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 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 124 14.779 -2.052 9.485 1.00 31.20 ATOM 2 CA ARG A 124 14.866 -0.887 10.354 1.00 29.81 ATOM 3 C ARG A 124 15.107 0.433 9.552 1.00 28.79 ATOM 4 O ARG A 124 16.052 0.513 8.788 1.00 28.84 ATOM 5 CB ARG A 124 16.009 -1.055 11.327 1.00 33.42 ATOM 6 CG ARG A 124 16.115 0.170 12.217 1.00 26.63 ATOM 7 CD ARG A 124 17.150 -0.079 13.265 1.00 32.03 ATOM 8 NE ARG A 124 17.177 1.102 14.137 1.00 30.26 ATOM 9 CZ ARG A 124 18.088 1.280 15.065 1.00 35.19 ATOM 10 NH1 ARG A 124 18.993 0.320 15.234 1.00 39.21 ATOM 11 NH2 ARG A 124 18.080 2.389 15.799 1.00 33.85 ATOM 12 N PRO A 125 14.232 1.430 9.694 1.00 26.90 ATOM 13 CA PRO A 125 14.394 2.653 8.911 1.00 26.98 ATOM 14 C PRO A 125 15.307 3.697 9.576 1.00 24.66 ATOM 15 O PRO A 125 15.330 3.884 10.843 1.00 28.90 ATOM 16 CB PRO A 125 12.953 3.215 8.818 1.00 30.54 ATOM 17 CG PRO A 125 12.305 2.729 10.082 1.00 38.29 ATOM 18 CD PRO A 125 12.930 1.405 10.415 1.00 35.63 ATOM 19 N TYR A 126 16.035 4.395 8.735 1.00 25.25 ATOM 20 CA TYR A 126 16.868 5.529 9.224 1.00 25.51 ATOM 21 C TYR A 126 16.486 6.758 8.414 1.00 27.92 ATOM 22 O TYR A 126 16.220 6.660 7.195 1.00 28.61 ATOM 23 CB TYR A 126 18.346 5.219 9.005 1.00 25.67 ATOM 24 CG TYR A 126 18.872 4.191 9.962 1.00 21.89 ATOM 25 CD1 TYR A 126 18.626 2.829 9.781 1.00 27.96 ATOM 26 CD2 TYR A 126 19.613 4.585 11.078 1.00 27.36 ATOM 27 CE1 TYR A 126 19.099 1.909 10.698 1.00 25.01 ATOM 28 CE2 TYR A 126 20.077 3.655 11.983 1.00 28.23 ATOM 29 CZ TYR A 126 19.846 2.317 11.754 1.00 30.77 ATOM 30 OH TYR A 126 20.275 1.362 12.612 1.00 30.40 ATOM 31 N SER A 127 16.401 7.895 9.061 1.00 25.85 ATOM 32 CA SER A 127 16.187 9.189 8.309 1.00 27.32 ATOM 33 C SER A 127 17.480 9.726 7.657 1.00 24.83 ATOM 34 O SER A 127 18.596 9.434 8.096 1.00 25.09 ATOM 35 CB SER A 127 15.668 10.205 9.295 1.00 32.17 ATOM 36 OG SER A 127 14.433 9.727 9.812 1.00 37.85 ATOM 37 N CYS A 128 17.341 10.526 6.598 1.00 25.14 ATOM 38 CA CYS A 128 18.506 11.134 5.938 1.00 24.21 ATOM 39 C CYS A 128 19.277 11.953 6.952 1.00 21.77 ATOM 40 O CYS A 128 18.662 12.732 7.698 1.00 27.21 ATOM 41 CB CYS A 128 18.011 12.061 4.858 1.00 27.53 ATOM 42 SG CYS A 128 19.430 12.906 4.016 1.00 25.40 ATOM 43 N PRO A 129 20.583 11.722 7.056 1.00 20.00 ATOM 44 CA PRO A 129 21.310 12.393 8.153 1.00 19.42 ATOM 45 C PRO A 129 21.808 13.775 7.753 1.00 22.77 ATOM 46 O PRO A 129 22.396 14.439 8.572 1.00 28.19 ATOM 47 CB PRO A 129 22.490 11.451 8.376 1.00 18.91 ATOM 48 CG PRO A 129 22.771 10.830 6.979 1.00 19.33 