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 B 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 B 34 SER VAL ASP THR MET ALA LEU TRP LEU GLY LEU ARG ALA SEQRES 2 B 34 VAL LEU VAL VAL ALA GLY LEU ALA VAL LEU LEU GLN LEU SEQRES 3 B 34 ILE ARG GLY TRP LEU SER SER LYS ATOM 1 N SER B -3 -55.268 8.799 65.095 1.00142.41 ATOM 2 CA SER B -3 -54.806 9.346 63.826 1.00141.39 ATOM 3 C SER B -3 -53.864 8.366 63.122 1.00139.46 ATOM 4 O SER B -3 -53.616 8.486 61.922 1.00137.85 ATOM 5 CB SER B -3 -54.114 10.695 64.046 1.00144.86 ATOM 6 OG SER B -3 -54.991 11.634 64.646 1.00146.95 ATOM 7 N VAL B -2 -53.344 7.395 63.881 1.00140.85 ATOM 8 CA VAL B -2 -52.480 6.364 63.308 1.00149.48 ATOM 9 C VAL B -2 -53.301 5.335 62.534 1.00154.32 ATOM 10 O VAL B -2 -52.836 4.792 61.522 1.00149.39 ATOM 11 CB VAL B -2 -51.639 5.703 64.420 1.00158.61 ATOM 12 CG1 VAL B -2 -51.065 4.369 63.958 1.00151.24 ATOM 13 CG2 VAL B -2 -50.520 6.633 64.868 1.00152.23 ATOM 14 N ASP B -1 -54.529 5.056 62.985 1.00162.69 ATOM 15 CA ASP B -1 -55.385 4.099 62.288 1.00154.58 ATOM 16 C ASP B -1 -55.765 4.601 60.900 1.00150.89 ATOM 17 O ASP B -1 -55.906 3.807 59.962 1.00147.49 ATOM 18 CB ASP B -1 -56.646 3.816 63.109 1.00157.51 ATOM 19 CG ASP B -1 -56.356 3.073 64.404 1.00166.50 ATOM 20 OD1 ASP B -1 -55.312 2.391 64.487 1.00169.69 ATOM 21 OD2 ASP B -1 -57.183 3.166 65.338 1.00158.79 ATOM 22 N THR B 0 -55.947 5.918 60.752 1.00155.52 ATOM 23 CA THR B 0 -56.285 6.474 59.446 1.00148.47 ATOM 24 C THR B 0 -55.145 6.300 58.450 1.00149.41 ATOM 25 O THR B 0 -55.394 6.193 57.245 1.00141.79 ATOM 26 CB THR B 0 -56.655 7.955 59.575 1.00145.24 ATOM 27 OG1 THR B 0 -55.532 8.697 60.065 1.00148.03 ATOM 28 CG2 THR B 0 -57.827 8.135 60.530 1.00147.29 ATOM 29 N MET B 1 -53.899 6.256 58.933 1.00152.44 ATOM 30 CA MET B 1 -52.749 6.091 58.045 1.00149.07 ATOM 31 C MET B 1 -52.872 4.821 57.209 1.00154.33 ATOM 32 O MET B 1 -52.705 4.852 55.983 1.00155.71 ATOM 33 CB MET B 1 -51.454 6.070 58.863 1.00145.16 ATOM 34 CG MET B 1 -51.169 7.349 59.641 1.00146.67 ATOM 35 SD MET B 1 -50.425 8.655 58.640 1.00150.67 ATOM 36 CE MET B 1 -48.795 7.973 58.333 1.00138.09 ATOM 37 N ALA B 2 -53.162 3.689 57.856 1.00159.30 ATOM 38 CA ALA B 2 -53.318 2.437 57.127 1.00150.92 ATOM 39 C ALA B 2 -54.714 2.273 56.543 1.00145.72 ATOM 40 O ALA B 2 -54.883 1.528 55.571 1.00141.25 ATOM 41 CB ALA B 2 -52.994 1.251 58.039 1.00142.50 ATOM 42 N LEU B 3 -55.714 2.956 57.102 1.00146.56 ATOM 43 CA LEU B 3 -57.050 2.884 56.525 1.00144.19 ATOM 44 C LEU B 3 -57.095 3.571 55.167 1.00147.38 ATOM 45 O LEU B 3 -57.841 3.134 54.282 1.00144.16 ATOM 46 CB LEU B 3 -58.085 3.478 57.477 1.00146.97 ATOM 47 CG LEU B 3 -59.521 3.298 56.988 1.00145.33 ATOM 48 CD1 LEU B 3 -59.864 1.816 56.889 1.00136.59 ATOM 49 CD2 LEU B 3 -60.470 4.007 57.926 1.00136.67 ATOM 50 N TRP B 4 -56.315 4.647 54.986 1.00157.29 ATOM 51 CA TRP B 4 -56.224 5.279 53.673 1.00154.94 ATOM 52 C TRP B 4 -55.808 4.258 52.626 1.00148.20 ATOM 53 O TRP B 4 -56.465 4.109 51.593 1.00143.42 ATOM 54 CB TRP B 4 -55.202 6.428 53.695 1.00151.67 ATOM 55 CG TRP B 4 -55.672 7.798 54.135 1.00160.59 ATOM 56 CD1 TRP B 4 -55.503 8.365 55.367 1.00162.59 ATOM 57 CD2 TRP B 4 -56.285 8.808 53.317 1.00162.90 ATOM 58 NE1 TRP B 4 -56.022 9.637 55.385 1.00163.92 ATOM 59 CE2 TRP B 4 -56.505 9.936 54.139 1.00164.75 ATOM 60 CE3 TRP B 4 -56.693 8.860 51.980 1.00155.49 ATOM 61 CZ2 TRP B 4 -57.115 11.101 53.668 1.00160.28 ATOM 62 CZ3 TRP B 4 -57.300 10.021 51.513 1.00155.69 ATOM 63 CH2 TRP B 4 -57.503 11.124 52.357 1.00159.94 ATOM 64 N LEU B 5 -54.725 3.525 52.900 1.00148.30 ATOM 65 CA LEU B 5 -54.188 2.565 51.938 1.00150.38 ATOM 66 C LEU B 5 -55.084 1.341 51.760 1.00146.70 ATOM 67 O LEU B 5 -55.258 0.857 50.634 1.00143.25 ATOM 68 CB LEU B 5 -52.781 2.133 52.352 1.00147.29 ATOM 69 CG LEU B 5 -51.723 3.230 52.453 1.00144.61 ATOM 70 CD1 LEU B 5 -50.398 2.676 52.980 1.00141.16 ATOM 71 CD2 LEU B 5 -51.546 3.910 51.107 1.00136.14 ATOM 72 N GLY B 6 -55.631 0.806 52.855 1.00143.70 ATOM 73 CA GLY B 6 -56.352 -0.458 52.768 1.00148.31 ATOM 74 C GLY B 6 -57.591 -0.417 51.891 1.00150.30 ATOM 75 O GLY B 6 -57.781 -1.279 51.028 1.00150.42 ATOM 76 N LEU B 7 -58.459 0.573 52.098 1.00153.36 ATOM 77 CA LEU B 7 -59.661 0.628 51.273 1.00151.81 ATOM 78 C LEU B 7 -59.355 1.196 49.891 1.00148.98 ATOM 79 O LEU B 7 -60.009 0.825 48.909 1.00148.57 ATOM 80 CB LEU B 7 -60.759 1.438 51.966 1.00152.94 ATOM 81 CG LEU B 7 -62.083 1.538 51.199 1.00153.15 ATOM 82 CD1 LEU B 7 -62.724 0.162 51.062 1.00153.54 ATOM 83 CD2 LEU B 7 -63.045 2.506 51.869 1.00154.66 ATOM 84 N ARG B 8 -58.336 2.054 49.799 1.00152.83 ATOM 85 CA ARG B 