HEADER SIGNALING PROTEIN 31-DEC-69 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 CYS ILE ARG TYR PRO GLY CYS LEU HIS GLY THR CYS GLN SEQRES 2 B 32 GLN PRO TRP GLN CYS ASN CYS GLN GLU GLY TRP GLY GLY SEQRES 3 B 32 LEU PHE CYS ASN GLN ASP ATOM 1 N CYS B 257 7.874 -33.212 -11.995 1.00 74.47 ATOM 2 CA CYS B 257 7.937 -34.431 -11.191 1.00 71.68 ATOM 3 C CYS B 257 9.234 -35.218 -11.369 1.00 67.33 ATOM 4 O CYS B 257 10.059 -34.909 -12.231 1.00 62.06 ATOM 5 CB CYS B 257 6.745 -35.339 -11.515 1.00 73.83 ATOM 6 SG CYS B 257 6.435 -35.580 -13.283 1.00136.98 ATOM 7 N ILE B 258 9.400 -36.239 -10.535 1.00 65.68 ATOM 8 CA ILE B 258 10.531 -37.153 -10.632 1.00 62.68 ATOM 9 C ILE B 258 10.031 -38.569 -10.894 1.00 66.40 ATOM 10 O ILE B 258 9.218 -39.096 -10.137 1.00 61.72 ATOM 11 CB ILE B 258 11.385 -37.144 -9.351 1.00 55.31 ATOM 12 CG1 ILE B 258 12.003 -35.763 -9.130 1.00 61.53 ATOM 13 CG2 ILE B 258 12.472 -38.204 -9.427 1.00 55.83 ATOM 14 CD1 ILE B 258 12.870 -35.674 -7.890 1.00 58.38 ATOM 15 N ARG B 259 10.514 -39.178 -11.972 1.00 67.37 ATOM 16 CA ARG B 259 10.102 -40.530 -12.334 1.00 64.12 ATOM 17 C ARG B 259 10.608 -41.572 -11.341 1.00 59.03 ATOM 18 O ARG B 259 11.443 -41.275 -10.488 1.00 70.06 ATOM 19 CB ARG B 259 10.604 -40.882 -13.735 1.00 65.15 ATOM 20 CG ARG B 259 10.138 -39.942 -14.835 1.00 76.07 ATOM 21 CD ARG B 259 10.703 -40.361 -16.187 1.00 79.13 ATOM 22 NE ARG B 259 12.161 -40.280 -16.223 1.00 74.92 ATOM 23 CZ ARG B 259 12.917 -40.811 -17.178 1.00 76.55 ATOM 24 NH1 ARG B 259 12.353 -41.474 -18.180 1.00 83.41 ATOM 25 NH2 ARG B 259 14.237 -40.688 -17.130 1.00 73.53 ATOM 26 N TYR B 260 10.087 -42.792 -11.458 1.00 53.72 ATOM 27 CA TYR B 260 10.612 -43.934 -10.719 1.00 52.81 ATOM 28 C TYR B 260 12.100 -44.036 -11.029 1.00 60.86 ATOM 29 O TYR B 260 12.483 -44.029 -12.194 1.00 85.60 ATOM 30 CB TYR B 260 9.871 -45.214 -11.111 1.00 57.86 ATOM 31 CG TYR B 260 9.984 -46.348 -10.120 1.00 56.41 ATOM 32 CD1 TYR B 260 9.365 -46.275 -8.881 1.00 62.60 ATOM 33 CD2 TYR B 260 10.683 -47.507 -10.436 1.00 62.71 ATOM 34 CE1 TYR B 260 9.456 -47.315 -7.974 1.00 63.79 ATOM 35 CE2 TYR B 260 10.777 -48.553 -9.537 1.00 61.67 ATOM 36 CZ TYR B 260 10.161 -48.451 -8.307 1.00 59.90 ATOM 37 OH TYR B 260 10.248 -49.486 -7.403 1.00 58.06 ATOM 38 N PRO B 261 12.942 -44.120 -9.989 1.00 61.56 ATOM 39 CA PRO B 261 14.399 -43.939 -10.077 1.00 77.06 ATOM 40 C PRO B 261 15.089 -44.681 -11.228 1.00 83.98 ATOM 41 O PRO B 261 16.145 -44.232 -11.675 1.00 88.97 ATOM 42 CB PRO B 261 14.890 -44.469 -8.728 1.00 70.25 ATOM 43 CG PRO B 261 13.756 -44.225 -7.813 1.00 70.93 ATOM 44 CD PRO B 261 12.516 -44.455 -8.621 1.00 68.51 ATOM 45 N GLY B 262 14.503 -45.772 -11.711 1.00 68.56 ATOM 46 CA GLY B 262 15.103 -46.525 -12.800 1.00 67.89 ATOM 47 C GLY B 262 14.350 -46.438 -14.115 1.00 71.13 ATOM 48 O GLY B 262 14.584 -47.237 -15.021 1.00 71.36 ATOM 49 N CYS B 263 13.447 -45.467 -14.222 1.00 69.82 ATOM 50 CA CYS B 263 12.622 -45.302 -15.417 1.00 57.15 ATOM 51 C CYS B 263 13.483 -44.926 -16.620 1.00 65.29 ATOM 52 O CYS B 263 14.229 -43.947 -16.578 1.00 73.22 ATOM 53 CB CYS B 263 11.540 -44.241 -15.177 1.00 61.00 ATOM 54 SG CYS B 263 10.151 -44.230 -16.346 1.00 87.68 ATOM 55 N LEU B 264 13.382 -45.714 -17.685 1.00 65.22 ATOM 56 CA LEU B 264 14.169 -45.478 -18.890 1.00 64.92 ATOM 57 C LEU B 264 13.407 -44.609 -19.883 1.00 67.92 ATOM 58 O LEU B 264 13.618 -43.399 -19.951 1.00 84.15 ATOM 59 CB LEU B 264 14.560 -46.802 -19.548 1.00 67.25 ATOM 60 CG LEU B 264 15.422 -46.705 -20.809 1.00 56.27 ATOM 61 CD1 LEU B 264 16.797 -46.142 -20.488 1.00 57.88 ATOM 62 CD2 LEU B 264 15.533 -48.061 -21.485 1.00 65.78 ATOM 63 N HIS B 265 12.522 -45.231 -20.654 1.00 64.96 ATOM 64 CA HIS B 265 11.695 -44.499 -21.603 1.00 74.30 ATOM 65 C HIS B 265 10.288 -44.319 -21.056 1.00 85.04 ATOM 66 O HIS B 265 9.388 -45.097 -21.373 1.00 78.53 ATOM 67 CB HIS B 265 11.645 -45.220 -22.949 1.00 76.74 ATOM 68 CG HIS B 265 12.975 -45.339 -23.622 1.00 75.78 ATOM 69 ND1 HIS B 265 13.693 -44.242 -24.050 1.00 80.21 ATOM 70 CD2 HIS B 265 13.715 -46.424 -23.950 1.00 70.31 ATOM 71 CE1 HIS B 265 14.820 -44.648 -24.608 1.00 81.93 ATOM 72 NE2 HIS B 265 14.857 -45.967 -24.560 1.00 69.39 ATOM 73 N GLY B 266 10.103 -43.290 -20.233 1.00 87.93 ATOM 74 CA GLY B 266 8.813 -43.028 -19.622 1.00 80.30 ATOM 75 C GLY B 266 8.640 -41.603 -19.131 1.00 73.15 ATOM 76 O GLY B 266 9.570 -40.801 -19.191 1.00 73.29 ATOM 77 N THR B 267 7.440 -41.291 -18.650 1.00 84.49 ATOM 78 CA THR B 267 7.130 -39.961 -18.135 1.00 84.49 ATOM 79 C THR B 267 6.430 -40.039 -16.784 1.00 76.31 ATOM 80 O THR B 267 6.056 -41.121 -16.333 1.00 68.69 ATOM 81 CB THR B 267 6.231 -39.171 -19.100 1.00 83.70 ATOM 82 OG1 THR B 