ATOM 49 CD PRO A 129 21.329 10.579 6.521 1.00 19.54 ATOM 50 N CYS A 130 21.574 14.221 6.515 1.00 24.97 ATOM 51 CA CYS A 130 22.066 15.529 6.081 0.50 25.03 ATOM 52 C CYS A 130 21.226 16.656 6.776 1.00 32.61 ATOM 53 O CYS A 130 19.991 16.697 6.691 1.00 41.23 ATOM 54 CB CYS A 130 22.189 15.581 4.497 0.50 21.76 ATOM 55 SG CYS A 130 22.941 17.049 3.695 0.50 27.85 ATOM 56 N PRO A 131 21.929 17.583 7.432 1.00 29.79 ATOM 57 CA PRO A 131 21.216 18.675 8.113 1.00 40.41 ATOM 58 C PRO A 131 20.684 19.639 7.077 1.00 51.72 ATOM 59 O PRO A 131 21.266 19.737 5.966 1.00 53.72 ATOM 60 CB PRO A 131 22.304 19.315 8.970 1.00 39.33 ATOM 61 CG PRO A 131 23.565 19.031 8.213 1.00 33.57 ATOM 62 CD PRO A 131 23.376 17.702 7.537 1.00 28.59 ATOM 63 N GLY A 132 19.564 20.277 7.390 1.00 61.61 ATOM 64 CA GLY A 132 18.743 19.958 8.612 1.00 70.55 ATOM 65 C GLY A 132 17.291 19.508 8.369 1.00 54.79 ATOM 66 O GLY A 132 16.812 18.492 8.942 1.00 74.12 ATOM 67 N ALA A 133 16.598 20.234 7.485 1.00 62.14 ATOM 68 CA ALA A 133 15.135 20.075 7.291 1.00 84.18 ATOM 69 C ALA A 133 14.663 19.539 5.899 1.00102.13 ATOM 70 O ALA A 133 13.624 18.855 5.794 1.00 92.67 ATOM 71 CB ALA A 133 14.407 21.377 7.648 1.00 81.48 ATOM 72 N SER A 134 15.437 19.827 4.850 1.00 80.32 ATOM 73 CA SER A 134 15.015 19.604 3.476 1.00 75.45 ATOM 74 C SER A 134 14.501 18.165 3.232 1.00 58.46 ATOM 75 O SER A 134 13.376 17.923 2.813 1.00 61.49 ATOM 76 CB SER A 134 16.225 19.848 2.568 1.00 69.39 ATOM 77 OG SER A 134 17.427 19.365 3.177 1.00 86.79 ATOM 78 N CYS A 135 15.345 17.203 3.558 1.00 51.60 ATOM 79 CA CYS A 135 15.239 15.882 2.924 1.00 39.37 ATOM 80 C CYS A 135 14.393 14.944 3.765 1.00 35.56 ATOM 81 O CYS A 135 14.652 14.787 4.984 1.00 39.36 ATOM 82 CB CYS A 135 16.629 15.259 2.661 1.00 30.30 ATOM 83 SG CYS A 135 16.510 13.653 1.768 1.00 29.98 ATOM 84 N LYS A 136 13.372 14.333 3.155 0.50 36.28 ATOM 85 CA LYS A 136 12.479 13.448 3.897 0.50 34.58 ATOM 86 C LYS A 136 12.716 11.983 3.617 0.50 32.90 ATOM 87 O LYS A 136 11.885 11.135 3.992 0.50 33.49 ATOM 88 CB LYS A 136 10.998 13.800 3.640 0.50 40.47 ATOM 89 CG LYS A 136 10.695 15.285 3.718 0.50 42.98 ATOM 90 CD LYS A 136 10.822 15.786 5.144 0.50 46.66 ATOM 91 CE LYS A 136 10.252 17.206 5.250 0.50 49.38 ATOM 92 NZ LYS A 136 8.936 17.270 4.571 0.50 39.88 ATOM 93 N TRP A 137 13.833 11.665 2.966 1.00 26.97 ATOM 94 CA TRP A 137 14.161 10.255 2.702 1.00 28.50 ATOM 95 C TRP A 137 14.316 9.431 3.996 1.00 28.08 ATOM 96 O TRP A 137 14.776 9.918 5.043 1.00 27.50 ATOM 97 CB TRP A 137 15.418 10.178 1.886 1.00 31.43 ATOM 98 CG TRP A 137 15.961 8.796 