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 L 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 L 28 LEU TRP LEU GLY LEU ARG ALA VAL LEU VAL VAL ALA GLY SEQRES 2 L 28 LEU ALA VAL LEU LEU GLN LEU ILE ARG GLY TRP LEU SER SEQRES 3 L 28 SER LYS ATOM 1 N LEU L 7 8.019 24.553 12.668 1.00131.91 ATOM 2 CA LEU L 7 7.745 23.495 11.706 1.00128.33 ATOM 3 C LEU L 7 6.239 23.242 11.654 1.00129.29 ATOM 4 O LEU L 7 5.787 22.165 11.269 1.00127.26 ATOM 5 CB LEU L 7 8.513 22.221 12.072 1.00125.34 ATOM 6 CG LEU L 7 8.584 21.061 11.074 1.00121.48 ATOM 7 CD1 LEU L 7 9.269 21.498 9.790 1.00119.60 ATOM 8 CD2 LEU L 7 9.293 19.871 11.695 1.00118.83 ATOM 9 N TRP L 8 5.459 24.251 12.057 1.00133.82 ATOM 10 CA TRP L 8 4.007 24.109 12.032 1.00134.27 ATOM 11 C TRP L 8 3.495 24.042 10.599 1.00132.76 ATOM 12 O TRP L 8 2.518 23.336 10.322 1.00131.64 ATOM 13 CB TRP L 8 3.331 25.256 12.792 1.00137.06 ATOM 14 CG TRP L 8 1.820 25.140 12.834 1.00137.30 ATOM 15 CD1 TRP L 8 1.081 24.463 13.766 1.00137.61 ATOM 16 CD2 TRP L 8 0.875 25.688 11.899 1.00137.09 ATOM 17 NE1 TRP L 8 -0.259 24.567 13.478 1.00137.65 ATOM 18 CE2 TRP L 8 -0.413 25.311 12.337 1.00137.28 ATOM 19 CE3 TRP L 8 0.991 26.461 10.738 1.00136.96 ATOM 20 CZ2 TRP L 8 -1.573 25.682 11.656 1.00137.37 ATOM 21 CZ3 TRP L 8 -0.164 26.827 10.063 1.00137.22 ATOM 22 CH2 TRP L 8 -1.428 26.438 10.525 1.00137.39 ATOM 23 N LEU L 9 4.134 24.775 9.682 1.00131.75 ATOM 24 CA LEU L 9 3.708 24.754 8.288 1.00131.03 ATOM 25 C LEU L 9 3.873 23.374 7.670 1.00127.33 ATOM 26 O LEU L 9 3.173 23.042 6.705 1.00125.82 ATOM 27 CB LEU L 9 4.497 25.786 7.480 1.00131.77 ATOM 28 CG LEU L 9 4.174 27.257 7.739 1.00135.13 ATOM 29 CD1 LEU L 9 5.101 28.155 6.936 1.00135.60 ATOM 30 CD2 LEU L 9 2.718 27.552 7.404 1.00135.95 ATOM 31 N GLY L 10 4.778 22.553 8.204 1.00123.59 ATOM 32 CA GLY L 10 4.836 21.193 7.717 1.00120.66 ATOM 33 C GLY L 10 4.016 20.223 8.526 1.00120.42 ATOM 34 O GLY L 10 3.901 19.052 8.155 1.00118.17 ATOM 35 N LEU L 11 3.427 20.693 9.629 1.00120.20 ATOM 36 CA LEU L 11 2.552 19.840 10.422 1.00120.76 ATOM 37 C LEU L 11 1.302 19.486 9.632 1.00120.14 ATOM 38 O LEU L 11 0.868 18.330 9.625 1.00118.57 ATOM 39 CB LEU L 11 2.184 20.521 11.740 1.00123.57 ATOM 40 CG LEU L 11 1.500 19.627 12.777 1.00124.13 ATOM 