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 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 57.473 52.541 35.389 0.50 35.11 ATOM 2 CA ARG B 124 56.233 52.268 34.682 0.50 42.39 ATOM 3 C ARG B 124 55.222 51.580 35.603 0.50 37.89 ATOM 4 O ARG B 124 55.510 50.564 36.191 0.50 36.59 ATOM 5 CB ARG B 124 56.445 51.416 33.434 0.50 44.77 ATOM 6 CG ARG B 124 55.117 51.145 32.731 0.50 41.75 ATOM 7 CD ARG B 124 55.042 49.759 32.151 0.50 42.70 ATOM 8 NE ARG B 124 56.064 49.506 31.147 0.50 42.55 ATOM 9 CZ ARG B 124 55.926 48.569 30.219 0.50 41.69 ATOM 10 NH1 ARG B 124 54.821 47.844 30.209 0.50 42.48 ATOM 11 NH2 ARG B 124 56.876 48.353 29.318 0.50 45.30 ATOM 12 N PRO B 125 54.037 52.167 35.747 1.00 39.01 ATOM 13 CA PRO B 125 53.059 51.558 36.634 1.00 41.74 ATOM 14 C PRO B 125 52.260 50.424 35.945 1.00 40.68 ATOM 15 O PRO B 125 52.030 50.432 34.714 1.00 37.99 ATOM 16 CB PRO B 125 52.136 52.737 37.011 1.00 44.16 ATOM 17 CG PRO B 125 52.294 53.735 35.933 1.00 47.84 ATOM 18 CD PRO B 125 53.562 53.448 35.188 1.00 43.17 ATOM 19 N TYR B 126 51.856 49.456 36.761 1.00 39.30 ATOM 20 CA TYR B 126 50.953 48.372 36.351 1.00 32.32 ATOM 21 C TYR B 126 49.721 48.433 37.244 1.00 37.28 ATOM 22 O TYR B 126 49.853 48.679 38.444 1.00 38.19 ATOM 23 CB TYR B 126 51.667 47.043 36.579 1.00 31.27 ATOM 24 CG TYR B 126 52.806 46.836 35.597 1.00 34.35 ATOM 25 CD1 TYR B 126 54.025 47.439 35.788 1.00 35.34 ATOM 26 CD2 TYR B 126 52.630 46.089 34.433 1.00 35.83 ATOM 27 CE1 TYR B 126 55.054 47.288 34.890 1.00 33.98 ATOM 28 CE2 TYR B 126 53.681 45.922 33.535 1.00 37.78 ATOM 29 CZ TYR B 126 54.887 46.530 33.783 1.00 38.37 ATOM 30 OH TYR B 126 55.949 46.402 32.917 1.00 42.49 ATOM 31 N SER B 127 48.543 48.246 36.677 1.00 36.54 ATOM 32 CA SER B 127 47.298 48.067 37.444 1.00 39.85 ATOM 33 C SER B 127 47.292 46.711 38.149 1.00 37.66 ATOM 34 O SER B 127 47.872 45.747 37.641 1.00 35.14 ATOM 35 CB SER B 127 46.068 48.061 36.518 1.00 44.80 ATOM 36 OG SER B 127 45.995 49.299 35.874 1.00 54.75 ATOM 37 N CYS B 128 46.631 46.654 39.312 1.00 31.83 ATOM 38 CA CYS B 128 46.367 45.386 40.018 1.00 32.43 ATOM 39 C CYS B 128 45.728 44.437 39.031 1.00 29.95 ATOM 40 O CYS B 128 44.668 44.758 38.453 1.00 34.00 ATOM 41 CB CYS B 128 45.364 45.562 41.156 1.00 37.46 ATOM 42 SG CYS B 128 45.083 44.012 42.017 1.00 33.11 ATOM 43 N PRO B 129 46.327 43.248 38.857 1.00 27.58 ATOM 44 CA PRO B 129 45.824 42.354 37.802 1.00 28.42 ATOM 45 C PRO B 129 44.665 41.474 38.226 1.00 28.97 ATOM 46 O PRO B 129 44.146 40.725 37.419 1.00 33.99 ATOM 47 CB PRO B 129 46.993 41.420 37.527 1.00 27.84 ATOM 48 CG PRO B 129 47.744 41.379 38.853 1.00 26.30 ATOM 49 CD PRO B 129 47.620 42.798 39.417 1.00 27.32 ATOM 50 N CYS B 130 44.255 41.543 