1.591 1.00 23.89 ATOM 99 CD1 TRP A 137 15.784 8.071 0.461 1.00 32.27 ATOM 100 CD2 TRP A 137 16.812 8.012 2.444 1.00 24.89 ATOM 101 NE1 TRP A 137 16.478 6.871 0.530 1.00 29.80 ATOM 102 CE2 TRP A 137 17.124 6.809 1.744 1.00 25.93 ATOM 103 CE3 TRP A 137 17.375 8.229 3.721 1.00 22.91 ATOM 104 CZ2 TRP A 137 17.953 5.778 2.305 1.00 23.95 ATOM 105 CZ3 TRP A 137 18.192 7.183 4.291 1.00 25.09 ATOM 106 CH2 TRP A 137 18.483 5.996 3.568 1.00 26.83 ATOM 107 N GLN A 138 13.818 8.210 3.923 1.00 27.38 ATOM 108 CA GLN A 138 14.103 7.197 4.912 1.00 27.30 ATOM 109 C GLN A 138 14.475 5.885 4.199 1.00 25.52 ATOM 110 O GLN A 138 14.007 5.572 3.089 1.00 30.21 ATOM 111 CB GLN A 138 12.891 6.956 5.791 1.00 36.92 ATOM 112 CG GLN A 138 12.468 8.157 6.600 1.00 37.94 ATOM 113 CD GLN A 138 11.399 7.788 7.630 1.00 50.57 ATOM 114 OE1 GLN A 138 11.007 6.617 7.755 1.00 45.44 ATOM 115 NE2 GLN A 138 10.907 8.790 8.358 1.00 63.20 ATOM 116 N GLY A 139 15.386 5.125 4.829 1.00 26.04 ATOM 117 CA GLY A 139 15.793 3.825 4.232 1.00 25.13 ATOM 118 C GLY A 139 16.639 3.005 5.204 1.00 21.72 ATOM 119 O GLY A 139 16.845 3.412 6.342 1.00 23.76 ATOM 120 N SER A 140 17.145 1.864 4.756 1.00 24.14 ATOM 121 CA SER A 140 17.946 1.006 5.608 1.00 21.66 ATOM 122 C SER A 140 19.303 1.650 5.914 1.00 20.29 ATOM 123 O SER A 140 19.751 2.574 5.171 1.00 20.38 ATOM 124 CB SER A 140 18.117 -0.394 4.959 1.00 28.71 ATOM 125 OG SER A 140 19.116 -0.266 3.982 1.00 32.90 ATOM 126 N LEU A 141 19.995 1.168 6.967 1.00 19.43 ATOM 127 CA LEU A 141 21.303 1.719 7.300 1.00 18.84 ATOM 128 C LEU A 141 22.290 1.603 6.143 1.00 19.20 ATOM 129 O LEU A 141 22.998 2.568 5.822 1.00 19.38 ATOM 130 CB LEU A 141 21.870 0.974 8.491 1.00 17.76 ATOM 131 CG LEU A 141 23.188 1.449 9.024 1.00 22.23 ATOM 132 CD1 LEU A 141 23.054 2.940 9.334 1.00 21.09 ATOM 133 CD2 LEU A 141 23.496 0.620 10.281 1.00 27.81 ATOM 134 N ASP A 142 22.294 0.449 5.468 1.00 19.96 ATOM 135 CA ASP A 142 23.239 0.300 4.272 1.00 18.71 ATOM 136 C ASP A 142 22.848 1.160 3.068 1.00 23.22 ATOM 137 O ASP A 142 23.675 1.319 2.146 1.00 24.77 ATOM 138 CB ASP A 142 23.291 -1.145 3.837 1.00 20.87 ATOM 139 CG ASP A 142 23.937 -2.022 4.840 1.00 34.21 ATOM 140 OD1 ASP A 142 25.036 -1.688 5.380 1.00 42.66 ATOM 141 OD2 ASP A 142 23.344 -3.082 5.084 1.00 45.20 ATOM 142 N ALA A 143 21.630 1.732 3.102 1.00 19.52 ATOM 143 CA ALA A 143 21.198 2.610 2.016 1.00 20.31 ATOM 144 C ALA A 143 21.533 4.044 2.242 1.00 20.36 ATOM 145 O ALA A 143 21.379 4.877 1.343 1.00 21.08 ATOM 146 CB ALA A 143 19.677 2.460 1.798 1.00 19.69 ATOM 147 N VAL A 144 21.997 4.400 3.443 