41 CD1 LEU L 11 2.468 18.583 13.310 1.00122.93 ATOM 42 CD2 LEU L 11 0.916 20.453 13.912 1.00127.35 ATOM 43 N ARG L 12 0.708 20.482 8.971 1.00117.60 ATOM 44 CA ARG L 12 -0.492 20.247 8.177 1.00116.97 ATOM 45 C ARG L 12 -0.202 19.320 7.005 1.00114.21 ATOM 46 O ARG L 12 -0.982 18.403 6.721 1.00113.12 ATOM 47 CB ARG L 12 -1.038 21.584 7.676 1.00118.63 ATOM 48 CG ARG L 12 -2.426 21.531 7.075 1.00119.04 ATOM 49 CD ARG L 12 -2.878 22.932 6.703 1.00121.66 ATOM 50 NE ARG L 12 -4.125 22.940 5.945 1.00122.16 ATOM 51 CZ ARG L 12 -5.335 23.006 6.491 1.00123.09 ATOM 52 NH1 ARG L 12 -5.479 22.901 7.804 1.00123.63 ATOM 53 NH2 ARG L 12 -6.409 23.027 5.713 1.00123.00 ATOM 54 N ALA L 13 0.934 19.522 6.334 1.00113.11 ATOM 55 CA ALA L 13 1.267 18.704 5.173 1.00110.16 ATOM 56 C ALA L 13 1.591 17.270 5.577 1.00108.46 ATOM 57 O ALA L 13 1.093 16.314 4.970 1.00107.26 ATOM 58 CB ALA L 13 2.431 19.334 4.410 1.00109.14 ATOM 59 N VAL L 14 2.424 17.097 6.605 1.00107.37 ATOM 60 CA VAL L 14 2.717 15.752 7.089 1.00106.05 ATOM 61 C VAL L 14 1.443 15.078 7.581 1.00106.95 ATOM 62 O VAL L 14 1.220 13.886 7.337 1.00105.75 ATOM 63 CB VAL L 14 3.800 15.794 8.185 1.00106.39 ATOM 64 CG1 VAL L 14 3.916 14.445 8.875 1.00105.71 ATOM 65 CG2 VAL L 14 5.140 16.182 7.587 1.00104.94 ATOM 66 N LEU L 15 0.580 15.833 8.265 1.00105.77 ATOM 67 CA LEU L 15 -0.661 15.272 8.788 1.00106.68 ATOM 68 C LEU L 15 -1.571 14.783 7.666 1.00105.88 ATOM 69 O LEU L 15 -2.113 13.675 7.735 1.00105.70 ATOM 70 CB LEU L 15 -1.374 16.316 9.651 1.00109.36 ATOM 71 CG LEU L 15 -2.621 15.878 10.422 1.00111.63 ATOM 72 CD1 LEU L 15 -2.262 14.849 11.483 1.00111.39 ATOM 73 CD2 LEU L 15 -3.315 17.079 11.047 1.00113.50 ATOM 74 N VAL L 16 -1.743 15.590 6.614 1.00104.48 ATOM 75 CA VAL L 16 -2.616 15.171 5.519 1.00104.05 ATOM 76 C VAL L 16 -2.006 13.997 4.757 1.00101.54 ATOM 77 O VAL L 16 -2.724 13.086 4.334 1.00101.02 ATOM 78 CB VAL L 16 -2.970 16.352 4.592 1.00104.51 ATOM 79 CG1 VAL L 16 -3.748 17.416 5.359 1.00107.05 ATOM 80 CG2 VAL L 16 -1.744 16.945 3.956 1.00103.31 ATOM 81 N VAL L 17 -0.682 13.995 4.560 1.00100.63 ATOM 82 CA VAL L 17 -0.041 12.873 3.869 1.00 98.61 ATOM 83 C VAL L 17 -0.220 11.585 4.665 1.00 99.15 ATOM 84 O VAL L 17 -0.558 10.529 4.112 1.00 98.99 ATOM 85 CB VAL L 17 1.447 