HEADER LIGASE 04-OCT-13 4C9Z TITLE Crystal structure of Siah1 at 1.95 A resolution COMPND MOL_ID: 1; COMPND 2 MOLECULE: E3 UBIQUITIN-PROTEIN LIGASE SIAH1; COMPND 3 CHAIN: A, B; COMPND 4 EC: 6.3.2.-; COMPND 5 FRAGMENT: TWO ZINC FINGERS AND SUBSTRATE BINDING DOMAIN, RESIDUES ; COMPND 6 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.95 ANGSTORMS DBREF 4C9Z B 91 282 UNP Q8IUQ4 SIAH1_HUMAN 91 282 SEQRES 1 B 30 ARG PRO TYR SER CYS PRO CYS PRO GLY ALA SER CYS LYS SEQRES 2 B 30 TRP GLN GLY SER LEU ASP ALA VAL MET PRO HIS LEU MET SEQRES 3 B 30 HIS GLN HIS LYS ATOM 1 N ARG B 124 50.843 52.183 29.548 1.00 70.12 ATOM 2 CA ARG B 124 49.621 51.740 30.205 1.00 70.22 ATOM 3 C ARG B 124 49.938 51.338 31.650 1.00 68.80 ATOM 4 O ARG B 124 50.916 50.631 31.897 1.00 66.61 ATOM 5 CB ARG B 124 49.003 50.555 29.454 1.00 72.14 ATOM 6 CG ARG B 124 47.713 50.028 30.056 1.00 76.84 ATOM 7 CD ARG B 124 47.145 48.888 29.238 1.00 86.58 ATOM 8 NE ARG B 124 45.796 48.543 29.682 1.00 94.32 ATOM 9 CZ ARG B 124 44.963 47.742 29.024 1.00 99.61 ATOM 10 NH1 ARG B 124 45.328 47.183 27.877 1.00104.29 ATOM 11 NH2 ARG B 124 43.755 47.500 29.517 1.00101.61 ATOM 12 N PRO B 125 49.128 51.819 32.610 1.00 68.87 ATOM 13 CA PRO B 125 49.266 51.365 33.985 1.00 69.00 ATOM 14 C PRO B 125 48.982 49.873 34.100 1.00 68.22 ATOM 15 O PRO B 125 48.150 49.339 33.355 1.00 66.35 ATOM 16 CB PRO B 125 48.175 52.151 34.727 1.00 72.01 ATOM 17 CG PRO B 125 47.223 52.610 33.661 1.00 72.31 ATOM 18 CD PRO B 125 48.093 52.860 32.478 1.00 71.37 ATOM 19 N TYR B 126 49.697 49.211 35.008 1.00 65.70 ATOM 20 CA TYR B 126 49.315 47.889 35.460 1.00 64.40 ATOM 21 C TYR B 126 48.198 48.094 36.476 1.00 65.10 ATOM 22 O TYR B 126 48.406 48.723 37.515 1.00 66.14 ATOM 23 CB TYR B 126 50.506 47.172 36.089 1.00 63.53 ATOM 24 CG TYR B 126 51.455 46.563 35.086 1.00 63.89 ATOM 25 CD1 TYR B 126 52.451 47.327 34.478 1.00 64.96 ATOM 26 CD2 TYR B 126 51.363 45.209 34.754 1.00 64.03 ATOM 27 CE1 TYR B 126 53.328 46.766 33.553 1.00 66.39 ATOM 28 CE2 TYR B 126 52.240 44.627 33.837 1.00 65.50 ATOM 29 CZ TYR B 126 53.218 45.410 33.238 1.00 68.00 ATOM 30 OH TYR B 126 54.082 44.832 32.331 1.00 69.28 ATOM 31 N SER B 127 47.003 47.610 36.145 1.00 66.23 ATOM 32 CA SER B 127 45.864 47.684 37.055 1.00 67.99 ATOM 33 C SER B 127 45.812 46.417 37.889 1.00 67.50 ATOM 34 O SER B 127 46.426 45.407 37.525 1.00 66.05 ATOM 35 CB SER B 127 44.555 47.857 36.275 1.00 70.61 ATOM 36 OG SER B 127 44.577 49.039 35.489 1.00 70.90 ATOM 37 N CYS B 128 45.086 46.465 39.006 1.00 69.17 ATOM 38 CA CYS B 128 44.893 45.272 39.825 1.00 69.00 ATOM 39 C CYS B 128 44.294 44.206 38.913 1.00 69.88 ATOM 40 O CYS B 128 43.203 44.403 