HEADER GENE REGULATION 31-DEC-69 6S9R TITLE Crystal structure of SSDP from D. melanogaster COMPND MOL_ID: 1; COMPND 2 MOLECULE: Sequence-specific single-stranded DNA-binding protein, COMPND 3 isoform A; COMPND 4 CHAIN: A, B; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.40 ANGSTORMS DBREF 6S9R A 1 86 UNP Q9VEB9 Q9VEB9_DROM 1 86 SEQRES 1 A 33 ALA GLN ALA ARG GLU LYS LEU ALA LEU TYR VAL TYR GLU SEQRES 2 A 33 TYR LEU LEU HIS VAL GLY ALA GLN LYS ALA ALA GLN THR SEQRES 3 A 33 PHE LEU SER GLU ILE ARG TRP ATOM 1 N ALA A 14 3.276 25.064 15.425 1.00120.53 ATOM 2 CA ALA A 14 4.252 24.152 16.121 1.00121.20 ATOM 3 C ALA A 14 4.975 23.187 15.147 1.00118.78 ATOM 4 O ALA A 14 6.210 23.082 15.233 1.00115.23 ATOM 5 CB ALA A 14 3.551 23.442 17.244 1.00124.58 ATOM 6 N GLN A 15 4.282 22.514 14.222 1.00126.03 ATOM 7 CA GLN A 15 4.907 21.856 13.025 1.00125.54 ATOM 8 C GLN A 15 5.153 22.914 11.938 1.00118.72 ATOM 9 O GLN A 15 5.894 22.649 10.988 1.00113.48 ATOM 10 CB GLN A 15 4.039 20.728 12.449 1.00135.91 ATOM 11 CG GLN A 15 4.347 19.345 13.038 1.00148.76 ATOM 12 CD GLN A 15 3.184 18.367 13.045 1.00161.00 ATOM 13 OE1 GLN A 15 2.142 18.595 13.664 1.00168.64 ATOM 14 NE2 GLN A 15 3.365 17.230 12.385 1.00159.45 ATOM 15 N ALA A 16 4.500 24.070 12.057 1.00117.55 ATOM 16 CA ALA A 16 4.755 25.277 11.246 1.00109.49 ATOM 17 C ALA A 16 6.158 25.806 11.563 1.00105.00 ATOM 18 O ALA A 16 6.864 26.240 10.650 1.00 94.55 ATOM 19 CB ALA A 16 3.710 26.308 11.578 1.00111.37 ATOM 20 N ARG A 17 6.514 25.797 12.847 1.00106.79 ATOM 21 CA ARG A 17 7.749 26.430 13.375 1.00105.14 ATOM 22 C ARG A 17 8.936 25.573 12.944 1.00103.23 ATOM 23 O ARG A 17 10.041 26.110 12.751 1.00111.79 ATOM 24 CB ARG A 17 7.685 26.569 14.903 1.00109.23 ATOM 25 CG ARG A 17 6.585 27.497 15.401 1.00114.46 ATOM 26 CD ARG A 17 6.284 27.325 16.874 1.00122.02 ATOM 27 NE ARG A 17 7.350 27.938 17.649 1.00127.52 ATOM 28 CZ ARG A 17 7.948 27.392 18.709 1.00132.67 ATOM 29 NH1 ARG A 17 7.584 26.194 19.144 1.00135.27 ATOM 30 NH2 ARG A 17 8.916 28.052 19.328 1.00130.92 ATOM 31 N GLU A 18 8.707 24.277 12.818 1.00104.49 ATOM 32 CA GLU A 18 9.778 23.305 12.530 1.00103.04 ATOM 33 C GLU A 18 10.119 23.397 11.032 1.00100.53 ATOM 34 O GLU A 18 11.324 23.407 10.690 1.00104.43 ATOM 35 CB GLU A 18 9.329 21.931 13.015 1.00107.15 ATOM 36 CG GLU A 18 10.313 20.838 12.669 1.00111.56 ATOM 37 CD GLU A 18 9.739 19.433 12.639 1.00115.64 ATOM 38 OE1 GLU A 18 9.727 18.806 11.531 1.00112.98 ATOM 39 OE2 GLU A 