8 -57.948 2.642 48.520 1.00148.61 ATOM 86 C ARG B 8 -57.541 1.578 47.515 1.00147.59 ATOM 87 O ARG B 8 -57.834 1.704 46.324 1.00151.11 ATOM 88 CB ARG B 8 -56.798 3.620 48.733 1.00146.76 ATOM 89 CG ARG B 8 -56.174 4.187 47.482 1.00144.53 ATOM 90 CD ARG B 8 -55.172 5.250 47.882 1.00143.54 ATOM 91 NE ARG B 8 -54.486 5.846 46.742 1.00143.92 ATOM 92 CZ ARG B 8 -53.604 6.836 46.845 1.00145.71 ATOM 93 NH1 ARG B 8 -53.300 7.336 48.036 1.00146.08 ATOM 94 NH2 ARG B 8 -53.021 7.322 45.758 1.00145.42 ATOM 95 N ALA B 9 -56.837 0.539 47.966 1.00148.33 ATOM 96 CA ALA B 9 -56.434 -0.526 47.054 1.00147.51 ATOM 97 C ALA B 9 -57.647 -1.261 46.492 1.00148.23 ATOM 98 O ALA B 9 -57.672 -1.620 45.306 1.00146.71 ATOM 99 CB ALA B 9 -55.489 -1.491 47.766 1.00148.93 ATOM 100 N VAL B 10 -58.659 -1.505 47.330 1.00146.74 ATOM 101 CA VAL B 10 -59.892 -2.124 46.848 1.00148.04 ATOM 102 C VAL B 10 -60.575 -1.217 45.834 1.00147.32 ATOM 103 O VAL B 10 -61.109 -1.678 44.818 1.00145.14 ATOM 104 CB VAL B 10 -60.823 -2.455 48.030 1.00145.77 ATOM 105 CG1 VAL B 10 -62.171 -2.953 47.528 1.00145.01 ATOM 106 CG2 VAL B 10 -60.177 -3.489 48.939 1.00143.52 ATOM 107 N LEU B 11 -60.546 0.092 46.081 1.00142.67 ATOM 108 CA LEU B 11 -61.126 1.037 45.132 1.00144.25 ATOM 109 C LEU B 11 -60.357 1.048 43.816 1.00144.47 ATOM 110 O LEU B 11 -60.959 1.161 42.746 1.00147.87 ATOM 111 CB LEU B 11 -61.191 2.435 45.748 1.00145.06 ATOM 112 CG LEU B 11 -62.391 2.769 46.649 1.00143.18 ATOM 113 CD1 LEU B 11 -62.780 1.647 47.614 1.00140.65 ATOM 114 CD2 LEU B 11 -62.113 4.050 47.419 1.00143.32 ATOM 115 N VAL B 12 -59.028 0.954 43.873 1.00140.93 ATOM 116 CA VAL B 12 -58.220 0.916 42.655 1.00138.98 ATOM 117 C VAL B 12 -58.522 -0.343 41.850 1.00137.59 ATOM 118 O VAL B 12 -58.682 -0.294 40.623 1.00141.31 ATOM 119 CB VAL B 12 -56.723 1.015 42.999 1.00137.47 ATOM 120 CG1 VAL B 12 -55.879 0.730 41.768 1.00135.49 ATOM 121 CG2 VAL B 12 -56.400 2.388 43.560 1.00138.97 ATOM 122 N VAL B 13 -58.590 -1.495 42.525 1.00139.61 ATOM 123 CA VAL B 13 -58.908 -2.730 41.811 1.00138.47 ATOM 124 C VAL B 13 -60.303 -2.635 41.206 1.00137.63 ATOM 125 O VAL B 13 -60.538 -3.091 40.081 1.00137.04 ATOM 126 CB VAL B 13 -58.731 -3.969 42.716 1.00136.07 ATOM 127 CG1 VAL B 13 -59.953 -4.241 43.578 1.00134.76 ATOM 128 CG2 VAL B 13 -58.411 -5.184 41.863 