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 D 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 D 34 SER VAL ASP THR MET ALA LEU TRP LEU GLY LEU ARG ALA SEQRES 2 D 34 VAL LEU VAL VAL ALA GLY LEU ALA VAL LEU LEU GLN LEU SEQRES 3 D 34 ILE ARG GLY TRP LEU SER SER LYS ATOM 1 N SER D -3 0.177 -72.166 9.835 1.00109.41 ATOM 2 CA SER D -3 1.406 -72.934 9.668 1.00112.84 ATOM 3 C SER D -3 2.536 -72.061 9.133 1.00112.04 ATOM 4 O SER D -3 2.884 -71.036 9.727 1.00112.17 ATOM 5 CB SER D -3 1.173 -74.121 8.731 1.00112.83 ATOM 6 OG SER D -3 2.361 -74.875 8.558 1.00117.39 ATOM 7 N VAL D -2 3.110 -72.476 8.001 1.00110.98 ATOM 8 CA VAL D -2 4.184 -71.708 7.380 1.00110.47 ATOM 9 C VAL D -2 3.644 -70.544 6.558 1.00105.55 ATOM 10 O VAL D -2 4.400 -69.618 6.236 1.00105.06 ATOM 11 CB VAL D -2 5.062 -72.624 6.509 1.00113.65 ATOM 12 CG1 VAL D -2 6.413 -71.974 6.237 1.00117.21 ATOM 13 CG2 VAL D -2 5.239 -73.983 7.179 1.00118.07 ATOM 14 N ASP D -1 2.351 -70.558 6.223 1.00106.98 ATOM 15 CA ASP D -1 1.736 -69.465 5.478 1.00102.35 ATOM 16 C ASP D -1 1.709 -68.158 6.258 1.00 99.82 ATOM 17 O ASP D -1 1.465 -67.105 5.658 1.00 97.92 ATOM 18 CB ASP D -1 0.312 -69.842 5.073 1.00 98.76 ATOM 19 CG ASP D -1 0.261 -71.094 4.227 1.00100.66 ATOM 20 OD1 ASP D -1 1.335 -71.615 3.865 1.00105.43 ATOM 21 OD2 ASP D -1 -0.858 -71.557 3.924 1.00 98.35 ATOM 22 N THR D 0 1.941 -68.200 7.572 1.00 99.26 ATOM 23 CA THR D 0 1.975 -66.973 8.360 1.00 99.11 ATOM 24 C THR D 0 3.093 -66.049 7.889 1.00 99.24 ATOM 25 O THR D 0 2.892 -64.835 7.764 1.00 97.17 ATOM 26 CB THR D 0 2.142 -67.308 9.844 1.00103.02 ATOM 27 OG1 THR D 0 1.120 -68.230 10.243 1.00103.29 ATOM 28 CG2 THR D 0 2.040 -66.049 10.694 1.00102.95 ATOM 29 N MET D 1 4.274 -66.611 7.609 1.00101.97 ATOM 30 CA MET D 1 5.405 -65.793 7.179 1.00102.76 ATOM 31 C MET D 1 5.098 -65.070 5.872 1.00 98.83 ATOM 32 O MET D 1 5.506 -63.917 5.680 1.00 98.32 ATOM 33 CB MET D 1 6.655 -66.664 7.029 1.00106.66 ATOM 34 CG MET D 1 6.837 -67.719 8.117 1.00110.87 ATOM 35 SD MET D 1 7.250 -67.063 9.749 1.00114.88 ATOM 36 CE MET D 1 8.845 -66.315 9.427 1.00117.78 ATOM 37 N ALA D 2 4.371 -65.727 4.965 1.00100.30 ATOM 38 CA ALA D 2 4.056 -65.121 3.676 1.00 98.09 ATOM 39 C ALA D 2 2.880 -64.158 3.765 1.00 95.22 ATOM 40 O ALA D 2 2.839 -63.170 3.023 1.00 94.22 ATOM 41 CB ALA D 2 3.765 -66.210 2.642 1.00 99.06 ATOM 42 N LEU D 3 1.924 -64.421 4.659 1.00102.09 ATOM 43 CA LEU D 3 0.753 -63.557 4.768 1.00 97.70 ATOM 44 C LEU D 3 1.118 -62.155 5.241 1.00 98.44 ATOM 45 O LEU D 3 0.469 -61.182 4.840 1.00 97.16 ATOM 46 CB LEU D 3 -0.276 -64.184 5.710 1.00 94.19 ATOM 47 CG LEU D 3 -1.645 -63.502 5.773 1.00 90.35 ATOM 48 CD1 LEU D 3 -2.318 -63.505 4.411 1.00 88.35 ATOM 49 CD2 LEU D 3 -2.530 -64.174 6.813 1.00 88.74 ATOM 50 N TRP D 4 2.143 -62.026 6.088 1.00 93.47 ATOM 51 CA TRP D 4 2.522 -60.702 6.572 1.00 94.82 ATOM 52 C TRP D 4 3.118 -59.853 5.457 1.00 95.96 ATOM 53 O TRP D 4 2.867 -58.643 5.391 1.00 96.25 ATOM 54 CB TRP D 4 3.508 -60.817 7.732 1.00 97.39 ATOM 55 CG TRP D 4 3.958 -59.481 8.242 1.00 99.53 ATOM 56 CD1 TRP D 4 5.104 -58.815 7.909 1.00102.29 ATOM 57 CD2 TRP D 4 3.267 -58.643 9.179 1.00 99.49 ATOM 58 NE1 TRP D 4 5.169 -57.617 8.581 1.00104.31 ATOM 59 CE2 TRP D 4 4.054 -57.488 9.367 1.00102.75 ATOM 60 CE3 TRP D 4 2.060 -58.760 9.879 1.00 97.18 ATOM 61 CZ2 TRP D 4 3.673 -56.457 10.225 1.00104.18 ATOM 62 CZ3 TRP D 4 1.684 -57.735 10.730 1.00 98.22 ATOM 63 CH2 TRP D 4 2.487 -56.599 10.895 1.00101.89 ATOM 64 N LEU D 5 3.926 -60.461 4.582 1.00100.01 ATOM 65 CA LEU D 5 4.498 -59.708 3.471 1.00101.18 ATOM 66 C LEU D 5 3.425 -59.276 2.482 1.00 98.35 ATOM 67 O LEU D 5 3.578 -58.252 1.807 1.00 99.40 ATOM 68 CB LEU D 5 5.553 -60.554 2.756 1.00103.19 ATOM 69 CG LEU D 5 6.869 -60.840 3.483 1.00107.01 ATOM 70 CD1 LEU D 5 7.737 -61.771 2.652 1.00109.79 ATOM 71 CD2 LEU D 5 7.607 -59.550 3.796 1.00108.58 ATOM 72 N GLY D 6 2.341 -60.039 2.387 1.00105.45 ATOM 73 CA GLY D 6 1.187 -59.727 1.577 1.00102.37 ATOM 74 C GLY D 6 0.032 -59.083 2.304 1.00100.04 ATOM 75 O GLY D 6 -1.011 -58.851 1.685 1.00 96.79 ATOM 76 N LEU D 7 0.177 -58.784 3.598 1.00104.33 ATOM 77 CA LEU D 7 -0.956 -58.296 4.381 1.00105.43 ATOM 78 C LEU D 7 -1.513 -56.992 3.828 1.00101.63 ATOM 79 O LEU D 7 -2.723 -56.872 3.603 1.00102.33 ATOM 80 CB LEU D 7 -0.537 -58.110 5.840 1.00106.89 ATOM 81 CG LEU D 7 -1.664 -57.860 6.845 1.00109.23 ATOM 82 CD1 LEU D 7 -2.521 -59.105 7.030 1.00114.06 ATOM 83 CD2 LEU D 7 -1.110 -57.371 8.173 1.00109.72 ATOM 84 N ARG D 8 -0.648 -56.007 3.578 1.00110.20 ATOM 85 CA ARG D 8 -1.154 -54.739 3.064 1.00106.43 ATOM 86 C ARG D 8 -1.720 -54.922 1.662 1.00105.70 ATOM 87 O