HEADER MEMBRANE PROTEIN 31-DEC-69 7W2H TITLE A double cysteine variant 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, M, N, O, P, Q, R, S, T, U, V, W, X; COMPND 4 MUTATION: YES; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.80 ANGSTORMS DBREF 7W2H W 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 W 26 LEU GLY LEU ARG ALA VAL LEU VAL VAL ALA GLY LEU ALA SEQRES 2 W 26 VAL LEU LEU GLN LEU ILE ARG GLY TRP LEU SER SER LYS ATOM 1 N LEU W 5 42.080 -8.851 5.197 1.00104.58 ATOM 2 CA LEU W 5 41.004 -9.830 5.103 1.00104.75 ATOM 3 C LEU W 5 40.694 -10.195 3.654 1.00104.82 ATOM 4 O LEU W 5 40.525 -9.318 2.810 1.00104.77 ATOM 5 CB LEU W 5 39.744 -9.299 5.784 1.00104.83 ATOM 6 CG LEU W 5 39.725 -9.277 7.312 1.00104.83 ATOM 7 CD1 LEU W 5 40.565 -8.151 7.906 1.00104.67 ATOM 8 CD2 LEU W 5 38.292 -9.166 7.765 1.00104.97 ATOM 9 N GLY W 6 40.614 -11.491 3.370 1.00125.64 ATOM 10 CA GLY W 6 40.304 -11.920 2.014 1.00125.71 ATOM 11 C GLY W 6 41.458 -11.633 1.075 1.00125.59 ATOM 12 O GLY W 6 42.626 -11.871 1.405 1.00125.50 ATOM 13 N LEU W 7 41.132 -11.101 -0.104 1.00141.48 ATOM 14 CA LEU W 7 42.117 -10.818 -1.149 1.00141.39 ATOM 15 C LEU W 7 42.900 -12.081 -1.504 1.00141.42 ATOM 16 O LEU W 7 44.126 -12.145 -1.380 1.00141.32 ATOM 17 CB LEU W 7 43.055 -9.679 -0.737 1.00141.21 ATOM 18 CG LEU W 7 42.802 -8.290 -1.334 1.00141.15 ATOM 19 CD1 LEU W 7 44.058 -7.430 -1.227 1.00140.98 ATOM 20 CD2 LEU W 7 42.335 -8.391 -2.779 1.00141.23 ATOM 21 N ARG W 8 42.155 -13.110 -1.917 1.00132.14 ATOM 22 CA ARG W 8 42.669 -14.414 -2.334 1.00132.21 ATOM 23 C ARG W 8 43.284 -15.211 -1.179 1.00132.21 ATOM 24 O ARG W 8 43.495 -16.419 -1.313 1.00132.30 ATOM 25 CB ARG W 8 43.672 -14.247 -3.488 1.00132.13 ATOM 26 CG ARG W 8 44.169 -15.537 -4.112 1.00132.21 ATOM 27 CD ARG W 8 45.201 -15.265 -5.192 1.00132.13 ATOM 28 NE ARG W 8 45.792 -16.510 -5.666 1.00132.21 ATOM 29 CZ ARG W 8 46.678 -16.601 -6.652 1.00132.18 ATOM 30 NH1 ARG W 8 47.091 -15.515 -7.291 1.00132.07 ATOM 31 NH2 ARG W 8 47.149 -17.788 -7.000 1.00132.26 ATOM 32 N ALA W 9 43.536 -14.571 -0.030 1.00114.58 ATOM 33 CA ALA W 9 44.140 -15.276 1.103 1.00114.58 ATOM 34 C ALA W 9 43.216 -16.354 1.660 1.00114.75 ATOM 35 O ALA W 9 43.673 -17.447 2.015 1.00114.82 ATOM 36 CB ALA W 9 44.516 -14.281 2.200 1.00114.45 ATOM 37 N VAL W 10 41.915 -16.066 1.755 1.00110.05 ATOM 38 CA VAL W 10 40.971 -17.054 2.271 1.00110.22 ATOM 39 C VAL W 10 40.521 -18.030 1.188 1.00110.36 ATOM 40 O VAL W 10 40.096 -19.148 1.510 1.00110.51 ATOM 41 CB VAL W 10 39.758 -16.351 2.910 1.00110.26 ATOM 42 CG1 VAL W 10 38.875 -17.345 3.661 1.00110.44 ATOM 43 CG2 VAL W 10 40.217 -15.236 3.842 1.00110.12 ATOM 