18 9.342 18.962 13.729 1.00119.45 ATOM 40 N LYS A 19 9.125 23.532 10.158 1.00 95.66 ATOM 41 CA LYS A 19 9.378 23.764 8.710 1.00 96.75 ATOM 42 C LYS A 19 10.083 25.121 8.456 1.00 92.73 ATOM 43 O LYS A 19 10.949 25.242 7.488 1.00 87.63 ATOM 44 CB LYS A 19 8.054 23.669 7.956 1.00 98.92 ATOM 45 CG LYS A 19 7.674 22.236 7.623 1.00105.96 ATOM 46 CD LYS A 19 8.313 21.748 6.322 1.00111.69 ATOM 47 CE LYS A 19 8.375 20.241 6.204 1.00114.69 ATOM 48 NZ LYS A 19 9.057 19.671 7.388 1.00116.05 ATOM 49 N LEU A 20 9.731 26.150 9.236 1.00 91.94 ATOM 50 CA LEU A 20 10.345 27.480 9.011 1.00 86.49 ATOM 51 C LEU A 20 11.859 27.351 9.269 1.00 83.96 ATOM 52 O LEU A 20 12.651 27.789 8.393 1.00 81.19 ATOM 53 CB LEU A 20 9.680 28.533 9.897 1.00 82.55 ATOM 54 CG LEU A 20 10.352 29.904 9.837 1.00 81.43 ATOM 55 CD1 LEU A 20 10.349 30.440 8.414 1.00 78.72 ATOM 56 CD2 LEU A 20 9.692 30.898 10.780 1.00 82.50 ATOM 57 N ALA A 21 12.222 26.702 10.382 1.00 83.04 ATOM 58 CA ALA A 21 13.613 26.419 10.820 1.00 82.96 ATOM 59 C ALA A 21 14.409 25.752 9.686 1.00 83.02 ATOM 60 O ALA A 21 15.529 26.220 9.336 1.00 85.08 ATOM 61 CB ALA A 21 13.580 25.563 12.057 1.00 82.33 ATOM 62 N LEU A 22 13.836 24.724 9.083 1.00 81.71 ATOM 63 CA LEU A 22 14.496 23.981 7.994 1.00 82.25 ATOM 64 C LEU A 22 14.791 24.927 6.845 1.00 79.56 ATOM 65 O LEU A 22 15.817 24.819 6.244 1.00 82.85 ATOM 66 CB LEU A 22 13.563 22.871 7.516 1.00 86.79 ATOM 67 CG LEU A 22 14.174 21.958 6.460 1.00 91.35 ATOM 68 CD1 LEU A 22 15.417 21.263 7.030 1.00 92.47 ATOM 69 CD2 LEU A 22 13.149 20.947 5.950 1.00 93.80 ATOM 70 N TYR A 23 13.853 25.792 6.517 1.00 82.30 ATOM 71 CA TYR A 23 13.866 26.579 5.266 1.00 80.25 ATOM 72 C TYR A 23 14.819 27.775 5.432 1.00 77.91 ATOM 73 O TYR A 23 15.435 28.267 4.424 1.00 74.45 ATOM 74 CB TYR A 23 12.415 26.912 4.951 1.00 81.13 ATOM 75 CG TYR A 23 11.749 25.745 4.293 1.00 85.59 ATOM 76 CD1 TYR A 23 12.438 25.012 3.338 1.00 87.43 ATOM 77 CD2 TYR A 23 10.459 25.369 4.599 1.00 87.70 ATOM 78 CE1 TYR A 23 11.877 23.922 2.708 1.00 90.19 ATOM 79 CE2 TYR A 23 9.878 24.284 3.959 1.00 92.61 ATOM 80 CZ TYR A 23 10.589 23.552 3.021 1.00 92.68 ATOM 81 OH TYR A 23 10.046 22.472 2.392 1.00 98.51 ATOM 82 N VAL A 24 14.886 28.208 6.683 1.00 73.44 ATOM 83 CA VAL A 24 15.857 29.220 7.137 1.00 78.34 ATOM 84 C VAL A 24 17.254 28.597 7.072 1.00 80.19 ATOM 85 O VAL A 24 18.134 29.257 6.527 1.00 81.96 ATOM 86 CB VAL A 24 15.505 29.735 8.543 1.00 79.18 ATOM 87 CG1 VAL A 24 16.678 30.435 9.193 