HEADER DNA BINDING PROTEIN/PROTEIN BINDING 31-DEC-69 3SR2 TITLE Crystal Structure of Human XLF-XRCC4 Complex COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA repair protein XRCC4; COMPND 3 CHAIN: A, B, E, F; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.97 ANGSTORMS DBREF 3SR2 F 1 140 UNP Q13426 XRCC4_HUMAN 1 140 SEQRES 1 F 31 SER GLU ILE SER GLN GLU ALA ASP ASP MET ALA MET GLU SEQRES 2 F 31 LYS GLY LYS TYR VAL GLY GLU LEU ARG LYS ALA LEU LEU SEQRES 3 F 31 SER GLY ALA GLY PRO ATOM 1 N SER F 50 41.618 -45.940 29.443 1.00 80.00 ATOM 2 CA SER F 50 41.353 -45.107 28.274 1.00 80.00 ATOM 3 C SER F 50 42.244 -43.871 28.273 1.00 80.00 ATOM 4 O SER F 50 42.813 -43.498 27.244 1.00 80.00 ATOM 5 CB SER F 50 39.884 -44.674 28.255 1.00 80.00 ATOM 6 OG SER F 50 39.034 -45.703 28.733 1.00 80.00 ATOM 7 N GLU F 51 42.360 -43.243 29.439 1.00 80.00 ATOM 8 CA GLU F 51 43.130 -42.012 29.580 1.00 80.00 ATOM 9 C GLU F 51 44.599 -42.272 29.912 1.00 80.00 ATOM 10 O GLU F 51 45.424 -41.355 29.869 1.00 80.00 ATOM 11 CB GLU F 51 42.484 -41.103 30.624 1.00 80.00 ATOM 12 CG GLU F 51 41.128 -40.566 30.197 1.00 80.00 ATOM 13 CD GLU F 51 40.294 -40.094 31.369 1.00 80.00 ATOM 14 OE1 GLU F 51 40.478 -40.630 32.481 1.00 80.00 ATOM 15 OE2 GLU F 51 39.456 -39.188 31.180 1.00 80.00 ATOM 16 N ILE F 52 44.918 -43.522 30.241 1.00 80.00 ATOM 17 CA ILE F 52 46.305 -43.950 30.392 1.00 80.00 ATOM 18 C ILE F 52 46.953 -44.009 29.013 1.00 80.00 ATOM 19 O ILE F 52 48.004 -43.401 28.775 1.00 80.00 ATOM 20 CB ILE F 52 46.404 -45.337 31.058 1.00 80.00 ATOM 21 CG1 ILE F 52 45.752 -45.306 32.441 1.00 80.00 ATOM 22 CG2 ILE F 52 47.856 -45.784 31.156 1.00 80.00 ATOM 23 CD1 ILE F 52 45.766 -46.637 33.152 1.00 80.00 ATOM 24 N SER F 53 46.313 -44.738 28.103 1.00 80.00 ATOM 25 CA SER F 53 46.760 -44.781 26.714 1.00 80.00 ATOM 26 C SER F 53 46.546 -43.427 26.037 1.00 80.00 ATOM 27 O SER F 53 47.265 -43.072 25.100 1.00 80.00 ATOM 28 CB SER F 53 46.029 -45.882 25.937 1.00 80.00 ATOM 29 OG SER F 53 46.375 -47.172 26.412 1.00 80.00 ATOM 30 N GLN F 54 45.555 -42.677 26.518 1.00 80.00 ATOM 31 CA GLN F 54 45.253 -41.352 25.977 1.00 80.00 ATOM 32 C GLN F 54 46.374 -40.348 26.242 1.00 80.00 ATOM 33 O GLN F 54 46.844 -39.672 25.324 1.00 80.00 ATOM 34 CB GLN F 54 43.933 -40.824 26.545 1.00 80.00 ATOM 35 CG GLN F 54 43.660 -39.361 26.229 1.00 80.00 ATOM 36 CD GLN F 54 43.540 -39.091 24.739 1.00 80.00 ATOM 37 OE1 GLN F 54 43.283 -40.000 23.949 1.00 80.00 ATOM 38 NE2 GLN F 54 43.730 -37.836 24.349 1.00 80.00 ATOM 39 N GLU F 55 46.794 -40.249 27.499 1.00 80.00 ATOM 40 CA GLU F 55 47.892 -39.361 27.866 1.00 80.00 ATOM 41 C GLU F 55 49.212 -39.909 27.315 1.00 80.00 ATOM 42 O GLU F 55 50.113 -39.145 26.952 1.00 80.00 ATOM 43 CB GLU F 55 47.967 -39.198 29.387 1.00 80.00 ATOM 44 CG GLU F 55 48.513 -37.853 29.859 1.00 80.00 ATOM 45 CD GLU F 55 47.428 -36.803 30.028 1.00 80.00 ATOM 46 OE1 GLU F 55 46.236 -37.143 29.877 1.00 80.00 ATOM 47 OE2 GLU F 55 47.766 -35.637 30.318 1.00 80.00 ATOM 48 N ALA F 56 49.312 -41.236 27.248 1.00 80.00 ATOM 49 CA ALA F 56 50.494 -41.898 26.696 1.00 80.00 ATOM 50 C ALA F 56 50.704 -41.535 25.226 1.00 80.00 ATOM 51 O ALA F 56 51.837 -41.411 24.760 1.00 80.00 ATOM 52 CB ALA F 56 50.383 -43.407 26.861 1.00 80.00 ATOM 53 N ASP F 57 49.601 -41.371 24.503 1.00 80.00 ATOM 54 CA ASP F 57 49.648 -40.951 23.107 1.00 80.00 ATOM 55 C ASP F 57 49.856 -39.443 22.997 1.00 80.00 ATOM 56 O ASP F 57 50.553 -38.968 22.100 1.00 80.00 ATOM 57 CB ASP F 57 48.362 -41.359 22.385 1.00 80.00 ATOM 58 CG ASP F 57 48.598 -42.409 21.316 1.00 80.00 ATOM 59 OD1 ASP F 57 49.731 -42.928 21.224 1.00 80.00 ATOM 60 OD2 ASP F 57 47.645 -42.719 20.571 1.00 80.00 ATOM 61 N ASP F 58 49.245 -38.695 23.913 1.00 80.00 ATOM 62 CA ASP F 58 49.395 -37.243 23.946 1.00 80.00 ATOM 63 C ASP F 58 50.861 -36.841 24.085 1.00 80.00 ATOM 64 O ASP F 58 51.327 -35.930 23.401 1.00 80.00 ATOM 65 CB ASP F 58 48.571 -36.634 25.087 1.00 80.00 ATOM 66 CG ASP F 58 47.325 -35.917 24.595 1.00 80.00 ATOM 67 OD1 ASP F 58 46.743 -36.355 23.581 1.00 80.00 ATOM 68 OD2 ASP F 58 46.928 -34.912 25.225 1.00 80.00 ATOM 69 N MET F 59 51.585 -37.516 24.972 1.00 80.00 ATOM 70 CA MET F 59 53.004 -37.217 25.162 1.00 80.00 ATOM 71 C MET F 59 53.847 -37.775 24.021 1.00 80.00 ATOM 72 O MET F 59 54.894 -37.220 23.687 1.00 80.00 ATOM 73 CB MET F 59 53.511 -37.755 26.503 1.00 80.00 ATOM 74 CG MET F 59 53.011 -36.989 27.715 1.00 80.00 ATOM 75 SD MET F 59 54.301 -36.758 28.954 1.00 80.00 ATOM 76 CE MET F 59 55.221 -35.387 28.258 1.00 80.00 ATOM 77 N ALA F 60 53.373 -38.872 23.437 1.00 80.00 ATOM 78 CA ALA F 60 54.051 -39.559 22.338 1.00 80.00 ATOM 79 C ALA F 60 55.000 -40.645 22.832 1.00 80.00 ATOM 80 O ALA F 60 55.787 -41.190 22.060 1.00 80.00 ATOM 81 CB ALA F 60 54.779 -38.574 21.427 1.00 80.00 ATOM 82 N MET F 61 54.925 -40.953 24.121 1.00 80.00 ATOM 83 CA MET F 61 55.651 -42.091 24.666 1.00 80.00 ATOM 84 C MET F 61 54.849 -43.359 24.399 1.00 80.00 ATOM 85 O MET F 61 53.634 -43.298 24.203 1.00 80.00 ATOM 86 CB MET F 61 55.873 -41.925 26.173 1.00 80.00 ATOM 87 CG