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 G 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 G 33 VAL ASP THR MET ALA LEU TRP LEU GLY LEU ARG ALA VAL SEQRES 2 G 33 LEU VAL VAL ALA GLY LEU ALA VAL LEU LEU GLN LEU ILE SEQRES 3 G 33 ARG GLY TRP LEU SER SER LYS ATOM 1 N VAL G -2 -38.167 45.768 39.573 1.00136.63 ATOM 2 CA VAL G -2 -38.829 45.861 40.869 1.00132.96 ATOM 3 C VAL G -2 -40.244 46.395 40.689 1.00130.69 ATOM 4 O VAL G -2 -41.194 45.855 41.258 1.00126.33 ATOM 5 CB VAL G -2 -38.028 46.740 41.853 1.00135.71 ATOM 6 CG1 VAL G -2 -38.886 47.118 43.051 1.00132.66 ATOM 7 CG2 VAL G -2 -36.778 46.015 42.313 1.00137.09 ATOM 8 N ASP G -1 -40.381 47.458 39.892 1.00142.22 ATOM 9 CA ASP G -1 -41.708 47.999 39.619 1.00134.60 ATOM 10 C ASP G -1 -42.599 46.951 38.953 1.00128.16 ATOM 11 O ASP G -1 -43.780 46.825 39.298 1.00123.22 ATOM 12 CB ASP G -1 -41.602 49.265 38.760 1.00141.53 ATOM 13 CG ASP G -1 -41.083 50.471 39.541 1.00153.15 ATOM 14 OD1 ASP G -1 -41.136 50.460 40.788 1.00155.22 ATOM 15 OD2 ASP G -1 -40.628 51.442 38.901 1.00148.54 ATOM 16 N THR G 0 -42.045 46.171 38.015 1.00141.16 ATOM 17 CA THR G 0 -42.791 45.063 37.421 1.00131.55 ATOM 18 C THR G 0 -42.778 43.828 38.311 1.00129.95 ATOM 19 O THR G 0 -43.751 43.064 38.317 1.00120.25 ATOM 20 CB THR G 0 -42.220 44.686 36.054 1.00128.35 ATOM 21 OG1 THR G 0 -40.919 44.114 36.220 1.00130.84 ATOM 22 CG2 THR G 0 -42.116 45.901 35.180 1.00133.09 ATOM 23 N MET G 1 -41.681 43.600 39.039 1.00144.40 ATOM 24 CA MET G 1 -41.625 42.479 39.973 1.00138.40 ATOM 25 C MET G 1 -42.716 42.597 41.026 1.00143.01 ATOM 26 O MET G 1 -43.318 41.593 41.427 1.00142.01 ATOM 27 CB MET G 1 -40.243 42.419 40.628 1.00135.06 ATOM 28 CG MET G 1 -40.043 41.287 41.630 1.00130.99 ATOM 29 SD MET G 1 -38.407 41.327 42.403 1.00137.89 ATOM 30 CE MET G 1 -37.332 41.190 40.974 1.00128.57 ATOM 31 N ALA G 2 -42.992 43.820 41.479 1.00144.64 ATOM 32 CA ALA G 2 -44.071 44.049 42.428 1.00135.74 ATOM 33 C ALA G 2 -45.420 44.228 41.745 1.00130.26 ATOM 34 O ALA G 2 -46.454 44.024 42.389 1.00124.55 ATOM 35 CB ALA G 2 -43.759 45.272 43.292 1.00129.64 ATOM 36 N LEU G 3 -45.435 44.596 40.461 1.00130.73 ATOM 37 CA LEU G 3 -46.704 44.752 39.754 1.00129.84 ATOM 38 C LEU G 3 -47.401 43.410 39.566 1.00127.75 ATOM 39 O LEU G 3 -48.633 43.332 39.640 1.00124.09 ATOM 40 CB LEU G 3 -46.475 45.456 38.413 1.00133.88 ATOM 41 CG LEU G 3 -47.685 45.840 37.555 1.00134.21 ATOM 42 CD1 LEU G 3 -47.331 47.035 36.703 1.00139.16 ATOM 43 CD2 LEU G 3 -48.143 44.694 36.659 1.00132.54 ATOM 44 N TRP G 4 -46.630 42.346 39.318 1.00145.51 ATOM 45 CA TRP G 4 -47.206 41.005 39.236 1.00140.39 ATOM 46 C TRP G 4 -47.947 40.637 40.510 1.00132.47 ATOM 47 O TRP G 4 -49.036 40.050 40.456 1.00126.25 