HEADER SIGNALING PROTEIN 17-DEC-14 4XBM TITLE X-ray crystal structure of Notch ligand Delta-like 1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: Delta-like protein 1; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.20 ANGSTORMS DBREF 4XBM B 21 545 UNP O00548 DLL1_HUMAN 21 545 SEQRES 1 B 32 ILE CYS LEU PRO GLY CYS ASP GLU GLN HIS GLY PHE CYS SEQRES 2 B 32 ASP LYS PRO GLY GLU CYS LYS CYS ARG VAL GLY TRP GLN SEQRES 3 B 32 GLY ARG TYR CYS ASP GLU ATOM 1 N ILE B 225 9.079 -14.109 0.483 1.00 71.76 ATOM 2 CA ILE B 225 8.266 -14.302 -0.709 1.00 74.16 ATOM 3 C ILE B 225 9.027 -15.127 -1.736 1.00 84.39 ATOM 4 O ILE B 225 10.064 -14.698 -2.241 1.00 79.91 ATOM 5 CB ILE B 225 7.851 -12.962 -1.337 1.00 63.71 ATOM 6 CG1 ILE B 225 7.017 -12.148 -0.346 1.00 68.88 ATOM 7 CG2 ILE B 225 7.075 -13.196 -2.623 1.00 69.28 ATOM 8 CD1 ILE B 225 6.561 -10.807 -0.886 1.00 88.93 ATOM 9 N CYS B 226 8.502 -16.308 -2.041 1.00 89.70 ATOM 10 CA CYS B 226 9.148 -17.236 -2.963 1.00 86.57 ATOM 11 C CYS B 226 9.310 -16.661 -4.371 1.00 94.65 ATOM 12 O CYS B 226 8.611 -15.721 -4.751 1.00101.77 ATOM 13 CB CYS B 226 8.350 -18.540 -3.022 1.00 73.24 ATOM 14 SG CYS B 226 9.099 -19.946 -2.160 1.00125.79 ATOM 15 N LEU B 227 10.242 -17.236 -5.129 1.00 86.79 ATOM 16 CA LEU B 227 10.500 -16.846 -6.514 1.00 80.92 ATOM 17 C LEU B 227 9.229 -16.930 -7.359 1.00 90.13 ATOM 18 O LEU B 227 8.458 -17.877 -7.227 1.00 88.17 ATOM 19 CB LEU B 227 11.602 -17.734 -7.107 1.00 79.09 ATOM 20 CG LEU B 227 12.106 -17.489 -8.531 1.00 79.39 ATOM 21 CD1 LEU B 227 13.598 -17.761 -8.612 1.00 83.64 ATOM 22 CD2 LEU B 227 11.364 -18.361 -9.530 1.00 77.53 ATOM 23 N PRO B 228 9.001 -15.927 -8.221 1.00 93.23 ATOM 24 CA PRO B 228 7.800 -15.875 -9.064 1.00 88.30 ATOM 25 C PRO B 228 7.637 -17.104 -9.952 1.00 89.08 ATOM 26 O PRO B 228 8.520 -17.404 -10.755 1.00 93.98 ATOM 27 CB PRO B 228 8.025 -14.623 -9.916 1.00 97.49 ATOM 28 CG PRO B 228 8.933 -13.770 -9.094 1.00103.82 ATOM 29 CD PRO B 228 9.838 -14.725 -8.376 1.00 91.89 ATOM 30 N GLY B 229 6.516 -17.803 -9.803 1.00 83.96 ATOM 31 CA GLY B 229 6.234 -18.971 -10.614 1.00 86.21 ATOM 32 C GLY B 229 6.505 -20.270 -9.882 1.00 84.47 ATOM 33 O GLY B 229 6.057 -21.332 -10.311 1.00 83.16 ATOM 34 N CYS B 230 7.248 -20.179 -8.780 1.00 88.00 ATOM 35 CA CYS B 230 7.573 -21.341 -7.958 1.00 79.33 ATOM 36 C CYS