HEADER MEMBRANE PROTEIN 31-DEC-69 7W2B TITLE The closed 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, C, E, D, F, B, G, H, I, J, K, L; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.20 ANGSTORMS DBREF 7W2B A 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 A 28 LEU TRP LEU GLY LEU ARG ALA VAL LEU VAL VAL ALA GLY SEQRES 2 A 28 LEU ALA VAL LEU LEU GLN LEU ILE ARG GLY TRP LEU SER SEQRES 3 A 28 SER LYS ATOM 1 N LEU A 7 -70.802 -44.858 -80.681 1.00128.41 ATOM 2 CA LEU A 7 -70.415 -44.907 -79.278 1.00125.13 ATOM 3 C LEU A 7 -69.658 -46.203 -78.978 1.00123.63 ATOM 4 O LEU A 7 -69.562 -46.623 -77.824 1.00122.33 ATOM 5 CB LEU A 7 -71.662 -44.783 -78.389 1.00126.44 ATOM 6 CG LEU A 7 -71.577 -44.585 -76.870 1.00124.42 ATOM 7 CD1 LEU A 7 -70.853 -43.297 -76.513 1.00122.03 ATOM 8 CD2 LEU A 7 -72.969 -44.623 -76.251 1.00127.02 ATOM 9 N TRP A 8 -69.105 -46.838 -80.018 1.00122.39 ATOM 10 CA TRP A 8 -68.380 -48.087 -79.792 1.00121.56 ATOM 11 C TRP A 8 -67.046 -47.846 -79.090 1.00119.29 ATOM 12 O TRP A 8 -66.688 -48.580 -78.162 1.00115.74 ATOM 13 CB TRP A 8 -68.186 -48.831 -81.111 1.00124.45 ATOM 14 CG TRP A 8 -67.396 -50.092 -80.961 1.00123.75 ATOM 15 CD1 TRP A 8 -67.873 -51.315 -80.585 1.00125.49 ATOM 16 CD2 TRP A 8 -66.002 -50.273 -81.239 1.00122.31 ATOM 17 NE1 TRP A 8 -66.856 -52.238 -80.578 1.00125.16 ATOM 18 CE2 TRP A 8 -65.698 -51.626 -80.980 1.00123.12 ATOM 19 CE3 TRP A 8 -64.980 -49.422 -81.669 1.00120.87 ATOM 20 CZ2 TRP A 8 -64.416 -52.146 -81.137 1.00122.15 ATOM 21 CZ3 TRP A 8 -63.707 -49.943 -81.827 1.00120.10 ATOM 22 CH2 TRP A 8 -63.436 -51.291 -81.558 1.00120.65 ATOM 23 N LEU A 9 -66.295 -46.826 -79.513 1.00123.74 ATOM 24 CA LEU A 9 -65.062 -46.492 -78.806 1.00120.00 ATOM 25 C LEU A 9 -65.316 -45.915 -77.428 1.00120.25 ATOM 26 O LEU A 9 -64.350 -45.610 -76.721 1.00116.94 ATOM 27 CB LEU A 9 -64.179 -45.549 -79.623 1.00120.99 ATOM 28 CG LEU A 9 -63.446 -46.262 -80.758 1.00119.53 ATOM 29 CD1 LEU A 9 -62.652 -45.284 -81.603 1.00120.75 ATOM 30 CD2 LEU A 9 -62.516 -47.298 -80.143 1.00116.63 ATOM 31 N GLY A 10 -66.572 -45.757 -77.025 1.00118.06 ATOM 32 CA GLY A 10 -66.797 -45.342 -75.664 1.00117.07 ATOM 33 C GLY A 10 -66.883 -46.523 -74.740 1.00114.40 ATOM 34 O GLY A 10 -67.041 -46.360 -73.527 1.00113.78 ATOM 35 N LEU A 11 -66.763 -47.731 -75.301 1.00117.34 ATOM 36 CA LEU A 11 -66.735 -48.934 -74.481 1.00115.59 ATOM 37 C LEU A 11 -65.511 -48.928 -73.578 1.00112.08 ATOM 38 O LEU A 11 -65.605 -49.259 -72.394 