HEADER HYDROLASE/DNA 31-DEC-69 7K30 TITLE Crystal structure of Endonuclease Q complex with 27-mer duplex TITLE 2 substrate with dU at the active site COMPND MOL_ID: 1; COMPND 2 MOLECULE: Endonuclease Q; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.34 ANGSTORMS DBREF 7K30 A 1 400 UNP I6V2I0 I6V2I0_9EUR 1 400 SEQRES 1 A 31 THR ALA CYS SER ARG CYS TYR THR LYS TYR THR LEU GLN SEQRES 2 A 31 ASP ALA VAL SER LEU SER TRP LYS CYS PRO LYS CYS GLY SEQRES 3 A 31 GLY ILE ILE LYS LYS ATOM 1 N THR A 247 51.788 27.086 -27.706 1.00 56.25 ATOM 2 CA THR A 247 51.784 26.519 -29.048 1.00 56.19 ATOM 3 C THR A 247 52.296 25.088 -28.969 1.00 67.54 ATOM 4 O THR A 247 53.450 24.856 -28.593 1.00 72.18 ATOM 5 CB THR A 247 52.670 27.354 -29.970 1.00 59.65 ATOM 6 OG1 THR A 247 52.211 28.711 -29.978 1.00 55.09 ATOM 7 CG2 THR A 247 52.633 26.802 -31.387 1.00 55.15 ATOM 8 N ALA A 248 51.440 24.130 -29.316 1.00 60.17 ATOM 9 CA ALA A 248 51.799 22.726 -29.203 1.00 58.04 ATOM 10 C ALA A 248 51.155 21.945 -30.339 1.00 61.59 ATOM 11 O ALA A 248 50.327 22.464 -31.092 1.00 61.52 ATOM 12 CB ALA A 248 51.396 22.153 -27.839 1.00 83.89 ATOM 13 N CYS A 249 51.558 20.684 -30.455 1.00 69.18 ATOM 14 CA CYS A 249 51.007 19.791 -31.462 1.00 72.11 ATOM 15 C CYS A 249 49.608 19.341 -31.059 1.00 55.32 ATOM 16 O CYS A 249 49.302 19.175 -29.876 1.00 61.92 ATOM 17 CB CYS A 249 51.909 18.569 -31.628 1.00 87.51 ATOM 18 SG CYS A 249 51.228 17.256 -32.667 1.00102.35 ATOM 19 N SER A 250 48.755 19.143 -32.063 1.00 64.82 ATOM 20 CA SER A 250 47.380 18.725 -31.817 1.00 56.11 ATOM 21 C SER A 250 47.252 17.234 -31.535 1.00 58.67 ATOM 22 O SER A 250 46.175 16.792 -31.119 1.00 69.12 ATOM 23 CB SER A 250 46.494 19.092 -33.010 1.00 57.97 ATOM 24 OG SER A 250 46.600 20.470 -33.320 1.00 75.21 ATOM 25 N ARG A 251 48.311 16.455 -31.747 1.00 62.37 ATOM 26 CA ARG A 251 48.269 15.010 -31.567 1.00 78.39 ATOM 27 C ARG A 251 49.050 14.559 -30.338 1.00 83.57 ATOM 28 O ARG A 251 48.471 13.969 -29.422 1.00 79.23 ATOM 29 CB ARG A 251 48.773 14.297 -32.833 1.00 83.92 ATOM 30 CG ARG A 251 48.569 12.792 -32.810 1.00 81.12 ATOM 31 CD ARG A 251 49.208 12.105 -34.008 1.00 87.39 ATOM 32 NE ARG A 251 48.272 11.914 -35.114 1.00 95.13 ATOM 33 CZ ARG A 251 48.431 12.430 -36.329 1.00 92.81 ATOM 34 NH1 ARG A 251 49.497 13.167 -36.607 1.00 87.62 ATOM 35 NH2 ARG A 251 47.527 12.198 -37.272 1.00 87.83 ATOM 36 N CYS A 252 50.357 14.825 -30.290 1.00 87.13 ATOM 37 CA CYS A 252 51.181 14.429 -29.154 1.00 80.47 ATOM 38 C CYS A 252 51.304 15.514 -28.090 1.00 83.51 ATOM 39 O CYS A 252 51.896 15.258 -27.036 1.00 83.78 ATOM 40 CB CYS A 252 52.576 13.998 -29.622 1.00 70.08 ATOM 41 SG CYS A 252 53.548 15.307 -30.395 1.00 78.96 ATOM 42 N TYR A 253 