38.375 1.00 73.02 ATOM 41 CB CYS B 128 43.971 45.570 41.010 1.00 72.03 ATOM 42 SG CYS B 128 43.563 44.153 42.022 1.00 74.55 ATOM 43 N PRO B 129 45.021 43.091 38.706 1.00 67.90 ATOM 44 CA PRO B 129 44.611 42.112 37.704 1.00 70.17 ATOM 45 C PRO B 129 43.440 41.237 38.146 1.00 75.51 ATOM 46 O PRO B 129 42.866 40.531 37.320 1.00 81.93 ATOM 47 CB PRO B 129 45.870 41.257 37.530 1.00 67.08 ATOM 48 CG PRO B 129 46.513 41.281 38.865 1.00 64.46 ATOM 49 CD PRO B 129 46.256 42.674 39.402 1.00 64.84 ATOM 50 N CYS B 130 43.110 41.268 39.435 1.00 76.67 ATOM 51 CA CYS B 130 42.023 40.463 39.972 1.00 85.42 ATOM 52 C CYS B 130 40.662 41.005 39.486 1.00 90.83 ATOM 53 O CYS B 130 40.397 42.203 39.592 1.00 90.92 ATOM 54 CB CYS B 130 42.121 40.396 41.503 1.00 87.08 ATOM 55 SG CYS B 130 40.595 39.893 42.360 1.00114.71 ATOM 56 N PRO B 131 39.821 40.129 38.902 1.00 96.34 ATOM 57 CA PRO B 131 38.536 40.554 38.349 1.00107.74 ATOM 58 C PRO B 131 37.393 40.537 39.368 1.00114.48 ATOM 59 O PRO B 131 37.436 39.768 40.327 1.00117.09 ATOM 60 CB PRO B 131 38.279 39.521 37.250 1.00110.84 ATOM 61 CG PRO B 131 38.944 38.290 37.732 1.00102.78 ATOM 62 CD PRO B 131 40.094 38.709 38.617 1.00 97.52 ATOM 63 N GLY B 132 36.393 41.394 39.186 1.00123.31 ATOM 64 CA GLY B 132 36.401 42.462 38.188 1.00126.37 ATOM 65 C GLY B 132 35.880 43.718 38.859 1.00131.32 ATOM 66 O GLY B 132 35.777 44.786 38.239 1.00131.40 ATOM 67 N ALA B 133 35.544 43.562 40.140 1.00135.31 ATOM 68 CA ALA B 133 35.056 44.642 40.992 1.00139.94 ATOM 69 C ALA B 133 35.357 44.317 42.466 1.00139.35 ATOM 70 O ALA B 133 35.440 43.142 42.839 1.00138.64 ATOM 71 CB ALA B 133 33.547 44.868 40.770 1.00150.21 ATOM 72 N SER B 134 35.586 45.342 43.291 1.00139.26 ATOM 73 CA SER B 134 35.777 46.719 42.830 1.00137.57 ATOM 74 C SER B 134 37.093 47.286 43.368 1.00128.91 ATOM 75 O SER B 134 37.102 48.264 44.133 1.00132.89 ATOM 76 CB SER B 134 34.578 47.616 43.202 1.00148.90 ATOM 77 OG SER B 134 34.426 47.717 44.612 1.00158.57 ATOM 78 N CYS B 135 38.202 46.655 42.972 1.00117.62 ATOM 79 CA CYS B 135 39.521 47.172 43.293 1.00107.39 ATOM 80 C CYS B 135 39.944 48.153 42.210 1.00103.43 ATOM 81 O CYS B 135 39.855 47.830 41.018 1.00101.92 ATOM 82 CB CYS B 135 40.533 46.033 43.393 1.00103.58 ATOM 83 SG CYS B 135 41.881 46.392 44.526 1.00 98.58 ATOM 84 N LYS B 136 40.393 49.355 42.624 1.00102.29 ATOM 85 CA LYS B 136 40.793 50.401 41.672 1.00101.74 ATOM 86 C LYS B 136 42.277 50.740 41.812 1.00 97.59 ATOM 87 O LYS B 136 42.740 51.783 41.335 1.00 95.95 ATOM 88 CB LYS B 136 39.936 51.663 41.841 1.00106.57 ATOM 89 CG LYS B 136 39.986 52.610 40.629 1.00107.11 ATOM 90 CD LYS B 136 39.551 54.031 40.956 1.00109.90 ATOM 91 CE