HEADER LIGASE 31-DEC-69 7LPS TITLE Crystal structure of DDB1-CRBN-ALV1 complex bound to Helios (IKZF2 TITLE 2 ZF2) COMPND MOL_ID: 3; COMPND 2 MOLECULE: Zinc finger protein Helios; COMPND 3 CHAIN: C, F, I, L; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.78 ANGSTORMS DBREF 7LPS C 136 164 UNP Q9UKS7 IKZF2_HUMAN 136 164 SEQRES 1 C 29 GLY GLU ARG PRO PHE HIS CYS ASN GLN CYS GLY ALA SER SEQRES 2 C 29 PHE THR GLN LYS GLY ASN LEU LEU ARG HIS ILE LYS LEU SEQRES 3 C 29 HIS SER GLY ATOM 1 N GLY C 1 63.846 2.559 65.152 1.00171.96 ATOM 2 CA GLY C 1 62.894 3.546 65.639 1.00179.26 ATOM 3 C GLY C 1 61.928 3.998 64.566 1.00176.48 ATOM 4 O GLY C 1 61.154 3.191 64.047 1.00188.17 ATOM 5 N GLU C 2 61.962 5.294 64.227 1.00165.86 ATOM 6 CA GLU C 2 61.079 5.827 63.194 1.00162.16 ATOM 7 C GLU C 2 61.818 6.336 61.950 1.00146.11 ATOM 8 O GLU C 2 61.152 6.667 60.972 1.00143.63 ATOM 9 CB GLU C 2 60.164 6.924 63.762 1.00173.42 ATOM 10 CG GLU C 2 59.376 6.488 64.981 1.00199.19 ATOM 11 CD GLU C 2 58.351 5.412 64.692 1.00212.00 ATOM 12 OE1 GLU C 2 57.572 5.580 63.727 1.00213.97 ATOM 13 OE2 GLU C 2 58.304 4.413 65.447 1.00217.13 ATOM 14 N ARG C 3 63.169 6.396 61.981 1.00139.09 ATOM 15 CA ARG C 3 64.017 6.873 60.882 1.00125.98 ATOM 16 C ARG C 3 63.692 8.311 60.464 1.00116.83 ATOM 17 O ARG C 3 63.052 8.529 59.437 1.00110.80 ATOM 18 CB ARG C 3 63.987 5.910 59.680 1.00116.86 ATOM 19 CG ARG C 3 64.314 4.470 60.059 1.00119.87 ATOM 20 CD ARG C 3 64.184 3.519 58.887 1.00118.03 ATOM 21 NE ARG C 3 65.415 3.442 58.100 1.00119.56 ATOM 22 CZ ARG C 3 66.364 2.527 58.274 1.00120.90 ATOM 23 NH1 ARG C 3 67.447 2.531 57.509 1.00126.28 ATOM 24 NH2 ARG C 3 66.236 1.598 59.214 1.00113.47 ATOM 25 N PRO C 4 64.146 9.310 61.240 1.00101.58 ATOM 26 CA PRO C 4 63.831 10.703 60.896 1.00 94.68 ATOM 27 C PRO C 4 64.827 11.383 59.956 1.00 97.61 ATOM 28 O PRO C 4 64.481 12.377 59.323 1.00103.15 ATOM 29 CB PRO C 4 63.781 11.390 62.260 1.00 90.84 ATOM 30 CG PRO C 4 64.715 10.588 63.122 1.00 88.51 ATOM 31 CD PRO C 4 64.900 9.222 62.505 1.00101.45 ATOM 32 N PHE C 5 66.061 10.876 59.874 1.00100.37 ATOM 33 CA PHE C 5 67.079 11.462 59.004 1.00 94.65 ATOM 34 C PHE C 5 66.891 10.939 57.589 1.00106.49 ATOM 35 O PHE C 5 67.083 9.750 57.362 1.00112.72 ATOM 36 CB PHE C 5 68.483 11.096 59.506 1.00 94.42 ATOM 37 CG PHE C 5 68.784 11.550 60.913 1.00 99.32 ATOM 38 CD1 PHE C 5 69.254 12.827 61.160 1.00 90.53 ATOM 39 CD2 PHE C 5 68.621 10.691 61.985 