MET F 61 56.877 -40.849 26.551 1.00 80.00 ATOM 88 SD MET F 61 57.129 -40.717 28.332 1.00 80.00 ATOM 89 CE MET F 61 55.495 -40.217 28.866 1.00 80.00 ATOM 90 N GLU F 62 55.527 -44.503 24.378 1.00 80.00 ATOM 91 CA GLU F 62 54.836 -45.785 24.295 1.00 80.00 ATOM 92 C GLU F 62 53.902 -45.926 25.491 1.00 80.00 ATOM 93 O GLU F 62 54.037 -45.203 26.479 1.00 80.00 ATOM 94 CB GLU F 62 55.830 -46.948 24.296 1.00 80.00 ATOM 95 CG GLU F 62 56.679 -47.078 23.046 1.00 80.00 ATOM 96 CD GLU F 62 57.369 -48.426 22.968 1.00 80.00 ATOM 97 OE1 GLU F 62 56.664 -49.456 23.025 1.00 80.00 ATOM 98 OE2 GLU F 62 58.614 -48.458 22.862 1.00 80.00 ATOM 99 N LYS F 63 52.961 -46.858 25.407 1.00 80.00 ATOM 100 CA LYS F 63 52.063 -47.113 26.526 1.00 80.00 ATOM 101 C LYS F 63 52.818 -47.759 27.688 1.00 80.00 ATOM 102 O LYS F 63 52.360 -47.722 28.833 1.00 80.00 ATOM 103 CB LYS F 63 50.889 -47.994 26.091 1.00 80.00 ATOM 104 CG LYS F 63 49.532 -47.321 26.222 1.00 80.00 ATOM 105 CD LYS F 63 49.113 -47.159 27.679 1.00 80.00 ATOM 106 CE LYS F 63 48.661 -48.482 28.281 1.00 80.00 ATOM 107 NZ LYS F 63 47.637 -48.286 29.346 1.00 80.00 ATOM 108 N GLY F 64 53.982 -48.332 27.387 1.00 80.00 ATOM 109 CA GLY F 64 54.775 -49.045 28.377 1.00 80.00 ATOM 110 C GLY F 64 55.870 -48.229 29.047 1.00 80.00 ATOM 111 O GLY F 64 56.399 -48.622 30.088 1.00 80.00 ATOM 112 N LYS F 65 56.217 -47.097 28.446 1.00 80.00 ATOM 113 CA LYS F 65 57.196 -46.185 29.026 1.00 80.00 ATOM 114 C LYS F 65 56.475 -45.197 29.941 1.00 80.00 ATOM 115 O LYS F 65 56.975 -44.817 31.008 1.00 80.00 ATOM 116 CB LYS F 65 57.929 -45.447 27.909 1.00 80.00 ATOM 117 CG LYS F 65 59.085 -44.583 28.359 1.00 80.00 ATOM 118 CD LYS F 65 59.759 -43.965 27.150 1.00 80.00 ATOM 119 CE LYS F 65 60.989 -43.170 27.531 1.00 80.00 ATOM 120 NZ LYS F 65 61.635 -42.595 26.319 1.00 80.00 ATOM 121 N TYR F 66 55.283 -44.800 29.505 1.00 80.00 ATOM 122 CA TYR F 66 54.401 -43.928 30.270 1.00 80.00 ATOM 123 C TYR F 66 53.933 -44.631 31.543 1.00 80.00 ATOM 124 O TYR F 66 53.788 -44.008 32.601 1.00 80.00 ATOM 125 CB TYR F 66 53.205 -43.536 29.400 1.00 80.00 ATOM 126 CG TYR F 66 52.225 -42.596 30.055 1.00 80.00 ATOM 127 CD1 TYR F 66 52.522 -41.249 30.205 1.00 80.00 ATOM 128 CD2 TYR F 66 50.993 -43.050 30.504 1.00 80.00 ATOM 129 CE1 TYR F 66 51.627 -40.382 30.797 1.00 80.00 ATOM 130 CE2 TYR F 66 50.089 -42.191 31.096 1.00 80.00 ATOM 131 CZ TYR F 66 50.411 -40.857 31.240 1.00 80.00 ATOM 132 OH TYR F 66 49.517 -39.994 31.831 1.00 80.00 ATOM 133 N VAL F 67 53.706 -45.938 31.430 1.00 80.00 ATOM 134 CA VAL