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 G 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 G 32 ASP THR MET ALA LEU TRP LEU GLY LEU ARG ALA VAL LEU SEQRES 2 G 32 VAL VAL ALA GLY LEU ALA VAL LEU LEU GLN LEU ILE ARG SEQRES 3 G 32 GLY TRP LEU SER SER LYS ATOM 1 N ASP G -1 -45.438 61.058 -91.580 1.00118.00 ATOM 2 CA ASP G -1 -46.196 60.720 -92.780 1.00119.87 ATOM 3 C ASP G -1 -45.564 59.538 -93.511 1.00116.16 ATOM 4 O ASP G -1 -46.216 58.521 -93.743 1.00119.72 ATOM 5 CB ASP G -1 -46.299 61.935 -93.707 1.00117.74 ATOM 6 CG ASP G -1 -44.997 62.709 -93.806 1.00110.48 ATOM 7 OD1 ASP G -1 -44.007 62.301 -93.161 1.00106.71 ATOM 8 OD2 ASP G -1 -44.966 63.728 -94.529 1.00107.70 ATOM 9 N THR G 0 -44.290 59.678 -93.870 1.00123.52 ATOM 10 CA THR G 0 -43.529 58.597 -94.495 1.00116.81 ATOM 11 C THR G 0 -42.809 57.843 -93.385 1.00116.41 ATOM 12 O THR G 0 -41.793 58.306 -92.859 1.00110.36 ATOM 13 CB THR G 0 -42.549 59.147 -95.525 1.00105.29 ATOM 14 OG1 THR G 0 -41.516 59.886 -94.857 1.00103.22 ATOM 15 CG2 THR G 0 -43.273 60.062 -96.507 1.00105.64 ATOM 16 N MET G 1 -43.334 56.675 -93.027 1.00111.36 ATOM 17 CA MET G 1 -42.879 55.941 -91.857 1.00111.71 ATOM 18 C MET G 1 -42.217 54.628 -92.255 1.00106.96 ATOM 19 O MET G 1 -42.687 53.927 -93.159 1.00108.58 ATOM 20 CB MET G 1 -44.044 55.669 -90.904 1.00120.65 ATOM 21 CG MET G 1 -44.734 56.930 -90.422 1.00123.42 ATOM 22 SD MET G 1 -43.576 58.087 -89.666 1.00117.04 ATOM 23 CE MET G 1 -43.025 57.136 -88.252 1.00115.08 ATOM 24 N ALA G 2 -41.115 54.312 -91.571 1.00110.96 ATOM 25 CA ALA G 2 -40.451 53.020 -91.663 1.00106.33 ATOM 26 C ALA G 2 -41.053 51.998 -90.710 1.00113.87 ATOM 27 O ALA G 2 -40.401 50.996 -90.392 1.00110.16 ATOM 28 CB ALA G 2 -38.953 53.174 -91.391 1.00 96.94 ATOM 29 N LEU G 3 -42.279 52.240 -90.242 1.00 99.90 ATOM 30 CA LEU G 3 -42.940 51.302 -89.345 1.00105.86 ATOM 31 C LEU G 3 -43.145 49.940 -89.996 1.00108.21 ATOM 32 O LEU G 3 -43.222 48.927 -89.293 1.00110.43 ATOM 33 CB LEU G 3 -44.281 51.876 -88.886 1.00112.12 ATOM 34 CG LEU G 3 -45.017 51.113 -87.784 1.00114.92 ATOM 35 CD1 LEU G 3 -44.182 51.050 -86.514 1.00110.88 ATOM 36 CD2 LEU G 3 -46.374 51.745 -87.514 1.00117.19 ATOM 37 N TRP G 4 -43.231 49.888 -91.329 1.00 99.95 ATOM 38 CA TRP G 4 -43.438 48.601 -91.986 1.00101.58 ATOM 39 C TRP G 4 -42.216 47.705 -91.838 1.00 93.64 ATOM 40 O TRP G 4 -42.352 46.493 -91.631 1.00 96.85 ATOM 41 CB TRP G 4 -43.776 48.797 -93.464 1.00 99.85 ATOM 42 CG TRP G 4 -43.938 47.495 -94.192 1.00 99.66 ATOM 43 CD1 TRP G 4 -43.001 46.855 -94.955 1.00 89.50 ATOM 44 CD2 TRP G 4 -45.102 46.657 -94.200 1.00109.45 ATOM 45 NE1 TRP G 4 -43.515 45.679 -95.447 1.00 92.40 ATOM 46 CE2 TRP G 4 -44.802 45.534 -94.998 1.00104.76 ATOM 47 CE3 TRP G 4 -46.369 46.751 -93.615 1.00120.06 ATOM 48 CZ2 TRP G 4 -45.724 44.513 -95.226 1.00111.41 ATOM 49 CZ3 TRP G 4 -47.282 45.737 -93.842 1.00125.88 ATOM 50 CH2 TRP G 4 -46.955 44.633 -94.640 1.00122.97 ATOM 51 N LEU G 5 -41.015 48.277 -91.951 1.00111.70 ATOM 52 CA LEU G 5 -39.816 47.473 -91.757 1.00103.74 ATOM 53 C LEU G 5 -39.687 47.028 -90.308 1.00106.68 ATOM 54 O LEU G 5 -39.091 45.981 -90.030 1.00103.72 ATOM 55 CB LEU G 5 -38.582 48.272 -92.179 1.00 93.18 ATOM 56 CG LEU G 5 -38.426 48.541 -93.678 1.00 92.01 ATOM 57 CD1 LEU G 5 -37.212 49.421 -93.937 1.00 91.47 ATOM 58 CD2 LEU G 5 -38.333 47.241 -94.465 1.00 91.43 ATOM 59 N GLY G 6 -40.242 47.807 -89.383 1.00101.53 ATOM 60 CA GLY G 6 -40.312 47.515 -87.969 1.00104.92 ATOM 61 C GLY G 6 -41.609 46.916 -87.474 1.00115.64 ATOM 62 O GLY G 6 -41.751 46.711 -86.265 1.00117.06 ATOM 63 N LEU G 7 -42.565 46.635 -88.365 1.00110.81 ATOM 64 CA LEU G 7 -43.878 46.161 -87.931 1.00117.74 ATOM 65 C LEU G 7 -43.781 44.852 -87.159 1.00118.21 ATOM 66 O LEU G 7 -44.404 44.698 -86.102 1.00117.11 ATOM 67 CB LEU G 7 -44.803 46.003 -89.137 1.00122.01 ATOM 68 CG LEU G 7 -46.277 45.786 -88.794 1.00124.75 ATOM 69 CD1 LEU G 7 -46.876 47.043 -88.181 1.00123.09 ATOM 70 CD2 LEU G 7 -47.062 45.355 -90.020 1.00129.67 ATOM 71 N ARG G 8 -43.008 43.893 -87.670 1.00124.75 ATOM 72 CA ARG G 8 -42.870 42.624 -86.964 1.00124.82 ATOM 73 C ARG G 8 -42.200 42.830 -85.612 1.00120.90 ATOM 74 O ARG G 8 -42.617 42.246 -84.605 1.00120.30 ATOM 75 CB ARG G 8 -42.085 41.632 -87.821 1.00124.21 ATOM 76 CG ARG G 8 -42.117 40.202 -87.315 1.00124.46 ATOM 77 CD ARG G 8 -41.426 39.265 -88.291 1.00122.07 ATOM 78 NE ARG G 8 -39.977 39.433 -88.294 1.00110.65 ATOM 79 CZ ARG G 8 -39.135 38.743 -87.530 1.00106.43 ATOM 80 NH1 ARG G 8 -39.598 37.957 -86.566 1.00112.65 ATOM 81 NH2 ARG G 8 -37.830 38.962 -87.628 1.00 95.33 ATOM 82 N ALA G 9 -41.186 43.694 -85.564 1.00122.48 ATOM 83 CA ALA G 9 -40.473 43.943 -84.317 1.00117.56 ATOM 84 C ALA G 9 -41.350 44.673 -83.307 1.00119.10 ATOM 85 O ALA G 9 -41.358 44.326 -82.120 1.00118.04 ATOM 86 CB ALA G 9 -39.204 44.738 -84.600 1.00106.50 ATOM 87 N VAL G 10 -42.071 45.706 -83.751 1.00117.58 ATOM 88 CA VAL G 10 -42.989 46.413 -82.859 1.00117.09 ATOM 89 C VAL G 10 -44.062 45.465 -82.342 1.00118.48 ATOM 90 O VAL G 10 -44.435 45.507 -81.162 1.00116.92 ATOM 91 CB VAL G 10 -43.601 47.631 -83.578 1.00118.53 ATOM 92 CG1 VAL G 10 -44.738 48.219 -82.759 1.00118.20 ATOM 93 CG2 VAL G 10 -42.534 48.683 -83.837 1.00114.85 ATOM 94 N LEU G 11 -44.575 44.593 -83.214 1.00118.07 ATOM 95 CA LEU G 11 -45.573 43.618 -82.786 1.00119.05 ATOM 96 C LEU G 11 -45.001 42.680 -81.732 1.00117.13 ATOM 97 O LEU