50.776 16.711 -28.347 1.00 87.05 ATOM 43 CA TYR A 253 50.693 17.800 -27.375 1.00 80.70 ATOM 44 C TYR A 253 52.053 18.353 -26.958 1.00 76.79 ATOM 45 O TYR A 253 52.152 19.056 -25.947 1.00 88.96 ATOM 46 CB TYR A 253 49.838 17.428 -26.156 1.00 71.44 ATOM 47 CG TYR A 253 48.448 16.958 -26.528 1.00 67.24 ATOM 48 CD1 TYR A 253 47.658 17.693 -27.405 1.00 68.91 ATOM 49 CD2 TYR A 253 47.935 15.771 -26.022 1.00 66.84 ATOM 50 CE1 TYR A 253 46.390 17.266 -27.756 1.00 72.16 ATOM 51 CE2 TYR A 253 46.668 15.335 -26.368 1.00 64.89 ATOM 52 CZ TYR A 253 45.901 16.085 -27.235 1.00 69.85 ATOM 53 OH TYR A 253 44.641 15.655 -27.583 1.00 77.10 ATOM 54 N THR A 254 53.107 18.064 -27.718 1.00 68.31 ATOM 55 CA THR A 254 54.424 18.604 -27.409 1.00 66.82 ATOM 56 C THR A 254 54.469 20.087 -27.757 1.00 70.05 ATOM 57 O THR A 254 54.083 20.490 -28.859 1.00 76.30 ATOM 58 CB THR A 254 55.491 17.848 -28.199 1.00 66.21 ATOM 59 OG1 THR A 254 55.413 16.451 -27.890 1.00 72.68 ATOM 60 CG2 THR A 254 56.878 18.363 -27.847 1.00 64.70 ATOM 61 N LYS A 255 54.947 20.899 -26.819 1.00 67.15 ATOM 62 CA LYS A 255 54.920 22.344 -26.982 1.00 70.08 ATOM 63 C LYS A 255 56.118 22.825 -27.795 1.00 70.80 ATOM 64 O LYS A 255 57.219 22.271 -27.711 1.00 78.37 ATOM 65 CB LYS A 255 54.905 23.029 -25.615 1.00 74.91 ATOM 66 CG LYS A 255 53.745 22.590 -24.725 1.00 77.33 ATOM 67 CD LYS A 255 53.810 23.230 -23.343 1.00 87.38 ATOM 68 CE LYS A 255 55.069 22.821 -22.589 1.00 85.92 ATOM 69 NZ LYS A 255 55.150 23.469 -21.247 1.00 70.68 ATOM 70 N TYR A 256 55.886 23.865 -28.594 1.00 69.28 ATOM 71 CA TYR A 256 56.916 24.474 -29.423 1.00 63.12 ATOM 72 C TYR A 256 56.810 25.987 -29.313 1.00 70.64 ATOM 73 O TYR A 256 55.724 26.532 -29.097 1.00 79.54 ATOM 74 CB TYR A 256 56.754 24.097 -30.904 1.00 67.90 ATOM 75 CG TYR A 256 56.907 22.625 -31.202 1.00 70.90 ATOM 76 CD1 TYR A 256 58.152 22.082 -31.493 1.00 80.99 ATOM 77 CD2 TYR A 256 55.806 21.780 -31.205 1.00 72.24 ATOM 78 CE1 TYR A 256 58.297 20.736 -31.771 1.00 93.20 ATOM 79 CE2 TYR A 256 55.940 20.432 -31.482 1.00 87.29 ATOM 80 CZ TYR A 256 57.189 19.916 -31.764 1.00 97.00 ATOM 81 OH TYR A 256 57.326 18.576 -32.041 1.00104.70 ATOM 82 N THR A 257 57.946 26.662 -29.468 1.00 67.35 ATOM 83 CA THR A 257 57.934 28.114 -29.529 1.00 62.40 ATOM 84 C THR A 257 57.417 28.576 -30.887 1.00 67.75 ATOM 85 O THR A 257 57.352 27.808 -31.851 1.00 79.10 ATOM 86 CB THR A 257 59.332 28.680 -29.281 1.00 70.35 ATOM 87 OG1 THR A 257 60.258 28.107 -30.212 1.00 77.75 ATOM 88 CG2 THR A 257 59.788 28.373 -27.863 1.00 71.19 ATOM 89 N LEU A 258 57.043 29.856 -30.954 1.00 72.92 ATOM 90 CA LEU A 258 56.479 30.396 -32.187 1.00 56.83 ATOM 91 C LEU A 258 57.487 30.340 -33.328 1.00 76.49 ATOM 92 O LEU A 258 