ATOM 48 CB TRP G 4 -46.123 39.970 38.935 1.00135.91 ATOM 49 CG TRP G 4 -45.892 39.777 37.483 1.00144.34 ATOM 50 CD1 TRP G 4 -44.876 40.287 36.728 1.00147.76 ATOM 51 CD2 TRP G 4 -46.703 39.001 36.599 1.00144.49 ATOM 52 NE1 TRP G 4 -45.010 39.877 35.420 1.00147.93 ATOM 53 CE2 TRP G 4 -46.124 39.086 35.316 1.00146.54 ATOM 54 CE3 TRP G 4 -47.867 38.242 36.768 1.00135.08 ATOM 55 CZ2 TRP G 4 -46.669 38.440 34.207 1.00140.26 ATOM 56 CZ3 TRP G 4 -48.406 37.603 35.670 1.00133.55 ATOM 57 CH2 TRP G 4 -47.808 37.706 34.404 1.00137.97 ATOM 58 N LEU G 5 -47.362 40.952 41.665 1.00135.45 ATOM 59 CA LEU G 5 -47.969 40.555 42.928 1.00136.28 ATOM 60 C LEU G 5 -49.343 41.195 43.079 1.00132.48 ATOM 61 O LEU G 5 -50.316 40.527 43.453 1.00127.29 ATOM 62 CB LEU G 5 -47.053 40.972 44.081 1.00133.76 ATOM 63 CG LEU G 5 -45.613 40.435 44.043 1.00130.88 ATOM 64 CD1 LEU G 5 -44.762 41.027 45.174 1.00128.07 ATOM 65 CD2 LEU G 5 -45.555 38.904 44.035 1.00120.41 ATOM 66 N GLY G 6 -49.439 42.490 42.771 1.00129.73 ATOM 67 CA GLY G 6 -50.718 43.173 42.835 1.00129.44 ATOM 68 C GLY G 6 -51.713 42.683 41.799 1.00128.02 ATOM 69 O GLY G 6 -52.887 42.464 42.109 1.00124.09 ATOM 70 N LEU G 7 -51.260 42.499 40.557 1.00126.87 ATOM 71 CA LEU G 7 -52.187 42.127 39.495 1.00126.13 ATOM 72 C LEU G 7 -52.634 40.674 39.599 1.00123.70 ATOM 73 O LEU G 7 -53.771 40.360 39.227 1.00123.56 ATOM 74 CB LEU G 7 -51.551 42.396 38.128 1.00128.24 ATOM 75 CG LEU G 7 -52.350 42.087 36.856 1.00125.64 ATOM 76 CD1 LEU G 7 -52.053 43.134 35.793 1.00128.45 ATOM 77 CD2 LEU G 7 -52.051 40.692 36.322 1.00125.93 ATOM 78 N ARG G 8 -51.780 39.775 40.102 1.00130.07 ATOM 79 CA ARG G 8 -52.229 38.397 40.287 1.00127.52 ATOM 80 C ARG G 8 -53.324 38.313 41.343 1.00119.45 ATOM 81 O ARG G 8 -54.308 37.586 41.168 1.00118.77 ATOM 82 CB ARG G 8 -51.066 37.478 40.666 1.00131.45 ATOM 83 CG ARG G 8 -51.555 36.068 41.018 1.00132.29 ATOM 84 CD ARG G 8 -50.448 35.040 41.212 1.00135.17 ATOM 85 NE ARG G 8 -51.011 33.732 41.556 1.00133.28 ATOM 86 CZ ARG G 8 -50.302 32.617 41.714 1.00132.79 ATOM 87 NH1 ARG G 8 -48.984 32.633 41.561 1.00134.61 ATOM 88 NH2 ARG G 8 -50.914 31.483 42.027 1.00129.81 ATOM 89 N ALA G 9 -53.168 39.048 42.446 1.00123.62 ATOM 90 CA ALA G 9 -54.183 39.031 43.492 1.00118.11 ATOM 91 C ALA G 9 -55.495 39.616 42.990 1.00113.64 ATOM 92 O ALA G 9 -56.574 39.102 43.304 1.00111.73 ATOM 93 CB ALA G 9 -53.684 39.786 44.721 1.00114.97 ATOM 94 N VAL G 10 -55.422 40.697 42.212 1.00114.87 ATOM 95 CA VAL G 10 -56.629 41.266 41.622 1.00111.00 ATOM 96 C VAL G 10 -57.274 40.269 40.668 1.00112.48 ATOM 97 O VAL G 10 -58.503 40.149 40.613 1.00114.54 ATOM 98 CB VAL G 10 -56.308 42.602 40.927 1.00113.59 ATOM 99 CG1 VAL G 10 -57.515 43.109 40.162 1.00114.75 