ARG D 8 -2.751 -54.335 1.318 1.00104.55 ATOM 88 CB ARG D 8 -0.067 -53.665 3.080 1.00102.35 ATOM 89 CG ARG D 8 -0.656 -52.264 2.977 1.00 99.62 ATOM 90 CD ARG D 8 0.375 -51.155 3.079 1.00 96.92 ATOM 91 NE ARG D 8 1.130 -50.978 1.846 1.00 94.52 ATOM 92 CZ ARG D 8 0.773 -50.128 0.886 1.00 91.81 ATOM 93 NH1 ARG D 8 -0.400 -49.510 0.953 1.00 91.51 ATOM 94 NH2 ARG D 8 1.515 -50.004 -0.207 1.00 89.44 ATOM 95 N ALA D 9 -1.063 -55.750 0.846 1.00105.20 ATOM 96 CA ALA D 9 -1.507 -55.968 -0.527 1.00104.40 ATOM 97 C ALA D 9 -2.838 -56.710 -0.572 1.00107.65 ATOM 98 O ALA D 9 -3.736 -56.342 -1.338 1.00106.91 ATOM 99 CB ALA D 9 -0.438 -56.736 -1.300 1.00104.21 ATOM 100 N VAL D 10 -2.974 -57.776 0.223 1.00101.46 ATOM 101 CA VAL D 10 -4.247 -58.489 0.296 1.00105.18 ATOM 102 C VAL D 10 -5.342 -57.560 0.804 1.00104.70 ATOM 103 O VAL D 10 -6.480 -57.588 0.316 1.00105.70 ATOM 104 CB VAL D 10 -4.113 -59.747 1.174 1.00109.93 ATOM 105 CG1 VAL D 10 -5.481 -60.343 1.467 1.00114.10 ATOM 106 CG2 VAL D 10 -3.231 -60.776 0.488 1.00110.90 ATOM 107 N LEU D 11 -5.017 -56.722 1.794 1.00111.17 ATOM 108 CA LEU D 11 -5.995 -55.768 2.304 1.00110.43 ATOM 109 C LEU D 11 -6.426 -54.794 1.215 1.00106.93 ATOM 110 O LEU D 11 -7.614 -54.481 1.089 1.00107.69 ATOM 111 CB LEU D 11 -5.423 -55.019 3.509 1.00109.43 ATOM 112 CG LEU D 11 -5.481 -55.769 4.845 1.00114.37 ATOM 113 CD1 LEU D 11 -4.880 -54.932 5.966 1.00112.76 ATOM 114 CD2 LEU D 11 -6.905 -56.195 5.187 1.00117.85 ATOM 115 N VAL D 12 -5.474 -54.309 0.415 1.00108.92 ATOM 116 CA VAL D 12 -5.801 -53.368 -0.652 1.00105.46 ATOM 117 C VAL D 12 -6.660 -54.038 -1.717 1.00106.87 ATOM 118 O VAL D 12 -7.626 -53.447 -2.210 1.00106.01 ATOM 119 CB VAL D 12 -4.512 -52.774 -1.251 1.00101.65 ATOM 120 CG1 VAL D 12 -4.797 -52.098 -2.584 1.00 98.65 ATOM 121 CG2 VAL D 12 -3.888 -51.786 -0.285 1.00 99.92 ATOM 122 N VAL D 13 -6.341 -55.285 -2.075 1.00104.75 ATOM 123 CA VAL D 13 -7.132 -55.996 -3.082 1.00106.36 ATOM 124 C VAL D 13 -8.558 -56.208 -2.587 1.00109.85 ATOM 125 O VAL D 13 -9.531 -55.963 -3.313 1.00110.00 ATOM 126 CB VAL D 13 -6.465 -57.333 -3.454 1.00108.92 ATOM 127 CG1 VAL D 13 -7.389 -58.156 -4.338 1.00111.97 ATOM 128 CG2 VAL D 13 -5.148 -57.090 -4.154 1.00105.97 ATOM 129 N ALA D 14 -8.702 -56.675 -1.344 1.00109.83 ATOM 130 CA ALA D 14 -10.033 -56.906 -0.794 1.00113.43 