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 A 21 545 UNP O00548 DLL1_HUMAN 21 545 SEQRES 1 A 32 ILE CYS LEU PRO GLY CYS ASP GLU GLN HIS GLY PHE CYS SEQRES 2 A 32 ASP LYS PRO GLY GLU CYS LYS CYS ARG VAL GLY TRP GLN SEQRES 3 A 32 GLY ARG TYR CYS ASP GLU ATOM 1 N ILE A 225 -1.051 7.188 67.213 1.00 81.55 ATOM 2 CA ILE A 225 -1.690 8.358 67.790 1.00 75.12 ATOM 3 C ILE A 225 -1.250 8.536 69.235 1.00 80.43 ATOM 4 O ILE A 225 -1.388 7.631 70.057 1.00 72.44 ATOM 5 CB ILE A 225 -3.224 8.262 67.728 1.00 66.32 ATOM 6 CG1 ILE A 225 -3.686 8.181 66.272 1.00 68.36 ATOM 7 CG2 ILE A 225 -3.862 9.451 68.427 1.00 53.50 ATOM 8 CD1 ILE A 225 -5.190 8.171 66.103 1.00 77.95 ATOM 9 N CYS A 226 -0.708 9.712 69.528 1.00 87.61 ATOM 10 CA CYS A 226 -0.265 10.049 70.870 1.00 77.24 ATOM 11 C CYS A 226 -1.439 10.191 71.837 1.00 75.45 ATOM 12 O CYS A 226 -2.561 10.493 71.426 1.00 70.29 ATOM 13 CB CYS A 226 0.551 11.342 70.839 1.00 81.83 ATOM 14 SG CYS A 226 2.298 11.124 70.447 1.00135.02 ATOM 15 N LEU A 227 -1.169 9.963 73.120 1.00 75.51 ATOM 16 CA LEU A 227 -2.163 10.133 74.173 1.00 64.95 ATOM 17 C LEU A 227 -2.718 11.553 74.172 1.00 64.98 ATOM 18 O LEU A 227 -1.953 12.511 74.237 1.00 72.86 ATOM 19 CB LEU A 227 -1.548 9.810 75.534 1.00 59.78 ATOM 20 CG LEU A 227 -2.452 9.987 76.751 1.00 61.64 ATOM 21 CD1 LEU A 227 -3.458 8.851 76.839 1.00 80.68 ATOM 22 CD2 LEU A 227 -1.625 10.083 78.020 1.00 63.91 ATOM 23 N PRO A 228 -4.052 11.694 74.086 1.00 53.17 ATOM 24 CA PRO A 228 -4.722 12.999 74.027 1.00 60.12 ATOM 25 C PRO A 228 -4.274 13.947 75.136 1.00 63.68 ATOM 26 O PRO A 228 -4.541 13.694 76.310 1.00 71.63 ATOM 27 CB PRO A 228 -6.199 12.638 74.185 1.00 73.55 ATOM 28 CG PRO A 228 -6.298 11.260 73.634 1.00 76.25 ATOM 29 CD PRO A 228 -5.013 10.579 74.010 1.00 56.64 ATOM 30 N GLY A 229 -3.588 15.020 74.754 1.00 64.84 ATOM 31 CA GLY A 229 -3.071 15.979 75.712 1.00 69.44 ATOM 32 C GLY A 229 -1.554 16.001 75.751 1.00 69.83 ATOM 33 O GLY A 229 -0.955 16.879 76.373 1.00 62.02 ATOM 34 N CYS A 230 -0.937 15.026 75.087 1.00 67.79 ATOM 35 CA CYS A 230 0.519 14.923 75.025 1.00 62.74 ATOM 36 C CYS A 230 1.111 16.160 74.361 1.00 71.09 ATOM 37 O CYS A 230 0.554 16.678 73.392 1.00 76.30 ATOM 38 CB CYS A 230 0.933 13.659 74.264 1.00 57.66 ATOM 39 SG CYS A 230 2.679 13.181 74.390 1.00 91.44 ATOM 40 N ASP A 231 2.234 16.636 74.891 1.00 73.75 ATOM 41 CA ASP A 231 2.878 17.832 74.361 1.00 75.59 ATOM 42 C ASP A 231 3.480 17.557 72.987 1.00 78.77 ATOM 43 O ASP A 231 4.121 16.529 72.773 1.00 78.32 ATOM 44 CB ASP A 231 3.957 18.337 75.324 1.00 78.45 ATOM 45 CG ASP A 231 4.296 19.806 75.111 1.00 85.28 ATOM 46 OD1 ASP A 231 4.191 20.290 73.964 1.00 87.50 ATOM 47 OD2 ASP