1.00 78.32 ATOM 88 CG2 VAL A 24 14.308 30.665 8.499 1.00 79.46 ATOM 89 N TYR A 25 17.467 27.397 7.624 1.00 81.54 ATOM 90 CA TYR A 25 18.788 26.714 7.553 1.00 79.49 ATOM 91 C TYR A 25 19.167 26.587 6.060 1.00 78.23 ATOM 92 O TYR A 25 20.293 26.998 5.671 1.00 77.01 ATOM 93 CB TYR A 25 18.779 25.385 8.316 1.00 82.62 ATOM 94 CG TYR A 25 19.969 24.508 8.033 1.00 82.84 ATOM 95 CD1 TYR A 25 21.186 24.687 8.668 1.00 82.11 ATOM 96 CD2 TYR A 25 19.892 23.509 7.078 1.00 83.76 ATOM 97 CE1 TYR A 25 22.283 23.888 8.360 1.00 82.62 ATOM 98 CE2 TYR A 25 20.982 22.707 6.762 1.00 83.09 ATOM 99 CZ TYR A 25 22.184 22.886 7.406 1.00 80.52 ATOM 100 OH TYR A 25 23.227 22.084 7.051 1.00 79.05 ATOM 101 N GLU A 26 18.216 26.178 5.215 1.00 77.03 ATOM 102 CA GLU A 26 18.456 26.143 3.737 1.00 77.19 ATOM 103 C GLU A 26 18.841 27.550 3.217 1.00 77.61 ATOM 104 O GLU A 26 19.785 27.662 2.434 1.00 79.24 ATOM 105 CB GLU A 26 17.235 25.574 3.033 1.00 78.96 ATOM 106 CG GLU A 26 17.417 25.481 1.524 1.00 83.18 ATOM 107 CD GLU A 26 16.228 24.917 0.750 1.00 88.45 ATOM 108 OE1 GLU A 26 16.475 24.241 -0.273 1.00 96.71 ATOM 109 OE2 GLU A 26 15.074 25.174 1.139 1.00 89.88 ATOM 110 N TYR A 27 18.131 28.609 3.614 1.00 77.49 ATOM 111 CA TYR A 27 18.406 29.987 3.125 1.00 78.31 ATOM 112 C TYR A 27 19.891 30.306 3.375 1.00 79.25 ATOM 113 O TYR A 27 20.600 30.756 2.418 1.00 80.16 ATOM 114 CB TYR A 27 17.502 31.023 3.820 1.00 76.67 ATOM 115 CG TYR A 27 17.942 32.473 3.670 1.00 76.00 ATOM 116 CD1 TYR A 27 17.775 33.135 2.483 1.00 79.62 ATOM 117 CD2 TYR A 27 18.575 33.175 4.714 1.00 77.30 ATOM 118 CE1 TYR A 27 18.238 34.458 2.311 1.00 83.46 ATOM 119 CE2 TYR A 27 18.974 34.507 4.567 1.00 81.95 ATOM 120 CZ TYR A 27 18.831 35.163 3.354 1.00 83.17 ATOM 121 OH TYR A 27 19.143 36.508 3.176 1.00 87.18 ATOM 122 N LEU A 28 20.298 30.090 4.634 1.00 76.26 ATOM 123 CA LEU A 28 21.633 30.432 5.168 1.00 77.91 ATOM 124 C LEU A 28 22.692 29.707 4.350 1.00 80.56 ATOM 125 O LEU A 28 23.673 30.367 4.013 1.00 89.27 ATOM 126 CB LEU A 28 21.736 30.038 6.641 1.00 75.64 ATOM 127 CG LEU A 28 20.885 30.878 7.581 1.00 74.25 ATOM 128 CD1 LEU A 28 20.988 30.382 9.015 1.00 75.10 ATOM 129 CD2 LEU A 28 21.249 32.353 7.507 1.00 75.61 ATOM 130 N LEU A 29 22.530 28.422 4.035 1.00 77.94 ATOM 131 CA LEU A 29 23.552 27.746 3.195 1.00 77.90 ATOM 132 C LEU A 29 23.565 28.381 1.805 1.00 77.57 ATOM 133 O LEU A 29 24.668 28.637 1.279 1.00 79.85 ATOM 134 CB LEU A 29 23.285 26.252 3.041 1.00 81.33 ATOM 135 