HEADER MEMBRANE PROTEIN 31-DEC-69 7W2E TITLE An open-like conformation of the sigma-1 receptor from Xenopus laevis COMPND MOL_ID: 1; COMPND 2 MOLECULE: Sigma non-opioid intracellular receptor 1; COMPND 3 CHAIN: A, B, C, D, E, F, G, H, I, J, K, L; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.56 ANGSTORMS DBREF 7W2E L 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 L 33 VAL ASP THR MET ALA LEU TRP LEU GLY LEU ARG ALA VAL SEQRES 2 L 33 LEU VAL VAL ALA GLY LEU ALA VAL LEU LEU GLN LEU ILE SEQRES 3 L 33 ARG GLY TRP LEU SER SER LYS ATOM 1 N VAL L -2 -50.609 27.208 77.601 1.00116.40 ATOM 2 CA VAL L -2 -50.704 25.838 77.117 1.00116.70 ATOM 3 C VAL L -2 -51.096 25.843 75.636 1.00118.18 ATOM 4 O VAL L -2 -52.209 25.450 75.278 1.00119.68 ATOM 5 CB VAL L -2 -51.713 25.016 77.958 1.00117.27 ATOM 6 CG1 VAL L -2 -51.534 23.526 77.708 1.00117.29 ATOM 7 CG2 VAL L -2 -51.568 25.333 79.438 1.00116.43 ATOM 8 N ASP L -1 -50.178 26.292 74.778 1.00130.14 ATOM 9 CA ASP L -1 -50.427 26.359 73.345 1.00126.97 ATOM 10 C ASP L -1 -49.900 25.107 72.641 1.00125.53 ATOM 11 O ASP L -1 -49.307 24.216 73.253 1.00123.42 ATOM 12 CB ASP L -1 -49.807 27.621 72.746 1.00130.13 ATOM 13 CG ASP L -1 -50.707 28.834 72.878 1.00138.36 ATOM 14 OD1 ASP L -1 -51.944 28.655 72.915 1.00142.33 ATOM 15 OD2 ASP L -1 -50.177 29.964 72.940 1.00129.13 ATOM 16 N THR L 0 -50.100 25.053 71.323 1.00135.02 ATOM 17 CA THR L 0 -49.906 23.805 70.591 1.00130.33 ATOM 18 C THR L 0 -48.446 23.575 70.204 1.00131.10 ATOM 19 O THR L 0 -47.939 22.454 70.336 1.00125.02 ATOM 20 CB THR L 0 -50.801 23.786 69.347 1.00127.64 ATOM 21 OG1 THR L 0 -50.462 24.877 68.482 1.00128.52 ATOM 22 CG2 THR L 0 -52.267 23.903 69.746 1.00129.76 ATOM 23 N MET L 1 -47.751 24.614 69.735 1.00132.51 ATOM 24 CA MET L 1 -46.449 24.407 69.102 1.00129.23 ATOM 25 C MET L 1 -45.364 24.075 70.125 1.00134.90 ATOM 26 O MET L 1 -44.661 23.066 69.993 1.00137.53 ATOM 27 CB MET L 1 -46.066 25.648 68.294 1.00123.43 ATOM 28 CG MET L 1 -47.112 26.092 67.277 1.00124.34 ATOM 29 SD MET L 1 -46.884 25.375 65.635 1.00130.07 ATOM 30 CE MET L 1 -45.320 26.104 65.149 1.00116.37 ATOM 31 N ALA L 2 -45.218 24.918 71.153 1.00138.30 ATOM 32 CA ALA L 2 -44.104 24.826 72.097 1.00130.13 ATOM 33 C ALA L 2 -44.090 23.524 72.890 1.00126.73 ATOM 34 O ALA L 2 -43.062 23.188 