F 67 53.332 -46.765 32.572 1.00 80.00 ATOM 135 C VAL F 67 54.512 -46.957 33.533 1.00 80.00 ATOM 136 O VAL F 67 54.326 -47.058 34.750 1.00 80.00 ATOM 137 CB VAL F 67 52.755 -48.128 32.117 1.00 80.00 ATOM 138 CG1 VAL F 67 52.813 -49.147 33.242 1.00 80.00 ATOM 139 CG2 VAL F 67 51.326 -47.955 31.617 1.00 80.00 ATOM 140 N GLY F 68 55.725 -46.987 32.988 1.00 80.00 ATOM 141 CA GLY F 68 56.923 -47.044 33.810 1.00 80.00 ATOM 142 C GLY F 68 57.092 -45.778 34.634 1.00 80.00 ATOM 143 O GLY F 68 57.296 -45.828 35.858 1.00 80.00 ATOM 144 N GLU F 69 56.997 -44.634 33.960 1.00 80.00 ATOM 145 CA GLU F 69 57.090 -43.339 34.635 1.00 80.00 ATOM 146 C GLU F 69 55.960 -43.115 35.641 1.00 80.00 ATOM 147 O GLU F 69 56.145 -42.430 36.651 1.00 80.00 ATOM 148 CB GLU F 69 57.134 -42.193 33.619 1.00 80.00 ATOM 149 CG GLU F 69 58.540 -41.798 33.191 1.00 80.00 ATOM 150 CD GLU F 69 59.350 -41.186 34.323 1.00 80.00 ATOM 151 OE1 GLU F 69 59.063 -40.031 34.705 1.00 80.00 ATOM 152 OE2 GLU F 69 60.273 -41.861 34.827 1.00 80.00 ATOM 153 N LEU F 70 54.789 -43.684 35.364 1.00 80.00 ATOM 154 CA LEU F 70 53.693 -43.630 36.328 1.00 80.00 ATOM 155 C LEU F 70 53.766 -44.763 37.352 1.00 80.00 ATOM 156 O LEU F 70 52.885 -44.900 38.203 1.00 80.00 ATOM 157 CB LEU F 70 52.332 -43.611 35.632 1.00 80.00 ATOM 158 CG LEU F 70 51.729 -42.213 35.488 1.00 80.00 ATOM 159 CD1 LEU F 70 51.810 -41.740 34.049 1.00 80.00 ATOM 160 CD2 LEU F 70 50.292 -42.201 35.984 1.00 80.00 ATOM 161 N ARG F 71 54.813 -45.577 37.259 1.00 80.00 ATOM 162 CA ARG F 71 55.142 -46.513 38.328 1.00 80.00 ATOM 163 C ARG F 71 56.421 -46.079 39.042 1.00 80.00 ATOM 164 O ARG F 71 56.929 -46.780 39.918 1.00 80.00 ATOM 165 CB ARG F 71 55.257 -47.947 37.809 1.00 80.00 ATOM 166 CG ARG F 71 53.948 -48.720 37.872 1.00 80.00 ATOM 167 CD ARG F 71 54.191 -50.218 37.952 1.00 80.00 ATOM 168 NE ARG F 71 54.229 -50.854 36.638 1.00 80.00 ATOM 169 CZ ARG F 71 53.190 -51.461 36.073 1.00 80.00 ATOM 170 NH1 ARG F 71 52.026 -51.516 36.708 1.00 80.00 ATOM 171 NH2 ARG F 71 53.314 -52.016 34.876 1.00 80.00 ATOM 172 N LYS F 72 56.937 -44.918 38.651 1.00 80.00 ATOM 173 CA LYS F 72 58.023 -44.273 39.386 1.00 80.00 ATOM 174 C LYS F 72 57.588 -42.912 39.938 1.00 80.00 ATOM 175 O LYS F 72 58.336 -42.261 40.665 1.00 80.00 ATOM 176 CB LYS F 72 59.263 -44.115 38.499 1.00 80.00 ATOM 177 CG LYS F 72 59.969 -45.424 38.172 1.00 80.00 ATOM 178 CD LYS F 72 61.234 -45.199 37.352 1.00 80.00 ATOM 179 CE LYS F 72 60.917 -45.003 35.877 1.00 80.00 ATOM 180 NZ LYS F 72 62.151 -44.884 35.049 1.00 80.00 ATOM 