HEADER MEMBRANE PROTEIN 31-DEC-69 7W2D TITLE The closed conformation of the sigma-1 receptor from Xenopus laevis TITLE 2 complexed with S1RA COMPND MOL_ID: 1; COMPND 2 MOLECULE: Sigma non-opioid intracellular receptor 1; COMPND 3 CHAIN: A, C, E, B, D, F, G, H, I, J, K, L; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.47 ANGSTORMS DBREF 7W2D E 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 E 28 LEU TRP LEU GLY LEU ARG ALA VAL LEU VAL VAL ALA GLY SEQRES 2 E 28 LEU ALA VAL LEU LEU GLN LEU ILE ARG GLY TRP LEU SER SEQRES 3 E 28 SER LYS ATOM 1 N LEU E 3 -5.177 -33.426 -22.265 1.00176.60 ATOM 2 CA LEU E 3 -5.272 -32.344 -21.293 1.00175.32 ATOM 3 C LEU E 3 -6.596 -32.431 -20.533 1.00174.78 ATOM 4 O LEU E 3 -7.041 -31.459 -19.919 1.00173.61 ATOM 5 CB LEU E 3 -5.131 -30.987 -21.991 1.00174.49 ATOM 6 CG LEU E 3 -4.724 -29.776 -21.148 1.00173.39 ATOM 7 CD1 LEU E 3 -3.422 -30.045 -20.409 1.00174.03 ATOM 8 CD2 LEU E 3 -4.602 -28.538 -22.020 1.00173.02 ATOM 9 N TRP E 4 -7.224 -33.609 -20.579 1.00177.82 ATOM 10 CA TRP E 4 -8.490 -33.793 -19.877 1.00178.66 ATOM 11 C TRP E 4 -8.278 -33.911 -18.372 1.00178.88 ATOM 12 O TRP E 4 -9.084 -33.400 -17.586 1.00175.98 ATOM 13 CB TRP E 4 -9.225 -35.024 -20.412 1.00176.76 ATOM 14 CG TRP E 4 -10.433 -35.405 -19.598 1.00178.69 ATOM 15 CD1 TRP E 4 -10.529 -36.437 -18.709 1.00181.71 ATOM 16 CD2 TRP E 4 -11.711 -34.751 -19.592 1.00180.99 ATOM 17 NE1 TRP E 4 -11.787 -36.470 -18.154 1.00183.14 ATOM 18 CE2 TRP E 4 -12.531 -35.446 -18.679 1.00183.07 ATOM 19 CE3 TRP E 4 -12.241 -33.648 -20.270 1.00177.85 ATOM 20 CZ2 TRP E 4 -13.852 -35.074 -18.427 1.00182.59 ATOM 21 CZ3 TRP E 4 -13.553 -33.281 -20.019 1.00178.35 ATOM 22 CH2 TRP E 4 -14.343 -33.992 -19.106 1.00182.43 ATOM 23 N LEU E 5 -7.204 -34.579 -17.946 1.00179.52 ATOM 24 CA LEU E 5 -6.953 -34.678 -16.516 1.00178.41 ATOM 25 C LEU E 5 -6.421 -33.379 -15.927 1.00178.24 ATOM 26 O LEU E 5 -6.355 -33.252 -14.699 1.00179.63 ATOM 27 CB LEU E 5 -5.962 -35.809 -16.244 1.00180.24 ATOM 28 CG LEU E 5 -5.950 -36.410 -14.838 1.00183.91 ATOM 29 CD1 LEU E 5 -7.369 -36.685 -14.369 1.00182.45 ATOM 30 CD2 LEU E 5 -5.112 -37.676 -14.810 1.00183.75 ATOM 31 N GLY E 6 -6.058 -32.411 -16.768 1.00187.56 ATOM 32 CA GLY E 6 -5.686 -31.087 -16.312 1.00184.26 ATOM 33 C GLY E 6 -6.855 -30.166 -16.061 1.00181.24 ATOM 34 O GLY E 6 -6.673 -29.091 -15.481 1.00180.29 ATOM 35 N LEU E 7 -8.049 -30.574 -16.501 1.00181.81 ATOM 36 