HEADER LIGASE 04-OCT-13 4CA1 TITLE Crystal structure of Siah1 at 1.58 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. 1.58 ANGSTORMS DBREF 4CA1 B 91 282 UNP Q8IUQ4 SIAH1_HUMAN 91 282 SEQRES 1 B 33 ALA ASN SER VAL LEU PHE PRO CYS LYS TYR ALA SER SER SEQRES 2 B 33 GLY CYS GLU ILE THR LEU PRO HIS THR GLU LYS ALA ASP SEQRES 3 B 33 HIS GLU GLU LEU CYS GLU PHE ATOM 1 N ALA B 4 73.018 69.935 21.031 1.00 69.71 ATOM 2 CA ALA B 4 73.633 71.096 21.738 1.00 77.23 ATOM 3 C ALA B 4 72.654 71.767 22.746 1.00 63.22 ATOM 4 O ALA B 4 72.452 71.278 23.903 1.00 62.48 ATOM 5 CB ALA B 4 74.127 72.112 20.709 1.00 87.36 ATOM 6 N ASN B 5 72.101 72.910 22.322 1.00 50.10 ATOM 7 CA ASN B 5 70.950 73.536 23.022 1.00 49.38 ATOM 8 C ASN B 5 69.781 72.620 22.829 1.00 43.61 ATOM 9 O ASN B 5 69.591 72.077 21.721 1.00 60.30 ATOM 10 CB ASN B 5 70.508 74.867 22.388 1.00 47.99 ATOM 11 CG ASN B 5 71.408 75.996 22.672 1.00 59.29 ATOM 12 OD1 ASN B 5 71.662 76.315 23.833 1.00 43.02 ATOM 13 ND2 ASN B 5 71.827 76.682 21.616 1.00 64.37 ATOM 14 N SER B 6 68.927 72.520 23.847 1.00 33.02 ATOM 15 CA SER B 6 67.994 71.430 23.876 1.00 33.39 ATOM 16 C SER B 6 66.805 71.716 24.792 1.00 27.33 ATOM 17 O SER B 6 66.917 72.463 25.780 1.00 24.92 ATOM 18 CB SER B 6 68.711 70.179 24.350 1.00 45.17 ATOM 19 OG SER B 6 68.311 69.075 23.572 1.00 52.46 ATOM 20 N VAL B 7 65.674 71.166 24.430 1.00 27.35 ATOM 21 CA VAL B 7 64.445 71.348 25.209 1.00 25.97 ATOM 22 C VAL B 7 64.237 69.994 25.844 1.00 26.18 ATOM 23 O VAL B 7 64.278 68.975 25.182 1.00 26.58 ATOM 24 CB VAL B 7 63.233 71.731 24.352 1.00 27.77 ATOM 25 CG1 VAL B 7 62.029 71.793 25.280 1.00 30.80 ATOM 26 CG2 VAL B 7 63.430 73.118 23.742 1.00 28.95 ATOM 27 N LEU B 8 64.139 69.978 27.180 1.00 23.03 ATOM 28 CA LEU B 8 64.052 68.691 27.865 1.00 24.41 ATOM 29 C LEU B 8 62.602 68.413 28.332 1.00 23.90 ATOM 30 O LEU B 8 61.866 69.335 28.687 1.00 25.49 ATOM 31 CB LEU B 8 64.885 68.751 29.132 1.00 23.06 ATOM 32 CG LEU B 8 66.401 69.039 28.946 1.00 25.06 ATOM 33 CD1 LEU B 8 67.099 69.003 30.308 1.00 28.86 ATOM 34 CD2 LEU B 8 66.930 67.998 27.972 1.00 29.22 ATOM 35 N PHE B 9 62.273 67.142 28.303 1.00 24.96 ATOM 36 CA PHE B 9 60.935 66.670 28.657 1.00 25.91 ATOM 37 C PHE B 9 61.026 65.635 29.773 1.00 28.31 ATOM 38 O PHE B 9 61.978 64.879 29.832 1.00 26.08 