1.00110.88 ATOM 39 CB LEU A 11 -66.749 -50.185 -75.358 1.00117.66 ATOM 40 CG LEU A 11 -66.990 -51.494 -74.603 1.00118.66 ATOM 41 CD1 LEU A 11 -68.411 -51.557 -74.062 1.00121.27 ATOM 42 CD2 LEU A 11 -66.687 -52.698 -75.480 1.00121.33 ATOM 43 N ARG A 12 -64.349 -48.561 -74.128 1.00113.19 ATOM 44 CA ARG A 12 -63.132 -48.521 -73.325 1.00109.81 ATOM 45 C ARG A 12 -63.239 -47.485 -72.216 1.00108.16 ATOM 46 O ARG A 12 -62.853 -47.747 -71.072 1.00106.13 ATOM 47 CB ARG A 12 -61.927 -48.200 -74.207 1.00108.49 ATOM 48 CG ARG A 12 -60.592 -48.402 -73.513 1.00106.00 ATOM 49 CD ARG A 12 -59.434 -48.099 -74.441 1.00106.30 ATOM 50 NE ARG A 12 -59.319 -46.659 -74.665 1.00105.97 ATOM 51 CZ ARG A 12 -58.577 -45.836 -73.928 1.00103.78 ATOM 52 NH1 ARG A 12 -58.017 -46.269 -72.806 1.00101.69 ATOM 53 NH2 ARG A 12 -58.530 -44.543 -74.226 1.00103.63 ATOM 54 N ALA A 13 -63.786 -46.311 -72.529 1.00 98.09 ATOM 55 CA ALA A 13 -63.884 -45.250 -71.533 1.00102.24 ATOM 56 C ALA A 13 -64.898 -45.600 -70.450 1.00103.87 ATOM 57 O ALA A 13 -64.636 -45.412 -69.254 1.00104.58 ATOM 58 CB ALA A 13 -64.243 -43.935 -72.214 1.00106.18 ATOM 59 N VAL A 14 -66.071 -46.093 -70.852 1.00101.60 ATOM 60 CA VAL A 14 -67.062 -46.528 -69.874 1.00101.51 ATOM 61 C VAL A 14 -66.497 -47.653 -69.019 1.00 98.00 ATOM 62 O VAL A 14 -66.710 -47.695 -67.802 1.00 98.93 ATOM 63 CB VAL A 14 -68.368 -46.941 -70.579 1.00102.14 ATOM 64 CG1 VAL A 14 -69.303 -47.645 -69.608 1.00101.68 ATOM 65 CG2 VAL A 14 -69.051 -45.717 -71.167 1.00101.70 ATOM 66 N LEU A 15 -65.761 -48.579 -69.639 1.00101.01 ATOM 67 CA LEU A 15 -65.145 -49.665 -68.887 1.00 99.27 ATOM 68 C LEU A 15 -64.144 -49.131 -67.876 1.00 96.18 ATOM 69 O LEU A 15 -64.100 -49.600 -66.738 1.00 95.96 ATOM 70 CB LEU A 15 -64.468 -50.664 -69.828 1.00 99.56 ATOM 71 CG LEU A 15 -65.336 -51.741 -70.486 1.00103.85 ATOM 72 CD1 LEU A 15 -64.488 -52.625 -71.385 1.00103.75 ATOM 73 CD2 LEU A 15 -66.052 -52.576 -69.438 1.00105.35 ATOM 74 N VAL A 16 -63.330 -48.150 -68.270 1.00 90.16 ATOM 75 CA VAL A 16 -62.335 -47.614 -67.348 1.00 88.72 ATOM 76 C VAL A 16 -63.010 -46.895 -66.186 1.00 95.79 ATOM 77 O VAL A 16 -62.627 -47.078 -65.025 1.00 94.82 ATOM 78 CB VAL A 16 -61.356 -46.689 -68.096 1.00 87.37 ATOM 79 CG1 VAL A 16 -60.550 -45.858 -67.113 1.00 87.22 ATOM 80 CG2 VAL A 16 -60.426 -47.504 -68.976 1.00 84.70 ATOM 81 N VAL A 17 -64.047 -46.102 -66.469 1.00 86.63 ATOM 82 CA VAL A 17 -64.744 -45.389 -65.398 1.00 90.99 ATOM 83 C VAL A 17 -65.433 -46.374 -64.455 1.00 91.15 ATOM 84 O VAL A 17 -65.331 -46.260 -63.226 1.00 92.97 ATOM 85 CB VAL A 17 -65.736 -44.367 -65.981 1.00 90.44 ATOM 86 CG1 VAL A 17 -66.602 -43.784 -64.878 1.00 88.41 ATOM 87 CG2 VAL A 17 -64.984 -43.259 -66.696 1.00 89.64 ATOM 88 N ALA A 18 -66.148 -47.352 -65.016 1.00 91.51 ATOM 89 CA ALA A 18 -66.843 -48.332 -64.188 1.00 90.35 ATOM 90 C ALA A 18 -65.861 -49.160 -63.372 1.00 84.36 ATOM 91 O ALA A 18 -66.104 -49.433 -62.192 1.00 85.52 ATOM 92 CB ALA A 18 -67.711 -49.237 -65.060 1.00 86.92 ATOM 93 N GLY A 19 -64.752 -49.581 -63.984 1.00 86.98 ATOM 94 CA GLY A 19 -63.758 -50.347 -63.255 1.00 84.99 ATOM 95 C GLY A 19 -63.118 -49.550 -62.138 1.00 84.01 ATOM 96 O GLY A 19 -62.898 -50.070 -61.045 1.00 83.36 ATOM 97 N LEU A 20 -62.821 -48.274 -62.392 1.00 75.58 ATOM 98 CA LEU A 20 -62.265 -47.433 -61.340 1.00 81.70 ATOM 99 C LEU A 20 -63.251 -47.275 -60.195 1.00 89.55 ATOM 100 O LEU A 20 -62.875 -47.394 -59.025 1.00 91.02 ATOM 101 CB LEU A 20 -61.879 -46.069 -61.907 1.00 85.96 ATOM 102 CG LEU A 20 -60.592 -46.035 -62.729 1.00 75.62 ATOM 103 CD1 LEU A 20 -60.278 -44.614 -63.158 1.00 77.22 ATOM 104 CD2 LEU A 20 -59.440 -46.625 -61.934 1.00 65.35 ATOM 105 N ALA A 21 -64.525 -47.039 -60.512 1.00 81.88 ATOM 106 CA ALA A 21 -65.529 -46.893 -59.464 1.00 84.17 ATOM 107 C ALA A 21 -65.671 -48.177 -58.653 1.00 81.69 ATOM 108 O ALA A 21 -65.681 -48.147 -57.417 1.00 83.87 ATOM 109 CB ALA A 21 -66.868 -46.489 -60.078 1.00 82.59 ATOM 110 N VAL A 22 -65.771 -49.320 -59.338 1.00 87.85 ATOM 111 CA VAL A 22 -65.952 -50.601 -58.658 1.00 82.29 ATOM 112 C VAL A 22 -64.735 -50.935 -57.804 1.00 79.42 ATOM 113 O VAL A 22 -64.866 -51.400 -56.664 1.00 80.83 ATOM 114 CB VAL A 22 -66.246 -51.709 -59.688 1.00 82.62 ATOM 115 CG1 VAL A 22 -66.176 -53.080 -59.037 1.00 83.92 ATOM 116 CG2 VAL A 22 -67.611 -51.492 -60.321 1.00 85.76 ATOM 117 N LEU A 23 -63.533 -50.710 -58.340 1.00 79.46 ATOM 118 CA LEU A 23 -62.317 -51.024 -57.603 1.00 76.39 ATOM 119 C LEU A 23 -62.158 -50.099 -56.403 1.00 84.16 ATOM 120 O LEU A 23 -61.719 -50.532 -55.332 1.00 82.67 ATOM 121 CB LEU A 23 -61.115 -50.926 -58.542 1.00 72.68 ATOM 122 CG LEU A 23 -59.888 -51.775 -58.220 1.00 71.21 ATOM 123 CD1 LEU A 23 -60.243 -53.247 -58.330 1.00 73.81 ATOM 124 CD2 LEU A 23 -58.740 -51.426 -59.153 1.00 68.14 ATOM 125 N LEU A 24 -62.532 -48.827 -56.558 1.00 75.54 ATOM 126 CA LEU A 24 -62.526 -47.905 -55.431 1.00 83.84 ATOM 127 C LEU A 24 -63.483 -48.377 -54.348 1.00 84.41 ATOM 