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 A 91 282 UNP Q8IUQ4 SIAH1_HUMAN 91 282 SEQRES 1 A 30 ARG PRO TYR SER CYS PRO CYS PRO GLY ALA SER CYS LYS SEQRES 2 A 30 TRP GLN GLY SER LEU ASP ALA VAL MET PRO HIS LEU MET SEQRES 3 A 30 HIS GLN HIS LYS ATOM 1 N ARG A 37 14.391 -1.943 9.389 1.00 56.50 ATOM 2 CA ARG A 37 14.395 -0.787 10.270 1.00 54.78 ATOM 3 C ARG A 37 14.499 0.495 9.442 1.00 55.62 ATOM 4 O ARG A 37 15.408 0.623 8.623 1.00 55.92 ATOM 5 CB ARG A 37 15.544 -0.861 11.267 1.00 52.99 ATOM 6 CG ARG A 37 15.613 0.349 12.164 1.00 53.45 ATOM 7 CD ARG A 37 16.701 0.216 13.183 1.00 55.66 ATOM 8 NE ARG A 37 16.690 1.345 14.100 1.00 64.20 ATOM 9 CZ ARG A 37 17.537 1.492 15.110 1.00 65.41 ATOM 10 NH1 ARG A 37 18.464 0.572 15.335 1.00 63.25 ATOM 11 NH2 ARG A 37 17.453 2.556 15.898 1.00 59.86 ATOM 12 N PRO A 38 13.548 1.430 9.630 1.00 55.59 ATOM 13 CA PRO A 38 13.595 2.684 8.895 1.00 56.07 ATOM 14 C PRO A 38 14.553 3.705 9.524 1.00 51.03 ATOM 15 O PRO A 38 14.671 3.787 10.755 1.00 50.21 ATOM 16 CB PRO A 38 12.146 3.179 8.967 1.00 59.73 ATOM 17 CG PRO A 38 11.638 2.640 10.249 1.00 61.04 ATOM 18 CD PRO A 38 12.339 1.329 10.469 1.00 57.64 ATOM 19 N TYR A 39 15.233 4.455 8.664 1.00 49.31 ATOM 20 CA TYR A 39 16.113 5.557 9.058 1.00 47.40 ATOM 21 C TYR A 39 15.747 6.778 8.224 1.00 49.48 ATOM 22 O TYR A 39 15.557 6.662 7.012 1.00 50.81 ATOM 23 CB TYR A 39 17.582 5.192 8.795 1.00 43.91 ATOM 24 CG TYR A 39 18.169 4.213 9.780 1.00 43.39 ATOM 25 CD1 TYR A 39 18.021 2.839 9.599 1.00 40.79 ATOM 26 CD2 TYR A 39 18.881 4.656 10.892 1.00 44.47 ATOM 27 CE1 TYR A 39 18.558 1.937 10.500 1.00 41.55 ATOM 28 CE2 TYR A 39 19.429 3.747 11.804 1.00 33.37 ATOM 29 CZ TYR A 39 19.258 2.395 11.600 1.00 42.39 ATOM 30 OH TYR A 39 19.780 1.497 12.499 1.00 45.88 ATOM 31 N SER A 40 15.663 7.946 8.860 1.00 52.31 ATOM 32 CA SER A 40 15.426 9.205 8.135 1.00 52.54 ATOM 33 C SER A 40 16.698 9.650 7.405 1.00 49.27 ATOM 34 O SER A 40 17.784 9.141 7.684 1.00 46.06 ATOM 35 CB SER A 40 14.975 10.309 9.099 1.00 55.67 ATOM 36 OG SER A 40 13.947 9.856 9.961 1.00 59.20 ATOM 37 N CYS A 41 16.566 10.602 6.481 1.00 47.50 ATOM 38 CA CYS A 41 17.736 11.181 5.825 1.00 44.51 ATOM 39 C CYS A 41 18.528 12.003 6.831 1.00 40.44 ATOM 40 O CYS A 41 17.963 12.878 7.485 1.00 44.12 ATOM 41 CB CYS A 41 17.351 12.059 4.650 1.00 48.26 ATOM 42 SG CYS A 41 18.761 13.010 4.033 1.00 45.35 ATOM 43 N PRO A 42 19.833 11.722 6.958 1.00 35.75 ATOM 44 CA