ATOM 100 CG2 VAL G 10 -55.877 43.635 41.954 1.00115.25 ATOM 101 N LEU G 11 -56.459 39.519 39.917 1.00118.84 ATOM 102 CA LEU G 11 -57.012 38.512 39.014 1.00119.03 ATOM 103 C LEU G 11 -57.714 37.401 39.786 1.00117.03 ATOM 104 O LEU G 11 -58.800 36.957 39.399 1.00116.65 ATOM 105 CB LEU G 11 -55.909 37.920 38.132 1.00119.65 ATOM 106 CG LEU G 11 -55.456 38.689 36.888 1.00121.92 ATOM 107 CD1 LEU G 11 -54.440 37.874 36.101 1.00124.53 ATOM 108 CD2 LEU G 11 -56.641 39.054 36.007 1.00121.42 ATOM 109 N VAL G 12 -57.112 36.948 40.886 1.00112.32 ATOM 110 CA VAL G 12 -57.732 35.910 41.707 1.00109.38 ATOM 111 C VAL G 12 -59.039 36.411 42.306 1.00107.98 ATOM 112 O VAL G 12 -60.054 35.703 42.303 1.00109.06 ATOM 113 CB VAL G 12 -56.755 35.437 42.800 1.00106.82 ATOM 114 CG1 VAL G 12 -57.471 34.573 43.825 1.00102.36 ATOM 115 CG2 VAL G 12 -55.611 34.669 42.176 1.00108.44 ATOM 116 N VAL G 13 -59.039 37.638 42.826 1.00108.48 ATOM 117 CA VAL G 13 -60.254 38.182 43.424 1.00107.96 ATOM 118 C VAL G 13 -61.348 38.331 42.373 1.00108.72 ATOM 119 O VAL G 13 -62.510 37.980 42.613 1.00109.10 ATOM 120 CB VAL G 13 -59.952 39.515 44.131 1.00110.74 ATOM 121 CG1 VAL G 13 -61.245 40.175 44.602 1.00114.71 ATOM 122 CG2 VAL G 13 -58.986 39.291 45.288 1.00108.02 ATOM 123 N ALA G 14 -60.993 38.816 41.178 1.00107.47 ATOM 124 CA ALA G 14 -61.997 38.996 40.136 1.00109.80 ATOM 125 C ALA G 14 -62.535 37.659 39.648 1.00110.69 ATOM 126 O ALA G 14 -63.743 37.512 39.438 1.00111.25 ATOM 127 CB ALA G 14 -61.411 39.800 38.976 1.00105.31 ATOM 128 N GLY G 15 -61.666 36.660 39.498 1.00106.94 ATOM 129 CA GLY G 15 -62.136 35.359 39.064 1.00107.12 ATOM 130 C GLY G 15 -63.040 34.701 40.086 1.00104.92 ATOM 131 O GLY G 15 -64.085 34.145 39.735 1.00106.14 ATOM 132 N LEU G 16 -62.665 34.773 41.368 1.00108.00 ATOM 133 CA LEU G 16 -63.513 34.210 42.413 1.00102.68 ATOM 134 C LEU G 16 -64.843 34.949 42.514 1.00105.01 ATOM 135 O LEU G 16 -65.891 34.321 42.712 1.00107.37 ATOM 136 CB LEU G 16 -62.779 34.237 43.752 1.00 99.42 ATOM 137 CG LEU G 16 -61.674 33.189 43.889 1.00 96.46 ATOM 138 CD1 LEU G 16 -61.125 33.148 45.311 1.00 94.24 ATOM 139 CD2 LEU G 16 -62.169 31.826 43.443 1.00 94.28 ATOM 140 N ALA G 17 -64.828 36.277 42.361 1.00101.78 ATOM 141 CA ALA G 17 -66.073 37.037 42.398 1.00102.60 ATOM 142 C ALA G 17 -66.969 36.670 41.226 1.00101.90 ATOM 143 O ALA G 17 -68.189 36.523 41.384 1.00103.38 ATOM 144 CB ALA G 17 -65.772 38.536 42.390 1.00102.41 ATOM 145 N VAL G 18 -66.372 36.485 40.051 1.00100.16 ATOM 146 CA VAL G 18 -67.140 36.130 38.869 1.00103.68 ATOM 147 C VAL G 18 -67.720 34.724 39.004 1.00104.31 ATOM 148 O VAL G 18 -68.878 34.485 38.641 1.00107.01 ATOM 149 CB VAL G 18 -66.252 36.312 37.619 1.00101.46 ATOM 150 CG1 VAL G 18 -66.078 35.018 36.846 1.00 99.90 ATOM 151 CG2 VAL G 18 -66.836 37.395 36.724 1.00104.42 ATOM 152 N LEU G 19 -66.955 33.790 39.579 1.00 98.85 ATOM 153 CA LEU G 19 -67.475 32.444 39.817 1.00 97.98 ATOM 154 C LEU G 19 -68.628 32.456 40.816 1.00 98.27 ATOM 155 O LEU G 19 -69.637 31.763 40.623 1.00 99.19 ATOM 156 CB LEU G 19 -66.352 31.525 40.304 1.00 95.83 ATOM 157 CG LEU G 19 -66.684 30.068 40.642 1.00 95.04 ATOM 158 CD1 LEU G 19 -65.559 29.139 40.220 1.00 94.22 ATOM 159 CD2 LEU G 19 -66.936 29.918 42.136 1.00 93.96 ATOM 160 N LEU G 20 -68.490 33.222 41.900 1.00100.38 ATOM 161 CA LEU G 20 -69.564 33.294 42.885 1.00104.77 ATOM 162 C LEU G 20 -70.818 33.918 42.283 1.00109.84 ATOM 163 O LEU G 20 -71.932 33.442 42.528 1.00113.17 ATOM 164 CB LEU G 20 -69.100 34.079 44.112 1.00104.36 ATOM 165 CG LEU G 20 -68.040 33.389 44.977 1.00100.71 ATOM 166 CD1 LEU G 20 -67.824 34.149 46.277 1.00100.28 ATOM 167 CD2 LEU G 20 -68.404 31.938 45.251 1.00100.70 ATOM 168 N GLN G 21 -70.658 34.976 41.480 1.00106.95 ATOM 169 CA GLN G 21 -71.820 35.597 40.848 1.00116.64 ATOM 170 C GLN G 21 -72.477 34.653 39.844 1.00118.17 ATOM 171 O GLN G 21 -73.710 34.613 39.737 1.00123.92 ATOM 172 CB GLN G 21 -71.424 36.919 40.185 1.00122.84 ATOM 173 CG GLN G 21 -71.087 38.035 41.175 1.00127.72 ATOM 174 CD GLN G 21 -70.785 39.365 40.492 1.00135.16 ATOM 175 OE1 GLN G 21 -69.632 39.672 40.181 1.00136.04 ATOM 176 NE2 GLN G 21 -71.825 40.165 40.262 1.00140.78 ATOM 177 N LEU G 22 -71.671 33.884 39.105 1.00113.52 ATOM 178 CA LEU G 22 -72.215 32.888 38.185 1.00111.31 ATOM 179 C LEU G 22 -73.014 31.826 38.933 1.00109.70 ATOM 180 O LEU G 22 -74.118 31.454 38.516 1.00114.63 ATOM 181 CB LEU G 22 -71.080 32.250 37.380 1.00107.27 ATOM 182 CG LEU G 22 -71.448 31.313 36.228 1.00109.95 ATOM 183 CD1 LEU G 22 -72.163 32.085 35.132 1.00116.04 ATOM 184 CD2 LEU G 22 -70.203 30.634 35.680 1.00107.50 ATOM 185 N ILE G 23 -72.467 31.317 40.042 1.00109.61 ATOM 186 CA ILE G 23 -73.178 30.297 40.810 1.00108.42 ATOM 187 C ILE G 23 -74.467 30.866 41.390 1.00114.27 ATOM 188 O ILE G 23 -75.509 30.199 41.396 1.00118.08 ATOM 189 CB ILE G 23 -72.275 29.711 41.914 1.00101.17 ATOM 190 CG1 ILE G 23 -71.109 28.927 41.310 1.00 97.51 ATOM 191 CG2 ILE G 23 -73.077 28.831 42.864 1.00101.65 ATOM 192 CD1 ILE G 23 -70.264 28.211 42.348 1.00 92.16 ATOM 193 N ARG G 24 -74.428 32.114 41.865 1.00111.03 ATOM 194 CA ARG G 24 -75.628 32.715 42.439 1.00114.60 ATOM 195 C ARG G 24 -76.708 32.904 41.380 1.00117.22 ATOM 196 O ARG G 24 -77.881 32.583 41.615 1.00119.42 ATOM 197 CB ARG G 24 -75.279 34.049 43.101 1.00118.34 ATOM 198 CG ARG G 24 -76.427 34.690 43.861 1.00125.99 ATOM 199 CD ARG G 24 -75.962 35.892 44.670 1.00127.64 ATOM 200 NE ARG G 24 -75.321 36.902 43.829 