CG LEU A 29 23.431 25.391 4.289 1.00 83.21 ATOM 136 CD1 LEU A 29 22.831 24.018 4.017 1.00 86.98 ATOM 137 CD2 LEU A 29 24.876 25.270 4.712 1.00 82.76 ATOM 138 N HIS A 30 22.403 28.583 1.189 1.00 75.01 ATOM 139 CA HIS A 30 22.390 29.041 -0.216 1.00 74.98 ATOM 140 C HIS A 30 22.826 30.511 -0.279 1.00 73.92 ATOM 141 O HIS A 30 23.353 30.895 -1.284 1.00 75.91 ATOM 142 CB HIS A 30 21.055 28.767 -0.885 1.00 76.87 ATOM 143 CG HIS A 30 20.751 27.332 -1.075 1.00 81.31 ATOM 144 ND1 HIS A 30 21.664 26.446 -1.563 1.00 85.01 ATOM 145 CD2 HIS A 30 19.612 26.641 -0.881 1.00 87.48 ATOM 146 CE1 HIS A 30 21.104 25.258 -1.645 1.00 86.66 ATOM 147 NE2 HIS A 30 19.851 25.351 -1.234 1.00 88.77 ATOM 148 N VAL A 31 22.686 31.310 0.769 1.00 73.96 ATOM 149 CA VAL A 31 23.108 32.745 0.680 1.00 75.44 ATOM 150 C VAL A 31 24.594 32.909 1.049 1.00 78.97 ATOM 151 O VAL A 31 25.004 34.057 1.049 1.00 77.19 ATOM 152 CB VAL A 31 22.225 33.652 1.556 1.00 75.90 ATOM 153 CG1 VAL A 31 22.704 35.103 1.583 1.00 75.84 ATOM 154 CG2 VAL A 31 20.769 33.561 1.140 1.00 76.58 ATOM 155 N GLY A 32 25.354 31.824 1.328 1.00 81.56 ATOM 156 CA GLY A 32 26.767 31.837 1.759 1.00 81.62 ATOM 157 C GLY A 32 26.980 32.162 3.243 1.00 85.91 ATOM 158 O GLY A 32 28.058 32.746 3.576 1.00 91.84 ATOM 159 N ALA A 33 26.033 31.790 4.099 1.00 82.80 ATOM 160 CA ALA A 33 26.190 31.989 5.555 1.00 81.13 ATOM 161 C ALA A 33 26.232 30.601 6.180 1.00 79.45 ATOM 162 O ALA A 33 25.532 30.356 7.157 1.00 78.30 ATOM 163 CB ALA A 33 25.059 32.807 6.106 1.00 77.85 ATOM 164 N GLN A 34 27.080 29.749 5.614 1.00 84.87 ATOM 165 CA GLN A 34 27.256 28.330 6.013 1.00 85.24 ATOM 166 C GLN A 34 27.677 28.211 7.480 1.00 82.67 ATOM 167 O GLN A 34 27.272 27.239 8.112 1.00 77.11 ATOM 168 CB GLN A 34 28.228 27.659 5.046 1.00 89.83 ATOM 169 CG GLN A 34 27.676 27.530 3.636 1.00 97.41 ATOM 170 CD GLN A 34 28.649 26.934 2.651 1.00107.19 ATOM 171 OE1 GLN A 34 29.860 27.005 2.820 1.00116.17 ATOM 172 NE2 GLN A 34 28.120 26.350 1.592 1.00111.15 ATOM 173 N LYS A 35 28.482 29.144 7.985 1.00 86.25 ATOM 174 CA LYS A 35 28.890 29.122 9.410 1.00 92.40 ATOM 175 C LYS A 35 27.643 29.314 10.272 1.00 86.98 ATOM 176 O LYS A 35 27.403 28.488 11.149 1.00 86.04 ATOM 177 CB LYS A 35 29.872 30.260 9.684 1.00100.82 ATOM 178 CG LYS A 35 31.227 30.143 9.004 1.00115.19 ATOM 179 CD LYS A 35 32.148 31.314 9.295 1.00129.45 ATOM 180 CE LYS A 35 33.511 31.200 8.643 1.00140.03 ATOM 181 NZ LYS A 35 34.366 32.376 8.937 1.00144.27 ATOM 182 N ALA