ATOM 131 C ALA D 14 -10.816 -55.605 -0.686 1.00111.13 ATOM 132 O ALA D 14 -12.009 -55.561 -1.012 1.00112.64 ATOM 133 CB ALA D 14 -9.928 -57.586 0.571 1.00117.21 ATOM 134 N GLY D 15 -10.163 -54.532 -0.232 1.00115.90 ATOM 135 CA GLY D 15 -10.843 -53.254 -0.131 1.00113.80 ATOM 136 C GLY D 15 -11.275 -52.720 -1.480 1.00111.19 ATOM 137 O GLY D 15 -12.379 -52.194 -1.622 1.00113.52 ATOM 138 N LEU D 16 -10.417 -52.860 -2.495 1.00115.25 ATOM 139 CA LEU D 16 -10.787 -52.423 -3.835 1.00113.08 ATOM 140 C LEU D 16 -11.964 -53.226 -4.370 1.00116.80 ATOM 141 O LEU D 16 -12.895 -52.657 -4.946 1.00117.42 ATOM 142 CB LEU D 16 -9.592 -52.528 -4.783 1.00110.27 ATOM 143 CG LEU D 16 -8.521 -51.441 -4.675 1.00106.12 ATOM 144 CD1 LEU D 16 -7.465 -51.626 -5.750 1.00104.09 ATOM 145 CD2 LEU D 16 -9.150 -50.061 -4.775 1.00103.33 ATOM 146 N ALA D 17 -11.949 -54.548 -4.178 1.00110.26 ATOM 147 CA ALA D 17 -13.058 -55.372 -4.654 1.00114.06 ATOM 148 C ALA D 17 -14.363 -54.996 -3.958 1.00117.23 ATOM 149 O ALA D 17 -15.401 -54.815 -4.610 1.00119.38 ATOM 150 CB ALA D 17 -12.737 -56.852 -4.446 1.00118.15 ATOM 151 N VAL D 18 -14.325 -54.861 -2.629 1.00115.31 ATOM 152 CA VAL D 18 -15.531 -54.536 -1.870 1.00119.67 ATOM 153 C VAL D 18 -16.047 -53.150 -2.241 1.00119.25 ATOM 154 O VAL D 18 -17.255 -52.952 -2.432 1.00125.15 ATOM 155 CB VAL D 18 -15.257 -54.656 -0.359 1.00120.51 ATOM 156 CG1 VAL D 18 -16.410 -54.073 0.440 1.00123.12 ATOM 157 CG2 VAL D 18 -15.028 -56.110 0.019 1.00123.23 ATOM 158 N LEU D 19 -15.145 -52.171 -2.357 1.00114.52 ATOM 159 CA LEU D 19 -15.562 -50.813 -2.681 1.00117.08 ATOM 160 C LEU D 19 -16.101 -50.724 -4.102 1.00119.83 ATOM 161 O LEU D 19 -17.069 -50.000 -4.355 1.00126.81 ATOM 162 CB LEU D 19 -14.391 -49.849 -2.482 1.00110.23 ATOM 163 CG LEU D 19 -14.755 -48.397 -2.173 1.00114.23 ATOM 164 CD1 LEU D 19 -15.474 -48.307 -0.838 1.00118.63 ATOM 165 CD2 LEU D 19 -13.516 -47.518 -2.177 1.00106.74 ATOM 166 N LEU D 20 -15.499 -51.459 -5.041 1.00118.17 ATOM 167 CA LEU D 20 -16.021 -51.502 -6.402 1.00119.68 ATOM 168 C LEU D 20 -17.419 -52.105 -6.428 1.00130.57 ATOM 169 O LEU D 20 -18.322 -51.575 -7.086 1.00137.20 ATOM 170 CB LEU D 20 -15.070 -52.290 -7.306 1.00111.81 ATOM 171 CG LEU D 20 -15.579 -52.649 -8.707 1.00112.72 ATOM 172 CD1 LEU D 20 -15.847 -51.400 -9.534 1.00109.57 ATOM 173 CD2 LEU