1.00 16.89 ATOM 148 CA VAL A 144 22.255 5.813 3.746 1.00 15.06 ATOM 149 C VAL A 144 23.393 6.378 2.917 1.00 18.07 ATOM 150 O VAL A 144 23.268 7.442 2.319 1.00 16.76 ATOM 151 CB VAL A 144 22.614 5.997 5.227 1.00 14.09 ATOM 152 CG1 VAL A 144 23.019 7.477 5.520 1.00 14.25 ATOM 153 CG2 VAL A 144 21.403 5.601 6.081 1.00 19.96 ATOM 154 N MET A 145 24.543 5.709 2.879 1.00 19.00 ATOM 155 CA MET A 145 25.651 6.294 2.119 1.00 17.34 ATOM 156 C MET A 145 25.327 6.390 0.609 1.00 21.17 ATOM 157 O MET A 145 25.608 7.418 0.023 1.00 20.81 ATOM 158 CB MET A 145 27.034 5.631 2.453 1.00 19.86 ATOM 159 CG MET A 145 27.834 6.494 3.551 1.00 29.38 ATOM 160 SD MET A 145 28.625 7.964 2.748 1.00 28.58 ATOM 161 CE MET A 145 30.169 7.696 1.961 1.00 32.88 ATOM 162 N PRO A 146 24.696 5.360 0.011 1.00 21.62 ATOM 163 CA PRO A 146 24.250 5.563 -1.362 1.00 24.94 ATOM 164 C PRO A 146 23.273 6.698 -1.554 1.00 24.18 ATOM 165 O PRO A 146 23.313 7.434 -2.584 1.00 29.66 ATOM 166 CB PRO A 146 23.548 4.192 -1.704 1.00 28.82 ATOM 167 CG PRO A 146 24.357 3.228 -0.949 1.00 27.77 ATOM 168 CD PRO A 146 24.493 3.937 0.408 1.00 21.73 ATOM 169 N HIS A 147 22.358 6.834 -0.612 1.00 20.79 ATOM 170 CA HIS A 147 21.428 7.994 -0.665 1.00 18.59 ATOM 171 C HIS A 147 22.208 9.323 -0.723 1.00 21.31 ATOM 172 O HIS A 147 21.859 10.223 -1.495 1.00 23.51 ATOM 173 CB HIS A 147 20.420 7.970 0.510 1.00 20.72 ATOM 174 CG HIS A 147 19.661 9.240 0.619 1.00 21.47 ATOM 175 ND1 HIS A 147 18.696 9.593 -0.329 1.00 22.21 ATOM 176 CD2 HIS A 147 19.767 10.281 1.488 1.00 21.13 ATOM 177 CE1 HIS A 147 18.253 10.800 -0.028 1.00 27.11 ATOM 178 NE2 HIS A 147 18.887 11.240 1.067 1.00 21.74 ATOM 179 N LEU A 148 23.251 9.456 0.124 1.00 17.11 ATOM 180 CA LEU A 148 24.008 10.710 0.177 1.00 17.89 ATOM 181 C LEU A 148 24.724 10.878 -1.124 1.00 22.64 ATOM 182 O LEU A 148 24.817 12.003 -1.616 1.00 25.29 ATOM 183 CB LEU A 148 25.064 10.783 1.336 1.00 18.16 ATOM 184 CG LEU A 148 24.301 10.662 2.677 1.00 17.81 ATOM 185 CD1 LEU A 148 25.363 10.468 3.799 1.00 18.62 ATOM 186 CD2 LEU A 148 23.591 11.960 2.947 1.00 18.62 ATOM 187 N MET A 149 25.277 9.792 -1.640 1.00 26.31 ATOM 188 CA MET A 149 26.077 9.889 -2.891 1.00 35.30 ATOM 189 C MET A 149 25.204 10.255 -4.076 1.00 25.38 ATOM 190 O MET A 149 25.659 10.913 -5.013 1.00 32.85 ATOM 191 CB MET A 149 26.887 8.584 -3.104 1.00 32.02 ATOM 192 CG MET A 149 27.828 8.339 -1.898 1.00 46.09 ATOM 193 SD MET A 149 29.006 9.688 -1.495 1.00 42.68 ATOM 194 CE MET A 149 28.304 10.643 -0.096 1.00 40.66 ATOM 195 N HIS A 150 23.936 9.797 -4.077 1.00 27.52 ATOM 196 CA HIS A 