1.00136.28 ATOM 129 N ALA B 14 -61.246 -2.022 41.930 1.00134.99 ATOM 130 CA ALA B 14 -62.595 -1.858 41.403 1.00135.76 ATOM 131 C ALA B 14 -62.609 -0.913 40.207 1.00138.28 ATOM 132 O ALA B 14 -63.366 -1.122 39.256 1.00137.93 ATOM 133 CB ALA B 14 -63.530 -1.350 42.499 1.00136.20 ATOM 134 N GLY B 15 -61.788 0.140 40.241 1.00131.77 ATOM 135 CA GLY B 15 -61.726 1.061 39.116 1.00134.73 ATOM 136 C GLY B 15 -61.156 0.417 37.867 1.00135.12 ATOM 137 O GLY B 15 -61.680 0.608 36.764 1.00137.52 ATOM 138 N LEU B 16 -60.077 -0.354 38.018 1.00133.26 ATOM 139 CA LEU B 16 -59.569 -1.108 36.875 1.00131.38 ATOM 140 C LEU B 16 -60.585 -2.141 36.410 1.00129.99 ATOM 141 O LEU B 16 -60.691 -2.415 35.212 1.00133.54 ATOM 142 CB LEU B 16 -58.223 -1.762 37.188 1.00128.49 ATOM 143 CG LEU B 16 -56.975 -0.874 37.098 1.00128.26 ATOM 144 CD1 LEU B 16 -56.886 0.173 38.191 1.00125.55 ATOM 145 CD2 LEU B 16 -55.724 -1.737 37.074 1.00131.07 ATOM 146 N ALA B 17 -61.335 -2.733 37.342 1.00136.28 ATOM 147 CA ALA B 17 -62.386 -3.665 36.952 1.00134.12 ATOM 148 C ALA B 17 -63.468 -2.959 36.144 1.00132.55 ATOM 149 O ALA B 17 -64.003 -3.523 35.187 1.00135.14 ATOM 150 CB ALA B 17 -62.984 -4.330 38.191 1.00127.94 ATOM 151 N VAL B 18 -63.807 -1.723 36.518 1.00125.61 ATOM 152 CA VAL B 18 -64.812 -0.964 35.777 1.00128.49 ATOM 153 C VAL B 18 -64.288 -0.600 34.395 1.00135.26 ATOM 154 O VAL B 18 -65.021 -0.658 33.400 1.00139.97 ATOM 155 CB VAL B 18 -65.230 0.289 36.569 1.00127.79 ATOM 156 CG1 VAL B 18 -65.963 1.273 35.670 1.00131.38 ATOM 157 CG2 VAL B 18 -66.105 -0.098 37.748 1.00125.86 ATOM 158 N LEU B 19 -63.003 -0.251 34.307 1.00125.05 ATOM 159 CA LEU B 19 -62.399 0.022 33.007 1.00125.66 ATOM 160 C LEU B 19 -62.409 -1.223 32.130 1.00128.19 ATOM 161 O LEU B 19 -62.740 -1.154 30.939 1.00139.18 ATOM 162 CB LEU B 19 -60.971 0.529 33.195 1.00124.10 ATOM 163 CG LEU B 19 -60.198 0.844 31.917 1.00132.52 ATOM 164 CD1 LEU B 19 -60.965 1.839 31.070 1.00138.70 ATOM 165 CD2 LEU B 19 -58.816 1.371 32.251 1.00134.04 ATOM 166 N LEU B 20 -62.057 -2.372 32.712 1.00131.57 ATOM 167 CA LEU B 20 -62.063 -3.630 31.977 1.00133.90 ATOM 168 C LEU B 20 -63.472 -3.999 31.535 1.00135.50 ATOM 169 O LEU B 20 -63.665 -4.493 30.423 1.00139.01 ATOM 170 CB LEU B 20 -61.461 -4.744 32.834 1.00134.21 ATOM 171 CG LEU B 20 -59.956 -4.686 33.101 