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