150 23.077 10.058 -5.242 1.00 33.21 ATOM 197 C HIS A 150 22.216 11.321 -5.151 1.00 38.68 ATOM 198 O HIS A 150 21.976 11.960 -6.200 1.00 34.85 ATOM 199 CB HIS A 150 22.225 8.813 -5.536 1.00 38.00 ATOM 200 CG HIS A 150 23.032 7.583 -5.854 1.00 54.51 ATOM 201 ND1 HIS A 150 23.975 7.548 -6.866 1.00 70.80 ATOM 202 CD2 HIS A 150 23.016 6.339 -5.313 1.00 66.76 ATOM 203 CE1 HIS A 150 24.522 6.346 -6.913 1.00 93.80 ATOM 204 NE2 HIS A 150 23.954 5.590 -5.988 1.00 76.02 ATOM 205 N GLN A 151 21.775 11.686 -3.935 1.00 29.03 ATOM 206 CA GLN A 151 20.843 12.789 -3.757 1.00 23.25 ATOM 207 C GLN A 151 21.484 14.022 -3.153 1.00 28.27 ATOM 208 O GLN A 151 20.795 15.039 -3.113 1.00 32.17 ATOM 209 CB GLN A 151 19.632 12.320 -2.883 1.00 26.91 ATOM 210 CG GLN A 151 18.838 11.231 -3.533 1.00 41.18 ATOM 211 CD GLN A 151 18.315 11.795 -4.829 1.00 43.48 ATOM 212 OE1 GLN A 151 17.704 12.876 -4.852 1.00 56.80 ATOM 213 NE2 GLN A 151 18.623 11.123 -5.919 1.00 63.92 ATOM 214 N HIS A 152 22.734 13.930 -2.601 1.00 25.64 ATOM 215 CA HIS A 152 23.414 15.098 -2.004 1.00 21.87 ATOM 216 C HIS A 152 24.814 15.233 -2.552 1.00 25.22 ATOM 217 O HIS A 152 25.815 15.115 -1.826 1.00 23.66 ATOM 218 CB HIS A 152 23.423 14.959 -0.458 1.00 20.19 ATOM 219 CG HIS A 152 22.042 14.792 0.102 1.00 22.55 ATOM 220 ND1 HIS A 152 21.228 15.854 0.455 1.00 28.71 ATOM 221 CD2 HIS A 152 21.321 13.657 0.313 1.00 20.66 ATOM 222 CE1 HIS A 152 20.046 15.357 0.883 1.00 32.41 ATOM 223 NE2 HIS A 152 20.102 14.011 0.844 1.00 23.71 ATOM 224 N LYS A 153 24.884 15.569 -3.820 1.00 31.76 ATOM 225 CA LYS A 153 26.165 15.529 -4.535 1.00 29.26 ATOM 226 C LYS A 153 27.148 16.571 -4.113 1.00 29.43 ATOM 227 O LYS A 153 28.330 16.435 -4.431 1.00 41.44 ATOM 228 CB LYS A 153 25.952 15.596 -6.094 1.00 36.43 ATOM 229 CG LYS A 153 24.752 14.818 -6.487 1.00 46.67 ATOM 230 CD LYS A 153 25.173 13.469 -6.955 1.00 56.65 ATOM 231 CE LYS A 153 24.456 13.290 -8.276 1.00 61.45 ATOM 232 NZ LYS A 153 24.792 11.943 -8.879 1.00 81.93 ATOM 233 ZN ZN A 284 18.670 13.047 1.925 1.00 22.80 ATOM 234 S SO4 A1283 21.360 2.078 17.245 1.00 36.71 ATOM 235 O1 SO4 A1283 22.294 2.969 17.747 1.00 35.92 ATOM 236 O2 SO4 A1283 21.396 2.283 15.680 1.00 43.45 ATOM 237 O3 SO4 A1283 20.009 2.400 17.808 1.00 32.46 ATOM 238 O4 SO4 A1283 21.627 0.708 17.488 1.00 49.75 ATOM 239 S SO4 A1285 23.193 18.835 -3.088 0.50 49.13 ATOM 240 O1 SO4 A1285 21.820 18.378 -3.191 0.50 46.64 ATOM 241 O2 SO4 A1285 23.382 20.244 -3.414 0.50 43.79 ATOM 242 O3 SO4 A1285 24.009 18.086 -4.050 0.50 60.24 ATOM 243 O4 SO4 A1285 23.722 18.479 -1.774 0.50 39.35 TER