1.00103.61 ATOM 40 CE1 PHE C 5 69.535 13.242 62.454 1.00 84.63 ATOM 41 CE2 PHE C 5 68.909 11.106 63.277 1.00 95.36 ATOM 42 CZ PHE C 5 69.364 12.378 63.503 1.00 85.48 ATOM 43 N HIS C 6 66.521 11.809 56.635 1.00103.01 ATOM 44 CA HIS C 6 66.297 11.366 55.258 1.00100.04 ATOM 45 C HIS C 6 67.241 12.008 54.236 1.00 94.64 ATOM 46 O HIS C 6 67.713 13.125 54.441 1.00 95.27 ATOM 47 CB HIS C 6 64.846 11.608 54.838 1.00 92.08 ATOM 48 CG HIS C 6 63.815 11.071 55.778 1.00 95.72 ATOM 49 ND1 HIS C 6 63.140 11.899 56.655 1.00 93.36 ATOM 50 CD2 HIS C 6 63.338 9.812 55.911 1.00105.25 ATOM 51 CE1 HIS C 6 62.293 11.118 57.305 1.00 98.14 ATOM 52 NE2 HIS C 6 62.378 9.854 56.893 1.00108.61 ATOM 53 N CYS C 7 67.489 11.307 53.119 1.00 94.99 ATOM 54 CA CYS C 7 68.355 11.800 52.050 1.00 95.75 ATOM 55 C CYS C 7 67.575 12.699 51.108 1.00101.51 ATOM 56 O CYS C 7 66.611 12.249 50.501 1.00106.11 ATOM 57 CB CYS C 7 68.996 10.637 51.299 1.00100.12 ATOM 58 SG CYS C 7 69.989 11.130 49.864 1.00107.99 ATOM 59 N ASN C 8 68.019 13.949 50.946 1.00103.07 ATOM 60 CA ASN C 8 67.355 14.907 50.069 1.00106.68 ATOM 61 C ASN C 8 67.304 14.447 48.611 1.00110.10 ATOM 62 O ASN C 8 66.329 14.722 47.923 1.00114.83 ATOM 63 CB ASN C 8 68.032 16.273 50.159 1.00114.71 ATOM 64 CG ASN C 8 67.872 16.964 51.490 1.00116.33 ATOM 65 OD1 ASN C 8 67.581 16.347 52.524 1.00114.09 ATOM 66 ND2 ASN C 8 68.071 18.268 51.489 1.00117.76 ATOM 67 N GLN C 9 68.331 13.728 48.151 1.00107.71 ATOM 68 CA GLN C 9 68.405 13.272 46.770 1.00109.06 ATOM 69 C GLN C 9 67.470 12.106 46.412 1.00113.94 ATOM 70 O GLN C 9 66.719 12.215 45.443 1.00118.26 ATOM 71 CB GLN C 9 69.853 12.927 46.399 1.00110.87 ATOM 72 CG GLN C 9 70.068 12.845 44.906 1.00111.26 ATOM 73 CD GLN C 9 71.524 12.623 44.574 1.00119.99 ATOM 74 OE1 GLN C 9 71.896 11.619 43.968 1.00126.08 ATOM 75 NE2 GLN C 9 72.386 13.551 44.967 1.00113.04 ATOM 76 N CYS C 10 67.525 10.990 47.159 1.00110.95 ATOM 77 CA CYS C 10 66.721 9.815 46.829 1.00108.14 ATOM 78 C CYS C 10 65.554 9.567 47.779 1.00106.57 ATOM 79 O CYS C 10 64.526 9.038 47.359 1.00110.33 ATOM 80 CB CYS C 10 67.605 8.579 46.710 1.00115.70 ATOM 81 SG CYS C 10 68.243 7.967 48.290 1.00115.38 ATOM 82 N GLY C 11 65.722 9.915 49.043 1.00106.35 ATOM 83 CA GLY C 11 64.681 9.700 50.037 1.00112.02 ATOM 84 C GLY C 11 64.934 8.488 50.900 1.00110.68 ATOM 85 O GLY C 11 63.991 7.810 51.315 1.00112.01 ATOM 86 N ALA C 12 66.210 8.200 51.168 1.00 97.43 ATOM 87 CA ALA C 12 66.563 