1.00131.16 ATOM 201 CZ ARG G 24 -74.802 38.040 44.283 1.00133.88 ATOM 202 NH1 ARG G 24 -74.849 38.323 45.579 1.00133.90 ATOM 203 NH2 ARG G 24 -74.237 38.897 43.441 1.00135.64 ATOM 204 N GLY G 25 -76.326 33.387 40.195 1.00113.06 ATOM 205 CA GLY G 25 -77.295 33.536 39.122 1.00117.69 ATOM 206 C GLY G 25 -77.854 32.208 38.648 1.00114.87 ATOM 207 O GLY G 25 -79.037 32.105 38.313 1.00118.95 ATOM 208 N TRP G 26 -77.012 31.174 38.611 1.00109.14 ATOM 209 CA TRP G 26 -77.502 29.852 38.245 1.00110.85 ATOM 210 C TRP G 26 -78.499 29.338 39.271 1.00111.29 ATOM 211 O TRP G 26 -79.539 28.776 38.909 1.00116.06 ATOM 212 CB TRP G 26 -76.331 28.883 38.104 1.00106.45 ATOM 213 CG TRP G 26 -76.744 27.456 37.906 1.00105.70 ATOM 214 CD1 TRP G 26 -77.584 26.967 36.948 1.00109.96 ATOM 215 CD2 TRP G 26 -76.334 26.331 38.692 1.00100.83 ATOM 216 NE1 TRP G 26 -77.717 25.605 37.087 1.00109.06 ATOM 217 CE2 TRP G 26 -76.959 25.192 38.150 1.00102.45 ATOM 218 CE3 TRP G 26 -75.496 26.177 39.800 1.00 93.80 ATOM 219 CZ2 TRP G 26 -76.771 23.920 38.676 1.00 98.46 ATOM 220 CZ3 TRP G 26 -75.311 24.915 40.319 1.00 92.12 ATOM 221 CH2 TRP G 26 -75.945 23.802 39.759 1.00 95.56 ATOM 222 N LEU G 27 -78.211 29.545 40.558 1.00107.49 ATOM 223 CA LEU G 27 -79.129 29.108 41.603 1.00109.98 ATOM 224 C LEU G 27 -80.433 29.895 41.573 1.00116.28 ATOM 225 O LEU G 27 -81.482 29.370 41.964 1.00116.35 ATOM 226 CB LEU G 27 -78.463 29.246 42.970 1.00107.21 ATOM 227 CG LEU G 27 -77.523 28.120 43.383 1.00102.93 ATOM 228 CD1 LEU G 27 -76.989 28.377 44.780 1.00100.76 ATOM 229 CD2 LEU G 27 -78.234 26.785 43.314 1.00104.35 ATOM 230 N SER G 28 -80.390 31.147 41.117 1.00106.64 ATOM 231 CA SER G 28 -81.599 31.954 41.037 1.00113.74 ATOM 232 C SER G 28 -82.443 31.627 39.814 1.00119.28 ATOM 233 O SER G 28 -83.650 31.887 39.825 1.00124.32 ATOM 234 CB SER G 28 -81.245 33.442 41.016 1.00113.80 ATOM 235 OG SER G 28 -80.485 33.770 39.863 1.00112.64 ATOM 236 N SER G 29 -81.840 31.076 38.763 1.00112.96 ATOM 237 CA SER G 29 -82.529 30.811 37.506 1.00115.02 ATOM 238 C SER G 29 -82.711 29.325 37.224 1.00112.87 ATOM 239 O SER G 29 -83.132 28.961 36.122 1.00116.75 ATOM 240 CB SER G 29 -81.767 31.459 36.351 1.00116.02 ATOM 241 OG SER G 29 -80.475 30.887 36.234 1.00110.61 ATOM 242 N LYS G 30 -82.408 28.464 38.185 1.00114.46 ATOM 243 CA LYS G 30 -82.494 27.026 37.989 1.00111.44 ATOM 244 C LYS G 30 -83.892 26.514 38.304 1.00108.98 ATOM 245 O LYS G 30 -84.601 27.061 39.152 1.00109.22 ATOM 246 CB LYS G 30 -81.472 26.307 38.876 1.00108.86 ATOM 247 CG LYS G 30 -81.291 24.837 38.572 1.00104.55 ATOM 248 CD LYS G 30 -80.313 24.205 39.534 1.00103.25 ATOM 249 CE LYS G 30 -80.257 22.705 39.325 1.00105.07 ATOM 250 NZ LYS G 30 -81.574 22.085 39.642 1.00102.87 TER