39.487 0.70 28.60 ATOM 51 CA CYS B 130 43.174 40.666 40.024 0.70 33.37 ATOM 52 C CYS B 130 41.751 41.139 39.580 0.70 35.78 ATOM 53 O CYS B 130 41.327 42.241 39.886 0.70 40.09 ATOM 54 CB CYS B 130 43.338 40.616 41.553 0.70 38.03 ATOM 55 SG CYS B 130 42.262 39.513 42.488 0.70 43.67 ATOM 56 N PRO B 131 40.978 40.268 38.881 1.00 36.62 ATOM 57 CA PRO B 131 39.667 40.631 38.289 1.00 45.77 ATOM 58 C PRO B 131 38.611 40.919 39.392 1.00 59.44 ATOM 59 O PRO B 131 38.844 40.509 40.529 1.00 59.54 ATOM 60 CB PRO B 131 39.327 39.402 37.477 1.00 44.33 ATOM 61 CG PRO B 131 40.022 38.265 38.157 1.00 39.69 ATOM 62 CD PRO B 131 41.275 38.829 38.756 1.00 35.77 ATOM 63 N GLY B 132 37.503 41.618 39.121 1.00 73.79 ATOM 64 CA GLY B 132 37.202 42.390 37.897 1.00 68.80 ATOM 65 C GLY B 132 37.598 43.857 38.096 1.00 69.46 ATOM 66 O GLY B 132 38.582 44.323 37.511 1.00 82.07 ATOM 67 N ALA B 133 36.873 44.571 38.959 1.00 71.44 ATOM 68 CA ALA B 133 36.851 46.036 38.910 1.00 77.96 ATOM 69 C ALA B 133 37.147 46.817 40.220 1.00 90.57 ATOM 70 O ALA B 133 37.189 48.058 40.206 1.00 94.27 ATOM 71 CB ALA B 133 35.521 46.509 38.293 1.00 67.39 ATOM 72 N SER B 134 37.374 46.112 41.328 1.00 86.98 ATOM 73 CA SER B 134 37.309 46.744 42.656 1.00 74.37 ATOM 74 C SER B 134 38.645 47.233 43.243 1.00 65.62 ATOM 75 O SER B 134 38.667 48.089 44.109 1.00 71.77 ATOM 76 CB SER B 134 36.608 45.812 43.649 1.00 66.24 ATOM 77 OG SER B 134 37.248 44.557 43.667 1.00 75.88 ATOM 78 N CYS B 135 39.767 46.686 42.807 1.00 54.30 ATOM 79 CA CYS B 135 41.018 47.168 43.397 1.00 51.23 ATOM 80 C CYS B 135 41.658 48.224 42.508 1.00 53.01 ATOM 81 O CYS B 135 41.867 47.997 41.324 1.00 57.29 ATOM 82 CB CYS B 135 41.982 46.023 43.675 1.00 45.11 ATOM 83 SG CYS B 135 43.574 46.595 44.337 1.00 39.74 ATOM 84 N LYS B 136 41.997 49.370 43.070 1.00 59.32 ATOM 85 CA LYS B 136 42.484 50.455 42.236 1.00 60.81 ATOM 86 C LYS B 136 43.984 50.600 42.328 1.00 50.87 ATOM 87 O LYS B 136 44.573 51.455 41.685 1.00 73.46 ATOM 88 CB LYS B 136 41.770 51.755 42.593 1.00 67.61 ATOM 89 CG LYS B 136 41.609 52.751 41.423 1.00 87.55 ATOM 90 CD LYS B 136 42.949 53.312 40.909 1.00 96.16 ATOM 91 CE LYS B 136 42.847 54.176 39.650 1.00 90.86 ATOM 92 NZ LYS B 136 42.388 55.557 39.965 1.00 98.65 ATOM 93 N TRP B 137 44.621 49.722 43.083 1.00 55.34 ATOM 94 CA TRP B 137 46.058 49.820 43.225 1.00 51.26 ATOM 95 C TRP B 137 46.791 49.900 41.871 1.00 43.93 ATOM 96 O TRP B 137 46.388 49.329 40.849 1.00 41.24 ATOM 97 CB TRP B 137 46.553 48.629 44.033 1.00 42.37 ATOM 98 CG TRP B 137 48.039 48.566 44.269 1.00 38.35 ATOM 99 CD1 TRP B 137 48.736 49.005 45.382 1.00 49.43 ATOM 100 CD2 TRP B 137 49.015 47.960 43.398 1.00 36.62 ATOM 101 NE1 TRP B 137 50.083 48.717 45.221 