PRO A 42 20.643 12.358 8.009 1.00 35.13 ATOM 45 C PRO A 42 21.198 13.740 7.668 1.00 39.90 ATOM 46 O PRO A 42 21.785 14.392 8.532 1.00 40.26 ATOM 47 CB PRO A 42 21.775 11.343 8.232 1.00 36.22 ATOM 48 CG PRO A 42 21.982 10.713 6.859 1.00 32.64 ATOM 49 CD PRO A 42 20.565 10.632 6.268 1.00 35.44 ATOM 50 N CYS A 43 21.009 14.179 6.427 1.00 38.84 ATOM 51 CA CYS A 43 21.427 15.498 5.997 0.50 42.47 ATOM 52 C CYS A 43 20.634 16.560 6.782 1.00 45.08 ATOM 53 O CYS A 43 19.419 16.432 6.955 1.00 49.49 ATOM 54 CB CYS A 43 21.199 15.644 4.486 0.50 43.74 ATOM 55 SG CYS A 43 22.145 16.938 3.639 0.50 46.45 ATOM 56 N PRO A 44 21.329 17.587 7.280 1.00 45.27 ATOM 57 CA PRO A 44 20.543 18.654 7.883 1.00 54.36 ATOM 58 C PRO A 44 19.756 19.371 6.773 1.00 60.28 ATOM 59 O PRO A 44 20.303 19.611 5.690 1.00 59.43 ATOM 60 CB PRO A 44 21.605 19.570 8.503 1.00 55.32 ATOM 61 CG PRO A 44 22.872 19.246 7.800 1.00 49.43 ATOM 62 CD PRO A 44 22.782 17.790 7.449 1.00 41.38 ATOM 63 N GLY A 45 18.484 19.673 7.009 1.00 73.30 ATOM 64 CA GLY A 45 17.787 19.336 8.246 1.00 80.58 ATOM 65 C GLY A 45 16.371 18.874 7.964 1.00 87.91 ATOM 66 O GLY A 45 16.063 17.685 8.097 1.00 87.33 ATOM 67 N ALA A 46 15.518 19.813 7.554 1.00 95.66 ATOM 68 CA ALA A 46 14.078 19.553 7.384 1.00104.58 ATOM 69 C ALA A 46 13.625 19.415 5.924 1.00107.12 ATOM 70 O ALA A 46 12.476 19.047 5.654 1.00110.62 ATOM 71 CB ALA A 46 13.256 20.633 8.099 1.00113.28 ATOM 72 N SER A 47 14.535 19.710 4.997 1.00 66.91 ATOM 73 CA SER A 47 14.265 19.659 3.557 1.00 69.26 ATOM 74 C SER A 47 13.886 18.259 3.058 1.00 68.14 ATOM 75 O SER A 47 12.873 18.095 2.383 1.00 69.22 ATOM 76 CB SER A 47 15.480 20.186 2.778 1.00 68.96 ATOM 77 OG SER A 47 16.679 19.538 3.189 1.00 69.71 ATOM 78 N CYS A 48 14.695 17.259 3.405 1.00 64.51 ATOM 79 CA CYS A 48 14.523 15.902 2.878 1.00 62.02 ATOM 80 C CYS A 48 13.662 14.997 3.768 1.00 62.55 ATOM 81 O CYS A 48 13.888 14.877 4.978 1.00 61.97 ATOM 82 CB CYS A 48 15.884 15.246 2.623 1.00 54.83 ATOM 83 SG CYS A 48 15.761 13.764 1.623 1.00 47.94 ATOM 84 N LYS A 49 12.697 14.340 3.137 1.00 64.82 ATOM 85 CA LYS A 49 11.703 13.523 3.834 1.00 66.54 ATOM 86 C LYS A 49 11.911 12.019 3.601 1.00 64.74 ATOM 87 O LYS A 49 11.070 11.203 3.979 1.00 65.18 ATOM 88 CB LYS A 49 10.276 13.971 3.450 1.00 71.92 ATOM 89 CG LYS A 49 9.776 13.562 2.045 1.00 75.09 ATOM 90 CD LYS A 49 10.496 14.279 0.891 1.00 82.80 ATOM 91 CE LYS A 49 11.604 13.412 0.289 1.00 85.13 ATOM 92 