7.066 52.007 1.00102.49 ATOM 88 C ALA C 12 66.353 7.394 53.483 1.00109.00 ATOM 89 O ALA C 12 66.939 8.341 54.006 1.00111.53 ATOM 90 CB ALA C 12 67.998 6.647 51.751 1.00 97.32 ATOM 91 N SER C 13 65.494 6.618 54.148 1.00106.56 ATOM 92 CA SER C 13 65.198 6.804 55.563 1.00104.63 ATOM 93 C SER C 13 66.319 6.201 56.399 1.00103.57 ATOM 94 O SER C 13 66.745 5.084 56.123 1.00104.69 ATOM 95 CB SER C 13 63.876 6.130 55.914 1.00112.51 ATOM 96 OG SER C 13 62.829 6.560 55.060 1.00116.13 ATOM 97 N PHE C 14 66.793 6.929 57.416 1.00108.67 ATOM 98 CA PHE C 14 67.873 6.471 58.292 1.00112.61 ATOM 99 C PHE C 14 67.583 6.748 59.757 1.00113.56 ATOM 100 O PHE C 14 67.104 7.826 60.099 1.00113.50 ATOM 101 CB PHE C 14 69.210 7.120 57.910 1.00103.07 ATOM 102 CG PHE C 14 69.762 6.602 56.612 1.00 97.05 ATOM 103 CD1 PHE C 14 70.120 5.275 56.475 1.00106.31 ATOM 104 CD2 PHE C 14 69.902 7.437 55.522 1.00 95.07 ATOM 105 CE1 PHE C 14 70.610 4.793 55.272 1.00106.07 ATOM 106 CE2 PHE C 14 70.403 6.956 54.325 1.00100.29 ATOM 107 CZ PHE C 14 70.746 5.636 54.204 1.00105.87 ATOM 108 N THR C 15 67.911 5.791 60.627 1.00110.88 ATOM 109 CA THR C 15 67.690 5.942 62.059 1.00112.94 ATOM 110 C THR C 15 68.726 6.860 62.718 1.00108.14 ATOM 111 O THR C 15 68.429 7.462 63.747 1.00116.67 ATOM 112 CB THR C 15 67.598 4.569 62.732 1.00124.55 ATOM 113 OG1 THR C 15 67.419 4.743 64.138 1.00134.86 ATOM 114 CG2 THR C 15 68.817 3.703 62.460 1.00118.80 ATOM 115 N GLN C 16 69.937 6.962 62.148 1.00 98.28 ATOM 116 CA GLN C 16 70.977 7.818 62.713 1.00103.14 ATOM 117 C GLN C 16 71.556 8.813 61.703 1.00 96.40 ATOM 118 O GLN C 16 71.454 8.601 60.496 1.00 98.27 ATOM 119 CB GLN C 16 72.088 6.971 63.339 1.00113.36 ATOM 120 CG GLN C 16 71.668 6.286 64.627 1.00118.18 ATOM 121 CD GLN C 16 72.699 5.289 65.059 1.00120.82 ATOM 122 OE1 GLN C 16 73.306 4.593 64.235 1.00124.27 ATOM 123 NE2 GLN C 16 72.923 5.208 66.362 1.00123.45 ATOM 124 N LYS C 17 72.158 9.904 62.203 1.00 89.90 ATOM 125 CA LYS C 17 72.758 10.944 61.370 1.00 91.86 ATOM 126 C LYS C 17 74.035 10.466 60.673 1.00 92.35 ATOM 127 O LYS C 17 74.315 10.884 59.552 1.00 98.67 ATOM 128 CB LYS C 17 73.040 12.202 62.201 1.00 90.17 ATOM 129 CG LYS C 17 73.298 13.451 61.375 1.00 96.09 ATOM 130 CD LYS C 17 73.296 14.695 62.242 1.00103.97 ATOM 131 CE LYS C 17 73.614 15.939 61.458 1.00109.61 ATOM 132 NZ LYS C 17 73.554 17.157 62.305 1.00111.33 ATOM 133 N GLY C 18 74.792 9.594 61.335 1.00 88.35 ATOM 134 CA GLY C 18 