13.173 3.610 1.00 97.39 ATOM 86 CG1 VAL L 17 2.159 11.925 3.113 1.00 96.21 ATOM 87 CG2 VAL L 17 1.585 14.286 2.593 1.00 97.23 ATOM 88 N ALA L 18 0.019 11.649 5.977 1.00 98.19 ATOM 89 CA ALA L 18 -0.141 10.470 6.818 1.00 99.07 ATOM 90 C ALA L 18 -1.589 9.999 6.824 1.00100.01 ATOM 91 O ALA L 18 -1.857 8.794 6.768 1.00100.17 ATOM 92 CB ALA L 18 0.335 10.767 8.240 1.00 99.77 ATOM 93 N GLY L 19 -2.536 10.935 6.902 1.00 97.16 ATOM 94 CA GLY L 19 -3.936 10.553 6.875 1.00 98.16 ATOM 95 C GLY L 19 -4.328 9.903 5.565 1.00 97.56 ATOM 96 O GLY L 19 -5.062 8.915 5.550 1.00 98.53 ATOM 97 N LEU L 20 -3.826 10.436 4.448 1.00 94.49 ATOM 98 CA LEU L 20 -4.110 9.834 3.151 1.00 93.68 ATOM 99 C LEU L 20 -3.538 8.428 3.064 1.00 93.37 ATOM 100 O LEU L 20 -4.219 7.505 2.610 1.00 93.85 ATOM 101 CB LEU L 20 -3.546 10.705 2.028 1.00 92.67 ATOM 102 CG LEU L 20 -4.303 11.978 1.652 1.00 93.28 ATOM 103 CD1 LEU L 20 -3.636 12.647 0.467 1.00 92.38 ATOM 104 CD2 LEU L 20 -5.754 11.663 1.338 1.00 94.03 ATOM 105 N ALA L 21 -2.297 8.239 3.520 1.00 93.79 ATOM 106 CA ALA L 21 -1.689 6.912 3.478 1.00 93.95 ATOM 107 C ALA L 21 -2.452 5.921 4.354 1.00 95.67 ATOM 108 O ALA L 21 -2.760 4.800 3.925 1.00 96.80 ATOM 109 CB ALA L 21 -0.224 6.997 3.904 1.00 93.19 ATOM 110 N VAL L 22 -2.773 6.323 5.587 1.00 92.06 ATOM 111 CA VAL L 22 -3.471 5.433 6.511 1.00 94.06 ATOM 112 C VAL L 22 -4.862 5.098 5.990 1.00 95.11 ATOM 113 O VAL L 22 -5.285 3.936 6.013 1.00 96.42 ATOM 114 CB VAL L 22 -3.533 6.067 7.913 1.00 94.44 ATOM 115 CG1 VAL L 22 -4.478 5.283 8.814 1.00 95.67 ATOM 116 CG2 VAL L 22 -2.143 6.134 8.521 1.00 93.70 ATOM 117 N LEU L 23 -5.591 6.102 5.497 1.00 92.10 ATOM 118 CA LEU L 23 -6.942 5.865 5.008 1.00 93.24 ATOM 119 C LEU L 23 -6.925 5.020 3.743 1.00 93.26 ATOM 120 O LEU L 23 -7.787 4.156 3.560 1.00 94.76 ATOM 121 CB LEU L 23 -7.645 7.201 4.764 1.00 92.88 ATOM 122 CG LEU L 23 -9.171 7.204 4.860 1.00 94.59 ATOM 123 CD1 LEU L 23 -9.614 6.878 6.279 1.00 95.83 ATOM 124 CD2 LEU L 23 -9.737 8.542 4.415 1.00 94.53 ATOM 125 N LEU L 24 -5.938 5.235 2.869 1.00 93.03 ATOM 126 CA LEU L 24 -5.805 4.410 1.676 1.00 93.20 ATOM 127 C LEU L 24 -5.550 2.955 2.044 1.00 94.94 ATOM 128 O LEU L 24 -6.202 2.046 1.515 1.00 96.47 ATOM 129 CB LEU L 24 -4.677 4.950 0.796 1.00 91.39 ATOM 