1.00 44.86 ATOM 102 CE2 TRP B 137 50.258 48.061 44.018 1.00 35.64 ATOM 103 CE3 TRP B 137 48.938 47.336 42.130 1.00 29.74 ATOM 104 CZ2 TRP B 137 51.428 47.571 43.411 1.00 34.02 ATOM 105 CZ3 TRP B 137 50.078 46.837 41.536 1.00 29.23 ATOM 106 CH2 TRP B 137 51.316 46.975 42.145 1.00 29.98 ATOM 107 N GLN B 138 47.879 50.645 41.880 1.00 42.42 ATOM 108 CA GLN B 138 48.787 50.641 40.774 1.00 44.56 ATOM 109 C GLN B 138 50.198 50.674 41.315 1.00 43.15 ATOM 110 O GLN B 138 50.439 51.296 42.340 1.00 50.64 ATOM 111 CB GLN B 138 48.568 51.910 40.004 1.00 51.70 ATOM 112 CG GLN B 138 48.321 51.642 38.549 1.00 60.90 ATOM 113 CD GLN B 138 47.851 52.869 37.864 1.00 61.71 ATOM 114 OE1 GLN B 138 47.086 52.807 36.902 1.00 72.89 ATOM 115 NE2 GLN B 138 48.259 54.010 38.380 1.00 58.74 ATOM 116 N GLY B 139 51.150 50.065 40.623 1.00 40.02 ATOM 117 CA GLY B 139 52.530 50.063 41.109 1.00 35.23 ATOM 118 C GLY B 139 53.528 49.528 40.080 1.00 36.62 ATOM 119 O GLY B 139 53.147 49.095 38.983 1.00 36.97 ATOM 120 N SER B 140 54.808 49.533 40.436 1.00 32.30 ATOM 121 CA SER B 140 55.823 49.064 39.507 0.80 30.27 ATOM 122 C SER B 140 55.791 47.538 39.424 1.00 32.25 ATOM 123 O SER B 140 55.137 46.843 40.255 1.00 31.16 ATOM 124 CB SER B 140 57.195 49.615 39.881 0.80 36.66 ATOM 125 OG SER B 140 57.755 48.881 40.957 0.80 47.20 ATOM 126 N LEU B 141 56.445 46.983 38.400 1.00 29.56 ATOM 127 CA LEU B 141 56.239 45.555 38.130 1.00 28.13 ATOM 128 C LEU B 141 56.671 44.790 39.380 1.00 26.03 ATOM 129 O LEU B 141 56.048 43.778 39.754 1.00 27.24 ATOM 130 CB LEU B 141 57.031 45.118 36.916 1.00 32.76 ATOM 131 CG LEU B 141 56.913 43.674 36.356 1.00 27.04 ATOM 132 CD1 LEU B 141 55.447 43.245 36.346 1.00 27.41 ATOM 133 CD2 LEU B 141 57.544 43.509 34.972 1.00 35.00 ATOM 134 N ASP B 142 57.751 45.223 40.031 1.00 30.29 ATOM 135 CA ASP B 142 58.265 44.471 41.179 1.00 30.75 ATOM 136 C ASP B 142 57.380 44.627 42.435 1.00 31.05 ATOM 137 O ASP B 142 57.616 43.981 43.443 1.00 33.55 ATOM 138 CB ASP B 142 59.668 45.004 41.518 1.00 35.50 ATOM 139 CG ASP B 142 59.628 46.531 41.683 1.00 54.83 ATOM 140 OD1 ASP B 142 59.617 47.237 40.641 1.00 78.88 ATOM 141 OD2 ASP B 142 59.598 47.063 42.836 1.00 67.11 ATOM 142 N ALA B 143 56.399 45.512 42.385 1.00 26.85 ATOM 143 CA ALA B 143 55.472 45.739 43.494 1.00 26.16 ATOM 144 C ALA B 143 54.203 44.834 43.327 1.00 24.99 ATOM 145 O ALA B 143 53.384 44.744 44.262 1.00 26.77 ATOM 146 CB ALA B 143 55.106 47.209 43.579 1.00 29.19 ATOM 147 N VAL B 144 54.052 44.181 42.140 1.00 23.33 ATOM 148 CA VAL B 144 52.756 43.456 41.845 1.00 21.05 ATOM 149 C VAL B 144 52.617 42.191 42.711 1.00 20.66 ATOM 150 O VAL B 144 51.585 42.010 43.394 1.00 20.91 ATOM 151 CB VAL B 144 52.635 43.073 40.379 1.00 19.80 