267 5.001 -39.880 -19.293 1.00 82.65 ATOM 83 CG2 THR B 267 6.918 -38.978 -20.443 1.00 71.23 ATOM 84 N CYS B 268 6.250 -38.886 -16.145 1.00 81.73 ATOM 85 CA CYS B 268 5.517 -38.811 -14.887 1.00 79.44 ATOM 86 C CYS B 268 4.493 -37.683 -14.909 1.00 81.76 ATOM 87 O CYS B 268 4.657 -36.691 -15.619 1.00 77.24 ATOM 88 CB CYS B 268 6.474 -38.619 -13.701 1.00 67.40 ATOM 89 SG CYS B 268 7.589 -37.180 -13.800 1.00109.37 ATOM 90 N GLN B 269 3.428 -37.855 -14.134 1.00 81.32 ATOM 91 CA GLN B 269 2.513 -36.767 -13.822 1.00 72.17 ATOM 92 C GLN B 269 2.737 -36.403 -12.362 1.00 67.68 ATOM 93 O GLN B 269 2.989 -35.248 -12.019 1.00 81.95 ATOM 94 CB GLN B 269 1.060 -37.172 -14.073 1.00 75.21 ATOM 95 CG GLN B 269 0.760 -37.542 -15.517 1.00 86.44 ATOM 96 CD GLN B 269 0.938 -36.373 -16.464 1.00 93.63 ATOM 97 OE1 GLN B 269 0.491 -35.260 -16.185 1.00 81.32 ATOM 98 NE2 GLN B 269 1.603 -36.617 -17.586 1.00 96.64 ATOM 99 N GLN B 270 2.655 -37.418 -11.511 1.00 61.04 ATOM 100 CA GLN B 270 3.006 -37.289 -10.108 1.00 69.41 ATOM 101 C GLN B 270 4.301 -38.058 -9.874 1.00 62.05 ATOM 102 O GLN B 270 4.649 -38.926 -10.674 1.00 67.99 ATOM 103 CB GLN B 270 1.872 -37.808 -9.226 1.00 68.89 ATOM 104 CG GLN B 270 0.558 -37.101 -9.478 1.00 67.74 ATOM 105 CD GLN B 270 -0.539 -37.592 -8.570 1.00 77.19 ATOM 106 OE1 GLN B 270 -0.565 -37.274 -7.382 1.00 92.58 ATOM 107 NE2 GLN B 270 -1.452 -38.383 -9.120 1.00 77.14 ATOM 108 N PRO B 271 5.034 -37.730 -8.797 1.00 63.77 ATOM 109 CA PRO B 271 6.325 -38.379 -8.540 1.00 69.15 ATOM 110 C PRO B 271 6.253 -39.904 -8.469 1.00 64.61 ATOM 111 O PRO B 271 5.205 -40.470 -8.151 1.00 61.71 ATOM 112 CB PRO B 271 6.751 -37.795 -7.183 1.00 64.39 ATOM 113 CG PRO B 271 5.527 -37.149 -6.619 1.00 73.24 ATOM 114 CD PRO B 271 4.754 -36.682 -7.803 1.00 79.37 ATOM 115 N TRP B 272 7.378 -40.539 -8.792 1.00 60.36 ATOM 116 CA TRP B 272 7.557 -41.992 -8.744 1.00 66.94 ATOM 117 C TRP B 272 6.686 -42.738 -9.750 1.00 64.24 ATOM 118 O TRP B 272 6.569 -43.961 -9.693 1.00 57.91 ATOM 119 CB TRP B 272 7.298 -42.519 -7.329 1.00 59.11 ATOM 120 CG TRP B 272 7.843 -41.622 -6.258 1.00 61.06 ATOM 121 CD1 TRP B 272 7.167 -41.140 -5.177 1.00 67.31 ATOM 122 CD2 TRP B 272 9.169 -41.072 -6.179 1.00 59.47 ATOM 123 NE1 TRP B 272 7.989 -40.339 -4.422 1.00 73.43 ATOM 124 CE2 TRP B 272 9.220 -40.280 -5.016 1.00 58.71 ATOM 125 CE3 TRP B 272 