CA LEU E 7 -9.236 -29.743 -16.342 1.00182.31 ATOM 37 C LEU E 7 -9.561 -29.499 -14.874 1.00182.30 ATOM 38 O LEU E 7 -9.863 -28.367 -14.482 1.00177.70 ATOM 39 CB LEU E 7 -10.414 -30.403 -17.059 1.00181.91 ATOM 40 CG LEU E 7 -11.801 -29.766 -16.932 1.00181.13 ATOM 41 CD1 LEU E 7 -11.832 -28.432 -17.651 1.00182.58 ATOM 42 CD2 LEU E 7 -12.866 -30.703 -17.486 1.00181.62 ATOM 43 N ARG E 8 -9.491 -30.542 -14.043 1.00182.28 ATOM 44 CA ARG E 8 -9.781 -30.364 -12.622 1.00177.73 ATOM 45 C ARG E 8 -8.784 -29.418 -11.963 1.00175.80 ATOM 46 O ARG E 8 -9.175 -28.518 -11.210 1.00175.59 ATOM 47 CB ARG E 8 -9.789 -31.717 -11.908 1.00180.00 ATOM 48 CG ARG E 8 -10.273 -31.654 -10.460 1.00185.89 ATOM 49 CD ARG E 8 -10.119 -32.994 -9.741 1.00192.90 ATOM 50 NE ARG E 8 -8.724 -33.371 -9.532 1.00193.53 ATOM 51 CZ ARG E 8 -8.059 -33.195 -8.395 1.00193.01 ATOM 52 NH1 ARG E 8 -8.659 -32.650 -7.345 1.00191.78 ATOM 53 NH2 ARG E 8 -6.793 -33.571 -8.306 1.00189.11 ATOM 54 N ALA E 9 -7.494 -29.591 -12.252 1.00177.91 ATOM 55 CA ALA E 9 -6.479 -28.741 -11.638 1.00175.85 ATOM 56 C ALA E 9 -6.590 -27.297 -12.120 1.00175.37 ATOM 57 O ALA E 9 -6.446 -26.358 -11.325 1.00174.42 ATOM 58 CB ALA E 9 -5.090 -29.307 -11.922 1.00175.01 ATOM 59 N VAL E 10 -6.858 -27.094 -13.412 1.00174.71 ATOM 60 CA VAL E 10 -7.000 -25.737 -13.930 1.00173.03 ATOM 61 C VAL E 10 -8.238 -25.070 -13.345 1.00171.93 ATOM 62 O VAL E 10 -8.205 -23.889 -12.979 1.00170.73 ATOM 63 CB VAL E 10 -7.026 -25.747 -15.470 1.00173.45 ATOM 64 CG1 VAL E 10 -7.474 -24.396 -16.005 1.00172.42 ATOM 65 CG2 VAL E 10 -5.650 -26.099 -16.014 1.00174.45 ATOM 66 N LEU E 11 -9.346 -25.810 -13.237 1.00176.95 ATOM 67 CA LEU E 11 -10.546 -25.255 -12.621 1.00177.15 ATOM 68 C LEU E 11 -10.296 -24.902 -11.160 1.00176.42 ATOM 69 O LEU E 11 -10.760 -23.864 -10.678 1.00174.26 ATOM 70 CB LEU E 11 -11.710 -26.242 -12.761 1.00177.11 ATOM 71 CG LEU E 11 -13.124 -25.849 -12.309 1.00181.50 ATOM 72 CD1 LEU E 11 -13.357 -26.145 -10.828 1.00183.30 ATOM 73 CD2 LEU E 11 -13.423 -24.385 -12.622 1.00179.32 ATOM 74 N VAL E 12 -9.550 -25.745 -10.441 1.00173.17 ATOM 75 CA VAL E 12 -9.264 -25.464 -9.038 1.00170.55 ATOM 76 C VAL E 12 -8.408 -24.210 -8.904 1.00165.33 ATOM 77 O VAL E 12 -8.686 -23.341 -8.068 1.00167.89 ATOM 78 CB VAL E 12 -8.596 -26.683 -8.375 1.00170.76 ATOM 79 CG1 VAL E 12 -7.882 -26.274 -7.094 1.00173.04 ATOM 80 CG2 VAL E 12 -9.631 -27.759 -8.088 1.00176.28 ATOM 81 N VAL E 