HEADER HYDROLASE/DNA 31-DEC-69 7K33 TITLE Crystal structure of Endonuclease Q complex with 27-mer duplex TITLE 2 substrate with an abasic lesion 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. 3.11 ANGSTORMS DBREF 7K33 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 51.715 27.248 -27.603 1.00145.53 ATOM 2 CA THR A 247 51.610 26.621 -28.913 1.00123.02 ATOM 3 C THR A 247 52.156 25.201 -28.830 1.00129.84 ATOM 4 O THR A 247 53.318 24.998 -28.461 1.00135.85 ATOM 5 CB THR A 247 52.398 27.438 -29.934 1.00136.33 ATOM 6 OG1 THR A 247 51.837 28.754 -30.028 1.00126.22 ATOM 7 CG2 THR A 247 52.356 26.776 -31.299 1.00147.95 ATOM 8 N ALA A 248 51.320 24.222 -29.166 1.00133.78 ATOM 9 CA ALA A 248 51.715 22.823 -29.093 1.00132.08 ATOM 10 C ALA A 248 51.052 22.054 -30.227 1.00144.46 ATOM 11 O ALA A 248 50.229 22.591 -30.973 1.00126.18 ATOM 12 CB ALA A 248 51.371 22.211 -27.730 1.00122.03 ATOM 13 N CYS A 249 51.423 20.782 -30.348 1.00153.66 ATOM 14 CA CYS A 249 50.871 19.926 -31.386 1.00158.28 ATOM 15 C CYS A 249 49.488 19.425 -30.988 1.00148.33 ATOM 16 O CYS A 249 49.150 19.337 -29.804 1.00152.07 ATOM 17 CB CYS A 249 51.794 18.734 -31.645 1.00167.84 ATOM 18 SG CYS A 249 51.261 17.656 -33.001 1.00193.25 ATOM 19 N SER A 250 48.685 19.096 -31.997 1.00141.49 ATOM 20 CA SER A 250 47.334 18.599 -31.775 1.00132.73 ATOM 21 C SER A 250 47.277 17.092 -31.563 1.00121.78 ATOM 22 O SER A 250 46.216 16.575 -31.200 1.00120.78 ATOM 23 CB SER A 250 46.424 18.987 -32.944 1.00141.46 ATOM 24 OG SER A 250 46.374 20.394 -33.107 1.00160.58 ATOM 25 N ARG A 251 48.383 16.380 -31.780 1.00120.95 ATOM 26 CA ARG A 251 48.420 14.931 -31.607 1.00134.28 ATOM 27 C ARG A 251 49.356 14.516 -30.480 1.00144.72 ATOM 28 O ARG A 251 48.911 13.874 -29.523 1.00122.76 ATOM 29 CB ARG A 251 48.800 14.247 -32.928 1.00139.97 ATOM 30 CG ARG A 251 48.833 12.729 -32.860 1.00151.30 ATOM 31 CD ARG A 251 49.117 12.129 -34.228 1.00154.82 ATOM 32 NE ARG A 251 48.114 12.522 -35.210 1.00160.08 ATOM 33 CZ ARG A 251 48.151 12.193 -36.494 1.00169.76 ATOM 34 NH1 ARG A 251 49.136 11.463 -36.991 1.00167.79 ATOM 35 NH2 ARG A 251 47.177 12.606 -37.298 1.00178.01 ATOM 36 N CYS A 252 50.642 14.861 -30.562 1.00157.81 ATOM 37 CA CYS A 252 51.588 14.535 -29.503 1.00151.23 ATOM 38 C CYS A 252 51.586 15.549 -28.366 1.00154.05 ATOM 39 O CYS A 252 52.162 15.266 -27.310 1.00158.26 ATOM 40 CB CYS A 252 53.002 14.400 -30.075 1.00135.74 ATOM 41 SG CYS A 252 53.597 15.863 -30.955 1.00133.77 ATOM 42 N TYR A 253 50.964 16.713 -28.561 1.00161.43 ATOM 43 CA TYR A 253 50.845 17.742 -27.525 1.00161.47 ATOM 44 C TYR A 253 52.203 18.249 -27.043 1.00157.15 ATOM 45 O TYR A 253 52.346 18.674 -25.893 1.00158.91 ATOM 46 CB TYR A 253 49.963 17.292 -26.354 1.00162.39 ATOM 47 CG TYR A 253 48.538 16.978 -26.750 1.00167.91 ATOM 48 CD1 TYR A 253 47.581 17.982 -26.828 1.00171.60 ATOM 49 CD2 TYR A 253 48.149 15.678 -27.046 1.00171.73 ATOM 50 CE1 TYR A 253 46.277 17.699 -27.190 1.00165.91 ATOM 51 CE2 TYR A 253 46.847 15.387 -27.409 1.00171.78 ATOM 52 CZ TYR A 253 45.916 16.401 -27.479 1.00165.78 ATOM 53 OH TYR A 253 44.619 16.117 -27.840 1.00167.46 ATOM 54 N THR A 254 53.208 18.213 -27.914 1.00154.46 ATOM 55 CA THR A 254 54.525 18.731 -27.574 1.00139.91 ATOM 56 C THR A 254 54.542 20.241 -27.772 1.00128.61 ATOM 57 O THR A 254 54.154 20.740 -28.833 1.00116.73 ATOM 58 CB THR A 254 55.588 18.079 -28.457 1.00151.32 ATOM 59 OG1 THR A 254 55.558 16.658 -28.274 1.00150.60 ATOM 60 CG2 THR A 254 56.973 18.601 -28.100 1.00154.99 ATOM 61 N LYS A 255 54.987 20.967 -26.750 1.00133.48 ATOM 62 CA LYS A 255 55.017 22.421 -26.808 1.00150.23 ATOM 63 C LYS A 255 56.172 22.886 -27.686 1.00170.63 ATOM 64 O LYS A 255 57.317 22.467 -27.495 1.00204.83 ATOM 65 CB LYS A 255 55.169 23.000 -25.403 1.00160.70 ATOM 66 CG LYS A 255 54.078 22.581 -24.432 1.00164.05 ATOM 67 CD LYS A 255 54.261 23.251 -23.079 1.00166.85 ATOM 68 CE LYS A 255 55.624 22.935 -22.484 1.00164.74 ATOM 69 NZ LYS A 255 55.831 23.616 -21.176 1.00154.46 ATOM 70 N TYR A 256 55.867 23.752 -28.650 1.00158.74 ATOM 71 CA TYR A 256 56.870 24.349 -29.519 1.00166.49 ATOM 72 C TYR A 256 56.755 25.863 -29.446 1.00151.72 ATOM 73 O TYR A 256 55.648 26.408 -29.397 1.00117.82 ATOM 74 CB TYR A 256 56.685 23.912 -30.979 1.00173.53 ATOM 75 CG TYR A 256 56.752 22.418 -31.207 1.00185.09 ATOM 76 CD1 TYR A 256 57.972 21.755 -31.246 1.00187.05 ATOM 77 CD2 TYR A 256 55.596 21.675 -31.402 1.00185.09 ATOM 78 CE1 TYR A 256 58.036 20.390 -31.461 1.00181.50 ATOM 79 CE2 TYR A 256 55.650 20.312 -31.618 1.00184.77 ATOM 80 CZ TYR A 256 56.871 19.674 -31.646 1.00173.83 ATOM 81 OH TYR A 256 56.924 18.316 -31.862 1.00154.33 ATOM 82 N THR A 257 57.901 26.538 -29.441 1.00164.99 ATOM 83 CA THR A 257 57.905 27.991 -29.457 1.00153.36 ATOM 84 C THR A 257 57.391 28.502 -30.799 1.00145.01 ATOM 85 O THR A 257 57.336 27.774 -31.793 1.00162.44 ATOM 86 CB THR A 257 59.319 28.521 -29.218 1.00145.95 ATOM 87 OG1 THR A 257 60.166 28.136 -30.308 1.00128.70 ATOM 88 CG2 THR A 257 59.887 27.961 -27.922 1.00143.68 ATOM 89 N LEU A 258 57.005 29.780 -30.816 1.00123.29 ATOM 90 CA LEU A 258 56.535 30.387 -32.058 1.00111.68 ATOM 91 C LEU A 258 57.633 30.395 -33.114 1.00121.89 ATOM 92 O LEU A 258 57.366 30.174 -34.302 1.00118.87 ATOM 93 CB LEU A 258 56.026 31.803 -31.791 1.00107.14 ATOM 94 CG LEU A 258 55.427 32.541 -32.990 