ATOM 152 CG1 VAL B 144 51.382 42.218 40.099 1.00 20.11 ATOM 153 CG2 VAL B 144 52.582 44.366 39.532 1.00 22.96 ATOM 154 N MET B 145 53.639 41.326 42.743 1.00 20.80 ATOM 155 CA MET B 145 53.512 40.137 43.606 1.00 24.51 ATOM 156 C MET B 145 53.355 40.521 45.092 1.00 28.30 ATOM 157 O MET B 145 52.517 39.872 45.752 1.00 29.59 ATOM 158 CB MET B 145 54.717 39.187 43.429 1.00 25.94 ATOM 159 CG MET B 145 54.666 38.499 42.126 1.00 24.65 ATOM 160 SD MET B 145 53.147 37.564 41.923 1.00 30.63 ATOM 161 CE MET B 145 52.956 36.353 43.220 1.00 36.41 ATOM 162 N PRO B 146 54.096 41.591 45.590 1.00 26.57 ATOM 163 CA PRO B 146 53.912 41.948 47.038 1.00 25.61 ATOM 164 C PRO B 146 52.479 42.452 47.250 1.00 27.11 ATOM 165 O PRO B 146 51.844 42.104 48.232 1.00 32.30 ATOM 166 CB PRO B 146 54.951 43.071 47.282 1.00 26.65 ATOM 167 CG PRO B 146 56.076 42.696 46.339 1.00 25.95 ATOM 168 CD PRO B 146 55.351 42.184 45.038 1.00 22.30 ATOM 169 N HIS B 147 51.965 43.178 46.285 1.00 27.66 ATOM 170 CA HIS B 147 50.582 43.609 46.380 1.00 25.72 ATOM 171 C HIS B 147 49.600 42.443 46.461 1.00 27.75 ATOM 172 O HIS B 147 48.720 42.401 47.351 1.00 25.08 ATOM 173 CB HIS B 147 50.218 44.539 45.278 1.00 25.70 ATOM 174 CG HIS B 147 48.783 44.859 45.279 1.00 27.53 ATOM 175 ND1 HIS B 147 48.182 45.673 46.235 1.00 30.86 ATOM 176 CD2 HIS B 147 47.832 44.489 44.417 1.00 26.71 ATOM 177 CE1 HIS B 147 46.886 45.756 45.934 1.00 42.12 ATOM 178 NE2 HIS B 147 46.659 45.058 44.822 1.00 25.77 ATOM 179 N LEU B 148 49.748 41.464 45.588 1.00 22.88 ATOM 180 CA LEU B 148 48.822 40.331 45.601 1.00 20.74 ATOM 181 C LEU B 148 48.926 39.620 46.930 1.00 28.14 ATOM 182 O LEU B 148 47.899 39.224 47.489 1.00 30.67 ATOM 183 CB LEU B 148 49.126 39.359 44.421 1.00 23.43 ATOM 184 CG LEU B 148 48.790 40.003 43.026 1.00 20.94 ATOM 185 CD1 LEU B 148 49.216 39.038 41.909 1.00 24.64 ATOM 186 CD2 LEU B 148 47.319 40.248 42.905 1.00 23.29 ATOM 187 N MET B 149 50.146 39.519 47.460 1.00 28.68 ATOM 188 CA MET B 149 50.339 38.807 48.727 1.00 38.73 ATOM 189 C MET B 149 49.865 39.626 49.922 1.00 31.54 ATOM 190 O MET B 149 49.337 39.074 50.870 1.00 43.50 ATOM 191 CB MET B 149 51.777 38.350 48.912 1.00 46.39 ATOM 192 CG MET B 149 52.266 37.308 47.847 1.00 55.69 ATOM 193 SD MET B 149 51.250 35.827 47.370 1.00 76.78 ATOM 194 CE MET B 149 50.182 36.277 45.980 1.00 62.90 ATOM 195 N HIS B 150 49.997 40.939 49.871 1.00 33.16 ATOM 196 CA HIS B 150 49.503 41.772 50.998 1.00 33.60 ATOM 197 C HIS B 150 47.996 41.995 51.023 1.00 39.96 ATOM 198 O HIS B 150 47.377 41.956 52.113 1.00 42.69 ATOM 199 CB HIS B 150 50.197 43.156 51.035 1.00 35.95 ATOM 200 CG HIS B 150 51.676 43.087 51.241 1.00 40.77 ATOM 201 ND1 HIS B 150 52.270 42.359 52.265 1.00 52.91 ATOM 