128 O LEU A 24 -63.131 -48.408 -53.165 1.00 85.75 ATOM 129 CB LEU A 24 -62.900 -46.500 -55.904 1.00 85.86 ATOM 130 CG LEU A 24 -63.211 -45.467 -54.816 1.00 81.15 ATOM 131 CD1 LEU A 24 -61.992 -45.194 -53.941 1.00 76.96 ATOM 132 CD2 LEU A 24 -63.749 -44.174 -55.425 1.00 72.91 ATOM 133 N GLN A 25 -64.696 -48.769 -54.742 1.00 87.07 ATOM 134 CA GLN A 25 -65.670 -49.261 -53.774 1.00 86.21 ATOM 135 C GLN A 25 -65.144 -50.481 -53.034 1.00 80.62 ATOM 136 O GLN A 25 -65.202 -50.549 -51.799 1.00 82.40 ATOM 137 CB GLN A 25 -66.974 -49.614 -54.493 1.00 84.17 ATOM 138 CG GLN A 25 -67.767 -48.437 -55.003 1.00 88.94 ATOM 139 CD GLN A 25 -68.089 -47.478 -53.892 1.00 90.68 ATOM 140 OE1 GLN A 25 -67.505 -46.398 -53.789 1.00 87.60 ATOM 141 NE2 GLN A 25 -68.990 -47.894 -53.010 1.00 91.04 ATOM 142 N LEU A 26 -64.571 -51.430 -53.775 1.00 81.02 ATOM 143 CA LEU A 26 -64.082 -52.660 -53.165 1.00 79.35 ATOM 144 C LEU A 26 -62.938 -52.374 -52.201 1.00 77.92 ATOM 145 O LEU A 26 -62.968 -52.801 -51.040 1.00 79.36 ATOM 146 CB LEU A 26 -63.657 -53.644 -54.259 1.00 78.51 ATOM 147 CG LEU A 26 -63.443 -55.118 -53.900 1.00 80.22 ATOM 148 CD1 LEU A 26 -63.710 -55.988 -55.120 1.00 80.78 ATOM 149 CD2 LEU A 26 -62.032 -55.380 -53.360 1.00 77.14 ATOM 150 N ILE A 27 -61.925 -51.636 -52.661 1.00 74.03 ATOM 151 CA ILE A 27 -60.751 -51.383 -51.833 1.00 74.24 ATOM 152 C ILE A 27 -61.120 -50.555 -50.611 1.00 86.57 ATOM 153 O ILE A 27 -60.625 -50.806 -49.511 1.00 86.63 ATOM 154 CB ILE A 27 -59.643 -50.709 -52.661 1.00 70.48 ATOM 155 CG1 ILE A 27 -59.196 -51.625 -53.801 1.00 61.09 ATOM 156 CG2 ILE A 27 -58.455 -50.366 -51.780 1.00 68.85 ATOM 157 CD1 ILE A 27 -58.093 -51.037 -54.645 1.00 57.23 ATOM 158 N ARG A 28 -62.007 -49.570 -50.770 1.00 80.46 ATOM 159 CA ARG A 28 -62.340 -48.703 -49.647 1.00 84.23 ATOM 160 C ARG A 28 -63.182 -49.435 -48.609 1.00 83.55 ATOM 161 O ARG A 28 -62.950 -49.289 -47.402 1.00 85.36 ATOM 162 CB ARG A 28 -63.056 -47.455 -50.155 1.00 82.50 ATOM 163 CG ARG A 28 -63.028 -46.293 -49.190 1.00 76.49 ATOM 164 CD ARG A 28 -63.104 -44.980 -49.942 1.00 67.73 ATOM 165 NE ARG A 28 -64.274 -44.924 -50.809 1.00 68.50 ATOM 166 CZ ARG A 28 -64.510 -43.952 -51.682 1.00 63.24 ATOM 167 NH1 ARG A 28 -63.648 -42.950 -51.806 1.00 59.69 ATOM 168 NH2 ARG A 28 -65.606 -43.984 -52.431 1.00 65.05 ATOM 169 N GLY A 29 -64.161 -50.232 -49.050 1.00 71.24 ATOM 170 CA GLY A 29 -64.900 -51.050 -48.104 1.00 75.73 ATOM 171 C GLY A 29 -64.007 -52.047 -47.392 1.00 75.00 