ATOM 39 CB PHE B 9 60.264 66.003 27.435 1.00 28.02 ATOM 40 CG PHE B 9 60.011 66.958 26.325 1.00 31.79 ATOM 41 CD1 PHE B 9 61.011 67.270 25.387 1.00 30.83 ATOM 42 CD2 PHE B 9 58.871 67.706 26.322 1.00 33.03 ATOM 43 CE1 PHE B 9 60.787 68.235 24.395 1.00 34.62 ATOM 44 CE2 PHE B 9 58.663 68.701 25.348 1.00 38.86 ATOM 45 CZ PHE B 9 59.614 68.946 24.381 1.00 37.24 ATOM 46 N PRO B 10 60.002 65.595 30.637 1.00 28.96 ATOM 47 CA PRO B 10 60.020 64.594 31.699 1.00 28.58 ATOM 48 C PRO B 10 59.620 63.242 31.106 1.00 27.90 ATOM 49 O PRO B 10 58.899 63.150 30.085 1.00 30.49 ATOM 50 CB PRO B 10 58.896 65.091 32.645 1.00 31.44 ATOM 51 CG PRO B 10 57.917 65.776 31.699 1.00 32.00 ATOM 52 CD PRO B 10 58.809 66.495 30.718 1.00 31.88 ATOM 53 N CYS B 11 60.131 62.203 31.733 1.00 27.79 ATOM 54 CA CYS B 11 59.691 60.846 31.397 1.00 27.06 ATOM 55 C CYS B 11 58.164 60.745 31.632 1.00 32.22 ATOM 56 O CYS B 11 57.634 61.338 32.578 1.00 29.35 ATOM 57 CB CYS B 11 60.410 59.919 32.352 1.00 27.67 ATOM 58 SG CYS B 11 59.814 58.205 32.291 1.00 30.90 ATOM 59 N LYS B 12 57.465 59.955 30.839 1.00 33.44 ATOM 60 CA LYS B 12 56.009 59.817 31.093 1.00 35.92 ATOM 61 C LYS B 12 55.630 59.198 32.466 1.00 38.18 ATOM 62 O LYS B 12 54.463 59.279 32.890 1.00 40.19 ATOM 63 CB LYS B 12 55.316 59.086 29.930 1.00 46.24 ATOM 64 CG LYS B 12 55.525 57.575 29.954 1.00 44.23 ATOM 65 CD LYS B 12 54.784 56.883 28.814 1.00 53.68 ATOM 66 CE LYS B 12 53.291 56.879 29.108 1.00 67.41 ATOM 67 NZ LYS B 12 52.489 56.117 28.115 1.00 72.57 ATOM 68 N TYR B 13 56.583 58.554 33.137 1.00 34.91 ATOM 69 CA TYR B 13 56.325 57.994 34.478 1.00 36.45 ATOM 70 C TYR B 13 56.784 58.918 35.616 1.00 32.65 ATOM 71 O TYR B 13 56.979 58.443 36.743 1.00 35.41 ATOM 72 CB TYR B 13 56.935 56.572 34.617 1.00 36.06 ATOM 73 CG TYR B 13 56.564 55.711 33.423 1.00 35.89 ATOM 74 CD1 TYR B 13 55.211 55.521 33.062 1.00 34.04 ATOM 75 CD2 TYR B 13 57.556 55.071 32.645 1.00 36.42 ATOM 76 CE1 TYR B 13 54.863 54.723 31.959 1.00 35.60 ATOM 77 CE2 TYR B 13 57.206 54.298 31.535 1.00 39.69 ATOM 78 CZ TYR B 13 55.861 54.118 31.198 1.00 39.72 ATOM 79 OH TYR B 13 55.535 53.335 30.106 1.00 44.57 ATOM 80 N ALA B 14 56.955 60.223 35.335 1.00 31.78 ATOM 81 CA ALA B 14 57.350 61.134 36.399 1.00 38.82 ATOM 82 C ALA B 14 56.389 61.089 37.611 1.00 37.24 ATOM 