NZ LYS A 49 12.355 14.114 -0.787 1.00 85.44 ATOM 93 N TRP A 50 13.044 11.664 2.993 1.00 60.96 ATOM 94 CA TRP A 50 13.395 10.264 2.730 1.00 57.44 ATOM 95 C TRP A 50 13.518 9.445 4.010 1.00 53.08 ATOM 96 O TRP A 50 13.970 9.944 5.044 1.00 52.39 ATOM 97 CB TRP A 50 14.701 10.179 1.946 1.00 53.10 ATOM 98 CG TRP A 50 15.169 8.776 1.626 1.00 54.38 ATOM 99 CD1 TRP A 50 14.814 8.025 0.546 1.00 55.34 ATOM 100 CD2 TRP A 50 16.095 7.973 2.388 1.00 49.70 ATOM 101 NE1 TRP A 50 15.450 6.803 0.585 1.00 51.67 ATOM 102 CE2 TRP A 50 16.243 6.747 1.701 1.00 50.96 ATOM 103 CE3 TRP A 50 16.803 8.169 3.587 1.00 44.24 ATOM 104 CZ2 TRP A 50 17.073 5.719 2.165 1.00 48.57 ATOM 105 CZ3 TRP A 50 17.634 7.139 4.051 1.00 42.20 ATOM 106 CH2 TRP A 50 17.763 5.929 3.328 1.00 31.71 ATOM 107 N GLN A 51 13.096 8.188 3.906 1.00 56.59 ATOM 108 CA GLN A 51 13.213 7.189 4.951 1.00 57.24 ATOM 109 C GLN A 51 13.584 5.874 4.277 1.00 55.51 ATOM 110 O GLN A 51 13.128 5.594 3.174 1.00 56.00 ATOM 111 CB GLN A 51 11.881 7.019 5.681 1.00 63.90 ATOM 112 CG GLN A 51 11.617 8.035 6.786 1.00 69.82 ATOM 113 CD GLN A 51 10.357 7.709 7.577 1.00 84.18 ATOM 114 OE1 GLN A 51 10.106 6.552 7.926 1.00 87.90 ATOM 115 NE2 GLN A 51 9.558 8.731 7.864 1.00 89.26 ATOM 116 N GLY A 52 14.411 5.074 4.942 1.00 52.28 ATOM 117 CA GLY A 52 14.895 3.807 4.380 1.00 47.40 ATOM 118 C GLY A 52 15.816 3.067 5.333 1.00 42.61 ATOM 119 O GLY A 52 16.019 3.498 6.477 1.00 37.56 ATOM 120 N SER A 53 16.369 1.952 4.857 1.00 41.97 ATOM 121 CA SER A 53 17.243 1.092 5.660 1.00 43.08 ATOM 122 C SER A 53 18.606 1.725 5.891 1.00 40.14 ATOM 123 O SER A 53 19.013 2.627 5.158 1.00 41.59 ATOM 124 CB SER A 53 17.429 -0.269 4.977 1.00 48.60 ATOM 125 OG SER A 53 18.240 -0.151 3.817 1.00 47.38 ATOM 126 N LEU A 54 19.320 1.234 6.901 1.00 38.82 ATOM 127 CA LEU A 54 20.659 1.719 7.207 1.00 34.78 ATOM 128 C LEU A 54 21.578 1.656 5.997 1.00 34.53 ATOM 129 O LEU A 54 22.325 2.601 5.711 1.00 31.30 ATOM 130 CB LEU A 54 21.264 0.927 8.358 1.00 34.25 ATOM 131 CG LEU A 54 22.653 1.340 8.851 1.00 29.80 ATOM 132 CD1 LEU A 54 22.730 2.826 9.206 1.00 29.48 ATOM 133 CD2 LEU A 54 23.014 0.475 10.055 1.00 37.10 ATOM 134 N ASP A 55 21.529 0.537 5.284 1.00 38.58 ATOM 135 CA ASP A 55 22.391 0.347 4.117 1.00 40.38 ATOM 136 C ASP A 55 21.973 1.219 2.930 1.00 39.84 ATOM 137 O ASP A 55 22.765 1.452 2.021 1.00 37.24 ATOM 138 CB ASP A 55 22.425 -1.132 3.717 1.00 47.07 ATOM 139 CG ASP A 55 23.131 -1.993 4.747 