57.140 29.971 -34.455 1.00 77.07 ATOM 93 CB LEU A 258 55.987 31.826 -31.957 1.00 57.43 ATOM 94 CG LEU A 258 55.274 32.510 -33.126 1.00 55.90 ATOM 95 CD1 LEU A 258 54.230 31.588 -33.731 1.00 54.58 ATOM 96 CD2 LEU A 258 54.637 33.816 -32.670 1.00 53.18 ATOM 97 N GLN A 259 58.734 30.687 -33.016 1.00 88.23 ATOM 98 CA GLN A 259 59.833 30.636 -34.011 1.00 78.87 ATOM 99 C GLN A 259 60.000 29.187 -34.476 1.00 65.27 ATOM 100 O GLN A 259 60.005 28.950 -35.686 1.00 66.69 ATOM 101 CB GLN A 259 61.114 31.171 -33.379 1.00 77.29 ATOM 102 CG GLN A 259 60.944 32.547 -32.755 1.00 92.39 ATOM 103 CD GLN A 259 60.177 32.519 -31.455 1.00109.96 ATOM 104 OE1 GLN A 259 59.499 31.550 -31.131 1.00119.68 ATOM 105 NE2 GLN A 259 60.276 33.595 -30.692 1.00107.47 ATOM 106 N ASP A 260 60.073 28.254 -33.532 1.00 64.98 ATOM 107 CA ASP A 260 60.255 26.846 -33.868 1.00 77.09 ATOM 108 C ASP A 260 59.104 26.329 -34.720 1.00 79.38 ATOM 109 O ASP A 260 59.321 25.579 -35.677 1.00 70.46 ATOM 110 CB ASP A 260 60.403 26.008 -32.599 1.00 83.82 ATOM 111 CG ASP A 260 61.790 26.101 -31.998 1.00 92.52 ATOM 112 OD1 ASP A 260 62.775 26.085 -32.767 1.00 95.40 ATOM 113 OD2 ASP A 260 61.896 26.190 -30.756 1.00 92.17 ATOM 114 N ALA A 261 57.871 26.723 -34.391 1.00 73.63 ATOM 115 CA ALA A 261 56.725 26.296 -35.187 1.00 74.84 ATOM 116 C ALA A 261 56.778 26.882 -36.592 1.00 79.15 ATOM 117 O ALA A 261 56.468 26.192 -37.573 1.00 88.04 ATOM 118 CB ALA A 261 55.423 26.680 -34.486 1.00 76.52 ATOM 119 N VAL A 262 57.178 28.150 -36.712 1.00 74.15 ATOM 120 CA VAL A 262 57.298 28.770 -38.029 1.00 72.81 ATOM 121 C VAL A 262 58.353 28.057 -38.864 1.00 73.75 ATOM 122 O VAL A 262 58.140 27.772 -40.050 1.00 73.30 ATOM 123 CB VAL A 262 57.576 30.279 -37.896 1.00 73.09 ATOM 124 CG1 VAL A 262 58.013 30.861 -39.229 1.00 70.15 ATOM 125 CG2 VAL A 262 56.336 31.001 -37.386 1.00 62.79 ATOM 126 N SER A 263 59.502 27.741 -38.259 1.00 81.98 ATOM 127 CA SER A 263 60.553 27.043 -38.993 1.00 87.75 ATOM 128 C SER A 263 60.155 25.611 -39.330 1.00 80.29 ATOM 129 O SER A 263 60.579 25.079 -40.363 1.00 86.20 ATOM 130 CB SER A 263 61.861 27.068 -38.202 1.00104.18 ATOM 131 OG SER A 263 61.713 26.421 -36.951 1.00117.70 ATOM 132 N LEU A 264 59.349 24.973 -38.479 1.00 78.91 ATOM 133 CA LEU A 264 58.854 23.629 -38.742 1.00 80.95 ATOM 134 C LEU A 264 57.648 23.615 -39.668 1.00 75.09 ATOM 135 O LEU A 264 57.176 22.528 -40.021 1.00 82.30 ATOM 136 CB LEU A 264 58.483 22.938 -37.426 1.00 84.50 ATOM 137 CG LEU A 264 59.520 22.025 -36.765 1.00 85.03 ATOM 138 CD1 LEU A 264 59.849 20.851 -37.672 1.00 83.22 ATOM 139 CD2 LEU A 264 60.782 22.791 -36.396 1.00 91.00 ATOM 140 N SER A 265 57.132 24.785 -40.048 1.00 71.51 ATOM 141 CA SER A 265 55.983 24.891 -40.949 1.00 76.67 ATOM 142 C SER A 265 54.725 24.269 -40.350 1.00 85.55 ATOM 143 O SER A 265 53.849 23.791 -41.076 1.00 91.40 ATOM 144 CB SER A 265 56.279 24.341 -42.349 1.00 79.19 ATOM 145 OG SER A 265 57.408 24.977 -42.922 1.00 90.54 ATOM 146 N TRP A 266 54.649 24.258 -39.017 1.00 83.87 ATOM 147 CA TRP A 266 53.451 23.875 -38.270 1.00 71.99 ATOM 148 C TRP A 266 53.150 22.378 -38.334 1.00 82.58 ATOM 149 O TRP A 266 51.996 21.969 -38.188 1.00 85.21 ATOM 150 CB TRP A 266 52.225 24.712 -38.653 1.00 70.66 ATOM 151 CG TRP A 266 52.449 26.185 -38.503 1.00 74.33 ATOM 152 CD1 TRP A 266 52.805 27.065 -39.483 1.00 77.25 ATOM 153 CD2 TRP A 266 52.338 26.951 -37.296 1.00 72.54 ATOM 154 NE1 TRP A 266 52.919 28.332 -38.962 1.00 81.94 ATOM 155 CE2 TRP A 266 52.639 28.288 -37.622 1.00 77.46 ATOM 156 CE3 TRP A 266 52.013 26.635 -35.973 1.00 64.53 ATOM 157 CZ2 TRP A 266 52.624 29.309 -36.674 1.00 74.67 ATOM 158 CZ3 TRP A 266 52.000 27.649 -35.033 1.00 69.25 ATOM 159 CH2 TRP A 266 52.304 28.970 -35.389 1.00 68.72 ATOM 160 N LYS A 267 54.169 21.546 -38.542 1.00 87.42 ATOM 161 CA LYS A 267 54.030 20.099 -38.431 1.00 89.03 ATOM 162 C LYS A 267 55.018 19.571 -37.401 1.00 95.01 ATOM 163 O LYS A 267 56.213 19.879 -37.465 1.00 97.74 ATOM 164 CB LYS A 267 54.214 19.386 -39.775 1.00 87.93 ATOM 165 CG LYS A 267 54.013 17.886 -39.751 1.00 94.55 ATOM 166 CD LYS A 267 53.953 17.336 -41.167 1.00 94.87 ATOM 167 CE LYS A 267 55.312 17.380 -41.843 1.00100.42 ATOM 168 NZ LYS A 267 55.294 16.669 -43.152 1.00115.16 ATOM 169 N CYS A 268 54.515 18.784 -36.460 1.00 89.84 ATOM 170 CA CYS A 268 55.341 18.255 -35.382 1.00 86.47 ATOM 171 C CYS A 268 56.332 17.243 -35.942 1.00 87.87 ATOM 172 O CYS A 268 55.914 16.264 -36.573 1.00 85.06 ATOM 173 CB CYS A 268 54.446 17.592 -34.339 1.00 87.90 ATOM 174 SG CYS A 268 55.301 17.022 -32.849 1.00 87.68 ATOM 175 N PRO A 269 57.640 17.433 -35.743 1.00 87.93 ATOM 176 CA PRO A 269 58.615 16.473 -36.283 1.00 87.99 ATOM 177 C PRO A 269 58.624 15.128 -35.573 1.00 98.15 ATOM 178 O PRO A 269 59.203 14.175 -36.109 1.00111.89 ATOM 179 CB PRO A 269 59.954 17.199 -36.113 1.00 82.23 ATOM 180 CG PRO A 269 59.724 18.134 -34.971 1.00 79.14 ATOM 181 CD PRO A 269 58.293 18.580 -35.089 1.00 82.13 ATOM 182 N LYS A 270 58.009 15.014 -34.395 1.00 98.32 ATOM 183 CA LYS A 270 58.020 13.767 -33.640 1.00104.03 ATOM 184 C LYS A 270 56.745 12.946 -33.801 1.00 93.62 ATOM 185 O LYS A 270 56.710 11.797 -33.345 1.00 90.39 ATOM 186 CB LYS A 270 58.284 14.030 -32.150 1.00113.10 ATOM 187 CG LYS A 270 59.685 14.536 -31.835 1.00120.10 ATOM 188 CD LYS A 270 59.941 14.562 -30.333 1.00117.97 ATOM 189 CE LYS A 270 59.088 15.618 -29.644 1.00 96.09 ATOM 190 NZ LYS A 270 59.410 15.742 -28.192 