83 O ALA B 14 56.814 61.217 38.762 1.00 39.43 ATOM 84 CB ALA B 14 57.453 62.568 35.862 1.00 35.70 ATOM 85 N SER B 15 55.100 60.899 37.321 0.70 41.86 ATOM 86 CA SER B 15 54.048 60.881 38.325 0.70 46.52 ATOM 87 C SER B 15 54.193 59.666 39.241 0.70 52.08 ATOM 88 O SER B 15 53.699 59.667 40.378 0.70 50.06 ATOM 89 CB SER B 15 52.671 60.891 37.630 0.70 51.50 ATOM 90 OG SER B 15 52.615 59.930 36.571 0.70 48.52 ATOM 91 N SER B 16 54.880 58.637 38.742 1.00 45.78 ATOM 92 CA SER B 16 55.163 57.443 39.519 1.00 47.78 ATOM 93 C SER B 16 56.549 57.510 40.128 1.00 43.76 ATOM 94 O SER B 16 56.992 56.514 40.671 1.00 42.08 ATOM 95 CB SER B 16 55.050 56.160 38.672 1.00 44.62 ATOM 96 OG SER B 16 53.754 56.038 38.098 1.00 46.98 ATOM 97 N GLY B 17 57.239 58.651 40.025 1.00 40.58 ATOM 98 CA GLY B 17 58.556 58.842 40.718 1.00 41.26 ATOM 99 C GLY B 17 59.800 59.056 39.860 1.00 42.45 ATOM 100 O GLY B 17 60.907 59.349 40.407 1.00 48.39 ATOM 101 N CYS B 18 59.650 58.911 38.538 1.00 37.67 ATOM 102 CA CYS B 18 60.801 59.059 37.643 1.00 33.77 ATOM 103 C CYS B 18 61.180 60.526 37.497 1.00 35.27 ATOM 104 O CYS B 18 60.336 61.370 37.158 1.00 36.06 ATOM 105 CB CYS B 18 60.619 58.388 36.278 1.00 31.90 ATOM 106 SG CYS B 18 62.158 58.523 35.266 1.00 33.91 ATOM 107 N GLU B 19 62.454 60.806 37.780 1.00 32.64 ATOM 108 CA GLU B 19 62.960 62.174 37.733 1.00 37.13 ATOM 109 C GLU B 19 63.818 62.482 36.496 1.00 31.67 ATOM 110 O GLU B 19 64.389 63.549 36.427 1.00 35.66 ATOM 111 CB GLU B 19 63.771 62.480 38.996 1.00 37.93 ATOM 112 CG GLU B 19 63.063 62.177 40.317 1.00 50.04 ATOM 113 CD GLU B 19 63.979 62.468 41.498 1.00 64.47 ATOM 114 OE1 GLU B 19 64.334 63.657 41.681 1.00 60.56 ATOM 115 OE2 GLU B 19 64.391 61.521 42.228 1.00 74.00 ATOM 116 N ILE B 20 63.894 61.553 35.531 1.00 30.80 ATOM 117 CA ILE B 20 64.667 61.769 34.330 1.00 30.47 ATOM 118 C ILE B 20 63.980 62.818 33.462 1.00 27.71 ATOM 119 O ILE B 20 62.728 62.814 33.283 1.00 28.71 ATOM 120 CB ILE B 20 64.830 60.428 33.548 1.00 34.24 ATOM 121 CG1 ILE B 20 65.560 59.357 34.416 1.00 37.55 ATOM 122 CG2 ILE B 20 65.517 60.638 32.208 1.00 37.63 ATOM 123 CD1 ILE B 20 66.905 59.775 34.997 1.00 43.03 ATOM 124 N THR B 21 64.779 63.716 32.892 1.00 28.70 ATOM 125 CA THR B 21 64.318 64.665 31.872 1.00 29.34 ATOM 126 C THR B 21 65.277 64.574 