130 CG LEU L 24 -4.211 4.083 -0.378 1.00 91.96 ATOM 131 CD1 LEU L 24 -5.322 3.889 -1.402 1.00 92.68 ATOM 132 CD2 LEU L 24 -2.971 4.679 -1.030 1.00 90.21 ATOM 133 N GLN L 25 -4.608 2.713 2.960 1.00 90.39 ATOM 134 CA GLN L 25 -4.338 1.342 3.381 1.00 91.72 ATOM 135 C GLN L 25 -5.563 0.708 4.028 1.00 92.96 ATOM 136 O GLN L 25 -5.894 -0.450 3.742 1.00 94.49 ATOM 137 CB GLN L 25 -3.144 1.305 4.333 1.00 90.85 ATOM 138 CG GLN L 25 -1.824 1.623 3.656 1.00 89.69 ATOM 139 CD GLN L 25 -1.559 0.724 2.463 1.00 91.21 ATOM 140 OE1 GLN L 25 -1.692 1.146 1.314 1.00 90.59 ATOM 141 NE2 GLN L 25 -1.185 -0.523 2.729 1.00 92.68 ATOM 142 N LEU L 26 -6.264 1.457 4.883 1.00 89.15 ATOM 143 CA LEU L 26 -7.434 0.910 5.564 1.00 90.24 ATOM 144 C LEU L 26 -8.535 0.559 4.573 1.00 91.87 ATOM 145 O LEU L 26 -9.125 -0.525 4.645 1.00 93.17 ATOM 146 CB LEU L 26 -7.945 1.902 6.612 1.00 90.18 ATOM 147 CG LEU L 26 -7.092 2.076 7.871 1.00 89.95 ATOM 148 CD1 LEU L 26 -7.709 3.116 8.790 1.00 90.18 ATOM 149 CD2 LEU L 26 -6.920 0.751 8.593 1.00 91.14 ATOM 150 N ILE L 27 -8.821 1.461 3.630 1.00 86.95 ATOM 151 CA ILE L 27 -9.886 1.210 2.667 1.00 87.67 ATOM 152 C ILE L 27 -9.519 0.054 1.746 1.00 88.70 ATOM 153 O ILE L 27 -10.359 -0.799 1.439 1.00 90.07 ATOM 154 CB ILE L 27 -10.205 2.490 1.873 1.00 86.92 ATOM 155 CG1 ILE L 27 -10.747 3.576 2.805 1.00 86.45 ATOM 156 CG2 ILE L 27 -11.211 2.194 0.775 1.00 87.90 ATOM 157 CD1 ILE L 27 -10.886 4.935 2.151 1.00 85.98 ATOM 158 N ARG L 28 -8.259 -0.014 1.306 1.00 95.56 ATOM 159 CA ARG L 28 -7.877 -1.081 0.388 1.00 96.61 ATOM 160 C ARG L 28 -7.794 -2.432 1.091 1.00 97.76 ATOM 161 O ARG L 28 -7.984 -3.472 0.449 1.00 99.46 ATOM 162 CB ARG L 28 -6.554 -0.739 -0.296 1.00 94.70 ATOM 163 CG ARG L 28 -6.238 -1.631 -1.489 1.00 96.62 ATOM 164 CD ARG L 28 -5.384 -0.913 -2.522 1.00 95.44 ATOM 165 NE ARG L 28 -4.123 -0.430 -1.964 1.00 92.88 ATOM 166 CZ ARG L 28 -3.160 0.135 -2.685 1.00 91.39 ATOM 167 NH1 ARG L 28 -3.318 0.283 -3.995 1.00 91.99 ATOM 168 NH2 ARG L 28 -2.042 0.547 -2.101 1.00 90.19 ATOM 169 N GLY L 29 -7.520 -2.448 2.397 1.00 87.66 ATOM 170 CA GLY L 29 -7.606 -3.697 3.134 1.00 89.47 ATOM 171 C GLY L 29 -9.042 -4.114 3.383 1.00 90.57 ATOM 172 O GLY L 29 -9.380 -5.300 3.299 1.00 92.66 ATOM 173 N TRP L 30 -9.907 -3.145 