 109 CZ ARG B 15 10.397 30.596 14.531 1.00 25.27 ATOM 110 NH1 ARG B 15 9.717 30.843 15.695 1.00 26.43 ATOM 111 NH2 ARG B 15 11.288 29.580 14.554 1.00 24.90 ATOM 112 N TYR B 16 10.244 34.665 9.070 1.00 14.01 ATOM 113 CA TYR B 16 10.184 33.968 7.771 1.00 13.32 ATOM 114 C TYR B 16 10.905 32.628 7.832 1.00 13.66 ATOM 115 O TYR B 16 10.909 31.847 6.832 1.00 14.32 ATOM 116 CB TYR B 16 10.852 34.876 6.713 1.00 11.73 ATOM 117 CG TYR B 16 10.014 36.068 6.396 1.00 11.72 ATOM 118 CD1 TYR B 16 8.873 35.929 5.627 1.00 11.51 ATOM 119 CD2 TYR B 16 10.362 37.354 6.843 1.00 11.29 ATOM 120 CE1 TYR B 16 8.083 37.056 5.328 1.00 11.96 ATOM 121 CE2 TYR B 16 9.616 38.458 6.516 1.00 11.77 ATOM 122 CZ TYR B 16 8.448 38.301 5.765 1.00 12.45 ATOM 123 OH TYR B 16 7.660 39.370 5.433 1.00 13.57 ATOM 124 N GLY B 17 11.541 32.280 8.945 1.00 12.92 ATOM 125 CA GLY B 17 12.274 31.039 9.025 1.00 11.97 ATOM 126 C GLY B 17 12.824 30.758 10.418 1.00 11.96 ATOM 127 O GLY B 17 12.371 31.341 11.408 1.00 11.94 ATOM 128 N THR B 18 13.775 29.855 10.449 1.00 11.80 ATOM 129 CA THR B 18 14.407 29.389 11.672 1.00 12.16 ATOM 130 C THR B 18 15.897 29.198 11.485 1.00 12.04 ATOM 131 O THR B 18 16.298 28.728 10.398 1.00 11.87 ATOM 132 CB THR B 18 13.865 27.942 12.051 1.00 12.79 ATOM 133 OG1 THR B 18 12.423 28.017 11.999 1.00 13.08 ATOM 134 CG2 THR B 18 14.272 27.396 13.427 1.00 13.00 ATOM 135 N CYS B 19 16.623 29.530 12.533 1.00 11.27 ATOM 136 CA CYS B 19 18.067 29.308 12.541 1.00 11.36 ATOM 137 C CYS B 19 18.290 28.219 13.617 1.00 12.05 ATOM 138 O CYS B 19 17.746 28.326 14.729 1.00 12.29 ATOM 139 CB CYS B 19 18.832 30.487 12.864 1.00 12.44 ATOM 140 SG CYS B 19 18.188 31.991 12.149 1.00 12.53 ATOM 141 N ILE B 20 18.977 27.199 13.227 1.00 11.61 ATOM 142 CA ILE B 20 19.231 26.060 14.092 1.00 12.39 ATOM 143 C ILE B 20 20.684 26.105 14.484 1.00 12.93 ATOM 144 O ILE B 20 21.527 26.026 13.602 1.00 12.27 ATOM 145 CB ILE B 20 18.842 24.729 13.340 1.00 12.13 ATOM 146 CG1 ILE B 20 17.358 24.878 12.879 1.00 12.22 ATOM 147 CG2 ILE B 20 18.962 23.498 14.240 1.00 11.92 ATOM 148 CD1 ILE B 20 17.078 23.679 11.958 1.00 12.90 ATOM 149 N TYR B 21 20.962 26.163 15.773 1.00 13.67 ATOM 150 CA TYR B 21 22.353 26.180 16.262 1.00 14.97 ATOM 151 C TYR B 21 22.384 25.339 17.570 1.00 16.19 ATOM 152 O TYR B 21 21.587 25.595 18.525 1.00 16.21 ATOM 153 CB TYR B 21 22.774 27.676 16.498 1.00 14.62 ATOM 154 CG TYR B 21 24.062 27.774 17.285 1.00 14.51 ATOM 155 CD1 TYR B 21 25.269 27.461 16.716 1.00 14.57 ATOM 156 CD2 TYR B 21 24.071 28.069 18.664 1.00 14.47 ATOM 157 CE1 TYR B 21 26.460 27.500 17.438 1.00 14.81 ATOM 158 CE2 TYR B 21 25.246 28.082 19.392 1.00 13.74 ATOM 159 CZ TYR B 21 26.442 27.800 18.809 1.00 14.89 ATOM 160 OH TYR B 21 27.682 27.823 19.414 1.00 15.35 ATOM 161 N GLN B 22 23.262 24.352 17.559 1.00 16.81 ATOM 162 CA GLN B 22 23.434 23.520 18.755 1.00 18.44 ATOM 163 C GLN B 22 22.155 23.161 19.481 1.00 18.32 ATOM 164 O GLN B 22 21.989 23.456 20.671 1.00 17.81 ATOM 165 CB GLN B 22 24.327 24.342 19.748 1.00 18.71 ATOM 166 CG GLN B 22 25.736 24.555 19.287 1.00 19.74 ATOM 167 CD GLN B 22 26.562 23.300 19.313 1.00 20.81 ATOM 168 OE1 GLN B 22 27.240 22.919 18.326 1.00 21.87 ATOM 169 NE2 GLN B 22 26.458 22.562 20.412 1.00 20.31 ATOM 170 N GLY B 23 21.232 22.562 18.798 1.00 18.54 ATOM 171 CA GLY B 23 19.948 22.127 19.324 1.00 18.92 ATOM 172 C GLY B 23 18.933 23.188 