73.486 1.00122.84 ATOM 35 CB ALA L 2 -44.133 26.012 73.060 1.00119.74 ATOM 36 N LEU L 3 -45.213 22.805 72.940 1.00128.07 ATOM 37 CA LEU L 3 -45.257 21.541 73.666 1.00127.30 ATOM 38 C LEU L 3 -44.344 20.501 73.028 1.00131.74 ATOM 39 O LEU L 3 -43.760 19.670 73.734 1.00129.62 ATOM 40 CB LEU L 3 -46.696 21.025 73.720 1.00130.38 ATOM 41 CG LEU L 3 -46.965 19.765 74.546 1.00130.35 ATOM 42 CD1 LEU L 3 -46.669 20.019 76.014 1.00121.94 ATOM 43 CD2 LEU L 3 -48.392 19.264 74.353 1.00121.80 ATOM 44 N TRP L 4 -44.221 20.524 71.698 1.00139.21 ATOM 45 CA TRP L 4 -43.322 19.598 71.017 1.00138.20 ATOM 46 C TRP L 4 -41.887 19.774 71.509 1.00131.70 ATOM 47 O TRP L 4 -41.224 18.800 71.883 1.00128.18 ATOM 48 CB TRP L 4 -43.389 19.835 69.506 1.00134.87 ATOM 49 CG TRP L 4 -44.631 19.311 68.830 1.00143.80 ATOM 50 CD1 TRP L 4 -45.699 20.057 68.415 1.00144.46 ATOM 51 CD2 TRP L 4 -44.950 17.947 68.509 1.00147.14 ATOM 52 NE1 TRP L 4 -46.653 19.250 67.844 1.00145.96 ATOM 53 CE2 TRP L 4 -46.221 17.950 67.891 1.00148.15 ATOM 54 CE3 TRP L 4 -44.286 16.727 68.678 1.00141.16 ATOM 55 CZ2 TRP L 4 -46.840 16.784 67.444 1.00144.05 ATOM 56 CZ3 TRP L 4 -44.906 15.567 68.231 1.00141.81 ATOM 57 CH2 TRP L 4 -46.170 15.606 67.622 1.00145.02 ATOM 58 N LEU L 5 -41.399 21.021 71.531 1.00125.09 ATOM 59 CA LEU L 5 -40.008 21.286 71.904 1.00126.99 ATOM 60 C LEU L 5 -39.741 20.959 73.366 1.00123.38 ATOM 61 O LEU L 5 -38.689 20.399 73.696 1.00120.68 ATOM 62 CB LEU L 5 -39.638 22.738 71.606 1.00121.84 ATOM 63 CG LEU L 5 -39.750 23.149 70.139 1.00119.09 ATOM 64 CD1 LEU L 5 -39.484 24.640 69.975 1.00113.30 ATOM 65 CD2 LEU L 5 -38.798 22.325 69.289 1.00112.57 ATOM 66 N GLY L 6 -40.660 21.327 74.259 1.00126.61 ATOM 67 CA GLY L 6 -40.460 21.011 75.661 1.00118.48 ATOM 68 C GLY L 6 -40.392 19.516 75.892 1.00108.71 ATOM 69 O GLY L 6 -39.500 19.022 76.591 1.00111.22 ATOM 70 N LEU L 7 -41.292 18.766 75.251 1.00113.53 ATOM 71 CA LEU L 7 -41.299 17.325 75.449 1.00113.80 ATOM 72 C LEU L 7 -40.117 16.672 74.753 1.00115.29 ATOM 73 O LEU L 7 -39.522 15.741 75.302 1.00115.51 ATOM 74 CB LEU L 7 -42.604 16.731 74.916 1.00115.54 ATOM 75 CG LEU L 7 -42.797 15.211 74.985 1.00116.47 ATOM 76 CD1 LEU L 7 -42.862 14.721 76.423 1.00115.28 ATOM 77 CD2 LEU L 7 -44.037 14.784 74.206 1.00119.88 ATOM 78 N ARG L 8 -39.704 17.192 73.593 