1.00123.95 ATOM 95 CD1 LEU A 258 54.280 31.742 -33.590 1.00102.81 ATOM 96 CD2 LEU A 258 54.963 33.932 -32.590 1.00126.09 ATOM 97 N GLN A 259 58.878 30.635 -32.697 1.00128.23 ATOM 98 CA GLN A 259 59.997 30.595 -33.633 1.00157.79 ATOM 99 C GLN A 259 60.171 29.196 -34.210 1.00154.42 ATOM 100 O GLN A 259 60.288 29.023 -35.430 1.00149.31 ATOM 101 CB GLN A 259 61.276 31.053 -32.931 1.00184.11 ATOM 102 CG GLN A 259 61.115 32.331 -32.125 1.00205.78 ATOM 103 CD GLN A 259 60.646 33.500 -32.968 1.00223.24 ATOM 104 OE1 GLN A 259 59.766 34.259 -32.562 1.00230.22 ATOM 105 NE2 GLN A 259 61.236 33.654 -34.148 1.00220.11 ATOM 106 N ASP A 260 60.186 28.180 -33.344 1.00145.91 ATOM 107 CA ASP A 260 60.277 26.805 -33.822 1.00156.80 ATOM 108 C ASP A 260 59.047 26.411 -34.628 1.00150.47 ATOM 109 O ASP A 260 59.151 25.612 -35.565 1.00137.45 ATOM 110 CB ASP A 260 60.483 25.848 -32.647 1.00165.81 ATOM 111 CG ASP A 260 61.811 26.061 -31.948 1.00186.61 ATOM 112 OD1 ASP A 260 62.799 26.396 -32.635 1.00188.93 ATOM 113 OD2 ASP A 260 61.867 25.896 -30.711 1.00190.23 ATOM 114 N ALA A 261 57.880 26.965 -34.290 1.00144.22 ATOM 115 CA ALA A 261 56.676 26.692 -35.068 1.00136.12 ATOM 116 C ALA A 261 56.825 27.198 -36.498 1.00136.95 ATOM 117 O ALA A 261 56.555 26.469 -37.460 1.00144.93 ATOM 118 CB ALA A 261 55.462 27.330 -34.393 1.00139.83 ATOM 119 N VAL A 262 57.260 28.450 -36.655 1.00133.83 ATOM 120 CA VAL A 262 57.474 28.996 -37.993 1.00148.57 ATOM 121 C VAL A 262 58.590 28.251 -38.715 1.00150.16 ATOM 122 O VAL A 262 58.531 28.061 -39.937 1.00148.50 ATOM 123 CB VAL A 262 57.727 30.517 -37.926 1.00167.91 ATOM 124 CG1 VAL A 262 57.933 31.090 -39.320 1.00185.82 ATOM 125 CG2 VAL A 262 56.569 31.215 -37.230 1.00150.57 ATOM 126 N SER A 263 59.612 27.804 -37.980 1.00152.85 ATOM 127 CA SER A 263 60.706 27.066 -38.604 1.00177.23 ATOM 128 C SER A 263 60.226 25.729 -39.156 1.00177.31 ATOM 129 O SER A 263 60.549 25.361 -40.292 1.00191.89 ATOM 130 CB SER A 263 61.841 26.863 -37.599 1.00193.14 ATOM 131 OG SER A 263 62.919 26.152 -38.182 1.00206.86 ATOM 132 N LEU A 264 59.452 24.986 -38.367 1.00157.30 ATOM 133 CA LEU A 264 58.905 23.707 -38.801 1.00163.50 ATOM 134 C LEU A 264 57.691 23.855 -39.710 1.00158.26 ATOM 135 O LEU A 264 57.186 22.842 -40.205 1.00166.84 ATOM 136 CB LEU A 264 58.551 22.834 -37.592 1.00157.87 ATOM 137 CG LEU A 264 59.665 21.978 -36.977 1.00167.62 ATOM 138 CD1 LEU A 264 60.296 21.078 -38.032 1.00166.24 ATOM 139 CD2 LEU A 264 60.723 22.831 -36.289 1.00179.20 ATOM 140 N SER A 265 57.214 25.082 -39.933 1.00157.89 ATOM 141 CA SER A 265 56.084 25.344 -40.829 1.00175.17 ATOM 142 C SER A 265 54.814 24.636 -40.360 1.00164.53 ATOM 143 O