1.00 48.16 ATOM 140 OD1 ASP A 55 24.268 -1.645 5.132 1.00 44.59 ATOM 141 OD2 ASP A 55 22.541 -3.010 5.169 1.00 56.03 ATOM 142 N ALA A 56 20.734 1.707 2.948 1.00 40.88 ATOM 143 CA ALA A 56 20.246 2.581 1.882 1.00 42.03 ATOM 144 C ALA A 56 20.636 4.048 2.124 1.00 39.90 ATOM 145 O ALA A 56 20.435 4.899 1.260 1.00 39.40 ATOM 146 CB ALA A 56 18.724 2.429 1.712 1.00 44.48 ATOM 147 N VAL A 57 21.219 4.331 3.287 1.00 35.96 ATOM 148 CA VAL A 57 21.597 5.699 3.639 1.00 32.74 ATOM 149 C VAL A 57 22.725 6.289 2.787 1.00 29.49 ATOM 150 O VAL A 57 22.547 7.340 2.175 1.00 30.92 ATOM 151 CB VAL A 57 21.928 5.843 5.123 1.00 29.03 ATOM 152 CG1 VAL A 57 22.463 7.282 5.424 1.00 25.69 ATOM 153 CG2 VAL A 57 20.683 5.573 5.944 1.00 32.72 ATOM 154 N MET A 58 23.891 5.651 2.753 1.00 28.95 ATOM 155 CA MET A 58 24.992 6.249 2.004 1.00 30.63 ATOM 156 C MET A 58 24.682 6.342 0.490 1.00 38.83 ATOM 157 O MET A 58 25.054 7.341 -0.147 1.00 41.00 ATOM 158 CB MET A 58 26.351 5.619 2.330 1.00 33.19 ATOM 159 CG MET A 58 27.161 6.421 3.392 1.00 33.49 ATOM 160 SD MET A 58 28.072 7.834 2.668 1.00 45.07 ATOM 161 CE MET A 58 29.083 6.971 1.468 1.00 51.38 ATOM 162 N PRO A 59 23.959 5.342 -0.073 1.00 39.42 ATOM 163 CA PRO A 59 23.490 5.501 -1.445 1.00 42.25 ATOM 164 C PRO A 59 22.531 6.680 -1.594 1.00 44.69 ATOM 165 O PRO A 59 22.652 7.445 -2.553 1.00 46.62 ATOM 166 CB PRO A 59 22.764 4.175 -1.720 1.00 47.48 ATOM 167 CG PRO A 59 23.441 3.205 -0.837 1.00 44.99 ATOM 168 CD PRO A 59 23.655 3.989 0.426 1.00 40.69 ATOM 169 N HIS A 60 21.600 6.846 -0.655 1.00 42.31 ATOM 170 CA HIS A 60 20.725 8.009 -0.713 1.00 41.00 ATOM 171 C HIS A 60 21.516 9.336 -0.751 1.00 42.13 ATOM 172 O HIS A 60 21.143 10.246 -1.500 1.00 44.01 ATOM 173 CB HIS A 60 19.687 8.021 0.411 1.00 40.23 ATOM 174 CG HIS A 60 18.967 9.326 0.521 1.00 38.55 ATOM 175 ND1 HIS A 60 17.925 9.673 -0.312 1.00 48.67 ATOM 176 CD2 HIS A 60 19.186 10.395 1.317 1.00 37.11 ATOM 177 CE1 HIS A 60 17.508 10.889 -0.005 1.00 42.14 ATOM 178 NE2 HIS A 60 18.263 11.352 0.976 1.00 38.85 ATOM 179 N LEU A 61 22.601 9.434 0.028 1.00 37.89 ATOM 180 CA LEU A 61 23.418 10.656 0.091 1.00 39.46 ATOM 181 C LEU A 61 24.230 10.885 -1.179 1.00 45.25 ATOM 182 O LEU A 61 24.478 12.029 -1.587 1.00 43.91 ATOM 183 CB LEU A 61 24.356 10.647 1.312 1.00 33.39 ATOM 184 CG LEU A 61 23.676 10.597 2.683 1.00 24.65 ATOM 185 CD1 LEU A 61 24.709 10.337 3.804 1.00 25.92 ATOM 186 CD2 LEU A 61 22.867 11.863 2.976 1.00 