30.674 1.00 31.59 ATOM 127 O THR B 21 66.509 64.469 30.855 1.00 30.95 ATOM 128 CB THR B 21 64.346 66.113 32.379 1.00 30.91 ATOM 129 OG1 THR B 21 65.706 66.408 32.759 1.00 32.81 ATOM 130 CG2 THR B 21 63.376 66.239 33.600 1.00 30.48 ATOM 131 N LEU B 22 64.734 64.556 29.471 1.00 30.33 ATOM 132 CA LEU B 22 65.605 64.272 28.363 1.00 33.98 ATOM 133 C LEU B 22 65.073 64.879 27.079 1.00 33.70 ATOM 134 O LEU B 22 63.883 65.260 26.990 1.00 28.47 ATOM 135 CB LEU B 22 65.802 62.776 28.262 1.00 38.33 ATOM 136 CG LEU B 22 64.672 61.779 28.108 1.00 47.05 ATOM 137 CD1 LEU B 22 65.263 60.382 28.348 1.00 44.61 ATOM 138 CD2 LEU B 22 63.471 62.020 29.017 1.00 53.34 ATOM 139 N PRO B 23 65.952 65.014 26.064 1.00 36.65 ATOM 140 CA PRO B 23 65.461 65.568 24.801 1.00 35.50 ATOM 141 C PRO B 23 64.453 64.606 24.229 1.00 38.30 ATOM 142 O PRO B 23 64.485 63.397 24.537 1.00 36.55 ATOM 143 CB PRO B 23 66.699 65.631 23.909 1.00 43.50 ATOM 144 CG PRO B 23 67.874 65.381 24.794 1.00 46.13 ATOM 145 CD PRO B 23 67.404 64.744 26.066 1.00 35.97 ATOM 146 N HIS B 24 63.555 65.143 23.421 1.00 39.31 ATOM 147 CA HIS B 24 62.421 64.389 22.942 1.00 47.44 ATOM 148 C HIS B 24 62.818 63.137 22.160 1.00 47.00 ATOM 149 O HIS B 24 62.203 62.072 22.329 1.00 52.57 ATOM 150 CB HIS B 24 61.523 65.278 22.106 1.00 50.13 ATOM 151 CG HIS B 24 60.112 64.807 22.078 1.00 54.56 ATOM 152 ND1 HIS B 24 59.657 63.905 21.138 1.00 57.10 ATOM 153 CD2 HIS B 24 59.069 65.059 22.905 1.00 53.79 ATOM 154 CE1 HIS B 24 58.378 63.654 21.359 1.00 69.66 ATOM 155 NE2 HIS B 24 57.998 64.342 22.424 1.00 69.92 ATOM 156 N THR B 25 63.889 63.248 21.369 1.00 50.32 ATOM 157 CA THR B 25 64.369 62.127 20.582 1.00 60.52 ATOM 158 C THR B 25 64.745 60.908 21.437 1.00 66.67 ATOM 159 O THR B 25 64.617 59.773 20.980 1.00 87.76 ATOM 160 CB THR B 25 65.545 62.523 19.680 1.00 60.73 ATOM 161 OG1 THR B 25 66.546 63.187 20.455 1.00 59.94 ATOM 162 CG2 THR B 25 65.048 63.419 18.512 1.00 67.17 ATOM 163 N GLU B 26 65.176 61.115 22.685 1.00 57.38 ATOM 164 CA GLU B 26 65.541 59.941 23.480 1.00 56.17 ATOM 165 C GLU B 26 64.526 59.482 24.545 1.00 52.91 ATOM 166 O GLU B 26 64.736 58.493 25.274 1.00 51.97 ATOM 167 CB GLU B 26 66.986 60.020 23.976 1.00 64.74 ATOM 168 CG GLU B 26 67.260 60.942 25.131 1.00 65.52 ATOM 169 CD GLU B 26 68.654 61.537 25.053 