202 CD2 HIS B 150 52.687 43.703 50.588 1.00 34.70 ATOM 203 CE1 HIS B 150 53.590 42.484 52.192 1.00 45.50 ATOM 204 NE2 HIS B 150 53.871 43.293 51.184 1.00 48.65 ATOM 205 N GLN B 151 47.437 42.267 49.841 1.00 34.95 ATOM 206 CA GLN B 151 46.094 42.761 49.703 1.00 31.65 ATOM 207 C GLN B 151 45.096 41.765 49.170 1.00 32.06 ATOM 208 O GLN B 151 43.901 42.080 49.192 1.00 38.26 ATOM 209 CB GLN B 151 46.086 44.008 48.814 1.00 33.23 ATOM 210 CG GLN B 151 47.003 45.129 49.323 1.00 35.38 ATOM 211 CD GLN B 151 46.710 45.565 50.741 1.00 48.01 ATOM 212 OE1 GLN B 151 45.550 45.638 51.170 1.00 49.22 ATOM 213 NE2 GLN B 151 47.748 45.887 51.466 1.00 53.03 ATOM 214 N HIS B 152 45.522 40.584 48.722 1.00 35.88 ATOM 215 CA HIS B 152 44.586 39.658 48.063 1.00 31.15 ATOM 216 C HIS B 152 44.927 38.227 48.622 1.00 36.24 ATOM 217 O HIS B 152 45.210 37.270 47.876 1.00 31.73 ATOM 218 CB HIS B 152 44.675 39.775 46.506 1.00 30.00 ATOM 219 CG HIS B 152 44.380 41.147 45.947 1.00 29.88 ATOM 220 ND1 HIS B 152 43.089 41.605 45.681 1.00 34.39 ATOM 221 CD2 HIS B 152 45.222 42.156 45.592 1.00 29.99 ATOM 222 CE1 HIS B 152 43.172 42.844 45.185 1.00 39.41 ATOM 223 NE2 HIS B 152 44.459 43.217 45.117 1.00 23.93 ATOM 224 N LYS B 153 44.912 38.113 49.953 1.00 42.90 ATOM 225 CA LYS B 153 45.402 36.915 50.698 1.00 36.53 ATOM 226 C LYS B 153 44.564 35.668 50.407 1.00 39.23 ATOM 227 O LYS B 153 45.016 34.527 50.626 1.00 46.59 ATOM 228 CB LYS B 153 45.396 37.111 52.218 1.00 45.01 ATOM 229 CG LYS B 153 46.282 38.245 52.702 1.00 50.68 ATOM 230 CD LYS B 153 45.368 39.384 53.170 1.00 78.11 ATOM 231 CE LYS B 153 43.902 39.172 52.754 1.00 80.36 ATOM 232 NZ LYS B 153 43.381 40.054 51.660 1.00 66.46 ATOM 233 ZN ZN B 284 44.835 44.739 44.128 1.00 27.29 ATOM 234 S SO4 B1284 55.399 45.112 28.674 1.00 77.47 ATOM 235 O1 SO4 B1284 54.749 46.385 28.239 1.00 85.88 ATOM 236 O2 SO4 B1284 56.815 45.081 28.229 1.00 85.20 ATOM 237 O3 SO4 B1284 54.726 44.037 27.946 1.00 71.58 ATOM 238 O4 SO4 B1284 55.346 44.924 30.159 1.00 61.48 ATOM 239 CL CL B1285 52.542 52.413 28.786 1.00 79.24 ATOM 240 C1 GOL B1288 42.987 44.583 33.550 1.00 76.45 ATOM 241 O1 GOL B1288 42.728 45.150 32.234 1.00 57.96 ATOM 242 C2 GOL B1288 42.896 43.080 33.302 1.00 54.17 ATOM 243 O2 GOL B1288 42.510 43.329 31.988 1.00 44.74 ATOM 244 C3 GOL B1288 41.824 42.374 34.164 1.00 52.44 ATOM 245 O3 GOL B1288 42.453 41.499 35.156 1.00 57.34 ATOM 246 C1 GOL B1290 41.086 38.935 46.537 1.00 56.24 ATOM 247 O1 GOL B1290 40.366 40.010 45.932 1.00 60.74 ATOM 248 C2 GOL B1290 40.720 38.777 48.020 1.00 54.13 ATOM 249 O2 GOL B1290 41.778 38.091 48.712 1.00 51.16 ATOM 250 C3 GOL B1290 40.600 40.050 48.820 1.00 53.74 ATOM 251 O3 GOL B1290 40.827 39.646 50.188 1.00 63.56 TER