B 230 6.291 -22.013 -7.490 1.00 74.09 ATOM 37 O CYS B 230 5.364 -21.339 -7.038 1.00 87.50 ATOM 38 CB CYS B 230 8.437 -20.931 -6.763 1.00 85.44 ATOM 39 SG CYS B 230 9.158 -22.283 -5.799 1.00 98.94 ATOM 40 N ASP B 231 6.241 -23.336 -7.615 1.00 71.45 ATOM 41 CA ASP B 231 5.030 -24.099 -7.336 1.00 72.14 ATOM 42 C ASP B 231 4.519 -23.850 -5.926 1.00 77.61 ATOM 43 O ASP B 231 5.294 -23.783 -4.973 1.00 86.03 ATOM 44 CB ASP B 231 5.275 -25.594 -7.545 1.00 81.21 ATOM 45 CG ASP B 231 3.996 -26.406 -7.487 1.00 85.88 ATOM 46 OD1 ASP B 231 3.577 -26.772 -6.370 1.00 88.55 ATOM 47 OD2 ASP B 231 3.410 -26.676 -8.558 1.00 82.95 ATOM 48 N GLU B 232 3.205 -23.708 -5.809 1.00 77.12 ATOM 49 CA GLU B 232 2.569 -23.415 -4.535 1.00 81.13 ATOM 50 C GLU B 232 2.780 -24.534 -3.523 1.00 80.70 ATOM 51 O GLU B 232 3.262 -24.303 -2.414 1.00 78.00 ATOM 52 CB GLU B 232 1.074 -23.177 -4.737 1.00104.64 ATOM 53 CG GLU B 232 0.323 -22.871 -3.455 1.00129.62 ATOM 54 CD GLU B 232 -1.179 -22.867 -3.652 1.00144.12 ATOM 55 OE1 GLU B 232 -1.872 -22.091 -2.962 1.00139.35 ATOM 56 OE2 GLU B 232 -1.667 -23.647 -4.496 1.00142.87 ATOM 57 N GLN B 233 2.419 -25.750 -3.917 1.00 85.35 ATOM 58 CA GLN B 233 2.447 -26.886 -3.008 1.00 83.59 ATOM 59 C GLN B 233 3.819 -27.542 -2.923 1.00 76.43 ATOM 60 O GLN B 233 4.261 -27.935 -1.846 1.00 78.45 ATOM 61 CB GLN B 233 1.414 -27.924 -3.440 1.00 71.46 ATOM 62 CG GLN B 233 0.127 -27.328 -3.972 1.00 92.08 ATOM 63 CD GLN B 233 -0.817 -28.386 -4.494 1.00100.57 ATOM 64 OE1 GLN B 233 -0.889 -29.488 -3.952 1.00102.11 ATOM 65 NE2 GLN B 233 -1.539 -28.063 -5.560 1.00101.99 ATOM 66 N HIS B 234 4.490 -27.658 -4.064 1.00 77.19 ATOM 67 CA HIS B 234 5.700 -28.465 -4.151 1.00 71.70 ATOM 68 C HIS B 234 6.981 -27.640 -4.074 1.00 66.75 ATOM 69 O HIS B 234 8.053 -28.116 -4.442 1.00 66.78 ATOM 70 CB HIS B 234 5.683 -29.278 -5.445 1.00 66.97 ATOM 71 CG HIS B 234 4.388 -29.989 -5.690 1.00 74.44 ATOM 72 ND1 HIS B 234 3.528 -29.641 -6.709 1.00 83.29 ATOM 73 CD2 HIS B 234 3.801 -31.018 -5.037 1.00 69.39 ATOM 74 CE1 HIS B 234 2.471 -30.431 -6.680 1.00 83.59 ATOM 75 NE2 HIS B 234 2.611 -31.277 -5.675 1.00 71.02 ATOM 76 N GLY B 235 6.870 -26.407 -3.594 1.00 75.96 ATOM 77 CA GLY B 235 8.028 -25.541 -3.470 1.00 80.57 ATOM 78 C GLY B 235 8.003 -24.708 -2.204 1.00 79.67 ATOM 79 O GLY B 235 6.935 -24.367 -1.698 1.00 87.09 