SER A 265 54.041 24.110 -41.164 1.00157.16 ATOM 144 CB SER A 265 56.408 25.024 -42.292 1.00180.30 ATOM 145 OG SER A 265 56.600 23.634 -42.489 1.00182.64 ATOM 146 N TRP A 266 54.605 24.623 -39.043 1.00154.49 ATOM 147 CA TRP A 266 53.429 24.008 -38.425 1.00147.80 ATOM 148 C TRP A 266 53.338 22.511 -38.714 1.00141.62 ATOM 149 O TRP A 266 52.245 21.942 -38.763 1.00124.02 ATOM 150 CB TRP A 266 52.132 24.737 -38.790 1.00145.07 ATOM 151 CG TRP A 266 52.230 26.221 -38.629 1.00160.05 ATOM 152 CD1 TRP A 266 52.412 27.142 -39.618 1.00185.25 ATOM 153 CD2 TRP A 266 52.166 26.958 -37.402 1.00156.18 ATOM 154 NE1 TRP A 266 52.458 28.407 -39.085 1.00188.81 ATOM 155 CE2 TRP A 266 52.310 28.321 -37.726 1.00167.68 ATOM 156 CE3 TRP A 266 51.998 26.598 -36.061 1.00154.91 ATOM 157 CZ2 TRP A 266 52.291 29.325 -36.760 1.00159.07 ATOM 158 CZ3 TRP A 266 51.978 27.595 -35.104 1.00151.95 ATOM 159 CH2 TRP A 266 52.125 28.942 -35.457 1.00150.30 ATOM 160 N LYS A 267 54.486 21.865 -38.902 1.00145.43 ATOM 161 CA LYS A 267 54.563 20.427 -39.123 1.00160.97 ATOM 162 C LYS A 267 55.333 19.816 -37.963 1.00178.57 ATOM 163 O LYS A 267 56.509 20.135 -37.760 1.00204.62 ATOM 164 CB LYS A 267 55.269 20.117 -40.444 1.00174.99 ATOM 165 CG LYS A 267 54.777 20.941 -41.623 1.00197.03 ATOM 166 CD LYS A 267 53.284 20.766 -41.848 1.00200.86 ATOM 167 CE LYS A 267 52.802 21.626 -43.005 1.00193.86 ATOM 168 NZ LYS A 267 51.335 21.497 -43.225 1.00187.82 ATOM 169 N CYS A 268 54.673 18.950 -37.206 1.00160.64 ATOM 170 CA CYS A 268 55.314 18.333 -36.051 1.00153.79 ATOM 171 C CYS A 268 56.434 17.409 -36.515 1.00152.70 ATOM 172 O CYS A 268 56.198 16.527 -37.350 1.00169.05 ATOM 173 CB CYS A 268 54.289 17.540 -35.249 1.00178.51 ATOM 174 SG CYS A 268 54.983 16.671 -33.830 1.00189.81 ATOM 175 N PRO A 269 57.656 17.573 -36.006 1.00159.79 ATOM 176 CA PRO A 269 58.765 16.721 -36.458 1.00181.81 ATOM 177 C PRO A 269 58.668 15.288 -35.954 1.00193.02 ATOM 178 O PRO A 269 58.638 14.347 -36.753 1.00191.89 ATOM 179 CB PRO A 269 60.006 17.435 -35.906 1.00174.90 ATOM 180 CG PRO A 269 59.505 18.209 -34.731 1.00164.97 ATOM 181 CD PRO A 269 58.098 18.615 -35.062 1.00154.48 ATOM 182 N LYS A 270 58.619 15.109 -34.635 1.00196.84 ATOM 183 CA LYS A 270 58.593 13.779 -34.024 1.00206.86 ATOM 184 C LYS A 270 57.180 13.266 -33.778 1.00186.18 ATOM 185 O LYS A 270 56.925 12.590 -32.776 1.00184.66 ATOM 186 CB LYS A 270 59.416 13.767 -32.739 1.00220.68 ATOM 187 CG LYS A 270 59.013 14.817 -31.711 1.00210.04 ATOM 188 CD LYS A 270 59.928 16.031 -31.765 1.00202.74 ATOM 189 CE LYS A 270 59.594 17.025 -30.664 1.00184.95 ATOM 190 NZ LYS A 270 59.689 16.412 -29.310 1.00173.59 ATOM 191 N CYS A 271 56.243 