D 20 -14.592 -53.562 -9.422 1.00108.90 ATOM 174 N GLN D 21 -17.616 -53.222 -5.718 1.00119.47 ATOM 175 CA GLN D 21 -18.941 -53.833 -5.666 1.00127.09 ATOM 176 C GLN D 21 -19.966 -52.877 -5.066 1.00133.14 ATOM 177 O GLN D 21 -21.076 -52.731 -5.596 1.00139.23 ATOM 178 CB GLN D 21 -18.884 -55.131 -4.858 1.00124.84 ATOM 179 CG GLN D 21 -18.119 -56.258 -5.536 1.00120.77 ATOM 180 CD GLN D 21 -18.663 -56.588 -6.912 1.00123.50 ATOM 181 OE1 GLN D 21 -18.074 -56.222 -7.931 1.00119.60 ATOM 182 NE2 GLN D 21 -19.787 -57.298 -6.948 1.00129.29 ATOM 183 N LEU D 22 -19.599 -52.192 -3.979 1.00120.63 ATOM 184 CA LEU D 22 -20.523 -51.269 -3.324 1.00124.75 ATOM 185 C LEU D 22 -20.869 -50.094 -4.233 1.00129.25 ATOM 186 O LEU D 22 -22.041 -49.723 -4.369 1.00133.98 ATOM 187 CB LEU D 22 -19.919 -50.784 -2.003 1.00121.02 ATOM 188 CG LEU D 22 -20.829 -50.100 -0.977 1.00123.21 ATOM 189 CD1 LEU D 22 -20.277 -50.312 0.424 1.00118.34 ATOM 190 CD2 LEU D 22 -20.989 -48.610 -1.259 1.00124.99 ATOM 191 N ILE D 23 -19.856 -49.494 -4.866 1.00117.52 ATOM 192 CA ILE D 23 -20.085 -48.335 -5.723 1.00120.65 ATOM 193 C ILE D 23 -20.914 -48.719 -6.942 1.00126.28 ATOM 194 O ILE D 23 -21.800 -47.968 -7.367 1.00129.71 ATOM 195 CB ILE D 23 -18.740 -47.700 -6.124 1.00112.88 ATOM 196 CG1 ILE D 23 -18.063 -47.067 -4.908 1.00108.72 ATOM 197 CG2 ILE D 23 -18.935 -46.658 -7.212 1.00110.50 ATOM 198 CD1 ILE D 23 -16.674 -46.547 -5.194 1.00 97.17 ATOM 199 N ARG D 24 -20.655 -49.896 -7.520 1.00127.52 ATOM 200 CA ARG D 24 -21.410 -50.311 -8.696 1.00131.76 ATOM 201 C ARG D 24 -22.850 -50.653 -8.335 1.00135.95 ATOM 202 O ARG D 24 -23.775 -50.324 -9.087 1.00138.55 ATOM 203 CB ARG D 24 -20.718 -51.494 -9.372 1.00125.54 ATOM 204 CG ARG D 24 -21.322 -51.894 -10.710 1.00129.05 ATOM 205 CD ARG D 24 -20.234 -52.219 -11.725 1.00114.24 ATOM 206 NE ARG D 24 -19.211 -53.102 -11.167 1.00107.28 ATOM 207 CZ ARG D 24 -18.115 -53.482 -11.816 1.00102.33 ATOM 208 NH1 ARG D 24 -17.895 -53.059 -13.055 1.00 99.74 ATOM 209 NH2 ARG D 24 -17.238 -54.287 -11.226 1.00103.38 ATOM 210 N GLY D 25 -23.067 -51.301 -7.186 1.00119.45 ATOM 211 CA GLY D 25 -24.429 -51.526 -6.731 1.00122.50 ATOM 212 C GLY D 25 -25.170 -50.229 -6.469 1.00124.05 ATOM 213 O GLY D 25 -26.350 -50.095 -6.809 1.00126.82 ATOM 214 N TRP D 26 -24.483 -49.253 -5.868 1.00113.91 ATOM 215 CA