A 231 4.662 20.480 76.096 1.00 79.54 ATOM 48 N GLU A 232 3.265 18.489 72.063 1.00 93.19 ATOM 49 CA GLU A 232 3.739 18.356 70.691 1.00 94.19 ATOM 50 C GLU A 232 5.264 18.374 70.614 1.00100.22 ATOM 51 O GLU A 232 5.875 17.515 69.977 1.00101.52 ATOM 52 CB GLU A 232 3.154 19.473 69.822 1.00103.78 ATOM 53 CG GLU A 232 3.567 19.416 68.360 1.00120.58 ATOM 54 CD GLU A 232 2.910 18.270 67.611 1.00133.37 ATOM 55 OE1 GLU A 232 1.890 17.742 68.099 1.00129.40 ATOM 56 OE2 GLU A 232 3.415 17.899 66.530 1.00138.33 ATOM 57 N GLN A 233 5.871 19.357 71.272 1.00103.10 ATOM 58 CA GLN A 233 7.317 19.547 71.220 1.00 91.53 ATOM 59 C GLN A 233 8.075 18.548 72.089 1.00 78.40 ATOM 60 O GLN A 233 9.030 17.917 71.637 1.00 71.28 ATOM 61 CB GLN A 233 7.677 20.974 71.649 1.00 88.27 ATOM 62 CG GLN A 233 7.008 22.069 70.829 1.00108.07 ATOM 63 CD GLN A 233 7.557 22.167 69.420 1.00126.27 ATOM 64 OE1 GLN A 233 8.724 22.505 69.218 1.00129.44 ATOM 65 NE2 GLN A 233 6.718 21.866 68.435 1.00115.10 ATOM 66 N HIS A 234 7.643 18.402 73.338 1.00 78.88 ATOM 67 CA HIS A 234 8.406 17.650 74.327 1.00 80.67 ATOM 68 C HIS A 234 7.882 16.231 74.542 1.00 79.94 ATOM 69 O HIS A 234 8.138 15.620 75.579 1.00 78.94 ATOM 70 CB HIS A 234 8.409 18.409 75.655 1.00 73.78 ATOM 71 CG HIS A 234 8.563 19.889 75.496 1.00 69.94 ATOM 72 ND1 HIS A 234 9.655 20.462 74.884 1.00 75.17 ATOM 73 CD2 HIS A 234 7.755 20.914 75.861 1.00 73.16 ATOM 74 CE1 HIS A 234 9.518 21.776 74.880 1.00 78.42 ATOM 75 NE2 HIS A 234 8.374 22.076 75.467 1.00 84.98 ATOM 76 N GLY A 235 7.158 15.708 73.559 1.00 82.79 ATOM 77 CA GLY A 235 6.609 14.369 73.658 1.00 81.32 ATOM 78 C GLY A 235 6.608 13.621 72.338 1.00 85.78 ATOM 79 O GLY A 235 6.414 14.214 71.277 1.00 87.57 ATOM 80 N PHE A 236 6.832 12.313 72.407 1.00 79.05 ATOM 81 CA PHE A 236 6.795 11.458 71.226 1.00 84.54 ATOM 82 C PHE A 236 6.144 10.120 71.567 1.00 84.19 ATOM 83 O PHE A 236 5.986 9.782 72.740 1.00 78.34 ATOM 84 CB PHE A 236 8.203 11.248 70.659 1.00 92.09 ATOM 85 CG PHE A 236 9.143 10.540 71.595 1.00 87.69 ATOM 86 CD1 PHE A 236 9.846 11.247 72.557 1.00 89.24 ATOM 87 CD2 PHE A 236 9.337 9.170 71.504 1.00 92.58 ATOM 88 CE1 PHE A 236 10.715 10.602 73.417 1.00 91.20 ATOM 89 CE2 PHE A 236 10.206 8.520 72.361 1.00 91.09 ATOM 90 CZ PHE A 236 10.896 9.237 73.319 1.00 88.61 ATOM 91 N CYS A 237 5.766 9.364 70.539 1.00 92.33 ATOM 92 CA CYS A 237 5.028 8.117 70.735 1.00 84.90 ATOM 93 C CYS A 237 5.540 6.985 69.851 1.00 93.02 ATOM 94 O CYS A 237 5.557 7.098 68.627 1.00107.58 ATOM 95 CB CYS A 237 3.538 8.351 70.479 1.00 84.56 ATOM 96 SG CYS A 237 2.838 9.555 71.622 1.00138.56 ATOM 97 N ASP A 238 5.953 5.888 70.481 1.00 98.34 ATOM 98 CA ASP A 238 6.464 4.733 69.749 