27.39 ATOM 187 N MET A 62 24.657 9.789 -1.783 1.00 46.40 ATOM 188 CA MET A 62 25.409 9.839 -3.031 1.00 54.03 ATOM 189 C MET A 62 24.536 10.205 -4.246 1.00 53.92 ATOM 190 O MET A 62 25.005 10.883 -5.152 1.00 56.44 ATOM 191 CB MET A 62 26.169 8.521 -3.264 1.00 53.33 ATOM 192 CG MET A 62 27.181 8.135 -2.157 1.00 57.57 ATOM 193 SD MET A 62 28.465 9.344 -1.700 1.00 61.22 ATOM 194 CE MET A 62 27.775 10.163 -0.265 1.00 55.99 ATOM 195 N HIS A 63 23.274 9.773 -4.246 1.00 55.34 ATOM 196 CA HIS A 63 22.355 10.007 -5.360 1.00 58.74 ATOM 197 C HIS A 63 21.475 11.266 -5.230 1.00 59.39 ATOM 198 O HIS A 63 21.090 11.865 -6.238 1.00 61.92 ATOM 199 CB HIS A 63 21.451 8.784 -5.571 1.00 64.78 ATOM 200 CG HIS A 63 22.157 7.586 -6.134 1.00 71.57 ATOM 201 ND1 HIS A 63 23.073 6.849 -5.411 1.00 78.57 ATOM 202 CD2 HIS A 63 22.068 6.988 -7.346 1.00 75.60 ATOM 203 CE1 HIS A 63 23.525 5.857 -6.157 1.00 76.59 ATOM 204 NE2 HIS A 63 22.929 5.917 -7.335 1.00 77.67 ATOM 205 N GLN A 64 21.131 11.653 -4.007 1.00 52.48 ATOM 206 CA GLN A 64 20.203 12.768 -3.806 1.00 52.79 ATOM 207 C GLN A 64 20.843 13.995 -3.149 1.00 50.83 ATOM 208 O GLN A 64 20.210 15.057 -3.047 1.00 49.05 ATOM 209 CB GLN A 64 18.977 12.313 -3.002 1.00 52.71 ATOM 210 CG GLN A 64 18.132 11.238 -3.690 1.00 60.01 ATOM 211 CD GLN A 64 17.425 11.752 -4.932 1.00 69.38 ATOM 212 OE1 GLN A 64 16.937 12.885 -4.957 1.00 73.46 ATOM 213 NE2 GLN A 64 17.368 10.922 -5.970 1.00 70.62 ATOM 214 N HIS A 65 22.086 13.844 -2.688 1.00 46.40 ATOM 215 CA HIS A 65 22.797 14.934 -2.014 1.00 42.99 ATOM 216 C HIS A 65 24.223 15.021 -2.537 1.00 43.72 ATOM 217 O HIS A 65 25.201 14.976 -1.785 1.00 34.59 ATOM 218 CB HIS A 65 22.737 14.762 -0.495 1.00 38.83 ATOM 219 CG HIS A 65 21.350 14.532 0.026 1.00 37.00 ATOM 220 ND1 HIS A 65 20.591 15.532 0.595 1.00 43.04 ATOM 221 CD2 HIS A 65 20.574 13.420 0.034 1.00 41.72 ATOM 222 CE1 HIS A 65 19.413 15.043 0.945 1.00 47.65 ATOM 223 NE2 HIS A 65 19.367 13.766 0.595 1.00 31.53 ATOM 224 N LYS A 66 24.307 15.183 -3.850 1.00 47.86 ATOM 225 CA LYS A 66 25.548 15.104 -4.624 1.00 51.55 ATOM 226 C LYS A 66 26.576 16.156 -4.233 1.00 46.47 ATOM 227 O LYS A 66 27.772 15.951 -4.449 1.00 50.88 ATOM 228 CB LYS A 66 25.258 15.236 -6.133 1.00 55.10 ATOM 229 CG LYS A 66 23.940 14.642 -6.615 1.00 65.80 ATOM 230 CD LYS A 66 24.133 13.299 -7.313 1.00 77.20 ATOM 231 CE LYS A 66 23.125 13.133 -8.449 1.00 83.96 ATOM 232 NZ LYS A 66 23.120 11.758 -9.033 1.00 89.96 TER