1.00 91.64 ATOM 191 N CYS A 271 55.706 13.496 -34.425 1.00 94.71 ATOM 192 CA CYS A 271 54.495 12.722 -34.670 1.00 92.88 ATOM 193 C CYS A 271 53.768 13.109 -35.949 1.00 85.70 ATOM 194 O CYS A 271 52.722 12.518 -36.236 1.00 78.53 ATOM 195 CB CYS A 271 53.532 12.796 -33.466 1.00 97.84 ATOM 196 SG CYS A 271 52.380 14.198 -33.473 1.00 94.89 ATOM 197 N GLY A 272 54.269 14.069 -36.725 1.00 81.62 ATOM 198 CA GLY A 272 53.608 14.493 -37.941 1.00 86.13 ATOM 199 C GLY A 272 52.328 15.272 -37.744 1.00 87.83 ATOM 200 O GLY A 272 51.690 15.637 -38.738 1.00 93.90 ATOM 201 N GLY A 273 51.933 15.543 -36.503 1.00 82.75 ATOM 202 CA GLY A 273 50.693 16.245 -36.249 1.00 85.33 ATOM 203 C GLY A 273 50.778 17.722 -36.584 1.00 78.06 ATOM 204 O GLY A 273 51.846 18.290 -36.818 1.00 84.82 ATOM 205 N ILE A 274 49.610 18.355 -36.602 1.00 67.95 ATOM 206 CA ILE A 274 49.496 19.774 -36.920 1.00 60.51 ATOM 207 C ILE A 274 49.709 20.574 -35.641 1.00 67.88 ATOM 208 O ILE A 274 48.993 20.383 -34.652 1.00 65.70 ATOM 209 CB ILE A 274 48.131 20.092 -37.549 1.00 59.36 ATOM 210 CG1 ILE A 274 47.960 19.330 -38.865 1.00 66.78 ATOM 211 CG2 ILE A 274 47.983 21.591 -37.771 1.00 71.47 ATOM 212 CD1 ILE A 274 46.642 19.599 -39.558 1.00 69.50 ATOM 213 N ILE A 275 50.696 21.465 -35.659 1.00 66.84 ATOM 214 CA ILE A 275 50.963 22.332 -34.518 1.00 65.57 ATOM 215 C ILE A 275 49.983 23.497 -34.548 1.00 65.72 ATOM 216 O ILE A 275 49.769 24.118 -35.596 1.00 63.05 ATOM 217 CB ILE A 275 52.417 22.826 -34.543 1.00 66.06 ATOM 218 CG1 ILE A 275 53.383 21.640 -34.531 1.00 73.10 ATOM 219 CG2 ILE A 275 52.689 23.747 -33.367 1.00 61.24 ATOM 220 CD1 ILE A 275 54.837 22.038 -34.657 1.00 77.28 ATOM 221 N LYS A 276 49.380 23.793 -33.401 1.00 60.47 ATOM 222 CA LYS A 276 48.399 24.863 -33.288 1.00 59.31 ATOM 223 C LYS A 276 48.934 25.972 -32.394 1.00 67.50 ATOM 224 O LYS A 276 49.448 25.707 -31.302 1.00 64.60 ATOM 225 CB LYS A 276 47.061 24.334 -32.769 1.00 49.52 ATOM 226 CG LYS A 276 46.233 23.670 -33.857 1.00 53.76 ATOM 227 CD LYS A 276 46.120 24.591 -35.066 1.00 53.95 ATOM 228 CE LYS A 276 45.520 23.883 -36.264 1.00 62.46 ATOM 229 NZ LYS A 276 45.638 24.700 -37.503 1.00 65.68 ATOM 230 N LYS A 277 48.804 27.210 -32.865 1.00 71.70 ATOM 231 CA LYS A 277 49.371 28.360 -32.174 1.00 62.33 ATOM 232 C LYS A 277 48.572 28.668 -30.913 1.00 60.97 ATOM 233 O LYS A 277 47.338 28.710 -30.941 1.00 73.30 ATOM 234 CB LYS A 277 49.359 29.562 -33.117 1.00 55.11 ATOM 235 CG LYS A 277 49.961 30.833 -32.553 1.00 67.02 ATOM 236 CD LYS A 277 50.221 31.844 -33.661 1.00 66.44 ATOM 237 CE LYS A 277 48.957 32.147 -34.452 1.00 65.29 ATOM 238 NZ LYS A 277 49.240 32.981 -35.656 1.00 53.37 ATOM 239 ZN ZN A 502 53.189 16.072 -32.482 1.00 87.72 TER