1.00 97.86 ATOM 99 C ASP A 238 5.402 3.651 69.592 1.00 93.26 ATOM 100 O ASP A 238 5.585 2.692 68.842 1.00 95.82 ATOM 101 CB ASP A 238 7.693 4.157 70.454 1.00105.44 ATOM 102 CG ASP A 238 8.824 5.159 70.562 1.00115.27 ATOM 103 OD1 ASP A 238 8.995 5.965 69.624 1.00120.28 ATOM 104 OD2 ASP A 238 9.539 5.144 71.586 1.00110.41 ATOM 105 N LYS A 239 4.295 3.808 70.309 1.00 90.58 ATOM 106 CA LYS A 239 3.182 2.871 70.222 1.00 85.35 ATOM 107 C LYS A 239 1.876 3.618 70.512 1.00 87.48 ATOM 108 O LYS A 239 1.889 4.646 71.190 1.00 93.94 ATOM 109 CB LYS A 239 3.392 1.692 71.180 1.00 99.32 ATOM 110 CG LYS A 239 3.067 1.967 72.634 1.00118.52 ATOM 111 CD LYS A 239 3.133 0.675 73.436 1.00118.78 ATOM 112 CE LYS A 239 2.861 0.911 74.911 1.00119.11 ATOM 113 NZ LYS A 239 3.906 1.769 75.530 1.00109.00 ATOM 114 N PRO A 240 0.746 3.112 69.990 1.00 89.97 ATOM 115 CA PRO A 240 -0.503 3.885 69.970 1.00 87.88 ATOM 116 C PRO A 240 -1.250 3.992 71.299 1.00 87.64 ATOM 117 O PRO A 240 -2.451 3.730 71.328 1.00107.72 ATOM 118 CB PRO A 240 -1.357 3.110 68.966 1.00 89.76 ATOM 119 CG PRO A 240 -0.906 1.713 69.127 1.00105.84 ATOM 120 CD PRO A 240 0.577 1.801 69.337 1.00102.23 ATOM 121 N GLY A 241 -0.571 4.388 72.371 1.00 88.63 ATOM 122 CA GLY A 241 -1.247 4.567 73.644 1.00102.29 ATOM 123 C GLY A 241 -0.469 5.438 74.607 1.00 96.59 ATOM 124 O GLY A 241 -1.039 6.117 75.462 1.00 80.70 ATOM 125 N GLU A 242 0.848 5.418 74.452 1.00 98.02 ATOM 126 CA GLU A 242 1.748 6.099 75.368 1.00101.90 ATOM 127 C GLU A 242 1.973 7.557 74.994 1.00 95.58 ATOM 128 O GLU A 242 1.495 8.029 73.966 1.00 94.23 ATOM 129 CB GLU A 242 3.091 5.371 75.410 1.00115.65 ATOM 130 CG GLU A 242 3.783 5.308 74.058 1.00105.48 ATOM 131 CD GLU A 242 5.000 4.407 74.069 1.00115.87 ATOM 132 OE1 GLU A 242 5.232 3.728 75.092 1.00120.77 ATOM 133 OE2 GLU A 242 5.724 4.375 73.053 1.00121.69 ATOM 134 N CYS A 243 2.705 8.256 75.854 1.00 94.10 ATOM 135 CA CYS A 243 3.188 9.604 75.577 1.00 86.12 ATOM 136 C CYS A 243 4.544 9.767 76.255 1.00 83.87 ATOM 137 O CYS A 243 4.632 10.157 77.422 1.00 71.49 ATOM 138 CB CYS A 243 2.188 10.662 76.059 1.00 79.56 ATOM 139 SG CYS A 243 2.839 12.353 76.245 1.00 88.76 ATOM 140 N LYS A 244 5.599 9.441 75.514 1.00 88.57 ATOM 141 CA LYS A 244 6.955 9.446 76.049 1.00 82.75 ATOM 142 C LYS A 244 7.566 10.839 76.085 1.00 91.75 ATOM 143 O LYS A 244 7.418 11.624 75.149 1.00 94.13 ATOM 144 CB LYS A 244 7.848 8.514 75.233 1.00 76.64 ATOM 145 CG LYS A 244 7.552 7.045 75.446 1.00 92.17 ATOM 146 CD LYS A 244 8.532 6.175 74.683 1.00 91.85 ATOM 147 CE LYS A 244 8.332 4.710 75.021 1.00 98.35 ATOM 148 NZ LYS A 244 9.249 3.820 74.260 1.00104.86 ATOM 149 N CYS A 245 8.265 11.130 77.176 1.00 90.74 ATOM 