10.315 -41.181 -6.974 1.00 66.20 ATOM 126 CZ2 TRP B 272 10.373 -39.599 -4.629 1.00 70.07 ATOM 127 CZ3 TRP B 272 11.457 -40.503 -6.587 1.00 70.26 ATOM 128 CH2 TRP B 272 11.478 -39.722 -5.426 1.00 76.80 ATOM 129 N GLN B 273 6.088 -41.999 -10.677 1.00 67.18 ATOM 130 CA GLN B 273 5.380 -42.613 -11.789 1.00 66.26 ATOM 131 C GLN B 273 6.358 -42.907 -12.915 1.00 68.16 ATOM 132 O GLN B 273 7.349 -42.198 -13.080 1.00 59.29 ATOM 133 CB GLN B 273 4.258 -41.708 -12.296 1.00 74.77 ATOM 134 CG GLN B 273 3.052 -41.617 -11.380 1.00 69.74 ATOM 135 CD GLN B 273 1.973 -40.709 -11.937 1.00 76.72 ATOM 136 OE1 GLN B 273 2.103 -40.176 -13.039 1.00 72.92 ATOM 137 NE2 GLN B 273 0.899 -40.528 -11.175 1.00 78.65 ATOM 138 N CYS B 274 6.079 -43.949 -13.688 1.00 72.54 ATOM 139 CA CYS B 274 6.896 -44.275 -14.851 1.00 71.45 ATOM 140 C CYS B 274 6.000 -44.782 -15.979 1.00 64.67 ATOM 141 O CYS B 274 5.754 -45.983 -16.111 1.00 62.94 ATOM 142 CB CYS B 274 7.967 -45.305 -14.480 1.00 68.23 ATOM 143 SG CYS B 274 9.052 -45.864 -15.824 1.00 91.27 ATOM 144 N ASN B 275 5.507 -43.842 -16.782 1.00 65.11 ATOM 145 CA ASN B 275 4.568 -44.135 -17.859 1.00 61.83 ATOM 146 C ASN B 275 5.259 -44.505 -19.162 1.00 71.44 ATOM 147 O ASN B 275 5.752 -43.636 -19.880 1.00 73.58 ATOM 148 CB ASN B 275 3.648 -42.937 -18.092 1.00 72.38 ATOM 149 CG ASN B 275 2.551 -42.838 -17.056 1.00 76.60 ATOM 150 OD1 ASN B 275 1.971 -43.847 -16.654 1.00 75.98 ATOM 151 ND2 ASN B 275 2.255 -41.620 -16.619 1.00 77.52 ATOM 152 N CYS B 276 5.280 -45.800 -19.461 1.00 81.53 ATOM 153 CA CYS B 276 5.944 -46.314 -20.653 1.00 75.33 ATOM 154 C CYS B 276 5.411 -45.681 -21.929 1.00 77.10 ATOM 155 O CYS B 276 4.213 -45.721 -22.203 1.00 81.18 ATOM 156 CB CYS B 276 5.790 -47.833 -20.734 1.00 62.37 ATOM 157 SG CYS B 276 6.572 -48.740 -19.384 1.00115.84 ATOM 158 N GLN B 277 6.312 -45.090 -22.704 1.00 77.23 ATOM 159 CA GLN B 277 5.958 -44.563 -24.011 1.00 81.90 ATOM 160 C GLN B 277 5.601 -45.712 -24.937 1.00 85.76 ATOM 161 O GLN B 277 5.941 -46.864 -24.663 1.00 94.28 ATOM 162 CB GLN B 277 7.106 -43.743 -24.589 1.00 87.93 ATOM 163 CG GLN B 277 7.465 -42.533 -23.752 1.00 76.64 ATOM 164 CD GLN B 277 8.698 -41.827 -24.262 1.00 94.18 ATOM 165 OE1 GLN B 277 9.544 -42.431 -24.922 1.00115.63 ATOM 166 NE2 GLN B 277 8.810 -40.538 -23.963 1.00111.43 ATOM 167 N GLU B 278 4.916 -45.400 -26.031 1.00 