ATOM 80 N PHE B 236 9.185 -24.385 -1.689 1.00 67.72 ATOM 81 CA PHE B 236 9.296 -23.553 -0.497 1.00 77.39 ATOM 82 C PHE B 236 10.533 -22.662 -0.573 1.00 67.68 ATOM 83 O PHE B 236 11.302 -22.736 -1.533 1.00 58.70 ATOM 84 CB PHE B 236 9.333 -24.418 0.765 1.00 81.60 ATOM 85 CG PHE B 236 10.575 -25.251 0.896 1.00 65.26 ATOM 86 CD1 PHE B 236 10.672 -26.478 0.264 1.00 67.71 ATOM 87 CD2 PHE B 236 11.645 -24.808 1.658 1.00 65.58 ATOM 88 CE1 PHE B 236 11.815 -27.245 0.385 1.00 74.96 ATOM 89 CE2 PHE B 236 12.790 -25.570 1.783 1.00 66.27 ATOM 90 CZ PHE B 236 12.875 -26.790 1.146 1.00 74.02 ATOM 91 N CYS B 237 10.725 -21.826 0.443 1.00 74.82 ATOM 92 CA CYS B 237 11.799 -20.839 0.422 1.00 73.78 ATOM 93 C CYS B 237 12.487 -20.669 1.774 1.00 75.23 ATOM 94 O CYS B 237 11.847 -20.742 2.823 1.00 88.52 ATOM 95 CB CYS B 237 11.254 -19.486 -0.054 1.00 70.90 ATOM 96 SG CYS B 237 11.029 -19.380 -1.847 1.00116.78 ATOM 97 N ASP B 238 13.798 -20.450 1.732 1.00 71.35 ATOM 98 CA ASP B 238 14.563 -20.067 2.915 1.00 79.79 ATOM 99 C ASP B 238 14.918 -18.590 2.815 1.00 82.45 ATOM 100 O ASP B 238 14.684 -17.816 3.741 1.00 86.57 ATOM 101 CB ASP B 238 15.832 -20.910 3.055 1.00 97.64 ATOM 102 CG ASP B 238 15.539 -22.365 3.369 1.00109.18 ATOM 103 OD1 ASP B 238 14.522 -22.641 4.040 1.00 94.98 ATOM 104 OD2 ASP B 238 16.328 -23.236 2.946 1.00116.74 ATOM 105 N LYS B 239 15.492 -18.215 1.677 1.00 84.90 ATOM 106 CA LYS B 239 15.778 -16.824 1.365 1.00 70.89 ATOM 107 C LYS B 239 14.810 -16.364 0.274 1.00 80.01 ATOM 108 O LYS B 239 14.359 -17.182 -0.527 1.00 87.37 ATOM 109 CB LYS B 239 17.238 -16.661 0.926 1.00 85.58 ATOM 110 CG LYS B 239 18.248 -17.074 1.989 1.00 90.77 ATOM 111 CD LYS B 239 19.681 -16.885 1.513 1.00113.86 ATOM 112 CE LYS B 239 19.966 -17.716 0.273 1.00110.98 ATOM 113 NZ LYS B 239 21.386 -17.613 -0.162 1.00 93.54 ATOM 114 N PRO B 240 14.474 -15.061 0.250 1.00 78.32 ATOM 115 CA PRO B 240 13.484 -14.489 -0.676 1.00 81.10 ATOM 116 C PRO B 240 13.662 -14.882 -2.144 1.00 78.44 ATOM 117 O PRO B 240 12.681 -15.221 -2.803 1.00 82.89 ATOM 118 CB PRO B 240 13.689 -12.982 -0.504 1.00 78.96 ATOM 119 CG PRO B 240 14.140 -12.840 0.895 1.00 74.61 ATOM 120 CD PRO B 240 14.993 -14.045 1.183 1.00 74.59 ATOM 121 N GLY B 241 14.891 -14.842 -2.647 1.00 69.99 ATOM 122 CA GLY B 241 15.134 -15.091 -4.056 1.00101.98 ATOM 123 C