150 CA CYS A 245 8.876 12.436 77.381 1.00 79.76 ATOM 151 C CYS A 245 10.300 12.487 76.838 1.00 82.94 ATOM 152 O CYS A 245 11.048 11.515 76.932 1.00 90.74 ATOM 153 CB CYS A 245 8.875 12.790 78.868 1.00 70.71 ATOM 154 SG CYS A 245 7.242 12.769 79.632 1.00106.29 ATOM 155 N ARG A 246 10.669 13.631 76.271 1.00 83.70 ATOM 156 CA ARG A 246 12.030 13.828 75.791 1.00 87.40 ATOM 157 C ARG A 246 12.932 14.250 76.945 1.00 88.52 ATOM 158 O ARG A 246 12.537 14.183 78.108 1.00 83.76 ATOM 159 CB ARG A 246 12.066 14.869 74.671 1.00 93.55 ATOM 160 CG ARG A 246 11.213 14.509 73.466 1.00 92.20 ATOM 161 CD ARG A 246 11.478 15.452 72.305 1.00 96.68 ATOM 162 NE ARG A 246 10.580 15.206 71.180 1.00 95.90 ATOM 163 CZ ARG A 246 10.802 14.306 70.227 1.00 99.64 ATOM 164 NH1 ARG A 246 11.894 13.556 70.258 1.00 98.44 ATOM 165 NH2 ARG A 246 9.928 14.155 69.241 1.00106.20 ATOM 166 N VAL A 247 14.144 14.683 76.619 1.00 88.81 ATOM 167 CA VAL A 247 15.114 15.068 77.637 1.00 86.79 ATOM 168 C VAL A 247 14.735 16.382 78.317 1.00 82.60 ATOM 169 O VAL A 247 14.526 17.398 77.656 1.00 72.00 ATOM 170 CB VAL A 247 16.530 15.203 77.042 1.00 80.38 ATOM 171 CG1 VAL A 247 17.525 15.602 78.119 1.00 70.17 ATOM 172 CG2 VAL A 247 16.951 13.903 76.374 1.00 90.57 ATOM 173 N GLY A 248 14.645 16.347 79.643 1.00 86.61 ATOM 174 CA GLY A 248 14.388 17.543 80.425 1.00 86.33 ATOM 175 C GLY A 248 12.927 17.750 80.770 1.00 78.38 ATOM 176 O GLY A 248 12.571 18.734 81.418 1.00 82.08 ATOM 177 N TRP A 249 12.077 16.822 80.343 1.00 79.83 ATOM 178 CA TRP A 249 10.645 16.935 80.588 1.00 75.97 ATOM 179 C TRP A 249 10.085 15.671 81.235 1.00 83.33 ATOM 180 O TRP A 249 10.562 14.565 80.978 1.00 91.73 ATOM 181 CB TRP A 249 9.910 17.233 79.283 1.00 63.81 ATOM 182 CG TRP A 249 10.337 18.516 78.653 1.00 65.74 ATOM 183 CD1 TRP A 249 11.326 18.689 77.731 1.00 74.52 ATOM 184 CD2 TRP A 249 9.793 19.816 78.906 1.00 68.68 ATOM 185 NE1 TRP A 249 11.429 20.015 77.390 1.00 72.71 ATOM 186 CE2 TRP A 249 10.499 20.726 78.097 1.00 77.26 ATOM 187 CE3 TRP A 249 8.774 20.295 79.734 1.00 68.92 ATOM 188 CZ2 TRP A 249 10.219 22.092 78.096 1.00 91.07 ATOM 189 CZ3 TRP A 249 8.501 21.648 79.731 1.00 74.61 ATOM 190 CH2 TRP A 249 9.218 22.532 78.917 1.00 82.68 ATOM 191 N GLN A 250 9.076 15.846 82.086 1.00 70.22 ATOM 192 CA GLN A 250 8.445 14.722 82.769 1.00 72.65 ATOM 193 C GLN A 250 6.937 14.922 82.868 1.00 74.72 ATOM 194 O GLN A 250 6.391 15.882 82.325 1.00 73.03 ATOM 195 CB GLN A 250 9.039 14.538 84.167 1.00 81.25 ATOM 196 CG GLN A 250 8.805 15.718 85.099 1.00 88.20 ATOM 197 CD GLN A 250 9.236 15.430 86.524 1.00 89.46 ATOM 198 OE1 GLN A 250 9.531 14.289 86.876 1.00 84.74 ATOM 199 NE2 GLN A 250 9.276 16.469 87.351 