1.00 73.99 ATOM 170 OE1 GLU B 26 69.101 61.886 23.937 1.00 92.09 ATOM 171 OE2 GLU B 26 69.301 61.654 26.108 1.00 71.58 ATOM 172 N LYS B 27 63.408 60.199 24.582 1.00 42.23 ATOM 173 CA LYS B 27 62.317 59.954 25.510 1.00 47.00 ATOM 174 C LYS B 27 61.743 58.543 25.346 1.00 47.04 ATOM 175 O LYS B 27 61.655 57.825 26.319 1.00 49.16 ATOM 176 CB LYS B 27 61.238 61.016 25.289 1.00 46.94 ATOM 177 CG LYS B 27 60.351 61.338 26.479 1.00 49.44 ATOM 178 CD LYS B 27 59.477 62.547 26.128 1.00 39.61 ATOM 179 CE LYS B 27 58.019 62.399 26.567 1.00 48.41 ATOM 180 NZ LYS B 27 57.761 61.979 27.993 1.00 37.86 ATOM 181 N ALA B 28 61.390 58.137 24.117 1.00 56.83 ATOM 182 CA ALA B 28 60.839 56.796 23.871 1.00 61.43 ATOM 183 C ALA B 28 61.791 55.675 24.310 1.00 57.94 ATOM 184 O ALA B 28 61.335 54.683 24.917 1.00 71.79 ATOM 185 CB ALA B 28 60.369 56.618 22.404 1.00 54.51 ATOM 186 N ASP B 29 63.094 55.846 24.019 1.00 62.67 ATOM 187 CA ASP B 29 64.146 54.850 24.342 1.00 62.27 ATOM 188 C ASP B 29 64.217 54.667 25.861 1.00 62.78 ATOM 189 O ASP B 29 64.314 53.536 26.351 1.00 61.82 ATOM 190 CB ASP B 29 65.526 55.282 23.785 1.00 75.25 ATOM 191 CG ASP B 29 65.805 54.777 22.345 1.00 72.63 ATOM 192 OD1 ASP B 29 64.921 54.174 21.697 1.00 77.06 ATOM 193 OD2 ASP B 29 66.931 55.000 21.849 1.00 75.01 ATOM 194 N HIS B 30 64.135 55.773 26.612 1.00 58.65 ATOM 195 CA HIS B 30 64.129 55.675 28.076 1.00 45.41 ATOM 196 C HIS B 30 62.890 55.000 28.615 1.00 45.03 ATOM 197 O HIS B 30 62.974 54.134 29.492 1.00 45.61 ATOM 198 CB HIS B 30 64.245 57.025 28.750 1.00 42.91 ATOM 199 CG HIS B 30 63.950 56.982 30.215 1.00 43.15 ATOM 200 ND1 HIS B 30 64.861 56.525 31.142 1.00 42.89 ATOM 201 CD2 HIS B 30 62.839 57.323 30.915 1.00 40.79 ATOM 202 CE1 HIS B 30 64.336 56.610 32.353 1.00 43.53 ATOM 203 NE2 HIS B 30 63.112 57.094 32.247 1.00 38.89 ATOM 204 N GLU B 31 61.733 55.414 28.103 1.00 47.32 ATOM 205 CA GLU B 31 60.471 55.005 28.674 1.00 44.81 ATOM 206 C GLU B 31 60.206 53.513 28.489 1.00 46.50 ATOM 207 O GLU B 31 59.543 52.886 29.322 1.00 55.49 ATOM 208 CB GLU B 31 59.336 55.824 28.098 1.00 42.16 ATOM 209 CG GLU B 31 59.423 57.263 28.581 1.00 40.38 ATOM 210 CD GLU B 31 58.535 58.245 27.818 1.00 42.14 ATOM 211 OE1 GLU B 31 58.044 57.942 26.661 1.00 45.51 ATOM 212 OE2 GLU B 31 58.328 59.335 28.406 1.00 40.15 