1.00111.05 ATOM 79 CA ARG L 8 -38.529 16.630 72.936 1.00115.75 ATOM 80 C ARG L 8 -37.269 16.858 73.760 1.00113.67 ATOM 81 O ARG L 8 -36.464 15.938 73.935 1.00115.59 ATOM 82 CB ARG L 8 -38.365 17.226 71.537 1.00119.15 ATOM 83 CG ARG L 8 -37.054 16.838 70.866 1.00123.51 ATOM 84 CD ARG L 8 -36.999 17.277 69.409 1.00128.55 ATOM 85 NE ARG L 8 -35.718 16.945 68.784 1.00131.90 ATOM 86 CZ ARG L 8 -35.433 15.773 68.223 1.00134.90 ATOM 87 NH1 ARG L 8 -36.338 14.804 68.208 1.00136.68 ATOM 88 NH2 ARG L 8 -34.239 15.570 67.681 1.00135.90 ATOM 89 N ALA L 9 -37.095 18.069 74.296 1.00109.53 ATOM 90 CA ALA L 9 -35.906 18.364 75.085 1.00105.86 ATOM 91 C ALA L 9 -35.883 17.573 76.384 1.00105.42 ATOM 92 O ALA L 9 -34.843 17.012 76.758 1.00106.74 ATOM 93 CB ALA L 9 -35.825 19.863 75.368 1.00103.73 ATOM 94 N VAL L 10 -37.018 17.495 77.080 1.00106.35 ATOM 95 CA VAL L 10 -37.051 16.705 78.304 1.00101.35 ATOM 96 C VAL L 10 -36.803 15.235 77.996 1.00102.21 ATOM 97 O VAL L 10 -36.097 14.547 78.742 1.00103.68 ATOM 98 CB VAL L 10 -38.375 16.928 79.056 1.00 96.71 ATOM 99 CG1 VAL L 10 -38.484 15.974 80.232 1.00 94.23 ATOM 100 CG2 VAL L 10 -38.446 18.363 79.555 1.00 94.42 ATOM 101 N LEU L 11 -37.340 14.736 76.878 1.00100.61 ATOM 102 CA LEU L 11 -37.116 13.340 76.518 1.00103.20 ATOM 103 C LEU L 11 -35.654 13.073 76.188 1.00104.19 ATOM 104 O LEU L 11 -35.107 12.043 76.587 1.00105.71 ATOM 105 CB LEU L 11 -38.016 12.942 75.346 1.00103.65 ATOM 106 CG LEU L 11 -39.471 12.590 75.690 1.00102.00 ATOM 107 CD1 LEU L 11 -40.210 12.099 74.454 1.00103.65 ATOM 108 CD2 LEU L 11 -39.562 11.568 76.819 1.00101.50 ATOM 109 N VAL L 12 -35.001 13.985 75.465 1.00 99.75 ATOM 110 CA VAL L 12 -33.586 13.797 75.145 1.00100.82 ATOM 111 C VAL L 12 -32.743 13.802 76.414 1.00 98.17 ATOM 112 O VAL L 12 -31.859 12.953 76.594 1.00100.59 ATOM 113 CB VAL L 12 -33.110 14.870 74.147 1.00100.65 ATOM 114 CG1 VAL L 12 -31.597 14.847 74.021 1.00102.57 ATOM 115 CG2 VAL L 12 -33.752 14.652 72.790 1.00105.40 ATOM 116 N VAL L 13 -33.004 14.750 77.317 1.00105.39 ATOM 117 CA VAL L 13 -32.233 14.811 78.557 1.00 98.17 ATOM 118 C VAL L 13 -32.465 13.560 79.397 1.00 97.56 ATOM 119 O VAL L 13 -31.520 12.976 79.937 1.00 98.00 ATOM 120 CB VAL L 13 -32.570 16.094 79.337 1.00 90.65 ATOM 121 CG1 VAL L 13 -31.927 16.061 80.719 1.00 91.20 