1.00135.59 ATOM 172 CD1 LEU B 20 -59.471 -5.963 33.775 1.00135.15 ATOM 173 CD2 LEU B 20 -59.193 -4.440 31.811 1.00139.55 ATOM 174 N GLN B 21 -64.467 -3.782 32.399 1.00133.89 ATOM 175 CA GLN B 21 -65.845 -4.077 32.025 1.00136.28 ATOM 176 C GLN B 21 -66.304 -3.167 30.898 1.00139.58 ATOM 177 O GLN B 21 -66.989 -3.614 29.973 1.00148.17 ATOM 178 CB GLN B 21 -66.770 -3.922 33.232 1.00136.31 ATOM 179 CG GLN B 21 -68.240 -4.179 32.913 1.00141.93 ATOM 180 CD GLN B 21 -69.172 -3.802 34.054 1.00140.40 ATOM 181 OE1 GLN B 21 -68.727 -3.352 35.111 1.00137.80 ATOM 182 NE2 GLN B 21 -70.473 -3.980 33.841 1.00140.96 ATOM 183 N LEU B 22 -65.915 -1.891 30.948 1.00127.58 ATOM 184 CA LEU B 22 -66.254 -0.967 29.872 1.00137.17 ATOM 185 C LEU B 22 -65.630 -1.414 28.556 1.00148.88 ATOM 186 O LEU B 22 -66.304 -1.465 27.520 1.00158.01 ATOM 187 CB LEU B 22 -65.801 0.447 30.241 1.00134.79 ATOM 188 CG LEU B 22 -66.244 1.574 29.305 1.00141.47 ATOM 189 CD1 LEU B 22 -67.754 1.731 29.342 1.00138.87 ATOM 190 CD2 LEU B 22 -65.555 2.884 29.666 1.00138.26 ATOM 191 N ILE B 23 -64.343 -1.763 28.585 1.00128.87 ATOM 192 CA ILE B 23 -63.664 -2.190 27.365 1.00136.80 ATOM 193 C ILE B 23 -64.248 -3.504 26.854 1.00137.31 ATOM 194 O ILE B 23 -64.433 -3.688 25.646 1.00143.70 ATOM 195 CB ILE B 23 -62.147 -2.296 27.605 1.00130.92 ATOM 196 CG1 ILE B 23 -61.561 -0.918 27.913 1.00133.27 ATOM 197 CG2 ILE B 23 -61.455 -2.901 26.395 1.00135.63 ATOM 198 CD1 ILE B 23 -60.056 -0.914 28.044 1.00130.60 ATOM 199 N ARG B 24 -64.567 -4.428 27.762 1.00136.04 ATOM 200 CA ARG B 24 -65.118 -5.716 27.360 1.00135.97 ATOM 201 C ARG B 24 -66.500 -5.555 26.743 1.00146.14 ATOM 202 O ARG B 24 -66.800 -6.171 25.714 1.00153.00 ATOM 203 CB ARG B 24 -65.168 -6.654 28.568 1.00118.99 ATOM 204 CG ARG B 24 -65.581 -8.081 28.245 1.00118.53 ATOM 205 CD ARG B 24 -65.401 -9.001 29.447 1.00116.11 ATOM 206 NE ARG B 24 -63.997 -9.201 29.799 1.00116.58 ATOM 207 CZ ARG B 24 -63.282 -10.265 29.442 1.00122.47 ATOM 208 NH1 ARG B 24 -63.838 -11.229 28.720 1.00128.55 ATOM 209 NH2 ARG B 24 -62.010 -10.370 29.806 1.00120.83 ATOM 210 N GLY B 25 -67.348 -4.721 27.345 1.00124.28 ATOM 211 CA GLY B 25 -68.653 -4.464 26.763 1.00131.43 ATOM 212 C GLY B 25 -68.560 -3.755 25.427 1.00143.13 ATOM 213 O GLY B 25 -69.343 -4.031 24.513 1.00150.37 ATOM 214 N TRP B 26 -67.598 -2.838 25.290 1.00124.05 ATOM 215 CA TRP B 26 -67.410 -2.171 24.008 1.00130.60 ATOM 216 C TRP B 26 -66.966 -3.157 22.935 1.00131.17 ATOM 217 O TRP B 26 -67.460 -3.110 21.806 1.00135.88 ATOM 218 CB TRP B 26 -66.410 -1.024 24.149 1.00128.10 ATOM 219 CG TRP B 26 -66.026 -0.400 22.846 1.00132.97 ATOM 220 CD1 TRP B 26 -66.869 0.077 21.886 1.00137.02 ATOM 221 CD2 TRP B 26 -64.699 -0.148 22.376 1.00132.08 ATOM 222 NE1 TRP B 26 -66.148 0.592 20.836 1.00139.49 ATOM 223 CE2 TRP B 26 -64.813 0.468 21.114 1.00135.88 ATOM 224 CE3 TRP B 26 -63.424 -0.386 22.898 1.00130.26 ATOM 225 CZ2 TRP B 26 -63.702 0.845 20.366 1.00134.61 ATOM 226 CZ3 TRP B 26 -62.322 -0.012 22.154 1.00131.23 ATOM 227 CH2 TRP B 26 -62.468 0.596 20.901 1.00133.33 ATOM 228 N LEU B 27 -66.156 -4.138 23.298 1.00137.73 ATOM 229 CA LEU B 27 -65.798 -5.091 22.223 1.00137.96 ATOM 230 C LEU B 27 -67.033 -5.865 21.745 1.00137.73 ATOM 231 O LEU B 27 -67.224 -5.932 20.528 1.00134.01 ATOM 232 CB LEU B 27 -64.664 -5.995 22.700 1.00126.80 ATOM 233 CG LEU B 27 -63.368 -5.230 22.954 1.00124.37 ATOM 234 CD1 LEU B 27 -62.312 -6.134 23.564 1.00125.57 ATOM 235 CD2 LEU B 27 -62.854 -4.564 21.691 1.00115.25 ATOM 236 N SER B 28 -67.871 -6.381 22.643 1.00141.55 ATOM 237 CA SER B 28 -69.063 -7.131 22.165 1.00143.61 ATOM 238 C SER B 28 -70.007 -6.187 21.419 1.00152.13 ATOM 239 O SER B 28 -70.470 -6.543 20.329 1.00154.37 ATOM 240 CB SER B 28 -69.765 -7.814 23.299 1.00136.42 ATOM 241 OG SER B 28 -69.239 -9.115 23.498 1.00126.67 ATOM 242 N SER B 29 -70.211 -4.990 21.968 1.00138.43 ATOM 243 CA SER B 29 -71.120 -3.984 21.366 1.00146.69 ATOM 244 C SER B 29 -70.593 -3.583 19.997 1.00151.07 ATOM 245 O SER B 29 -71.377 -3.542 19.061 1.00155.50 ATOM 246 CB SER B 29 -71.218 -2.768 22.247 1.00140.37 ATOM 247 OG SER B 29 -71.463 -1.594 21.484 1.00126.95 ATOM 248 N LYS B 30 -69.281 -3.427 19.883 1.00132.72 ATOM 249 CA LYS B 30 -68.661 -2.916 18.637 1.00135.48 ATOM 250 C LYS B 30 -69.031 -3.785 17.437 1.00133.26 ATOM 251 O LYS B 30 -69.085 -5.013 17.558 1.00132.36 ATOM 252 CB LYS B 30 -67.135 -2.905 18.786 1.00132.31 ATOM 253 CG LYS B 30 -66.357 -2.411 17.571 1.00135.28 ATOM 254 CD LYS B 30 -64.855 -2.394 17.770 1.00132.69 ATOM 255 CE LYS B 30 -64.068 -2.063 16.517 1.00126.90 ATOM 256 NZ LYS B 30 -63.566 -0.670 16.511 1.00127.81 TER