13 -7.366 -24.084 -9.731 1.00166.10 ATOM 82 CA VAL E 13 -6.507 -22.903 -9.664 1.00164.93 ATOM 83 C VAL E 13 -7.293 -21.647 -10.020 1.00163.42 ATOM 84 O VAL E 13 -7.189 -20.616 -9.340 1.00162.33 ATOM 85 CB VAL E 13 -5.280 -23.080 -10.579 1.00165.86 ATOM 86 CG1 VAL E 13 -4.568 -21.750 -10.786 1.00165.10 ATOM 87 CG2 VAL E 13 -4.328 -24.107 -9.993 1.00167.45 ATOM 88 N ALA E 14 -8.107 -21.719 -11.077 1.00166.59 ATOM 89 CA ALA E 14 -8.900 -20.565 -11.487 1.00164.55 ATOM 90 C ALA E 14 -9.887 -20.157 -10.404 1.00167.66 ATOM 91 O ALA E 14 -10.023 -18.968 -10.100 1.00166.96 ATOM 92 CB ALA E 14 -9.632 -20.867 -12.793 1.00168.50 ATOM 93 N GLY E 15 -10.579 -21.127 -9.804 1.00163.16 ATOM 94 CA GLY E 15 -11.519 -20.799 -8.749 1.00162.60 ATOM 95 C GLY E 15 -10.839 -20.208 -7.530 1.00161.72 ATOM 96 O GLY E 15 -11.303 -19.210 -6.973 1.00160.58 ATOM 97 N LEU E 16 -9.722 -20.806 -7.107 1.00159.49 ATOM 98 CA LEU E 16 -9.028 -20.301 -5.929 1.00158.96 ATOM 99 C LEU E 16 -8.468 -18.907 -6.162 1.00157.62 ATOM 100 O LEU E 16 -8.504 -18.075 -5.251 1.00156.89 ATOM 101 CB LEU E 16 -7.921 -21.264 -5.504 1.00160.38 ATOM 102 CG LEU E 16 -8.415 -22.596 -4.938 1.00161.95 ATOM 103 CD1 LEU E 16 -7.254 -23.518 -4.629 1.00163.63 ATOM 104 CD2 LEU E 16 -9.265 -22.371 -3.696 1.00161.65 ATOM 105 N ALA E 17 -8.018 -18.593 -7.380 1.00159.03 ATOM 106 CA ALA E 17 -7.483 -17.250 -7.571 1.00158.09 ATOM 107 C ALA E 17 -8.588 -16.236 -7.831 1.00156.96 ATOM 108 O ALA E 17 -8.480 -15.086 -7.386 1.00155.92 ATOM 109 CB ALA E 17 -6.479 -17.239 -8.724 1.00158.95 ATOM 110 N VAL E 18 -9.704 -16.672 -8.422 1.00158.42 ATOM 111 CA VAL E 18 -10.848 -15.786 -8.592 1.00157.77 ATOM 112 C VAL E 18 -11.461 -15.475 -7.240 1.00161.59 ATOM 113 O VAL E 18 -11.928 -14.357 -7.005 1.00162.49 ATOM 114 CB VAL E 18 -11.868 -16.411 -9.562 1.00161.94 ATOM 115 CG1 VAL E 18 -13.260 -16.475 -8.936 1.00167.41 ATOM 116 CG2 VAL E 18 -11.903 -15.639 -10.870 1.00162.60 ATOM 117 N LEU E 19 -11.346 -16.397 -6.289 1.00162.21 ATOM 118 CA LEU E 19 -11.952 -16.175 -4.987 1.00166.48 ATOM 119 C LEU E 19 -10.996 -15.485 -4.032 1.00163.35 ATOM 120 O LEU E 19 -11.445 -14.713 -3.181 1.00164.97 ATOM 121 CB LEU E 19 -12.419 -17.505 -4.386 1.00166.55 ATOM 122 CG LEU E 19 -13.665 -17.461 -3.499 1.00176.90 ATOM 123 CD1 LEU E 19 -14.860 -16.924 -4.278 1.00179.25 ATOM 124 CD2 LEU E 19 -13.968 -18.841 -2.932 1.00179.66 ATOM 125 N LEU E 20 -9.687 -15.690 -4.189 1.00163.24 ATOM 