ATOM 213 N GLU B 32 60.740 52.951 27.410 1.00 52.57 ATOM 214 CA GLU B 32 60.595 51.522 27.153 1.00 52.88 ATOM 215 C GLU B 32 61.293 50.656 28.223 1.00 58.12 ATOM 216 O GLU B 32 60.812 49.573 28.545 1.00 70.94 ATOM 217 CB GLU B 32 61.012 51.207 25.709 1.00 58.38 ATOM 218 CG GLU B 32 61.948 50.035 25.473 1.00 72.69 ATOM 219 CD GLU B 32 62.797 50.253 24.243 1.00 85.16 ATOM 220 OE1 GLU B 32 63.730 51.089 24.301 1.00100.99 ATOM 221 OE2 GLU B 32 62.517 49.601 23.214 1.00103.58 ATOM 222 N LEU B 33 62.393 51.145 28.786 1.00 56.72 ATOM 223 CA LEU B 33 63.077 50.403 29.866 1.00 55.74 ATOM 224 C LEU B 33 62.927 51.023 31.259 1.00 49.79 ATOM 225 O LEU B 33 63.535 50.525 32.196 1.00 59.89 ATOM 226 CB LEU B 33 64.567 50.179 29.551 1.00 69.69 ATOM 227 CG LEU B 33 64.999 49.174 28.458 1.00 77.28 ATOM 228 CD1 LEU B 33 63.944 48.113 28.153 1.00 75.84 ATOM 229 CD2 LEU B 33 65.381 49.908 27.184 1.00 84.09 ATOM 230 N CYS B 34 62.155 52.104 31.402 1.00 53.06 ATOM 231 CA CYS B 34 61.975 52.734 32.702 1.00 48.54 ATOM 232 C CYS B 34 61.246 51.886 33.747 1.00 47.45 ATOM 233 O CYS B 34 60.136 51.367 33.533 1.00 44.76 ATOM 234 CB CYS B 34 61.243 54.047 32.542 1.00 37.54 ATOM 235 SG CYS B 34 61.161 54.999 34.053 1.00 36.03 ATOM 236 N GLU B 35 61.865 51.808 34.909 1.00 45.17 ATOM 237 CA GLU B 35 61.421 50.913 35.976 1.00 45.99 ATOM 238 C GLU B 35 60.242 51.490 36.765 1.00 41.64 ATOM 239 O GLU B 35 59.635 50.786 37.580 1.00 43.33 ATOM 240 CB GLU B 35 62.602 50.543 36.916 1.00 50.84 ATOM 241 CG GLU B 35 63.592 51.675 37.224 1.00 72.81 ATOM 242 CD GLU B 35 64.504 52.004 36.046 1.00 77.61 ATOM 243 OE1 GLU B 35 65.203 51.065 35.584 1.00 81.89 ATOM 244 OE2 GLU B 35 64.487 53.178 35.563 1.00 64.60 ATOM 245 N PHE B 36 59.918 52.768 36.528 1.00 40.06 ATOM 246 CA PHE B 36 58.811 53.411 37.222 1.00 35.41 ATOM 247 C PHE B 36 57.469 53.202 36.554 1.00 38.15 ATOM 248 O PHE B 36 56.444 53.662 37.088 1.00 38.62 ATOM 249 CB PHE B 36 59.098 54.933 37.374 1.00 34.31 ATOM 250 CG PHE B 36 60.175 55.219 38.355 1.00 38.67 ATOM 251 CD1 PHE B 36 59.890 55.257 39.724 1.00 40.10 ATOM 252 CD2 PHE B 36 61.483 55.388 37.935 1.00 37.07 ATOM 253 CE1 PHE B 36 60.887 55.494 40.640 1.00 46.19 ATOM 254 CE2 PHE B 36 62.492 55.640 38.870 1.00 48.23 ATOM 255 CZ PHE B 36 62.185 55.684 40.217 1.00 46.70 TER