GLY B 241 14.918 -16.526 -4.504 1.00 90.42 ATOM 124 O GLY B 241 14.550 -16.771 -5.652 1.00 88.41 ATOM 125 N GLU B 242 15.129 -17.472 -3.595 1.00 91.05 ATOM 126 CA GLU B 242 15.188 -18.891 -3.948 1.00 83.84 ATOM 127 C GLU B 242 13.850 -19.521 -4.330 1.00 72.67 ATOM 128 O GLU B 242 12.813 -18.859 -4.346 1.00 66.65 ATOM 129 CB GLU B 242 15.784 -19.685 -2.784 1.00 68.88 ATOM 130 CG GLU B 242 17.217 -19.318 -2.445 1.00 97.38 ATOM 131 CD GLU B 242 17.720 -20.040 -1.210 1.00108.75 ATOM 132 OE1 GLU B 242 16.911 -20.275 -0.288 1.00 96.43 ATOM 133 OE2 GLU B 242 18.921 -20.379 -1.163 1.00130.05 ATOM 134 N CYS B 243 13.911 -20.812 -4.649 1.00 76.06 ATOM 135 CA CYS B 243 12.742 -21.665 -4.847 1.00 71.82 ATOM 136 C CYS B 243 13.190 -23.120 -4.759 1.00 63.68 ATOM 137 O CYS B 243 13.684 -23.690 -5.734 1.00 61.30 ATOM 138 CB CYS B 243 12.058 -21.390 -6.188 1.00 70.72 ATOM 139 SG CYS B 243 10.912 -22.689 -6.756 1.00101.63 ATOM 140 N LYS B 244 13.027 -23.707 -3.579 1.00 69.54 ATOM 141 CA LYS B 244 13.522 -25.054 -3.316 1.00 55.53 ATOM 142 C LYS B 244 12.424 -26.098 -3.432 1.00 66.33 ATOM 143 O LYS B 244 11.310 -25.908 -2.944 1.00 69.03 ATOM 144 CB LYS B 244 14.163 -25.116 -1.931 1.00 63.09 ATOM 145 CG LYS B 244 15.381 -24.225 -1.797 1.00 79.77 ATOM 146 CD LYS B 244 16.028 -24.354 -0.432 1.00 87.66 ATOM 147 CE LYS B 244 17.293 -23.517 -0.360 1.00 97.91 ATOM 148 NZ LYS B 244 17.963 -23.622 0.965 1.00 93.00 ATOM 149 N CYS B 245 12.753 -27.211 -4.077 1.00 73.02 ATOM 150 CA CYS B 245 11.772 -28.246 -4.360 1.00 67.32 ATOM 151 C CYS B 245 11.610 -29.219 -3.200 1.00 58.88 ATOM 152 O CYS B 245 12.569 -29.522 -2.488 1.00 55.90 ATOM 153 CB CYS B 245 12.163 -29.002 -5.632 1.00 49.81 ATOM 154 SG CYS B 245 12.332 -27.944 -7.085 1.00 97.42 ATOM 155 N ARG B 246 10.384 -29.695 -3.013 1.00 60.67 ATOM 156 CA ARG B 246 10.094 -30.696 -1.996 1.00 64.05 ATOM 157 C ARG B 246 10.411 -32.091 -2.522 1.00 62.85 ATOM 158 O ARG B 246 10.860 -32.245 -3.658 1.00 69.38 ATOM 159 CB ARG B 246 8.631 -30.617 -1.557 1.00 66.58 ATOM 160 CG ARG B 246 8.230 -29.269 -0.993 1.00 71.82 ATOM 161 CD ARG B 246 6.914 -29.350 -0.236 1.00 76.88 ATOM 162 NE ARG B 246 6.515 -28.045 0.279 1.00 93.71 ATOM 163 CZ ARG B 246 6.961 -27.523 1.417 1.00 84.70 ATOM 164 NH1 ARG B 246 7.822 -28.196 2.167 1.00 74.60 ATOM 165 NH2 ARG B 246 6.544 -26.324 1.805 