LYS B 136 38.183 54.334 40.362 1.00108.08 ATOM 92 NZ LYS B 136 37.906 55.800 40.396 1.00116.38 ATOM 93 N TRP B 137 43.012 49.853 42.475 1.00 94.55 ATOM 94 CA TRP B 137 44.451 49.995 42.643 1.00 92.78 ATOM 95 C TRP B 137 45.165 49.946 41.301 1.00 89.02 ATOM 96 O TRP B 137 44.767 49.212 40.399 1.00 89.30 ATOM 97 CB TRP B 137 44.974 48.887 43.557 1.00 89.63 ATOM 98 CG TRP B 137 46.471 48.835 43.745 1.00 87.35 ATOM 99 CD1 TRP B 137 47.177 49.336 44.799 1.00 91.98 ATOM 100 CD2 TRP B 137 47.437 48.210 42.877 1.00 79.65 ATOM 101 NE1 TRP B 137 48.520 49.072 44.641 1.00 85.69 ATOM 102 CE2 TRP B 137 48.707 48.388 43.469 1.00 75.71 ATOM 103 CE3 TRP B 137 47.351 47.525 41.655 1.00 70.23 ATOM 104 CZ2 TRP B 137 49.883 47.911 42.880 1.00 75.07 ATOM 105 CZ3 TRP B 137 48.523 47.054 41.068 1.00 65.62 ATOM 106 CH2 TRP B 137 49.771 47.247 41.683 1.00 65.56 ATOM 107 N GLN B 138 46.216 50.750 41.185 1.00 89.90 ATOM 108 CA GLN B 138 47.136 50.714 40.056 1.00 87.41 ATOM 109 C GLN B 138 48.551 50.918 40.593 1.00 87.32 ATOM 110 O GLN B 138 48.736 51.476 41.674 1.00 90.37 ATOM 111 CB GLN B 138 46.775 51.787 39.021 1.00 88.34 ATOM 112 CG GLN B 138 45.548 51.440 38.173 1.00 88.88 ATOM 113 CD GLN B 138 45.142 52.536 37.198 1.00 93.49 ATOM 114 OE1 GLN B 138 45.700 53.635 37.195 1.00 97.47 ATOM 115 NE2 GLN B 138 44.157 52.234 36.362 1.00 92.90 ATOM 116 N GLY B 139 49.547 50.442 39.853 1.00 46.02 ATOM 117 CA GLY B 139 50.942 50.614 40.252 1.00 42.95 ATOM 118 C GLY B 139 51.874 49.998 39.228 1.00 40.76 ATOM 119 O GLY B 139 51.445 49.637 38.134 1.00 46.82 ATOM 120 N SER B 140 53.150 49.878 39.575 1.00 44.13 ATOM 121 CA SER B 140 54.121 49.292 38.657 1.00 44.24 ATOM 122 C SER B 140 54.079 47.763 38.736 1.00 41.72 ATOM 123 O SER B 140 53.472 47.202 39.654 1.00 37.87 ATOM 124 CB SER B 140 55.518 49.810 38.949 1.00 47.01 ATOM 125 OG SER B 140 55.916 49.435 40.249 1.00 52.81 ATOM 126 N LEU B 141 54.712 47.103 37.769 1.00 37.70 ATOM 127 CA LEU B 141 54.693 45.648 37.693 1.00 36.91 ATOM 128 C LEU B 141 55.190 45.001 38.984 1.00 36.71 ATOM 129 O LEU B 141 54.585 44.040 39.452 1.00 34.47 ATOM 130 CB LEU B 141 55.510 45.165 36.495 1.00 40.55 ATOM 131 CG LEU B 141 55.636 43.661 36.264 1.00 39.16 ATOM 132 CD1 LEU B 141 54.271 43.017 36.145 1.00 37.16 ATOM 133 CD2 LEU B 141 56.459 43.439 35.023 1.00 46.52 ATOM 134 N ASP B 142 56.273 45.540 39.556 1.00 39.21 ATOM 135 CA ASP B 142 56.823 44.986 40.792 0.50 38.80 ATOM 136 C ASP B 142 55.879 45.178 41.988 1.00 38.64 ATOM 137 O ASP B 142 56.025 44.525 43.012 1.00 38.26 ATOM 138 CB ASP B 142 58.248 45.513 41.079 0.50 39.79 ATOM 139 CG ASP B 142 58.308 47.023 41.231 0.50 39.25 ATOM 140 OD1 ASP B 142 57.244 