ATOM 172 O GLY A 29 -64.133 -52.257 -46.181 1.00 77.81 ATOM 173 N TRP A 30 -63.083 -52.664 -48.133 1.00 71.61 ATOM 174 CA TRP A 30 -62.102 -53.548 -47.517 1.00 70.63 ATOM 175 C TRP A 30 -61.311 -52.814 -46.444 1.00 70.54 ATOM 176 O TRP A 30 -61.233 -53.265 -45.298 1.00 72.11 ATOM 177 CB TRP A 30 -61.173 -54.108 -48.593 1.00 67.03 ATOM 178 CG TRP A 30 -60.162 -55.080 -48.089 1.00 66.25 ATOM 179 CD1 TRP A 30 -60.318 -55.974 -47.072 1.00 69.48 ATOM 180 CD2 TRP A 30 -58.827 -55.252 -48.575 1.00 62.33 ATOM 181 NE1 TRP A 30 -59.162 -56.697 -46.898 1.00 67.70 ATOM 182 CE2 TRP A 30 -58.231 -56.271 -47.809 1.00 63.34 ATOM 183 CE3 TRP A 30 -58.077 -54.643 -49.585 1.00 58.45 ATOM 184 CZ2 TRP A 30 -56.923 -56.695 -48.022 1.00 62.73 ATOM 185 CZ3 TRP A 30 -56.778 -55.065 -49.794 1.00 57.17 ATOM 186 CH2 TRP A 30 -56.215 -56.081 -49.017 1.00 59.83 ATOM 187 N LEU A 31 -60.745 -51.656 -46.793 1.00 70.09 ATOM 188 CA LEU A 31 -59.914 -50.912 -45.854 1.00 69.06 ATOM 189 C LEU A 31 -60.693 -50.514 -44.610 1.00 73.82 ATOM 190 O LEU A 31 -60.151 -50.536 -43.498 1.00 75.36 ATOM 191 CB LEU A 31 -59.334 -49.671 -46.532 1.00 70.30 ATOM 192 CG LEU A 31 -58.272 -49.913 -47.603 1.00 64.16 ATOM 193 CD1 LEU A 31 -57.763 -48.596 -48.155 1.00 58.14 ATOM 194 CD2 LEU A 31 -57.139 -50.732 -47.036 1.00 59.49 ATOM 195 N SER A 32 -61.963 -50.148 -44.769 1.00 72.72 ATOM 196 CA SER A 32 -62.728 -49.692 -43.617 1.00 74.09 ATOM 197 C SER A 32 -63.359 -50.830 -42.825 1.00 73.98 ATOM 198 O SER A 32 -63.862 -50.584 -41.723 1.00 78.11 ATOM 199 CB SER A 32 -63.809 -48.711 -44.063 1.00 73.35 ATOM 200 OG SER A 32 -63.293 -47.796 -45.011 1.00 70.30 ATOM 201 N SER A 33 -63.351 -52.059 -43.347 1.00 73.88 ATOM 202 CA SER A 33 -63.823 -53.216 -42.595 1.00 78.39 ATOM 203 C SER A 33 -62.717 -54.197 -42.226 1.00 76.56 ATOM 204 O SER A 33 -62.964 -55.113 -41.434 1.00 80.43 ATOM 205 CB SER A 33 -64.910 -53.956 -43.389 1.00 81.35 ATOM 206 OG SER A 33 -64.421 -54.367 -44.656 1.00 77.45 ATOM 207 N LYS A 34 -61.514 -54.024 -42.769 1.00 76.03 ATOM 208 CA LYS A 34 -60.413 -54.951 -42.542 1.00 72.51 ATOM 209 C LYS A 34 -59.912 -54.882 -41.106 1.00 71.67 ATOM 210 O LYS A 34 -59.755 -53.798 -40.540 1.00 71.13 ATOM 211 CB LYS A 34 -59.260 -54.632 -43.491 1.00 67.85 ATOM 212 CG LYS A 34 -58.065 -55.536 -43.346 1.00 64.43 ATOM 213 CD LYS A 34 -56.989 -55.178 -44.338 1.00 60.54 ATOM 214 CE LYS A 34 -55.817 -56.136 -44.229 1.00 57.68 ATOM 215 NZ LYS A 34 -55.161 -56.049 -42.894 1.00 56.40 TER