76.020 9.033 60.782 1.00 98.37 ATOM 135 C GLY C 18 75.766 8.166 59.566 1.00100.71 ATOM 136 O GLY C 18 76.575 8.136 58.635 1.00 98.59 ATOM 137 N ASN C 19 74.624 7.466 59.561 1.00 98.47 ATOM 138 CA ASN C 19 74.213 6.620 58.446 1.00 98.74 ATOM 139 C ASN C 19 73.882 7.467 57.217 1.00 98.08 ATOM 140 O ASN C 19 74.209 7.088 56.094 1.00101.71 ATOM 141 CB ASN C 19 73.004 5.771 58.837 1.00102.37 ATOM 142 CG ASN C 19 73.236 4.920 60.057 1.00104.46 ATOM 143 OD1 ASN C 19 74.375 4.634 60.439 1.00109.23 ATOM 144 ND2 ASN C 19 72.156 4.497 60.695 1.00108.43 ATOM 145 N LEU C 20 73.239 8.617 57.440 1.00 90.03 ATOM 146 CA LEU C 20 72.850 9.541 56.387 1.00 87.26 ATOM 147 C LEU C 20 74.051 10.267 55.785 1.00 94.10 ATOM 148 O LEU C 20 74.144 10.371 54.564 1.00105.53 ATOM 149 CB LEU C 20 71.831 10.549 56.936 1.00 79.60 ATOM 150 CG LEU C 20 71.353 11.611 55.959 1.00 80.83 ATOM 151 CD1 LEU C 20 70.677 10.982 54.763 1.00 88.70 ATOM 152 CD2 LEU C 20 70.418 12.585 56.634 1.00 86.86 ATOM 153 N LEU C 21 74.979 10.743 56.627 1.00 94.37 ATOM 154 CA LEU C 21 76.165 11.460 56.159 1.00 99.99 ATOM 155 C LEU C 21 77.071 10.615 55.269 1.00106.02 ATOM 156 O LEU C 21 77.767 11.157 54.415 1.00108.17 ATOM 157 CB LEU C 21 76.971 12.020 57.336 1.00 98.86 ATOM 158 CG LEU C 21 76.381 13.130 58.222 1.00 86.56 ATOM 159 CD1 LEU C 21 77.477 14.078 58.684 1.00 90.94 ATOM 160 CD2 LEU C 21 75.237 13.931 57.584 1.00 89.58 ATOM 161 N ARG C 22 77.070 9.296 55.465 1.00 96.71 ATOM 162 CA ARG C 22 77.865 8.398 54.644 1.00103.81 ATOM 163 C ARG C 22 77.139 8.147 53.319 1.00109.16 ATOM 164 O ARG C 22 77.768 8.179 52.266 1.00116.45 ATOM 165 CB ARG C 22 78.112 7.092 55.405 1.00113.96 ATOM 166 CG ARG C 22 78.769 5.984 54.597 1.00119.35 ATOM 167 CD ARG C 22 78.619 4.638 55.286 1.00121.26 ATOM 168 NE ARG C 22 77.217 4.224 55.376 1.00126.37 ATOM 169 CZ ARG C 22 76.490 4.259 56.488 1.00132.59 ATOM 170 NH1 ARG C 22 77.028 4.680 57.627 1.00133.36 ATOM 171 NH2 ARG C 22 75.223 3.867 56.474 1.00138.99 ATOM 172 N HIS C 23 75.812 7.947 53.372 1.00114.66 ATOM 173 CA HIS C 23 74.964 7.706 52.206 1.00109.34 ATOM 174 C HIS C 23 74.979 8.870 51.213 1.00104.66 ATOM 175 O HIS C 23 74.928 8.633 50.007 1.00109.25 ATOM 176 CB HIS C 23 73.529 7.383 52.655 1.00 90.99 ATOM 177 CG HIS C 23 72.530 7.307 51.542 1.00 90.76 ATOM 178 ND1 HIS C 23 72.516 6.245 50.659 1.00110.37 ATOM 179 CD2 HIS C 23 71.549 8.173 51.203 1.00 92.37 ATOM 180 CE1 HIS C 23 71.527 6.494 49.815 