ATOM 122 CG2 VAL L 13 -32.121 17.321 78.552 1.00 87.83 ATOM 123 N ALA L 14 -33.719 13.105 79.490 1.00 95.88 ATOM 124 CA ALA L 14 -34.017 11.919 80.283 1.00 97.94 ATOM 125 C ALA L 14 -33.405 10.669 79.665 1.00101.91 ATOM 126 O ALA L 14 -32.913 9.797 80.387 1.00103.76 ATOM 127 CB ALA L 14 -35.528 11.759 80.442 1.00 96.23 ATOM 128 N GLY L 15 -33.424 10.563 78.335 1.00101.51 ATOM 129 CA GLY L 15 -32.820 9.412 77.685 1.00103.99 ATOM 130 C GLY L 15 -31.313 9.373 77.845 1.00103.90 ATOM 131 O GLY L 15 -30.737 8.316 78.119 1.00106.51 ATOM 132 N LEU L 16 -30.651 10.521 77.682 1.00 99.20 ATOM 133 CA LEU L 16 -29.211 10.559 77.903 1.00 97.80 ATOM 134 C LEU L 16 -28.875 10.264 79.357 1.00 99.46 ATOM 135 O LEU L 16 -27.908 9.549 79.647 1.00103.11 ATOM 136 CB LEU L 16 -28.645 11.914 77.480 1.00 95.77 ATOM 137 CG LEU L 16 -28.531 12.115 75.969 1.00 96.61 ATOM 138 CD1 LEU L 16 -27.797 13.409 75.637 1.00 98.06 ATOM 139 CD2 LEU L 16 -27.848 10.921 75.327 1.00100.22 ATOM 140 N ALA L 17 -29.686 10.774 80.287 1.00 97.12 ATOM 141 CA ALA L 17 -29.454 10.499 81.698 1.00 98.90 ATOM 142 C ALA L 17 -29.649 9.024 82.019 1.00101.83 ATOM 143 O ALA L 17 -28.867 8.445 82.778 1.00108.56 ATOM 144 CB ALA L 17 -30.383 11.358 82.555 1.00 95.44 ATOM 145 N VAL L 18 -30.675 8.395 81.443 1.00100.10 ATOM 146 CA VAL L 18 -30.920 6.984 81.719 1.00102.28 ATOM 147 C VAL L 18 -29.829 6.118 81.098 1.00108.06 ATOM 148 O VAL L 18 -29.410 5.118 81.689 1.00111.71 ATOM 149 CB VAL L 18 -32.339 6.573 81.269 1.00100.70 ATOM 150 CG1 VAL L 18 -32.436 6.397 79.761 1.00100.84 ATOM 151 CG2 VAL L 18 -32.777 5.307 81.987 1.00104.08 ATOM 152 N LEU L 19 -29.334 6.490 79.912 1.00 99.98 ATOM 153 CA LEU L 19 -28.222 5.749 79.322 1.00102.68 ATOM 154 C LEU L 19 -26.968 5.870 80.180 1.00106.99 ATOM 155 O LEU L 19 -26.271 4.874 80.420 1.00112.85 ATOM 156 CB LEU L 19 -27.944 6.251 77.903 1.00100.89 ATOM 157 CG LEU L 19 -26.798 5.566 77.147 1.00102.67 ATOM 158 CD1 LEU L 19 -27.025 4.060 77.080 1.00103.68 ATOM 159 CD2 LEU L 19 -26.608 6.154 75.751 1.00101.50 ATOM 160 N LEU L 20 -26.669 7.084 80.657 1.00104.71 ATOM 161 CA LEU L 20 -25.499 7.275 81.510 1.00107.68 ATOM 162 C LEU L 20 -25.646 6.510 82.818 1.00110.45 ATOM 163 O LEU L 20 -24.681 5.914 83.308 1.00114.71 ATOM 164 CB LEU L 20 -25.275 8.763 81.785 1.00107.40 ATOM 165 