44 N LEU W 11 40.626 -17.649 -0.089 1.00126.92 ATOM 45 CA LEU W 11 40.198 -18.538 -1.167 1.00127.05 ATOM 46 C LEU W 11 40.983 -19.846 -1.156 1.00127.11 ATOM 47 O LEU W 11 40.418 -20.919 -1.401 1.00127.28 ATOM 48 CB LEU W 11 40.343 -17.838 -2.520 1.00126.99 ATOM 49 CG LEU W 11 39.614 -16.504 -2.708 1.00126.94 ATOM 50 CD1 LEU W 11 39.734 -16.019 -4.148 1.00126.91 ATOM 51 CD2 LEU W 11 38.154 -16.612 -2.294 1.00127.08 ATOM 52 N VAL W 12 42.288 -19.781 -0.873 1.00116.42 ATOM 53 CA VAL W 12 43.085 -21.002 -0.796 1.00116.48 ATOM 54 C VAL W 12 42.756 -21.772 0.478 1.00116.58 ATOM 55 O VAL W 12 42.786 -23.009 0.491 1.00116.72 ATOM 56 CB VAL W 12 44.587 -20.669 -0.893 1.00116.33 ATOM 57 CG1 VAL W 12 45.413 -21.938 -1.061 1.00116.41 ATOM 58 CG2 VAL W 12 44.845 -19.707 -2.046 1.00116.22 ATOM 59 N VAL W 13 42.426 -21.063 1.560 1.00108.75 ATOM 60 CA VAL W 13 41.986 -21.726 2.784 1.00108.86 ATOM 61 C VAL W 13 40.649 -22.425 2.559 1.00109.05 ATOM 62 O VAL W 13 40.470 -23.589 2.939 1.00109.20 ATOM 63 CB VAL W 13 41.919 -20.717 3.946 1.00108.75 ATOM 64 CG1 VAL W 13 41.038 -21.240 5.064 1.00108.89 ATOM 65 CG2 VAL W 13 43.315 -20.427 4.477 1.00108.61 ATOM 66 N ALA W 14 39.693 -21.734 1.929 1.00102.78 ATOM 67 CA ALA W 14 38.399 -22.357 1.664 1.00102.97 ATOM 68 C ALA W 14 38.532 -23.515 0.685 1.00103.09 ATOM 69 O ALA W 14 37.815 -24.516 0.799 1.00103.27 ATOM 70 CB ALA W 14 37.409 -21.321 1.129 1.00102.95 ATOM 71 N GLY W 15 39.438 -23.393 -0.287 1.00113.73 ATOM 72 CA GLY W 15 39.651 -24.480 -1.229 1.00113.85 ATOM 73 C GLY W 15 40.167 -25.740 -0.560 1.00113.95 ATOM 74 O GLY W 15 39.709 -26.846 -0.861 1.00114.12 ATOM 75 N LEU W 16 41.126 -25.591 0.359 1.00114.16 ATOM 76 CA LEU W 16 41.586 -26.738 1.135 1.00114.26 ATOM 77 C LEU W 16 40.503 -27.221 2.090 1.00114.41 ATOM 78 O LEU W 16 40.389 -28.425 2.349 1.00114.58 ATOM 79 CB LEU W 16 42.857 -26.387 1.911 1.00114.12 ATOM 80 CG LEU W 16 44.189 -26.354 1.157 1.00114.01 ATOM 81 CD1 LEU W 16 45.356 -26.427 2.135 1.00113.94 ATOM 82 CD2 LEU W 16 44.261 -27.483 0.146 1.00114.15 ATOM 83 N ALA W 17 39.705 -26.295 2.628 1.00104.89 ATOM 84 CA ALA W 17 38.606 -26.682 3.505 1.00105.04 ATOM 85 C ALA W 17 37.595 -27.546 2.765 1.00105.24 ATOM 86 O ALA W 17 37.134 -28.565 3.291 1.00105.41 ATOM 87 CB ALA W 17 37.933 -25.437 4.082 1.00104.95 ATOM 88 N VAL W 18 37.252 -27.161 1.534 1.00112.24 ATOM 89 CA VAL W 18 36.339 -27.963 0.725 1.00112.43 ATOM 90 C VAL W 18 36.993 -29.280 0.321 1.00112.54 ATOM 91 O VAL W 18 36.348 -30.336 0.332 1.00112.74 ATOM 92 CB VAL W 18 35.872 -27.156 -0.501 1.00112.38 ATOM 93 CG1 VAL W 18 35.063 -28.030 -1.446 1.00112.56 ATOM 94 CG2 VAL W 18 35.056 -25.954 -0.057 1.00112.31 ATOM 95 N LEU W 19 38.279 -29.242 -0.041 1.00116.68 ATOM 96 CA LEU W 19 38.989 -30.474 -0.378 1.00116.79 ATOM 97 C LEU W 19 38.988 -31.445 0.794 1.00116.92 ATOM 98 O LEU W 19 38.789 -32.652 0.611 1.00117.11 ATOM 99 CB LEU W 19 40.422 -30.163 -0.808 1.00116.63 ATOM 100 CG LEU W 19 41.314 -31.372 -1.106 1.00116.72 ATOM 101 CD1 LEU W 19 40.741 -32.189 -2.253 1.00116.88 ATOM 102 CD2 LEU W 19 42.737 -30.931 -1.415 1.00116.55 ATOM 103 N LEU W 20 39.210 -30.937 2.009 1.00115.15 ATOM 104 CA LEU W 20 39.129 -31.791 3.188 1.00115.29 ATOM 105 C LEU W 20 37.703 -32.275 3.418 1.00115.48 ATOM 106 O LEU W 20 37.492 -33.424 3.818 1.00115.67 ATOM 107 CB LEU W 20 39.655 -31.049 4.416 1.00115.15 ATOM 108 CG LEU W 20 41.174 -31.044 4.603 1.00115.03 ATOM 109 CD1 LEU W 20 41.563 -30.260 5.848 1.00114.90 ATOM 110 CD2 LEU W 20 41.705 -32.468 4.677 1.00115.19 ATOM 111 N GLN W 21 36.711 -31.418 3.162 1.00118.35 ATOM 112 CA GLN W 21 35.321 -31.843 3.299 1.00118.54 ATOM 113 C GLN W 21 34.984 -32.948 2.305 1.00118.72 ATOM 114 O GLN W 21 34.251 -33.888 2.635 1.00118.93 ATOM 115 CB GLN W 21 34.385 -30.648 3.117 1.00118.46 ATOM 116 CG GLN W 21 34.411 -29.654 4.270 1.00118.34 ATOM 117 CD GLN W 21 33.708 -28.351 3.934 1.00118.24 ATOM 118 OE1 GLN W 21 32.990 -28.260 2.938 1.00118.29 ATOM 119 NE2 GLN W 21 33.917 -27.332 4.762 1.00118.09 ATOM 120 N LEU W 22 35.517 -32.855 1.084 1.00125.46 ATOM 121 CA LEU W 22 35.299 -33.905 0.093 1.00129.02 ATOM 122 C LEU W 22 36.018 -35.188 0.492 1.00126.76 ATOM 123 O LEU W 22 35.441 -36.280 0.434 1.00119.77 ATOM 124 CB LEU W 22 35.759 -33.427 -1.287 1.00121.77 ATOM 125 CG LEU W 22 35.311 -34.163 -2.559 1.00132.78 ATOM 126 CD1 LEU W 22 36.055 -35.480 -2.775 1.00133.93 ATOM 127 CD2 LEU W 22 33.810 -34.397 -2.541 1.00125.15 ATOM 128 N ILE W 23 37.286 -35.076 0.890 1.00124.76 ATOM 129 CA ILE W 23 38.058 -36.261 1.248 1.00125.91 ATOM 130 C ILE W 23 37.502 -36.896 2.517 1.00126.72 ATOM 131 O ILE W 23 37.313 -38.116 2.587 1.00126.20 ATOM 132 CB ILE W 23 39.549 -35.903 1.392 1.00113.04 ATOM 133 CG1 ILE W 23 40.121 -35.474 0.037 1.00116.30 ATOM 134 CG2 ILE W 23 40.337 -37.076 1.958 1.00116.26 ATOM 135 CD1 ILE W 23 41.564 -35.014 0.090 1.00118.73 ATOM 136 N ARG W 24 37.229 -36.081 3.542 1.00129.75 ATOM 137 CA ARG W 24 36.655 -36.624 4.770 1.00126.18 ATOM 138 C ARG W 24 35.227 -37.108 4.553 1.00123.73 ATOM 139 O ARG W 24 34.765 -38.006 5.265 1.00122.15 ATOM 140 CB ARG W 24 36.710 -35.585 5.894 1.00127.11 ATOM 141 CG ARG W 24 36.325 -36.125 7.267 1.00138.63 ATOM 142 CD ARG W 24 36.770 -35.193 8.387 1.00141.85 ATOM 143 NE ARG W 24 35.800 -34.135 8.658 1.00138.43 ATOM 144 CZ ARG W 24 