G 11 -45.666 42.375 -80.735 1.00116.61 ATOM 98 CB LEU G 11 -46.087 42.823 -83.985 1.00122.70 ATOM 99 CG LEU G 11 -47.168 43.494 -84.833 1.00126.06 ATOM 100 CD1 LEU G 11 -47.567 42.590 -85.985 1.00129.43 ATOM 101 CD2 LEU G 11 -48.378 43.852 -83.983 1.00125.24 ATOM 102 N VAL G 12 -43.765 42.219 -81.933 1.00117.23 ATOM 103 CA VAL G 12 -43.154 41.308 -80.973 1.00116.96 ATOM 104 C VAL G 12 -42.940 42.007 -79.637 1.00117.97 ATOM 105 O VAL G 12 -43.209 41.433 -78.576 1.00120.33 ATOM 106 CB VAL G 12 -41.837 40.744 -81.539 1.00116.04 ATOM 107 CG1 VAL G 12 -40.979 40.161 -80.430 1.00116.22 ATOM 108 CG2 VAL G 12 -42.124 39.690 -82.591 1.00117.58 ATOM 109 N VAL G 13 -42.493 43.265 -79.662 1.00122.33 ATOM 110 CA VAL G 13 -42.273 44.002 -78.417 1.00119.17 ATOM 111 C VAL G 13 -43.588 44.203 -77.673 1.00120.17 ATOM 112 O VAL G 13 -43.677 43.975 -76.459 1.00119.25 ATOM 113 CB VAL G 13 -41.574 45.345 -78.696 1.00117.23 ATOM 114 CG1 VAL G 13 -41.541 46.194 -77.435 1.00114.73 ATOM 115 CG2 VAL G 13 -40.171 45.114 -79.202 1.00114.88 ATOM 116 N ALA G 14 -44.630 44.639 -78.388 1.00122.08 ATOM 117 CA ALA G 14 -45.917 44.875 -77.741 1.00123.40 ATOM 118 C ALA G 14 -46.504 43.583 -77.185 1.00124.54 ATOM 119 O ALA G 14 -47.003 43.556 -76.051 1.00125.16 ATOM 120 CB ALA G 14 -46.889 45.525 -78.726 1.00125.67 ATOM 121 N GLY G 15 -46.439 42.498 -77.960 1.00126.22 ATOM 122 CA GLY G 15 -46.957 41.229 -77.483 1.00127.61 ATOM 123 C GLY G 15 -46.194 40.705 -76.284 1.00126.04 ATOM 124 O GLY G 15 -46.791 40.195 -75.335 1.00127.75 ATOM 125 N LEU G 16 -44.864 40.835 -76.303 1.00128.14 ATOM 126 CA LEU G 16 -44.063 40.399 -75.167 1.00127.56 ATOM 127 C LEU G 16 -44.389 41.208 -73.920 1.00128.99 ATOM 128 O LEU G 16 -44.523 40.644 -72.831 1.00131.05 ATOM 129 CB LEU G 16 -42.573 40.498 -75.498 1.00124.85 ATOM 130 CG LEU G 16 -42.004 39.404 -76.402 1.00124.79 ATOM 131 CD1 LEU G 16 -40.502 39.565 -76.562 1.00122.22 ATOM 132 CD2 LEU G 16 -42.343 38.029 -75.854 1.00126.57 ATOM 133 N ALA G 17 -44.528 42.530 -74.058 1.00129.19 ATOM 134 CA ALA G 17 -44.863 43.359 -72.902 1.00130.43 ATOM 135 C ALA G 17 -46.229 42.988 -72.334 1.00133.46 ATOM 136 O ALA G 17 -46.386 42.814 -71.117 1.00136.14 ATOM 137 CB ALA G 17 -44.820 44.837 -73.288 1.00128.74 ATOM 138 N VAL G 18 -47.230 42.847 -73.209 1.00131.96 ATOM 139 CA VAL G 18 -48.580 42.523 -72.752 1.00135.52 ATOM 140 C VAL G 18 -48.609 41.148 -72.095 1.00137.75 ATOM 141 O VAL G 18 -49.214 40.965 -71.029 1.00141.06 ATOM 142 CB VAL G 18 -49.574 42.615 -73.925 1.00135.35 ATOM 143 CG1 VAL G 18 -50.924 42.034 -73.532 1.00138.21 ATOM 144 CG2 VAL G 18 -49.726 44.059 -74.378 1.00134.45 ATOM 145 N LEU G 19 -47.942 40.164 -72.706 1.00134.98 ATOM 146 CA LEU