A 36 26.893 30.384 10.022 1.00 86.38 ATOM 183 CA ALA A 36 25.658 30.667 10.784 1.00 86.97 ATOM 184 C ALA A 36 24.755 29.435 10.730 1.00 82.54 ATOM 185 O ALA A 36 24.258 29.017 11.779 1.00 78.51 ATOM 186 CB ALA A 36 24.982 31.874 10.197 1.00 86.03 ATOM 187 N ALA A 37 24.533 28.926 9.521 1.00 79.52 ATOM 188 CA ALA A 37 23.752 27.693 9.266 1.00 83.38 ATOM 189 C ALA A 37 24.146 26.618 10.285 1.00 86.88 ATOM 190 O ALA A 37 23.263 26.148 11.054 1.00 87.03 ATOM 191 CB ALA A 37 23.950 27.236 7.837 1.00 82.71 ATOM 192 N GLN A 38 25.424 26.249 10.338 1.00 90.19 ATOM 193 CA GLN A 38 25.826 25.167 11.266 1.00 93.77 ATOM 194 C GLN A 38 25.478 25.592 12.708 1.00 88.95 ATOM 195 O GLN A 38 24.916 24.741 13.468 1.00 89.46 ATOM 196 CB GLN A 38 27.303 24.857 11.115 1.00 99.20 ATOM 197 CG GLN A 38 27.764 23.796 12.091 1.00108.79 ATOM 198 CD GLN A 38 29.263 23.806 12.191 1.00115.84 ATOM 199 OE1 GLN A 38 29.939 24.519 11.457 1.00120.62 ATOM 200 NE2 GLN A 38 29.790 23.016 13.107 1.00124.52 ATOM 201 N THR A 39 25.834 26.826 13.088 1.00 82.80 ATOM 202 CA THR A 39 25.656 27.344 14.470 1.00 85.28 ATOM 203 C THR A 39 24.164 27.285 14.836 1.00 85.63 ATOM 204 O THR A 39 23.850 26.991 16.036 1.00 84.92 ATOM 205 CB THR A 39 26.199 28.774 14.633 1.00 85.70 ATOM 206 OG1 THR A 39 27.594 28.787 14.330 1.00 85.75 ATOM 207 CG2 THR A 39 25.983 29.339 16.025 1.00 83.74 ATOM 208 N PHE A 40 23.301 27.570 13.850 1.00 81.62 ATOM 209 CA PHE A 40 21.820 27.630 14.004 1.00 83.78 ATOM 210 C PHE A 40 21.318 26.274 14.522 1.00 84.12 ATOM 211 O PHE A 40 20.875 26.171 15.681 1.00 86.87 ATOM 212 CB PHE A 40 21.158 28.056 12.682 1.00 82.05 ATOM 213 CG PHE A 40 19.644 28.060 12.658 1.00 81.06 ATOM 214 CD1 PHE A 40 18.900 28.534 13.725 1.00 83.09 ATOM 215 CD2 PHE A 40 18.956 27.577 11.559 1.00 83.44 ATOM 216 CE1 PHE A 40 17.518 28.512 13.695 1.00 82.46 ATOM 217 CE2 PHE A 40 17.567 27.550 11.529 1.00 84.29 ATOM 218 CZ PHE A 40 16.853 28.024 12.594 1.00 84.49 ATOM 219 N LEU A 41 21.471 25.236 13.713 1.00 92.69 ATOM 220 CA LEU A 41 21.076 23.854 14.091 1.00 95.42 ATOM 221 C LEU A 41 21.526 23.540 15.512 1.00 93.92 ATOM 222 O LEU A 41 20.737 22.973 16.299 1.00 96.93 ATOM 223 CB LEU A 41 21.681 22.870 13.092 1.00 95.38 ATOM 224 CG LEU A 41 21.087 22.980 11.685 1.00 97.98 ATOM 225 CD1 LEU A 41 21.509 21.798 10.832 1.00100.00 ATOM 226 CD2 LEU A 41 19.562 23.101 11.708 1.00 96.58 ATOM 227 N SER A 42 22.740 23.923 15.847 1.00 95.92 ATOM 228 CA SER A 42 23.331 23.515 17.139 