1.00 76.46 ATOM 166 N VAL B 247 10.168 -33.102 -1.695 1.00 64.46 ATOM 167 CA VAL B 247 10.512 -34.476 -2.045 1.00 64.05 ATOM 168 C VAL B 247 9.730 -34.979 -3.254 1.00 66.46 ATOM 169 O VAL B 247 8.501 -34.928 -3.280 1.00 61.01 ATOM 170 CB VAL B 247 10.271 -35.430 -0.863 1.00 55.08 ATOM 171 CG1 VAL B 247 10.579 -36.863 -1.269 1.00 57.65 ATOM 172 CG2 VAL B 247 11.118 -35.015 0.329 1.00 63.10 ATOM 173 N GLY B 248 10.458 -35.460 -4.257 1.00 67.35 ATOM 174 CA GLY B 248 9.848 -36.014 -5.451 1.00 65.23 ATOM 175 C GLY B 248 9.540 -34.975 -6.510 1.00 61.98 ATOM 176 O GLY B 248 8.729 -35.212 -7.405 1.00 67.51 ATOM 177 N TRP B 249 10.187 -33.819 -6.413 1.00 53.94 ATOM 178 CA TRP B 249 9.968 -32.746 -7.374 1.00 53.63 ATOM 179 C TRP B 249 11.277 -32.047 -7.727 1.00 58.49 ATOM 180 O TRP B 249 12.220 -32.036 -6.934 1.00 55.13 ATOM 181 CB TRP B 249 8.949 -31.743 -6.826 1.00 55.33 ATOM 182 CG TRP B 249 7.573 -32.327 -6.681 1.00 55.37 ATOM 183 CD1 TRP B 249 7.067 -32.979 -5.594 1.00 58.32 ATOM 184 CD2 TRP B 249 6.531 -32.323 -7.666 1.00 60.76 ATOM 185 NE1 TRP B 249 5.775 -33.378 -5.839 1.00 61.78 ATOM 186 CE2 TRP B 249 5.422 -32.987 -7.104 1.00 63.53 ATOM 187 CE3 TRP B 249 6.428 -31.821 -8.967 1.00 60.27 ATOM 188 CZ2 TRP B 249 4.225 -33.160 -7.796 1.00 63.22 ATOM 189 CZ3 TRP B 249 5.239 -31.995 -9.653 1.00 61.84 ATOM 190 CH2 TRP B 249 4.154 -32.659 -9.066 1.00 61.51 ATOM 191 N GLN B 250 11.336 -31.479 -8.928 1.00 56.36 ATOM 192 CA GLN B 250 12.546 -30.822 -9.408 1.00 54.63 ATOM 193 C GLN B 250 12.225 -29.689 -10.377 1.00 59.52 ATOM 194 O GLN B 250 11.060 -29.414 -10.662 1.00 59.12 ATOM 195 CB GLN B 250 13.472 -31.836 -10.083 1.00 75.37 ATOM 196 CG GLN B 250 12.827 -32.598 -11.233 1.00 69.72 ATOM 197 CD GLN B 250 13.795 -33.535 -11.930 1.00 72.97 ATOM 198 OE1 GLN B 250 15.011 -33.418 -11.777 1.00 68.53 ATOM 199 NE2 GLN B 250 13.258 -34.475 -12.701 1.00 94.78 ATOM 200 N GLY B 251 13.268 -29.038 -10.883 1.00 69.05 ATOM 201 CA GLY B 251 13.104 -27.943 -11.821 1.00 73.20 ATOM 202 C GLY B 251 13.303 -26.589 -11.171 1.00 75.65 ATOM 203 O GLY B 251 13.565 -26.495 -9.972 1.00 78.06 ATOM 204 N ARG B 252 13.182 -25.534 -11.967 1.00 81.32 ATOM 205 CA ARG B 252 13.330 -24.179 -11.455 1.00 84.59 ATOM 206 C ARG B 252 12.154 -23.789 -10.571 1.00 89.29 ATOM 207 O ARG B 252 12.339 -23.241 -9.486 1.00 99.17 ATOM 