1.00118.67 ATOM 181 NE2 HIS C 23 70.915 7.643 50.105 1.00106.87 ATOM 182 N ILE C 24 75.049 10.117 51.704 1.00103.47 ATOM 183 CA ILE C 24 75.085 11.278 50.813 1.00110.69 ATOM 184 C ILE C 24 76.409 11.351 50.033 1.00116.61 ATOM 185 O ILE C 24 76.421 11.819 48.896 1.00125.68 ATOM 186 CB ILE C 24 74.733 12.601 51.537 1.00100.39 ATOM 187 CG1 ILE C 24 75.652 12.862 52.740 1.00102.30 ATOM 188 CG2 ILE C 24 73.268 12.611 51.957 1.00 93.68 ATOM 189 CD1 ILE C 24 76.701 13.929 52.510 1.00113.07 ATOM 190 N LYS C 25 77.509 10.849 50.620 1.00111.25 ATOM 191 CA LYS C 25 78.805 10.798 49.949 1.00115.25 ATOM 192 C LYS C 25 78.834 9.767 48.814 1.00125.09 ATOM 193 O LYS C 25 79.656 9.889 47.909 1.00130.27 ATOM 194 CB LYS C 25 79.926 10.517 50.957 1.00116.99 ATOM 195 CG LYS C 25 80.092 11.625 51.978 1.00112.91 ATOM 196 CD LYS C 25 81.047 11.225 53.088 1.00126.01 ATOM 197 CE LYS C 25 81.258 12.347 54.075 1.00131.28 ATOM 198 NZ LYS C 25 79.969 12.860 54.613 1.00120.98 ATOM 199 N LEU C 26 77.948 8.759 48.855 1.00126.49 ATOM 200 CA LEU C 26 77.845 7.732 47.821 1.00129.65 ATOM 201 C LEU C 26 77.304 8.326 46.517 1.00133.27 ATOM 202 O LEU C 26 77.698 7.885 45.439 1.00139.48 ATOM 203 CB LEU C 26 76.937 6.588 48.304 1.00122.92 ATOM 204 CG LEU C 26 77.578 5.418 49.067 1.00121.72 ATOM 205 CD1 LEU C 26 78.282 4.458 48.128 1.00119.62 ATOM 206 CD2 LEU C 26 78.533 5.850 50.150 1.00113.97 ATOM 207 N HIS C 27 76.411 9.330 46.611 1.00126.34 ATOM 208 CA HIS C 27 75.868 10.006 45.435 1.00125.49 ATOM 209 C HIS C 27 76.923 10.884 44.751 1.00137.59 ATOM 210 O HIS C 27 76.857 11.081 43.540 1.00137.56 ATOM 211 CB HIS C 27 74.651 10.867 45.805 1.00118.72 ATOM 212 CG HIS C 27 73.617 10.159 46.616 1.00108.11 ATOM 213 ND1 HIS C 27 72.857 9.134 46.083 1.00107.29 ATOM 214 CD2 HIS C 27 73.220 10.384 47.889 1.00102.94 ATOM 215 CE1 HIS C 27 72.041 8.754 47.053 1.00105.14 ATOM 216 NE2 HIS C 27 72.224 9.477 48.159 1.00 99.99 ATOM 217 N SER C 28 77.878 11.425 45.526 1.00142.00 ATOM 218 CA SER C 28 78.940 12.278 45.007 1.00150.97 ATOM 219 C SER C 28 79.879 11.497 44.077 1.00159.95 ATOM 220 O SER C 28 80.341 12.035 43.072 1.00164.69 ATOM 221 CB SER C 28 79.737 12.875 46.159 1.00145.51 ATOM 222 OG SER C 28 80.370 11.829 46.867 1.00140.39 ATOM 223 N GLY C 29 80.149 10.241 44.423 1.00160.25 ATOM 224 CA GLY C 29 81.009 9.364 43.638 1.00158.48 ATOM 225 C GLY C 29 82.470 9.762 43.648 1.00157.93 ATOM 226 O GLY C 29 83.161 9.635 42.634 1.00151.72 TER