1.00 98.62 ATOM 229 C SER A 42 22.662 24.327 18.255 1.00 94.47 ATOM 230 O SER A 42 22.300 23.718 19.259 1.00 96.66 ATOM 231 CB SER A 42 24.843 23.564 17.112 1.00 98.59 ATOM 232 OG SER A 42 25.242 24.900 16.922 1.00101.11 ATOM 233 N GLU A 43 22.373 25.601 18.038 1.00 89.41 ATOM 234 CA GLU A 43 21.727 26.431 19.080 1.00 94.68 ATOM 235 C GLU A 43 20.278 26.002 19.392 1.00 96.74 ATOM 236 O GLU A 43 19.858 26.136 20.554 1.00100.24 ATOM 237 CB GLU A 43 21.742 27.894 18.641 1.00 99.35 ATOM 238 CG GLU A 43 23.083 28.547 18.922 1.00102.96 ATOM 239 CD GLU A 43 23.042 30.091 18.819 1.00107.65 ATOM 240 OE1 GLU A 43 23.107 30.747 19.910 1.00110.84 ATOM 241 OE2 GLU A 43 22.890 30.604 17.655 1.00110.07 ATOM 242 N ILE A 44 19.495 25.572 18.405 1.00 97.33 ATOM 243 CA ILE A 44 18.089 25.102 18.624 1.00 97.82 ATOM 244 C ILE A 44 18.113 23.608 18.941 1.00101.42 ATOM 245 O ILE A 44 17.029 23.031 19.125 1.00100.68 ATOM 246 CB ILE A 44 17.171 25.389 17.420 1.00 93.74 ATOM 247 CG1 ILE A 44 17.648 24.738 16.125 1.00 89.95 ATOM 248 CG2 ILE A 44 17.000 26.869 17.220 1.00 96.30 ATOM 249 CD1 ILE A 44 16.861 25.186 14.921 1.00 87.69 ATOM 250 N ARG A 45 19.301 23.004 18.963 1.00103.82 ATOM 251 CA ARG A 45 19.489 21.604 19.416 1.00109.91 ATOM 252 C ARG A 45 18.690 20.700 18.470 1.00106.46 ATOM 253 O ARG A 45 18.228 19.655 18.923 1.00114.87 ATOM 254 CB ARG A 45 19.064 21.434 20.887 1.00115.46 ATOM 255 CG ARG A 45 19.938 22.166 21.899 1.00122.43 ATOM 256 CD ARG A 45 19.456 21.887 23.318 1.00133.93 ATOM 257 NE ARG A 45 20.142 22.567 24.420 1.00143.71 ATOM 258 CZ ARG A 45 19.790 22.537 25.723 1.00149.57 ATOM 259 NH1 ARG A 45 18.694 21.914 26.136 1.00144.88 ATOM 260 NH2 ARG A 45 20.541 23.168 26.617 1.00150.84 ATOM 261 N TRP A 46 18.543 21.107 17.211 1.00100.03 ATOM 262 CA TRP A 46 17.845 20.345 16.148 1.00100.75 ATOM 263 C TRP A 46 18.410 18.931 16.037 1.00109.21 ATOM 264 O TRP A 46 19.634 18.839 16.087 1.00111.02 ATOM 265 CB TRP A 46 18.050 21.075 14.838 1.00 96.03 ATOM 266 CG TRP A 46 17.510 20.393 13.624 1.00 94.94 ATOM 267 CD1 TRP A 46 18.119 19.429 12.886 1.00 95.51 ATOM 268 CD2 TRP A 46 16.275 20.696 12.947 1.00 95.78 ATOM 269 NE1 TRP A 46 17.360 19.115 11.790 1.00 95.41 ATOM 270 CE2 TRP A 46 16.214 19.861 11.807 1.00 96.29 ATOM 271 CE3 TRP A 46 15.219 21.590 13.187 1.00 94.88 ATOM 272 CZ2 TRP A 46 15.134 19.884 10.913 1.00 96.90 ATOM 273 CZ3 TRP A 46 14.164 21.622 12.296 1.00 96.22 ATOM 274 CH2 TRP A 46 14.124 20.786 11.167 1.00 95.07 TER