G 19 -47.944 38.813 -72.160 1.00137.37 ATOM 147 C LEU G 19 -47.175 38.741 -70.847 1.00138.41 ATOM 148 O LEU G 19 -47.577 38.015 -69.934 1.00141.43 ATOM 149 CB LEU G 19 -47.363 37.835 -73.181 1.00135.60 ATOM 150 CG LEU G 19 -47.826 36.383 -73.053 1.00138.45 ATOM 151 CD1 LEU G 19 -49.319 36.273 -73.316 1.00140.81 ATOM 152 CD2 LEU G 19 -47.045 35.488 -73.999 1.00136.79 ATOM 153 N LEU G 20 -46.070 39.481 -70.728 1.00138.67 ATOM 154 CA LEU G 20 -45.340 39.525 -69.466 1.00139.83 ATOM 155 C LEU G 20 -46.200 40.129 -68.363 1.00143.18 ATOM 156 O LEU G 20 -46.245 39.608 -67.242 1.00146.11 ATOM 157 CB LEU G 20 -44.035 40.307 -69.633 1.00136.86 ATOM 158 CG LEU G 20 -43.277 40.634 -68.341 1.00138.69 ATOM 159 CD1 LEU G 20 -42.823 39.360 -67.643 1.00140.52 ATOM 160 CD2 LEU G 20 -42.089 41.542 -68.617 1.00135.86 ATOM 161 N GLN G 21 -46.880 41.242 -68.657 1.00141.68 ATOM 162 CA GLN G 21 -47.764 41.841 -67.660 1.00144.66 ATOM 163 C GLN G 21 -48.873 40.873 -67.257 1.00148.01 ATOM 164 O GLN G 21 -49.185 40.732 -66.066 1.00151.39 ATOM 165 CB GLN G 21 -48.351 43.146 -68.196 1.00143.51 ATOM 166 CG GLN G 21 -47.328 44.261 -68.330 1.00141.10 ATOM 167 CD GLN G 21 -46.607 44.537 -67.026 1.00143.06 ATOM 168 OE1 GLN G 21 -45.452 44.150 -66.848 1.00141.59 ATOM 169 NE2 GLN G 21 -47.287 45.213 -66.106 1.00145.78 ATOM 170 N LEU G 22 -49.463 40.182 -68.238 1.00139.58 ATOM 171 CA LEU G 22 -50.537 39.237 -67.948 1.00142.79 ATOM 172 C LEU G 22 -50.037 38.075 -67.097 1.00145.57 ATOM 173 O LEU G 22 -50.702 37.665 -66.139 1.00149.43 ATOM 174 CB LEU G 22 -51.145 38.729 -69.259 1.00141.70 ATOM 175 CG LEU G 22 -52.496 38.006 -69.236 1.00144.75 ATOM 176 CD1 LEU G 22 -53.201 38.196 -70.570 1.00142.64 ATOM 177 CD2 LEU G 22 -52.346 36.519 -68.924 1.00146.77 ATOM 178 N ILE G 23 -48.861 37.537 -67.428 1.00134.94 ATOM 179 CA ILE G 23 -48.320 36.403 -66.687 1.00136.59 ATOM 180 C ILE G 23 -47.918 36.817 -65.277 1.00139.14 ATOM 181 O ILE G 23 -48.073 36.037 -64.334 1.00142.55 ATOM 182 CB ILE G 23 -47.144 35.776 -67.459 1.00133.91 ATOM 183 CG1 ILE G 23 -47.639 35.151 -68.766 1.00132.35 ATOM 184 CG2 ILE G 23 -46.437 34.723 -66.614 1.00136.29 ATOM 185 CD1 ILE G 23 -46.535 34.586 -69.631 1.00129.29 ATOM 186 N ARG G 24 -47.420 38.043 -65.095 1.00144.54 ATOM 187 CA ARG G 24 -47.095 38.503 -63.746 1.00146.36 ATOM 188 C ARG G 24 -48.355 38.699 -62.910 1.00150.55 ATOM 189 O ARG G 24 -48.395 38.311 -61.734 1.00154.05 ATOM 190 CB ARG G 24 -46.284 39.797 -63.802 1.00142.96 ATOM 191 CG ARG G 24 -44.841 39.621 -64.251 1.00140.49 ATOM 192 CD ARG G 24 -44.056 40.920 -64.101 1.00138.71 ATOM 193 NE ARG G 24 -42.683 40.793 -64.583 1.00134.98 ATOM 194 CZ ARG G 24 -41.666 40.364 -63.841 1.00135.72 ATOM 195 