1.00 99.71 ATOM 200 N GLY A 251 6.267 14.010 83.566 1.00 84.26 ATOM 201 CA GLY A 251 4.830 14.094 83.743 1.00 86.43 ATOM 202 C GLY A 251 4.076 13.176 82.802 1.00 84.69 ATOM 203 O GLY A 251 4.671 12.513 81.953 1.00 80.80 ATOM 204 N ARG A 252 2.757 13.140 82.953 1.00 78.14 ATOM 205 CA ARG A 252 1.917 12.283 82.128 1.00 68.21 ATOM 206 C ARG A 252 1.902 12.743 80.676 1.00 73.25 ATOM 207 O ARG A 252 1.986 11.927 79.758 1.00 82.05 ATOM 208 CB ARG A 252 0.491 12.245 82.679 1.00 73.13 ATOM 209 CG ARG A 252 -0.506 11.528 81.784 1.00 72.31 ATOM 210 CD ARG A 252 -1.885 11.507 82.421 1.00 70.08 ATOM 211 NE ARG A 252 -2.922 11.067 81.492 1.00 84.21 ATOM 212 CZ ARG A 252 -3.272 9.799 81.306 1.00 92.89 ATOM 213 NH1 ARG A 252 -2.664 8.836 81.985 1.00102.40 ATOM 214 NH2 ARG A 252 -4.228 9.491 80.439 1.00 95.43 ATOM 215 N TYR A 253 1.798 14.052 80.476 1.00 74.72 ATOM 216 CA TYR A 253 1.698 14.614 79.134 1.00 67.26 ATOM 217 C TYR A 253 3.004 15.275 78.693 1.00 76.84 ATOM 218 O TYR A 253 3.059 15.925 77.647 1.00 76.64 ATOM 219 CB TYR A 253 0.544 15.620 79.065 1.00 73.31 ATOM 220 CG TYR A 253 -0.796 15.047 79.479 1.00 71.17 ATOM 221 CD1 TYR A 253 -1.528 14.239 78.616 1.00 76.11 ATOM 222 CD2 TYR A 253 -1.333 15.320 80.730 1.00 73.17 ATOM 223 CE1 TYR A 253 -2.755 13.716 78.991 1.00 75.95 ATOM 224 CE2 TYR A 253 -2.559 14.803 81.113 1.00 65.77 ATOM 225 CZ TYR A 253 -3.265 14.003 80.240 1.00 75.72 ATOM 226 OH TYR A 253 -4.484 13.485 80.615 1.00 85.59 ATOM 227 N CYS A 254 4.045 15.102 79.505 1.00 78.31 ATOM 228 CA CYS A 254 5.390 15.587 79.192 1.00 68.91 ATOM 229 C CYS A 254 5.459 17.099 79.002 1.00 62.27 ATOM 230 O CYS A 254 6.354 17.604 78.325 1.00 61.81 ATOM 231 CB CYS A 254 5.926 14.887 77.941 1.00 63.13 ATOM 232 SG CYS A 254 5.985 13.090 78.072 1.00 95.41 ATOM 233 N ASP A 255 4.515 17.818 79.601 1.00 66.92 ATOM 234 CA ASP A 255 4.513 19.274 79.538 1.00 73.03 ATOM 235 C ASP A 255 5.060 19.853 80.836 1.00 74.53 ATOM 236 O ASP A 255 5.084 21.068 81.028 1.00 79.80 ATOM 237 CB ASP A 255 3.104 19.804 79.265 1.00 77.56 ATOM 238 CG ASP A 255 2.100 19.358 80.309 1.00 86.36 ATOM 239 OD1 ASP A 255 2.236 18.230 80.830 1.00 92.27 ATOM 240 OD2 ASP A 255 1.175 20.140 80.607 1.00 91.47 ATOM 241 N GLU A 256 5.503 18.968 81.723 1.00 70.33 ATOM 242 CA GLU A 256 6.063 19.368 83.007 1.00 68.50 ATOM 243 C GLU A 256 7.582 19.245 82.989 1.00 88.87 ATOM 244 O GLU A 256 8.120 18.145 82.864 1.00 89.02 ATOM 245 CB GLU A 256 5.477 18.516 84.134 1.00 79.66 ATOM 246 CG GLU A 256 3.965 18.357 84.060 1.00108.80 ATOM 247 CD GLU A 256 3.460 17.171 84.860 1.00109.90 ATOM 248 OE1 GLU A 256 4.199 16.693 85.748 1.00110.30 ATOM 249 OE2 GLU A 256 2.328 16.708 84.596 1.00100.30 TER