181 N ALA F 73 56.373 -42.492 39.594 1.00 80.00 ATOM 182 CA ALA F 73 55.877 -41.177 39.993 1.00 80.00 ATOM 183 C ALA F 73 54.742 -41.244 41.011 1.00 80.00 ATOM 184 O ALA F 73 54.641 -40.387 41.885 1.00 80.00 ATOM 185 CB ALA F 73 55.443 -40.377 38.770 1.00 80.00 ATOM 186 N LEU F 74 53.886 -42.255 40.895 1.00 80.00 ATOM 187 CA LEU F 74 52.740 -42.381 41.794 1.00 80.00 ATOM 188 C LEU F 74 52.771 -43.665 42.627 1.00 80.00 ATOM 189 O LEU F 74 51.800 -43.999 43.310 1.00 80.00 ATOM 190 CB LEU F 74 51.425 -42.268 41.015 1.00 80.00 ATOM 191 CG LEU F 74 51.125 -40.900 40.393 1.00 80.00 ATOM 192 CD1 LEU F 74 49.866 -40.952 39.539 1.00 80.00 ATOM 193 CD2 LEU F 74 50.999 -39.831 41.468 1.00 80.00 ATOM 194 N LEU F 75 53.892 -44.377 42.566 1.00 80.00 ATOM 195 CA LEU F 75 54.101 -45.553 43.403 1.00 80.00 ATOM 196 C LEU F 75 55.419 -45.459 44.160 1.00 80.00 ATOM 197 O LEU F 75 56.013 -46.481 44.505 1.00 80.00 ATOM 198 CB LEU F 75 54.079 -46.836 42.572 1.00 80.00 ATOM 199 CG LEU F 75 52.715 -47.420 42.210 1.00 80.00 ATOM 200 CD1 LEU F 75 52.859 -48.907 41.939 1.00 80.00 ATOM 201 CD2 LEU F 75 51.715 -47.177 43.325 1.00 80.00 ATOM 202 N SER F 76 55.865 -44.232 44.418 1.00 80.00 ATOM 203 CA SER F 76 57.157 -43.982 45.057 1.00 80.00 ATOM 204 C SER F 76 58.220 -44.971 44.580 1.00 80.00 ATOM 205 O SER F 76 59.146 -45.311 45.322 1.00 80.00 ATOM 206 CB SER F 76 57.035 -44.021 46.582 1.00 80.00 ATOM 207 OG SER F 76 58.156 -43.410 47.198 1.00 80.00 ATOM 208 N GLY F 77 58.068 -45.429 43.339 1.00 80.00 ATOM 209 CA GLY F 77 59.021 -46.324 42.710 1.00 80.00 ATOM 210 C GLY F 77 60.037 -45.515 41.933 1.00 80.00 ATOM 211 O GLY F 77 60.614 -45.983 40.951 1.00 80.00 ATOM 212 N ALA F 78 60.240 -44.282 42.386 1.00 80.00 ATOM 213 CA ALA F 78 61.211 -43.373 41.794 1.00 80.00 ATOM 214 C ALA F 78 62.627 -43.731 42.229 1.00 80.00 ATOM 215 O ALA F 78 62.888 -43.941 43.416 1.00 80.00 ATOM 216 CB ALA F 78 60.892 -41.940 42.189 1.00 80.00 ATOM 217 N GLY F 79 63.537 -43.793 41.260 1.00 80.00 ATOM 218 CA GLY F 79 64.935 -44.066 41.538 1.00 80.00 ATOM 219 C GLY F 79 65.535 -43.074 42.517 1.00 80.00 ATOM 220 O GLY F 79 64.830 -42.215 43.054 1.00 80.00 ATOM 221 N PRO F 80 66.848 -43.187 42.762 1.00 80.00 ATOM 222 CA PRO F 80 67.522 -42.267 43.684 1.00 80.00 ATOM 223 C PRO F 80 67.699 -40.871 43.079 1.00 80.00 ATOM 224 O PRO F 80 68.128 -39.956 43.789 1.00 80.00 ATOM 225 CB PRO F 80 68.885 -42.935 43.905 1.00 80.00 ATOM 226 CG PRO F 80 69.122 -43.719 42.654 1.00 80.00 ATOM 227 CD PRO F 80 67.766 -44.201 42.210 1.00 80.00 TER