47.679 41.237 0.50 36.00 ATOM 141 OD2 ASP B 142 59.431 47.559 41.349 0.50 37.60 ATOM 142 N ALA B 143 54.892 46.055 41.860 1.00 40.83 ATOM 143 CA ALA B 143 53.964 46.244 42.975 1.00 39.26 ATOM 144 C ALA B 143 52.741 45.295 42.928 1.00 33.40 ATOM 145 O ALA B 143 51.996 45.221 43.904 1.00 33.87 ATOM 146 CB ALA B 143 53.539 47.739 43.111 1.00 37.08 ATOM 147 N VAL B 144 52.567 44.558 41.824 1.00 29.87 ATOM 148 CA VAL B 144 51.355 43.740 41.601 1.00 28.37 ATOM 149 C VAL B 144 51.242 42.533 42.562 1.00 29.98 ATOM 150 O VAL B 144 50.232 42.369 43.251 1.00 27.67 ATOM 151 CB VAL B 144 51.200 43.278 40.118 1.00 28.66 ATOM 152 CG1 VAL B 144 49.998 42.330 39.957 1.00 28.31 ATOM 153 CG2 VAL B 144 51.013 44.487 39.184 1.00 30.19 ATOM 154 N MET B 145 52.269 41.695 42.614 1.00 29.51 ATOM 155 CA MET B 145 52.239 40.550 43.534 1.00 33.57 ATOM 156 C MET B 145 52.118 40.948 45.023 1.00 33.50 ATOM 157 O MET B 145 51.388 40.292 45.754 1.00 40.32 ATOM 158 CB MET B 145 53.418 39.601 43.300 1.00 30.50 ATOM 159 CG MET B 145 53.292 38.787 42.027 1.00 31.30 ATOM 160 SD MET B 145 51.933 37.603 42.115 1.00 37.56 ATOM 161 CE MET B 145 52.326 36.676 43.590 1.00 38.14 ATOM 162 N PRO B 146 52.809 42.019 45.474 1.00 38.98 ATOM 163 CA PRO B 146 52.573 42.412 46.878 1.00 37.79 ATOM 164 C PRO B 146 51.159 42.933 47.133 1.00 37.62 ATOM 165 O PRO B 146 50.603 42.737 48.223 1.00 34.55 ATOM 166 CB PRO B 146 53.590 43.532 47.105 1.00 41.13 ATOM 167 CG PRO B 146 54.696 43.210 46.151 1.00 43.28 ATOM 168 CD PRO B 146 54.005 42.693 44.927 1.00 36.14 ATOM 169 N HIS B 147 50.589 43.610 46.147 1.00 35.43 ATOM 170 CA HIS B 147 49.220 44.060 46.264 1.00 36.60 ATOM 171 C HIS B 147 48.281 42.854 46.421 1.00 35.42 ATOM 172 O HIS B 147 47.441 42.842 47.320 1.00 36.80 ATOM 173 CB HIS B 147 48.798 44.898 45.068 1.00 36.18 ATOM 174 CG HIS B 147 47.324 45.149 45.024 1.00 41.76 ATOM 175 ND1 HIS B 147 46.703 46.062 45.849 1.00 42.16 ATOM 176 CD2 HIS B 147 46.341 44.568 44.294 1.00 36.72 ATOM 177 CE1 HIS B 147 45.404 46.055 45.608 1.00 46.71 ATOM 178 NE2 HIS B 147 45.157 45.153 44.673 1.00 42.33 ATOM 179 N LEU B 148 48.429 41.852 45.558 1.00 31.46 ATOM 180 CA LEU B 148 47.590 40.653 45.649 1.00 33.62 ATOM 181 C LEU B 148 47.719 40.003 47.037 1.00 41.77 ATOM 182 O LEU B 148 46.716 39.631 47.649 1.00 39.67 ATOM 183 CB LEU B 148 47.900 39.666 44.515 1.00 32.21 ATOM 184 CG LEU B 148 47.614 40.147 43.080 1.00 25.74 ATOM 185 CD1 LEU B 148 48.028 39.118 42.014 1.00 30.27 ATOM 186 CD2 LEU B 148 46.131 40.540 42.895 1.00 28.79 ATOM 187 N MET B 149 48.956 39.927 47.538 1.00 43.50 ATOM 188 CA MET B 149 49.273 39.340 48.845 1.00 43.34 ATOM 189 C MET B 149 48.716 40.122 50.029 1.00 