19.602 1.00 19.45 ATOM 173 O GLY B 23 17.758 22.912 19.925 1.00 20.23 ATOM 174 N ARG B 24 19.324 24.436 19.454 1.00 20.08 ATOM 175 CA ARG B 24 18.390 25.553 19.713 1.00 20.25 ATOM 176 C ARG B 24 17.805 26.050 18.383 1.00 19.29 ATOM 177 O ARG B 24 18.541 26.069 17.397 1.00 17.73 ATOM 178 CB ARG B 24 19.231 26.645 20.378 1.00 22.07 ATOM 179 CG ARG B 24 19.808 26.365 21.758 1.00 25.15 ATOM 180 CD ARG B 24 20.997 27.252 22.037 1.00 28.27 ATOM 181 NE ARG B 24 22.138 26.668 22.750 1.00 30.81 ATOM 182 CZ ARG B 24 22.238 26.371 24.045 1.00 32.70 ATOM 183 NH1 ARG B 24 21.316 26.585 25.014 1.00 33.57 ATOM 184 NH2 ARG B 24 23.353 25.805 24.541 1.00 33.51 ATOM 185 N LEU B 25 16.563 26.499 18.448 1.00 18.77 ATOM 186 CA LEU B 25 15.887 27.055 17.289 1.00 18.25 ATOM 187 C LEU B 25 15.651 28.539 17.516 1.00 18.41 ATOM 188 O LEU B 25 14.946 28.828 18.505 1.00 19.19 ATOM 189 CB LEU B 25 14.550 26.374 17.032 1.00 17.87 ATOM 190 CG LEU B 25 14.546 24.893 16.759 1.00 18.37 ATOM 191 CD1 LEU B 25 13.071 24.535 16.580 1.00 18.79 ATOM 192 CD2 LEU B 25 15.155 24.559 15.412 1.00 18.97 ATOM 193 N TRP B 26 16.189 29.419 16.717 1.00 16.77 ATOM 194 CA TRP B 26 15.993 30.850 16.742 1.00 15.80 ATOM 195 C TRP B 26 15.093 31.265 15.569 1.00 14.34 ATOM 196 O TRP B 26 15.003 30.613 14.506 1.00 13.50 ATOM 197 CB TRP B 26 17.369 31.483 16.596 1.00 18.20 ATOM 198 CG TRP B 26 18.261 31.074 17.733 1.00 21.02 ATOM 199 CD1 TRP B 26 17.850 30.740 19.012 1.00 21.97 ATOM 200 CD2 TRP B 26 19.680 30.993 17.721 1.00 21.75 ATOM 201 NE1 TRP B 26 18.963 30.445 19.787 1.00 22.66 ATOM 202 CE2 TRP B 26 20.093 30.598 19.013 1.00 22.28 ATOM 203 CE3 TRP B 26 20.627 31.236 16.722 1.00 22.33 ATOM 204 CZ2 TRP B 26 21.420 30.430 19.380 1.00 22.20 ATOM 205 CZ3 TRP B 26 21.964 31.053 17.053 1.00 23.02 ATOM 206 CH2 TRP B 26 22.343 30.672 18.367 1.00 23.03 ATOM 207 N ALA B 27 14.398 32.349 15.740 1.00 12.86 ATOM 208 CA ALA B 27 13.521 32.978 14.754 1.00 11.57 ATOM 209 C ALA B 27 14.427 33.661 13.715 1.00 11.43 ATOM 210 O ALA B 27 15.384 34.344 14.125 1.00 11.49 ATOM 211 CB ALA B 27 12.658 34.048 15.372 1.00 10.63 ATOM 212 N PHE B 28 14.050 33.439 12.445 1.00 11.01 ATOM 213 CA PHE B 28 14.788 34.086 11.337 1.00 10.99 ATOM 214 C PHE B 28 13.830 35.232 11.003 1.00 10.85 ATOM 215 O PHE B 28 12.753 34.889 10.542 1.00 12.24 ATOM 216 CB PHE B 28 15.065 33.209 10.143 1.00 10.62 ATOM 217 CG PHE B 28 15.979 33.862 9.136 1.00 10.62 ATOM 218 CD1 PHE B 28 17.247 34.330 9.561 1.00 10.95 ATOM 219 CD2 PHE B 28 15.584 33.966 7.812 1.00 10.65 ATOM 220 CE1 PHE B 28 18.142 34.950 8.677 1.00 10.89 ATOM 221 CE2 PHE B 28 16.503 34.583 6.902 1.00 10.40 ATOM 222 CZ PHE B 28 17.757 35.050 7.319 1.00 10.19 ATOM 223 N CYS B 29 14.141 36.442 11.246 1.00 11.29 ATOM 224 CA CYS B 29 13.326 37.618 11.090 1.00 12.22 ATOM 225 C CYS B 29 13.812 38.639 10.057 1.00 12.50 ATOM 226 O CYS B 29 14.994 39.010 10.178 1.00 12.43 ATOM 227 CB CYS B 29 13.461 38.387 12.453 1.00 12.46 ATOM 228 SG CYS B 29 12.919 37.304 13.818 1.00 13.00 ATOM 229 N CYS B 30 12.835 39.079 9.281 1.00 13.23 ATOM 230 CA CYS B 30 13.212 40.091 8.257 1.00 14.50 ATOM 231 C CYS B 30 12.393 41.343 8.458 1.00 15.11 ATOM 232 O CYS B 30 11.255 41.240 8.910 1.00 15.11 ATOM 233 CB CYS B 30 13.080 39.503 6.836 1.00 15.40 ATOM 234 SG CYS B 30 13.907 37.919 6.597 1.00 15.77 ATOM 235 OXT CYS B 30 12.943 42.410 8.178 1.00 16.76 TER