13.564 -34.678 1.00170.41 ATOM 192 CA CYS A 271 54.867 13.106 -34.535 1.00175.38 ATOM 193 C CYS A 271 54.118 13.226 -35.853 1.00161.93 ATOM 194 O CYS A 271 53.379 12.316 -36.243 1.00157.66 ATOM 195 CB CYS A 271 54.137 13.920 -33.465 1.00181.55 ATOM 196 SG CYS A 271 52.330 13.816 -33.562 1.00156.54 ATOM 197 N GLY A 272 54.302 14.346 -36.543 1.00158.22 ATOM 198 CA GLY A 272 53.536 14.640 -37.731 1.00155.13 ATOM 199 C GLY A 272 52.223 15.344 -37.481 1.00157.90 ATOM 200 O GLY A 272 51.435 15.498 -38.421 1.00147.59 ATOM 201 N GLY A 273 51.959 15.772 -36.247 1.00173.30 ATOM 202 CA GLY A 273 50.722 16.463 -35.954 1.00166.54 ATOM 203 C GLY A 273 50.700 17.873 -36.514 1.00147.29 ATOM 204 O GLY A 273 51.708 18.430 -36.950 1.00144.32 ATOM 205 N ILE A 274 49.506 18.459 -36.504 1.00138.35 ATOM 206 CA ILE A 274 49.309 19.836 -36.940 1.00152.16 ATOM 207 C ILE A 274 49.375 20.712 -35.693 1.00147.07 ATOM 208 O ILE A 274 48.387 20.869 -34.973 1.00144.48 ATOM 209 CB ILE A 274 47.992 20.013 -37.698 1.00158.86 ATOM 210 CG1 ILE A 274 47.964 19.111 -38.934 1.00186.65 ATOM 211 CG2 ILE A 274 47.800 21.469 -38.101 1.00139.14 ATOM 212 CD1 ILE A 274 46.705 19.249 -39.762 1.00191.50 ATOM 213 N ILE A 275 50.553 21.275 -35.432 1.00146.73 ATOM 214 CA ILE A 275 50.730 22.145 -34.277 1.00155.47 ATOM 215 C ILE A 275 49.945 23.433 -34.488 1.00140.60 ATOM 216 O ILE A 275 50.055 24.084 -35.536 1.00151.23 ATOM 217 CB ILE A 275 52.224 22.408 -34.029 1.00171.75 ATOM 218 CG1 ILE A 275 52.447 23.811 -33.461 1.00199.33 ATOM 219 CG2 ILE A 275 53.025 22.196 -35.303 1.00146.82 ATOM 220 CD1 ILE A 275 53.906 24.187 -33.339 1.00220.98 ATOM 221 N LYS A 276 49.136 23.798 -33.497 1.00115.47 ATOM 222 CA LYS A 276 48.276 24.969 -33.572 1.00116.40 ATOM 223 C LYS A 276 48.796 26.069 -32.656 1.00134.02 ATOM 224 O LYS A 276 49.299 25.797 -31.561 1.00145.20 ATOM 225 CB LYS A 276 46.832 24.618 -33.207 1.00100.68 ATOM 226 CG LYS A 276 46.089 23.893 -34.314 1.00 91.92 ATOM 227 CD LYS A 276 46.115 24.705 -35.600 1.00116.18 ATOM 228 CE LYS A 276 45.413 23.980 -36.736 1.00124.96 ATOM 229 NZ LYS A 276 45.474 24.757 -38.006 1.00123.01 ATOM 230 N LYS A 277 48.657 27.310 -33.113 1.00124.76 ATOM 231 CA LYS A 277 49.233 28.456 -32.420 1.00119.92 ATOM 232 C LYS A 277 48.454 28.749 -31.144 1.00108.09 ATOM 233 O LYS A 277 47.241 28.981 -31.186 1.00119.96 ATOM 234 CB LYS A 277 49.211 29.664 -33.354 1.00132.41 ATOM 235 CG LYS A 277 49.722 30.957 -32.746 1.00137.90 ATOM 236 CD LYS A 277 50.110 31.944 -33.839 1.00125.34 ATOM 237 CE LYS A 277 49.037 32.031 -34.916 1.00109.31 ATOM 238 NZ LYS A 277 49.448 32.906 -36.049 1.00 94.46 ATOM 239 ZN ZN A 52.892 16.007 -33.137 1.00187.47 TER