89.82 ATOM 168 CA GLU B 278 4.449 -46.433 -26.946 1.00102.36 ATOM 169 C GLU B 278 5.616 -47.221 -27.534 1.00 95.66 ATOM 170 O GLU B 278 6.604 -46.645 -27.992 1.00 82.16 ATOM 171 CB GLU B 278 3.608 -45.818 -28.064 1.00 94.47 ATOM 172 CG GLU B 278 3.010 -46.839 -29.020 1.00117.95 ATOM 173 CD GLU B 278 1.948 -47.707 -28.368 1.00140.54 ATOM 174 OE1 GLU B 278 1.383 -47.288 -27.334 1.00150.14 ATOM 175 OE2 GLU B 278 1.675 -48.808 -28.890 1.00155.13 ATOM 176 N GLY B 279 5.495 -48.545 -27.504 1.00 85.92 ATOM 177 CA GLY B 279 6.531 -49.422 -28.017 1.00100.42 ATOM 178 C GLY B 279 7.395 -49.999 -26.913 1.00 91.16 ATOM 179 O GLY B 279 8.255 -50.847 -27.159 1.00 86.48 ATOM 180 N TRP B 280 7.160 -49.534 -25.690 1.00 81.75 ATOM 181 CA TRP B 280 7.931 -49.971 -24.534 1.00 81.00 ATOM 182 C TRP B 280 7.019 -50.495 -23.432 1.00 81.43 ATOM 183 O TRP B 280 5.817 -50.229 -23.430 1.00 82.24 ATOM 184 CB TRP B 280 8.792 -48.824 -24.004 1.00 70.65 ATOM 185 CG TRP B 280 9.752 -48.298 -25.012 1.00 77.83 ATOM 186 CD1 TRP B 280 9.552 -47.256 -25.869 1.00 83.16 ATOM 187 CD2 TRP B 280 11.067 -48.790 -25.280 1.00 73.64 ATOM 188 NE1 TRP B 280 10.664 -47.068 -26.652 1.00 76.94 ATOM 189 CE2 TRP B 280 11.609 -47.999 -26.308 1.00 65.04 ATOM 190 CE3 TRP B 280 11.840 -49.825 -24.745 1.00 72.50 ATOM 191 CZ2 TRP B 280 12.887 -48.207 -26.816 1.00 64.94 ATOM 192 CZ3 TRP B 280 13.108 -50.031 -25.247 1.00 73.91 ATOM 193 CH2 TRP B 280 13.620 -49.227 -26.272 1.00 77.37 ATOM 194 N GLY B 281 7.595 -51.245 -22.498 1.00 70.84 ATOM 195 CA GLY B 281 6.835 -51.794 -21.391 1.00 69.90 ATOM 196 C GLY B 281 7.714 -52.217 -20.230 1.00 69.77 ATOM 197 O GLY B 281 8.939 -52.134 -20.309 1.00 70.91 ATOM 198 N GLY B 282 7.086 -52.676 -19.152 1.00 71.99 ATOM 199 CA GLY B 282 7.814 -53.103 -17.971 1.00 66.69 ATOM 200 C GLY B 282 7.736 -52.073 -16.862 1.00 75.93 ATOM 201 O GLY B 282 7.250 -50.962 -17.073 1.00 75.50 ATOM 202 N LEU B 283 8.212 -52.444 -15.678 1.00 80.09 ATOM 203 CA LEU B 283 8.200 -51.545 -14.530 1.00 70.61 ATOM 204 C LEU B 283 9.072 -50.319 -14.777 1.00 69.12 ATOM 205 O LEU B 283 8.693 -49.198 -14.441 1.00 79.61 ATOM 206 CB LEU B 283 8.672 -52.278 -13.272 1.00 66.12 ATOM 207 CG LEU B 283 8.896 -51.429 -12.018 1.00 82.83 ATOM 208 CD1 LEU B 283 7.613 -50.725 -11.592 1.00107.91 ATOM 209 CD2 LEU B 283 9.452 -52.278 -10.881 1.00 78.50 ATOM 210 N PHE