CG LEU L 20 -24.808 9.650 80.626 1.00108.44 ATOM 166 CD1 LEU L 20 -24.407 11.034 81.127 1.00108.59 ATOM 167 CD2 LEU L 20 -23.672 8.999 79.858 1.00112.49 ATOM 168 N GLN L 21 -26.846 6.520 83.402 1.00109.87 ATOM 169 CA GLN L 21 -27.076 5.783 84.639 1.00111.77 ATOM 170 C GLN L 21 -26.953 4.282 84.410 1.00112.67 ATOM 171 O GLN L 21 -26.409 3.564 85.254 1.00116.93 ATOM 172 CB GLN L 21 -28.450 6.137 85.208 1.00108.79 ATOM 173 CG GLN L 21 -28.800 5.408 86.494 1.00113.85 ATOM 174 CD GLN L 21 -27.728 5.557 87.559 1.00120.09 ATOM 175 OE1 GLN L 21 -27.382 6.670 87.958 1.00121.88 ATOM 176 NE2 GLN L 21 -27.198 4.432 88.028 1.00123.17 ATOM 177 N LEU L 22 -27.439 3.792 83.269 1.00107.70 ATOM 178 CA LEU L 22 -27.287 2.381 82.936 1.00111.81 ATOM 179 C LEU L 22 -25.816 2.008 82.818 1.00115.95 ATOM 180 O LEU L 22 -25.369 1.002 83.383 1.00122.22 ATOM 181 CB LEU L 22 -28.028 2.072 81.633 1.00111.00 ATOM 182 CG LEU L 22 -28.138 0.601 81.220 1.00115.72 ATOM 183 CD1 LEU L 22 -29.003 -0.165 82.212 1.00115.89 ATOM 184 CD2 LEU L 22 -28.681 0.469 79.806 1.00114.12 ATOM 185 N ILE L 23 -25.040 2.827 82.101 1.00109.73 ATOM 186 CA ILE L 23 -23.622 2.530 81.912 1.00110.21 ATOM 187 C ILE L 23 -22.873 2.589 83.240 1.00111.83 ATOM 188 O ILE L 23 -22.020 1.740 83.527 1.00120.99 ATOM 189 CB ILE L 23 -23.008 3.490 80.874 1.00103.77 ATOM 190 CG1 ILE L 23 -23.618 3.253 79.491 1.00101.33 ATOM 191 CG2 ILE L 23 -21.495 3.345 80.830 1.00104.88 ATOM 192 CD1 ILE L 23 -22.976 4.077 78.390 1.00103.81 ATOM 193 N ARG L 24 -23.190 3.577 84.080 1.00102.17 ATOM 194 CA ARG L 24 -22.516 3.708 85.368 1.00111.80 ATOM 195 C ARG L 24 -22.876 2.562 86.308 1.00117.69 ATOM 196 O ARG L 24 -22.007 2.036 87.013 1.00129.29 ATOM 197 CB ARG L 24 -22.840 5.070 85.981 1.00110.39 ATOM 198 CG ARG L 24 -22.075 5.391 87.247 1.00123.86 ATOM 199 CD ARG L 24 -22.252 6.855 87.620 1.00123.63 ATOM 200 NE ARG L 24 -23.657 7.226 87.770 1.00118.80 ATOM 201 CZ ARG L 24 -24.079 8.454 88.057 1.00117.54 ATOM 202 NH1 ARG L 24 -23.202 9.435 88.226 1.00124.63 ATOM 203 NH2 ARG L 24 -25.377 8.703 88.175 1.00105.66 ATOM 204 N GLY L 25 -24.149 2.162 86.339 1.00105.38 ATOM 205 CA GLY L 25 -24.527 1.021 87.152 1.00109.17 ATOM 206 C GLY L 25 -23.880 -0.261 86.670 1.00114.98 ATOM 207 O GLY L 25 -23.494 -1.114 87.474 1.00124.71 ATOM 208 N TRP L 26 -23.745 -0.411 85.350 1.00105.27 ATOM 209 CA TRP L 26 -23.049 -1.571 84.806 1.00110.99 ATOM 210 C TRP L 26 -21.581 -1.569 85.209 1.00122.96 ATOM 211 O TRP L 26 -21.020 -2.618 85.546 1.00134.37 ATOM 212 CB TRP L 26 -23.183 -1.593 83.287 1.00 99.94 ATOM 213 CG TRP L 26 -22.335 -2.630 82.644 1.00102.34 ATOM 214 CD1 TRP L 26 -22.310 -3.959 82.933 1.00108.82 ATOM 215 CD2 TRP L 26 -21.376 -2.425 81.603 1.00100.68 ATOM 216 NE1 TRP L 26 -21.396 -4.601 82.132 1.00111.32 ATOM 217 CE2 TRP L 26 -20.809 -3.680 81.306 1.00106.15 ATOM 218 CE3 TRP L 26 -20.944 -1.304 80.892 1.00 98.77 ATOM 219 CZ2 TRP L 26 -19.834 -3.845 80.328 1.00106.45 ATOM 220 CZ3 TRP L 26 -19.975 -1.468 79.923 1.00101.70 ATOM 221 CH2 TRP L 26 -19.431 -2.730 79.648 1.00106.54 ATOM 222 N LEU L 27 -20.942 -0.399 85.174 1.00104.34 ATOM 223 CA LEU L 27 -19.548 -0.302 85.591 1.00108.64 ATOM 224 C LEU L 27 -19.403 -0.556 87.083 1.00109.63 ATOM 225 O LEU L 27 -18.352 -1.025 87.535 1.00113.69 ATOM 226 CB LEU L 27 -18.987 1.071 85.231 1.00109.07 ATOM 227 CG LEU L 27 -18.540 1.224 83.780 1.00110.49 ATOM 228 CD1 LEU L 27 -17.945 2.601 83.539 1.00111.25 ATOM 229 CD2 LEU L 27 -17.559 0.133 83.425 1.00114.98 ATOM 230 N SER L 28 -20.444 -0.254 87.858 1.00111.55 ATOM 231 CA SER L 28 -20.409 -0.467 89.297 1.00113.77 ATOM 232 C SER L 28 -20.646 -1.923 89.682 1.00125.59 ATOM 233 O SER L 28 -20.196 -2.348 90.752 1.00128.68 ATOM 234 CB SER L 28 -21.452 0.429 89.973 1.00110.56 ATOM 235 OG SER L 28 -21.401 0.320 91.384 1.00118.26 ATOM 236 N SER L 29 -21.322 -2.698 88.833 1.00123.19 ATOM 237 CA SER L 29 -21.668 -4.082 89.136 1.00128.19 ATOM 238 C SER L 29 -20.922 -5.091 88.267 1.00131.13 ATOM 239 O SER L 29 -21.238 -6.285 88.312 1.00135.25 ATOM 240 CB SER L 29 -23.182 -4.277 89.006 1.00119.01 ATOM 241 OG SER L 29 -23.623 -4.019 87.684 1.00107.80 ATOM 242 N LYS L 30 -19.938 -4.650 87.490 1.00124.15 ATOM 243 CA LYS L 30 -19.199 -5.532 86.596 1.00124.52 ATOM 244 C LYS L 30 -18.010 -6.165 87.307 1.00128.82 ATOM 245 O LYS L 30 -17.403 -5.568 88.199 1.00132.59 ATOM 246 CB LYS L 30 -18.702 -4.760 85.369 1.00119.49 ATOM 247 CG LYS L 30 -18.168 -5.638 84.248 1.00117.49 ATOM 248 CD LYS L 30 -17.656 -4.804 83.088 1.00109.95 ATOM 249 CE LYS L 30 -17.010 -5.669 82.007 1.00107.49 ATOM 250 NZ LYS L 30 -15.779 -6.380 82.455 1.00110.54 TER