3.691 1.00 85.69 ATOM 174 CA TRP L 30 -11.327 -3.431 3.848 1.00 86.75 ATOM 175 C TRP L 30 -11.913 -4.006 2.566 1.00 88.00 ATOM 176 O TRP L 30 -12.734 -4.929 2.611 1.00 89.91 ATOM 177 CB TRP L 30 -12.067 -2.156 4.255 1.00 85.40 ATOM 178 CG TRP L 30 -13.535 -2.337 4.458 1.00 86.51 ATOM 179 CD1 TRP L 30 -14.165 -3.421 4.999 1.00 88.38 ATOM 180 CD2 TRP L 30 -14.565 -1.407 4.111 1.00 86.08 ATOM 181 NE1 TRP L 30 -15.524 -3.218 5.017 1.00 89.05 ATOM 182 CE2 TRP L 30 -15.795 -1.989 4.476 1.00 87.68 ATOM 183 CE3 TRP L 30 -14.566 -0.136 3.529 1.00 84.76 ATOM 184 CZ2 TRP L 30 -17.012 -1.344 4.279 1.00 87.94 ATOM 185 CZ3 TRP L 30 -15.776 0.502 3.333 1.00 85.13 ATOM 186 CH2 TRP L 30 -16.982 -0.102 3.707 1.00 86.68 ATOM 187 N LEU L 31 -11.494 -3.480 1.412 1.00 86.32 ATOM 188 CA LEU L 31 -12.041 -3.948 0.141 1.00 87.65 ATOM 189 C LEU L 31 -11.736 -5.422 -0.099 1.00 89.96 ATOM 190 O LEU L 31 -12.541 -6.126 -0.718 1.00 91.87 ATOM 191 CB LEU L 31 -11.502 -3.096 -1.010 1.00 86.49 ATOM 192 CG LEU L 31 -12.009 -1.653 -1.092 1.00 84.90 ATOM 193 CD1 LEU L 31 -11.365 -0.911 -2.252 1.00 84.13 ATOM 194 CD2 LEU L 31 -13.524 -1.615 -1.200 1.00 85.89 ATOM 195 N SER L 32 -10.591 -5.908 0.383 1.00 92.95 ATOM 196 CA SER L 32 -10.235 -7.315 0.231 1.00 93.45 ATOM 197 C SER L 32 -10.776 -8.190 1.354 1.00 94.31 ATOM 198 O SER L 32 -10.984 -9.392 1.145 1.00 96.10 ATOM 199 CB SER L 32 -8.714 -7.473 0.154 1.00 93.34 ATOM 200 OG SER L 32 -8.194 -6.852 -1.008 1.00 93.15 ATOM 201 N SER L 33 -11.005 -7.623 2.539 1.00 98.53 ATOM 202 CA SER L 33 -11.572 -8.381 3.648 1.00 98.89 ATOM 203 C SER L 33 -13.094 -8.441 3.623 1.00 99.61 ATOM 204 O SER L 33 -13.672 -9.377 4.189 1.00100.48 ATOM 205 CB SER L 33 -11.123 -7.780 4.984 1.00 97.47 ATOM 206 OG SER L 33 -9.712 -7.740 5.073 1.00 97.29 ATOM 207 N LYS L 34 -13.749 -7.477 2.980 1.00 97.00 ATOM 208 CA LYS L 34 -15.197 -7.345 3.057 1.00 93.82 ATOM 209 C LYS L 34 -15.891 -8.425 2.239 1.00 92.62 ATOM 210 O LYS L 34 -15.477 -8.737 1.119 1.00 93.40 ATOM 211 CB LYS L 34 -15.628 -5.964 2.555 1.00 91.91 ATOM 212 CG LYS L 34 -17.119 -5.709 2.630 1.00 88.70 ATOM 213 CD LYS L 34 -17.474 -4.314 2.152 1.00 87.30 ATOM 214 CE LYS L 34 -18.964 -4.061 2.312 1.00 84.45 ATOM 215 NZ LYS L 34 -19.770 -4.996 1.480 1.00 82.30 TER