B 284 10.241 -50.541 -15.370 1.00 67.29 ATOM 211 CA PHE B 284 11.180 -49.459 -15.634 1.00 54.37 ATOM 212 C PHE B 284 11.109 -48.992 -17.087 1.00 58.49 ATOM 213 O PHE B 284 11.909 -48.159 -17.516 1.00 60.96 ATOM 214 CB PHE B 284 12.606 -49.899 -15.296 1.00 53.11 ATOM 215 CG PHE B 284 12.787 -50.322 -13.867 1.00 56.83 ATOM 216 CD1 PHE B 284 13.100 -49.393 -12.890 1.00 66.75 ATOM 217 CD2 PHE B 284 12.653 -51.649 -13.503 1.00 64.30 ATOM 218 CE1 PHE B 284 13.272 -49.780 -11.576 1.00 75.16 ATOM 219 CE2 PHE B 284 12.824 -52.043 -12.191 1.00 79.40 ATOM 220 CZ PHE B 284 13.134 -51.106 -11.226 1.00 84.44 ATOM 221 N CYS B 285 10.142 -49.531 -17.827 1.00 60.80 ATOM 222 CA CYS B 285 9.965 -49.231 -19.250 1.00 76.10 ATOM 223 C CYS B 285 11.260 -49.451 -20.030 1.00 77.96 ATOM 224 O CYS B 285 11.645 -48.632 -20.866 1.00 67.96 ATOM 225 CB CYS B 285 9.465 -47.797 -19.448 1.00 65.60 ATOM 226 SG CYS B 285 7.902 -47.413 -18.615 1.00 90.39 ATOM 227 N ASN B 286 11.927 -50.564 -19.742 1.00 79.22 ATOM 228 CA ASN B 286 13.181 -50.911 -20.398 1.00 70.17 ATOM 229 C ASN B 286 12.982 -51.915 -21.524 1.00 67.38 ATOM 230 O ASN B 286 13.862 -52.111 -22.362 1.00 78.55 ATOM 231 CB ASN B 286 14.170 -51.477 -19.380 1.00 66.89 ATOM 232 CG ASN B 286 13.621 -52.681 -18.638 1.00 72.52 ATOM 233 OD1 ASN B 286 12.437 -52.731 -18.303 1.00 59.82 ATOM 234 ND2 ASN B 286 14.481 -53.660 -18.378 1.00 89.18 ATOM 235 N GLN B 287 11.815 -52.546 -21.533 1.00 65.68 ATOM 236 CA GLN B 287 11.526 -53.630 -22.459 1.00 64.89 ATOM 237 C GLN B 287 10.979 -53.121 -23.783 1.00 77.23 ATOM 238 O GLN B 287 9.968 -52.421 -23.818 1.00 84.43 ATOM 239 CB GLN B 287 10.536 -54.602 -21.823 1.00 60.63 ATOM 240 CG GLN B 287 10.971 -55.086 -20.453 1.00 64.12 ATOM 241 CD GLN B 287 9.909 -55.909 -19.757 1.00 66.01 ATOM 242 OE1 GLN B 287 8.815 -56.107 -20.285 1.00 79.16 ATOM 243 NE2 GLN B 287 10.227 -56.395 -18.562 1.00 62.86 ATOM 244 N ASP B 288 11.653 -53.479 -24.871 1.00 85.05 ATOM 245 CA ASP B 288 11.204 -53.110 -26.207 1.00 84.87 ATOM 246 C ASP B 288 10.192 -54.130 -26.715 1.00 95.23 ATOM 247 O ASP B 288 10.525 -55.298 -26.924 1.00103.19 ATOM 248 CB ASP B 288 12.392 -53.012 -27.168 1.00 75.49 ATOM 249 CG ASP B 288 12.060 -52.244 -28.435 1.00 84.18 ATOM 250 OD1 ASP B 288 10.861 -52.065 -28.734 1.00 87.01 ATOM 251 OD2 ASP B 288 13.004 -51.819 -29.133 1.00 81.61 TER