45.42 ATOM 190 O MET B 149 48.369 39.537 51.050 1.00 47.31 ATOM 191 CB MET B 149 50.794 39.185 48.999 1.00 44.95 ATOM 192 CG MET B 149 51.425 37.929 48.333 1.00 54.43 ATOM 193 SD MET B 149 50.562 37.155 46.936 1.00 77.50 ATOM 194 CE MET B 149 49.797 35.754 47.744 1.00 74.59 ATOM 195 N HIS B 150 48.645 41.443 49.901 1.00 44.07 ATOM 196 CA HIS B 150 48.168 42.280 50.992 1.00 47.29 ATOM 197 C HIS B 150 46.674 42.543 50.944 1.00 46.84 ATOM 198 O HIS B 150 46.054 42.751 51.986 1.00 49.59 ATOM 199 CB HIS B 150 48.898 43.624 51.011 1.00 47.93 ATOM 200 CG HIS B 150 50.344 43.523 51.384 1.00 57.69 ATOM 201 ND1 HIS B 150 51.354 43.995 50.576 1.00 62.25 ATOM 202 CD2 HIS B 150 50.950 43.010 52.483 1.00 67.04 ATOM 203 CE1 HIS B 150 52.520 43.771 51.156 1.00 61.83 ATOM 204 NE2 HIS B 150 52.304 43.174 52.314 1.00 58.38 ATOM 205 N GLN B 151 46.102 42.561 49.744 1.00 41.04 ATOM 206 CA GLN B 151 44.736 43.060 49.578 1.00 44.05 ATOM 207 C GLN B 151 43.777 42.012 49.034 1.00 44.66 ATOM 208 O GLN B 151 42.562 42.240 48.994 1.00 46.03 ATOM 209 CB GLN B 151 44.728 44.301 48.679 1.00 42.64 ATOM 210 CG GLN B 151 45.669 45.410 49.155 1.00 46.15 ATOM 211 CD GLN B 151 45.261 46.001 50.496 1.00 59.54 ATOM 212 OE1 GLN B 151 44.074 46.116 50.802 1.00 55.26 ATOM 213 NE2 GLN B 151 46.247 46.389 51.298 1.00 53.02 ATOM 214 N HIS B 152 44.322 40.873 48.612 1.00 38.71 ATOM 215 CA HIS B 152 43.514 39.822 47.991 1.00 38.13 ATOM 216 C HIS B 152 43.941 38.478 48.559 1.00 37.97 ATOM 217 O HIS B 152 44.269 37.543 47.830 1.00 32.51 ATOM 218 CB HIS B 152 43.615 39.903 46.459 1.00 36.05 ATOM 219 CG HIS B 152 43.113 41.203 45.898 1.00 36.52 ATOM 220 ND1 HIS B 152 41.824 41.369 45.437 1.00 39.43 ATOM 221 CD2 HIS B 152 43.717 42.407 45.757 1.00 38.78 ATOM 222 CE1 HIS B 152 41.656 42.618 45.036 1.00 48.15 ATOM 223 NE2 HIS B 152 42.787 43.274 45.226 1.00 35.97 ATOM 224 N LYS B 153 43.941 38.402 49.890 1.00 41.32 ATOM 225 CA LYS B 153 44.529 37.264 50.620 1.00 44.39 ATOM 226 C LYS B 153 43.819 35.936 50.375 1.00 45.66 ATOM 227 O LYS B 153 44.395 34.862 50.596 1.00 46.95 ATOM 228 CB LYS B 153 44.570 37.549 52.122 1.00 46.07 ATOM 229 CG LYS B 153 45.421 38.747 52.490 1.00 50.78 ATOM 230 CD LYS B 153 45.304 39.086 53.968 1.00 62.78 ATOM 231 CE LYS B 153 46.356 40.110 54.365 1.00 64.35 ATOM 232 NZ LYS B 153 46.096 40.685 55.717 1.00 74.56 ATOM 233 ZN ZN B 283 43.332 44.747 44.058 1.00 40.17 ATOM 234 S SO4 B1285 49.382 47.166 48.964 1.00 58.63 ATOM 235 O1 SO4 B1285 50.436 46.240 48.517 1.00 43.06 ATOM 236 O2 SO4 B1285 48.304 47.273 47.975 1.00 53.44 ATOM 237 O3 SO4 B1285 48.834 46.698 50.229 1.00 51.04 ATOM 238 O4 SO4 B1285 49.951 48.507 49.144 1.00 60.98 TER