35.849 -33.332 9.716 1.00143.70 ATOM 145 NH1 ARG W 24 36.823 -33.463 10.608 1.00143.68 ATOM 146 NH2 ARG W 24 34.922 -32.400 9.888 1.00138.87 ATOM 147 N GLY W 25 34.518 -36.540 3.577 1.00131.64 ATOM 148 CA GLY W 25 33.191 -37.042 3.261 1.00127.50 ATOM 149 C GLY W 25 33.230 -38.417 2.620 1.00125.68 ATOM 150 O GLY W 25 32.394 -39.274 2.918 1.00126.23 ATOM 151 N TRP W 26 34.205 -38.651 1.737 1.00139.97 ATOM 152 CA TRP W 26 34.398 -39.989 1.187 1.00131.51 ATOM 153 C TRP W 26 34.781 -40.979 2.278 1.00133.84 ATOM 154 O TRP W 26 34.255 -42.096 2.326 1.00131.88 ATOM 155 CB TRP W 26 35.468 -39.960 0.095 1.00122.71 ATOM 156 CG TRP W 26 35.789 -41.313 -0.474 1.00122.13 ATOM 157 CD1 TRP W 26 34.906 -42.229 -0.967 1.00131.16 ATOM 158 CD2 TRP W 26 37.089 -41.908 -0.588 1.00125.46 ATOM 159 NE1 TRP W 26 35.575 -43.353 -1.389 1.00128.10 ATOM 160 CE2 TRP W 26 36.917 -43.182 -1.166 1.00121.44 ATOM 161 CE3 TRP W 26 38.381 -41.485 -0.260 1.00126.96 ATOM 162 CZ2 TRP W 26 37.988 -44.035 -1.424 1.00122.88 ATOM 163 CZ3 TRP W 26 39.443 -42.333 -0.516 1.00128.77 ATOM 164 CH2 TRP W 26 39.240 -43.593 -1.094 1.00131.24 ATOM 165 N LEU W 27 35.689 -40.578 3.173 1.00120.71 ATOM 166 CA LEU W 27 36.111 -41.462 4.255 1.00114.12 ATOM 167 C LEU W 27 34.987 -41.713 5.253 1.00117.95 ATOM 168 O LEU W 27 34.979 -42.749 5.928 1.00127.19 ATOM 169 CB LEU W 27 37.335 -40.874 4.960 1.00112.33 ATOM 170 CG LEU W 27 38.621 -40.801 4.132 1.00110.76 ATOM 171 CD1 LEU W 27 39.772 -40.264 4.970 1.00117.46 ATOM 172 CD2 LEU W 27 38.971 -42.159 3.543 1.00112.36 ATOM 173 N SER W 28 34.032 -40.792 5.354 1.00115.24 ATOM 174 CA SER W 28 32.921 -40.930 6.285 1.00119.23 ATOM 175 C SER W 28 31.751 -41.721 5.714 1.00128.40 ATOM 176 O SER W 28 30.865 -42.118 6.478 1.00133.56 ATOM 177 CB SER W 28 32.431 -39.546 6.726 1.00126.03 ATOM 178 OG SER W 28 33.500 -38.758 7.221 1.00137.56 ATOM 179 N SER W 29 31.720 -41.957 4.402 1.00127.96 ATOM 180 CA SER W 29 30.614 -42.662 3.762 1.00123.13 ATOM 181 C SER W 29 31.067 -43.894 2.987 1.00126.13 ATOM 182 O SER W 29 30.283 -44.441 2.202 1.00130.14 ATOM 183 CB SER W 29 29.848 -41.713 2.834 1.00127.53 ATOM 184 OG SER W 29 30.702 -41.160 1.848 1.00140.66 ATOM 185 N LYS W 30 32.304 -44.344 3.185 1.00113.45 ATOM 186 CA LYS W 30 32.867 -45.456 2.423 1.00113.37 ATOM 187 C LYS W 30 32.682 -46.764 3.183 1.00117.36 ATOM 188 O LYS W 30 33.346 -46.994 4.198 1.00119.72 ATOM 189 CB LYS W 30 34.345 -45.215 2.128 1.00109.70 ATOM 190 CG LYS W 30 35.007 -46.375 1.406 1.00121.68 ATOM 191 CD LYS W 30 36.493 -46.137 1.197 1.00114.66 ATOM 192 CE LYS W 30 37.112 -47.318 0.466 1.00121.34 ATOM 193 NZ LYS W 30 36.900 -48.597 1.212 1.00121.54 TER