208 CB ARG B 252 13.471 -23.182 -12.606 1.00 78.09 ATOM 209 CG ARG B 252 13.223 -21.739 -12.200 1.00 96.59 ATOM 210 CD ARG B 252 13.666 -20.772 -13.284 1.00 96.48 ATOM 211 NE ARG B 252 15.110 -20.830 -13.489 1.00110.67 ATOM 212 CZ ARG B 252 15.994 -20.145 -12.771 1.00112.08 ATOM 213 NH1 ARG B 252 15.580 -19.342 -11.800 1.00 95.26 ATOM 214 NH2 ARG B 252 17.290 -20.261 -13.023 1.00117.30 ATOM 215 N TYR B 253 10.944 -24.078 -11.041 1.00 80.87 ATOM 216 CA TYR B 253 9.733 -23.694 -10.323 1.00 82.36 ATOM 217 C TYR B 253 9.148 -24.856 -9.529 1.00 78.54 ATOM 218 O TYR B 253 8.076 -24.732 -8.936 1.00 75.18 ATOM 219 CB TYR B 253 8.689 -23.149 -11.298 1.00 82.39 ATOM 220 CG TYR B 253 9.251 -22.144 -12.274 1.00 93.86 ATOM 221 CD1 TYR B 253 9.517 -20.838 -11.884 1.00100.77 ATOM 222 CD2 TYR B 253 9.521 -22.505 -13.586 1.00100.23 ATOM 223 CE1 TYR B 253 10.035 -19.917 -12.777 1.00 99.07 ATOM 224 CE2 TYR B 253 10.037 -21.593 -14.485 1.00109.64 ATOM 225 CZ TYR B 253 10.292 -20.301 -14.076 1.00108.60 ATOM 226 OH TYR B 253 10.807 -19.388 -14.968 1.00124.65 ATOM 227 N CYS B 254 9.860 -25.980 -9.530 1.00 71.60 ATOM 228 CA CYS B 254 9.470 -27.168 -8.772 1.00 61.37 ATOM 229 C CYS B 254 8.088 -27.684 -9.172 1.00 69.17 ATOM 230 O CYS B 254 7.357 -28.235 -8.349 1.00 74.10 ATOM 231 CB CYS B 254 9.511 -26.875 -7.270 1.00 58.74 ATOM 232 SG CYS B 254 11.132 -26.354 -6.664 1.00 99.58 ATOM 233 N ASP B 255 7.741 -27.499 -10.442 1.00 70.07 ATOM 234 CA ASP B 255 6.476 -27.986 -10.982 1.00 73.71 ATOM 235 C ASP B 255 6.708 -29.244 -11.808 1.00 72.80 ATOM 236 O ASP B 255 5.807 -29.733 -12.489 1.00 75.12 ATOM 237 CB ASP B 255 5.809 -26.907 -11.835 1.00 85.01 ATOM 238 CG ASP B 255 6.733 -26.366 -12.909 1.00 91.39 ATOM 239 OD1 ASP B 255 7.959 -26.318 -12.670 1.00 71.11 ATOM 240 OD2 ASP B 255 6.237 -25.993 -13.993 1.00101.86 ATOM 241 N GLU B 256 7.929 -29.763 -11.735 1.00 74.42 ATOM 242 CA GLU B 256 8.347 -30.894 -12.554 1.00 75.89 ATOM 243 C GLU B 256 8.591 -32.133 -11.695 1.00 76.14 ATOM 244 O GLU B 256 9.414 -32.110 -10.780 1.00 69.38 ATOM 245 CB GLU B 256 9.606 -30.525 -13.342 1.00 81.14 ATOM 246 CG GLU B 256 10.135 -31.606 -14.266 1.00104.80 ATOM 247 CD GLU B 256 11.300 -31.119 -15.111 1.00118.92 ATOM 248 OE1 GLU B 256 11.246 -29.966 -15.591 1.00 96.54 ATOM 249 OE2 GLU B 256 12.271 -31.884 -15.288 1.00132.97 TER