TRP D 26 -25.071 -47.932 -5.675 1.00113.21 ATOM 216 C TRP D 26 -25.477 -47.321 -7.010 1.00112.78 ATOM 217 O TRP D 26 -26.625 -46.906 -7.190 1.00113.30 ATOM 218 CB TRP D 26 -24.083 -47.023 -4.942 1.00110.07 ATOM 219 CG TRP D 26 -24.652 -45.692 -4.549 1.00108.30 ATOM 220 CD1 TRP D 26 -25.945 -45.421 -4.206 1.00109.46 ATOM 221 CD2 TRP D 26 -23.946 -44.448 -4.468 1.00104.48 ATOM 222 NE1 TRP D 26 -26.086 -44.086 -3.911 1.00106.69 ATOM 223 CE2 TRP D 26 -24.874 -43.466 -4.065 1.00103.00 ATOM 224 CE3 TRP D 26 -22.619 -44.068 -4.696 1.00101.90 ATOM 225 CZ2 TRP D 26 -24.518 -42.130 -3.885 1.00 98.78 ATOM 226 CZ3 TRP D 26 -22.267 -42.740 -4.516 1.00 97.11 ATOM 227 CH2 TRP D 26 -23.213 -41.788 -4.114 1.00 95.45 ATOM 228 N LEU D 27 -24.547 -47.281 -7.967 1.00112.84 ATOM 229 CA LEU D 27 -24.832 -46.677 -9.266 1.00109.67 ATOM 230 C LEU D 27 -25.954 -47.403 -9.996 1.00113.61 ATOM 231 O LEU D 27 -26.720 -46.774 -10.736 1.00113.12 ATOM 232 CB LEU D 27 -23.565 -46.657 -10.123 1.00105.75 ATOM 233 CG LEU D 27 -22.444 -45.715 -9.672 1.00101.29 ATOM 234 CD1 LEU D 27 -21.155 -45.990 -10.429 1.00 98.48 ATOM 235 CD2 LEU D 27 -22.867 -44.274 -9.859 1.00 98.55 ATOM 236 N SER D 28 -26.078 -48.718 -9.798 1.00114.49 ATOM 237 CA SER D 28 -27.114 -49.479 -10.489 1.00116.60 ATOM 238 C SER D 28 -28.478 -49.359 -9.817 1.00118.98 ATOM 239 O SER D 28 -29.503 -49.516 -10.489 1.00120.37 ATOM 240 CB SER D 28 -26.709 -50.951 -10.587 1.00118.96 ATOM 241 OG SER D 28 -26.458 -51.498 -9.305 1.00119.45 ATOM 242 N SER D 29 -28.520 -49.096 -8.509 1.00112.41 ATOM 243 CA SER D 29 -29.800 -48.953 -7.822 1.00113.68 ATOM 244 C SER D 29 -29.950 -47.567 -7.201 1.00112.29 ATOM 245 O SER D 29 -30.334 -47.443 -6.033 1.00113.15 ATOM 246 CB SER D 29 -29.954 -50.034 -6.749 1.00115.64 ATOM 247 OG SER D 29 -28.943 -49.920 -5.763 1.00115.42 ATOM 248 N LYS D 30 -29.664 -46.523 -7.978 1.00102.75 ATOM 249 CA LYS D 30 -29.727 -45.141 -7.517 1.00101.17 ATOM 250 C LYS D 30 -30.658 -44.340 -8.412 1.00101.06 ATOM 251 O LYS D 30 -30.596 -44.459 -9.641 1.00100.40 ATOM 252 CB LYS D 30 -28.340 -44.490 -7.520 1.00 99.70 ATOM 253 CG LYS D 30 -28.321 -43.051 -7.046 1.00 98.71 ATOM 254 CD LYS D 30 -26.910 -42.489 -7.041 1.00 97.17 ATOM 255 CE LYS D 30 -26.892 -41.064 -6.513 1.00 96.34 ATOM 256 NZ LYS D 30 -27.673 -40.138 -7.382 1.00 94.79 TER