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