126 CA LEU E 20 -8.727 -14.819 -3.524 1.00157.89 ATOM 127 C LEU E 20 -8.940 -13.370 -3.942 1.00158.83 ATOM 128 O LEU E 20 -9.057 -12.480 -3.090 1.00160.76 ATOM 129 CB LEU E 20 -7.299 -15.273 -3.834 1.00153.72 ATOM 130 CG LEU E 20 -6.156 -14.440 -3.244 1.00152.15 ATOM 131 CD1 LEU E 20 -6.299 -14.289 -1.737 1.00153.29 ATOM 132 CD2 LEU E 20 -4.811 -15.062 -3.593 1.00148.93 ATOM 133 N GLN E 21 -9.030 -13.116 -5.254 1.00164.04 ATOM 134 CA GLN E 21 -9.267 -11.750 -5.715 1.00161.05 ATOM 135 C GLN E 21 -10.619 -11.225 -5.238 1.00166.06 ATOM 136 O GLN E 21 -10.719 -10.077 -4.787 1.00165.35 ATOM 137 CB GLN E 21 -9.161 -11.679 -7.238 1.00158.52 ATOM 138 CG GLN E 21 -7.756 -11.938 -7.771 1.00159.67 ATOM 139 CD GLN E 21 -6.734 -10.939 -7.252 1.00158.67 ATOM 140 OE1 GLN E 21 -5.910 -11.262 -6.394 1.00153.78 ATOM 141 NE2 GLN E 21 -6.781 -9.719 -7.777 1.00159.18 ATOM 142 N LEU E 22 -11.664 -12.057 -5.303 1.00149.57 ATOM 143 CA LEU E 22 -12.994 -11.624 -4.886 1.00161.42 ATOM 144 C LEU E 22 -13.016 -11.247 -3.409 1.00161.27 ATOM 145 O LEU E 22 -13.471 -10.157 -3.044 1.00159.28 ATOM 146 CB LEU E 22 -14.013 -12.727 -5.185 1.00166.48 ATOM 147 CG LEU E 22 -15.505 -12.384 -5.251 1.00172.30 ATOM 148 CD1 LEU E 22 -16.231 -13.425 -6.082 1.00172.04 ATOM 149 CD2 LEU E 22 -16.129 -12.294 -3.865 1.00171.76 ATOM 150 N ILE E 23 -12.522 -12.135 -2.542 1.00152.58 ATOM 151 CA ILE E 23 -12.559 -11.873 -1.108 1.00152.65 ATOM 152 C ILE E 23 -11.640 -10.711 -0.748 1.00148.37 ATOM 153 O ILE E 23 -11.951 -9.916 0.146 1.00150.21 ATOM 154 CB ILE E 23 -12.205 -13.150 -0.322 1.00150.68 ATOM 155 CG1 ILE E 23 -13.218 -14.256 -0.623 1.00156.03 ATOM 156 CG2 ILE E 23 -12.172 -12.874 1.175 1.00152.35 ATOM 157 CD1 ILE E 23 -12.886 -15.580 0.020 1.00152.33 ATOM 158 N ARG E 24 -10.508 -10.572 -1.448 1.00165.40 ATOM 159 CA ARG E 24 -9.586 -9.491 -1.118 1.00160.57 ATOM 160 C ARG E 24 -10.150 -8.137 -1.532 1.00161.97 ATOM 161 O ARG E 24 -9.987 -7.145 -0.811 1.00163.34 ATOM 162 CB ARG E 24 -8.228 -9.742 -1.772 1.00155.36 ATOM 163 CG ARG E 24 -7.104 -8.884 -1.213 1.00154.72 ATOM 164 CD ARG E 24 -5.846 -9.709 -0.981 1.00152.35 ATOM 165 NE ARG E 24 -5.440 -10.442 -2.177 1.00147.69 ATOM 166 CZ ARG E 24 -4.359 -11.213 -2.251 1.00149.64 ATOM 167 NH1 ARG E 24 -3.567 -11.352 -1.196 1.00150.57 ATOM 168 NH2 ARG E 24 -4.068 -11.841 -3.382 1.00149.87 ATOM 169 N GLY E 25 -10.822 -8.073 -2.684 1.00145.59 ATOM 170 CA GLY E 25 -11.509 -6.849 -3.054 1.00149.32 ATOM 171 C GLY E 25 -12.706 -6.563 -2.172 1.00156.49 ATOM 172 O GLY E 25 -13.039 -5.399 -1.929 1.00160.76 ATOM 173 N TRP E 26 -13.365 -7.613 -1.679 1.00144.54 ATOM 174 CA TRP E 26 -14.489 -7.433 -0.767 1.00142.87 ATOM 175 C TRP E 26 -14.027 -6.834 0.555 1.00142.09 ATOM 176 O TRP E 26 -14.638 -5.891 1.069 1.00140.17 ATOM 177 CB TRP E 26 -15.189 -8.775 -0.542 1.00144.52 ATOM 178 CG TRP E 26 -16.337 -8.720 0.419 1.00144.12 ATOM 179 CD1 TRP E 26 -17.132 -7.644 0.688 1.00142.23 ATOM 180 CD2 TRP E 26 -16.814 -9.789 1.246 1.00146.17 ATOM 181 NE1 TRP E 26 -18.077 -7.977 1.628 1.00142.99 ATOM 182 CE2 TRP E 26 -17.903 -9.288 1.988 1.00145.49 ATOM 183 CE3 TRP E 26 -16.428 -11.120 1.431 1.00148.89 ATOM 184 CZ2 TRP E 26 -18.609 -10.072 2.899 1.00147.62 ATOM 185 CZ3 TRP E 26 -17.131 -11.897 2.337 1.00150.96 ATOM 186 CH2 TRP E 26 -18.208 -11.370 3.059 1.00150.40 ATOM 187 N LEU E 27 -12.939 -7.367 1.117 1.00142.32 ATOM 188 CA LEU E 27 -12.448 -6.871 2.398 1.00139.03 ATOM 189 C LEU E 27 -11.980 -5.423 2.304 1.00138.90 ATOM 190 O LEU E 27 -12.074 -4.678 3.286 1.00140.21 ATOM 191 CB LEU E 27 -11.316 -7.765 2.907 1.00134.85 ATOM 192 CG LEU E 27 -11.690 -9.214 3.227 1.00135.81 ATOM 193 CD1 LEU E 27 -10.450 -10.039 3.527 1.00133.08 ATOM 194 CD2 LEU E 27 -12.664 -9.264 4.390 1.00138.89 ATOM 195 N SER E 28 -11.484 -5.006 1.142 1.00141.95 ATOM 196 CA SER E 28 -10.991 -3.649 0.952 1.00146.62 ATOM 197 C SER E 28 -12.090 -2.657 0.595 1.00151.46 ATOM 198 O SER E 28 -11.806 -1.461 0.470 1.00153.02 ATOM 199 CB SER E 28 -9.908 -3.631 -0.132 1.00148.60 ATOM 200 OG SER E 28 -10.411 -4.128 -1.360 1.00161.35 ATOM 201 N SER E 29 -13.333 -3.116 0.431 1.00139.98 ATOM 202 CA SER E 29 -14.438 -2.236 0.070 1.00144.43 ATOM 203 C SER E 29 -15.681 -2.473 0.921 1.00147.02 ATOM 204 O SER E 29 -16.754 -1.961 0.582 1.00151.80 ATOM 205 CB SER E 29 -14.788 -2.396 -1.415 1.00147.82 ATOM 206 OG SER E 29 -13.665 -2.121 -2.234 1.00157.11 ATOM 207 N LYS E 30 -15.567 -3.225 2.011 1.00145.64 ATOM 208 CA LYS E 30 -16.693 -3.527 2.882 1.00141.90 ATOM 209 C LYS E 30 -16.703 -2.581 4.075 1.00143.80 ATOM 210 O LYS E 30 -15.648 -2.227 4.610 1.00141.44 ATOM 211 CB LYS E 30 -16.629 -4.979 3.365 1.00132.45 ATOM 212 CG LYS E 30 -17.723 -5.376 4.343 1.00132.62 ATOM 213 CD LYS E 30 -17.543 -6.810 4.810 1.00123.83 ATOM 214 CE LYS E 30 -18.624 -7.210 5.800 1.00125.98 ATOM 215 NZ LYS E 30 -18.563 -6.395 7.045 1.00127.88 TER