NH1 ARG G 24 -41.863 40.018 -62.575 1.00139.24 ATOM 196 NH2 ARG G 24 -40.450 40.282 -64.367 1.00133.37 ATOM 197 N GLY G 25 -49.393 39.305 -63.495 1.00136.04 ATOM 198 CA GLY G 25 -50.663 39.400 -62.792 1.00140.22 ATOM 199 C GLY G 25 -51.227 38.036 -62.443 1.00143.61 ATOM 200 O GLY G 25 -51.837 37.855 -61.386 1.00147.97 ATOM 201 N TRP G 26 -51.018 37.054 -63.324 1.00131.84 ATOM 202 CA TRP G 26 -51.448 35.690 -63.038 1.00135.05 ATOM 203 C TRP G 26 -50.646 35.088 -61.889 1.00137.19 ATOM 204 O TRP G 26 -51.217 34.459 -60.992 1.00141.38 ATOM 205 CB TRP G 26 -51.321 34.832 -64.297 1.00132.95 ATOM 206 CG TRP G 26 -52.071 33.541 -64.231 1.00136.35 ATOM 207 CD1 TRP G 26 -53.221 33.294 -63.539 1.00140.57 ATOM 208 CD2 TRP G 26 -51.719 32.313 -64.876 1.00136.08 ATOM 209 NE1 TRP G 26 -53.609 31.988 -63.717 1.00142.93 ATOM 210 CE2 TRP G 26 -52.703 31.364 -64.533 1.00140.27 ATOM 211 CE3 TRP G 26 -50.667 31.924 -65.711 1.00132.89 ATOM 212 CZ2 TRP G 26 -52.667 30.051 -64.997 1.00141.38 ATOM 213 CZ3 TRP G 26 -50.634 30.620 -66.170 1.00134.00 ATOM 214 CH2 TRP G 26 -51.627 29.699 -65.812 1.00138.22 ATOM 215 N LEU G 27 -49.321 35.270 -61.899 1.00134.51 ATOM 216 CA LEU G 27 -48.493 34.760 -60.810 1.00136.44 ATOM 217 C LEU G 27 -48.867 35.404 -59.483 1.00139.52 ATOM 218 O LEU G 27 -48.719 34.781 -58.425 1.00142.84 ATOM 219 CB LEU G 27 -47.004 34.985 -61.103 1.00132.84 ATOM 220 CG LEU G 27 -46.322 34.427 -62.363 1.00129.51 ATOM 221 CD1 LEU G 27 -44.811 34.315 -62.163 1.00127.76 ATOM 222 CD2 LEU G 27 -46.902 33.099 -62.816 1.00131.42 ATOM 223 N SER G 28 -49.357 36.643 -59.520 1.00138.69 ATOM 224 CA SER G 28 -49.750 37.342 -58.304 1.00141.68 ATOM 225 C SER G 28 -51.180 37.047 -57.865 1.00145.95 ATOM 226 O SER G 28 -51.495 37.224 -56.683 1.00149.52 ATOM 227 CB SER G 28 -49.585 38.854 -58.490 1.00139.16 ATOM 228 OG SER G 28 -48.252 39.181 -58.844 1.00135.44 ATOM 229 N SER G 29 -52.047 36.604 -58.775 1.00136.84 ATOM 230 CA SER G 29 -53.464 36.414 -58.484 1.00139.56 ATOM 231 C SER G 29 -53.925 34.990 -58.777 1.00133.89 ATOM 232 O SER G 29 -55.048 34.768 -59.237 1.00135.71 ATOM 233 CB SER G 29 -54.313 37.414 -59.265 1.00146.56 ATOM 234 OG SER G 29 -53.943 38.745 -58.954 1.00153.78 ATOM 235 N LYS G 30 -53.070 34.007 -58.505 1.00132.39 ATOM 236 CA LYS G 30 -53.405 32.604 -58.700 1.00128.11 ATOM 237 C LYS G 30 -53.259 31.857 -57.382 1.00126.29 ATOM 238 O LYS G 30 -52.329 32.112 -56.607 1.00125.25 ATOM 239 CB LYS G 30 -52.529 31.952 -59.787 1.00124.14 ATOM 240 CG LYS G 30 -51.301 31.228 -59.272 1.00120.09 ATOM 241 CD LYS G 30 -50.538 30.573 -60.396 1.00117.61 ATOM 242 CE LYS G 30 -49.475 31.499 -60.934 1.00118.83 ATOM 243 NZ LYS G 30 -48.098 31.116 -60.504 1.00116.26 TER