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 K 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 K 27 TRP LEU GLY LEU ARG ALA VAL LEU VAL VAL ALA GLY LEU SEQRES 2 K 27 ALA VAL LEU LEU GLN LEU ILE ARG GLY TRP LEU SER SER SEQRES 3 K 27 LYS ATOM 1 N TRP C 4 -9.931 -45.298 67.234 1.00126.08 ATOM 2 CA TRP C 4 -9.002 -45.522 66.133 1.00126.37 ATOM 3 C TRP C 4 -9.089 -44.387 65.118 1.00126.60 ATOM 4 O TRP C 4 -8.938 -44.600 63.915 1.00126.89 ATOM 5 CB TRP C 4 -9.285 -46.868 65.458 1.00126.51 ATOM 6 CG TRP C 4 -9.253 -48.027 66.415 1.00126.30 ATOM 7 CD1 TRP C 4 -10.254 -48.420 67.256 1.00126.06 ATOM 8 CD2 TRP C 4 -8.165 -48.935 66.636 1.00126.31 ATOM 9 NE1 TRP C 4 -9.859 -49.514 67.985 1.00125.91 ATOM 10 CE2 TRP C 4 -8.581 -49.851 67.623 1.00126.06 ATOM 11 CE3 TRP C 4 -6.881 -49.063 66.095 1.00126.51 ATOM 12 CZ2 TRP C 4 -7.760 -50.881 68.080 1.00126.01 ATOM 13 CZ3 TRP C 4 -6.068 -50.088 66.551 1.00126.46 ATOM 14 CH2 TRP C 4 -6.511 -50.982 67.533 1.00126.21 ATOM 15 N LEU C 5 -9.334 -43.175 65.614 1.00122.23 ATOM 16 CA LEU C 5 -9.427 -41.984 64.770 1.00122.42 ATOM 17 C LEU C 5 -8.030 -41.613 64.284 1.00122.60 ATOM 18 O LEU C 5 -7.384 -40.696 64.796 1.00122.51 ATOM 19 CB LEU C 5 -10.063 -40.833 65.541 1.00122.23 ATOM 20 CG LEU C 5 -10.304 -39.522 64.792 1.00122.39 ATOM 21 CD1 LEU C 5 -11.300 -39.747 63.673 1.00122.62 ATOM 22 CD2 LEU C 5 -10.791 -38.440 65.743 1.00122.17 ATOM 23 N GLY C 6 -7.548 -42.350 63.281 1.00118.91 ATOM 24 CA GLY C 6 -6.253 -42.022 62.706 1.00119.11 ATOM 25 C GLY C 6 -6.276 -40.688 61.986 1.00119.27 ATOM 26 O GLY C 6 -5.365 -39.868 62.131 1.00119.28 ATOM 27 N LEU C 7 -7.326 -40.459 61.203 1.00119.38 ATOM 28 CA LEU C 7 -7.581 -39.197 60.503 1.00119.54 ATOM 29 C LEU C 7 -6.411 -38.957 59.552 1.00119.82 ATOM 30 O LEU C 7 -6.071 -39.863 58.775 1.00120.03 ATOM 31 CB LEU C 7 -7.845 -38.099 61.527 1.00119.28 ATOM 32 CG LEU C 7 -8.656 -36.894 61.048 1.00119.37 ATOM 33 CD1 LEU C 7 -9.954 -37.357 60.405 1.00119.48 ATOM 34 CD2 LEU C 7 -8.930 -35.957 62.210 1.00119.09 ATOM 35 N ARG C 8 -5.765 -37.789 59.581 1.00108.74 ATOM 36 CA ARG C 8 -4.658 -37.538 58.667 1.00109.02 ATOM 37 C ARG C 8 -3.415 -38.342 59.027 1.00109.00 ATOM 38 O ARG C 8 -2.560 -38.554 58.160 1.00109.26 ATOM 39 CB ARG C 8 -4.320 -36.046 58.641 1.00109.03 ATOM 40 CG ARG C 8 -3.571 -35.552 59.871 1.00108.77 ATOM 41 CD ARG C 8 -2.929 -34.192 59.620 1.00108.85 ATOM 42 NE ARG C 8 -1.977 -34.234 58.511 1.00109.17 ATOM 43 CZ ARG C 8 -1.266 -33.192 58.091 1.00109.30 ATOM 44 NH1 ARG C 8 -1.392 -32.014 58.687 1.00109.14 ATOM 45 NH2 ARG C 8 -0.427 -33.328 57.073 1.00109.60 ATOM 46 N ALA C 9 -3.296 -38.798 60.276 1.00 97.16 ATOM 47 CA ALA C 9 -2.106 -39.537 60.685 1.00 97.13 ATOM 48 C ALA C 9 -2.057 -40.913 60.030 1.00 97.31 ATOM 49 O ALA C 9 -1.032 -41.302 59.459 1.00 97.52 ATOM 50 CB ALA C 9 -2.062 -39.659 62.208 1.00 96.78 ATOM 51 N VAL C 10 -3.159 -41.666 60.103 1.00 91.45 ATOM 52 CA VAL C 10 -3.202 -42.985 59.482 1.00 91.61 ATOM 53 C VAL C 10 -3.134 -42.887 57.965 1.00 91.99 ATOM 54 O VAL C 10 -2.765 -43.860 57.298 1.00 92.20 ATOM 55 CB VAL C 10 -4.465 -43.753 59.924 1.00 91.44 ATOM 56 CG1 VAL C 10 -5.709 -43.195 59.238 1.00 91.54 ATOM 57 CG2 VAL C 10 -4.315 -45.247 59.655 1.00 91.53 ATOM 58 N LEU C 11 -3.469 -41.729 57.399 1.00 81.78 ATOM 59 CA LEU C 11 -3.398 -41.549 55.955 1.00 82.15 ATOM 60 C LEU C 11 -2.018 -41.083 55.501 1.00 82.34 ATOM 61 O LEU C 11 -1.542 -41.510 54.444 1.00 82.65 ATOM 62 CB LEU C 11 -4.475 -40.562 55.495 1.00 82.20 ATOM 63 CG LEU C 11 -5.930 -40.997 55.692 1.00 82.08 ATOM 64 CD1 LEU C 11 -6.862 -39.984 55.060 1.00 82.20 ATOM 65 CD2 LEU C 11 -6.184 -42.389 55.126 1.00 82.23 ATOM 66 N VAL C 12 -1.362 -40.218 56.278 1.00 82.17 ATOM 67 CA VAL C 12 0.006 -39.823 55.953 1.00 82.33 ATOM 68 C VAL C 12 0.936 -41.028 56.024 1.00 82.39 ATOM 69 O VAL C 12 1.826 -41.199 55.180 1.00 82.67 ATOM 70 CB VAL C 12 0.474 -38.685 56.883 1.00 82.11 ATOM 71 CG1 VAL C 12 1.988 -38.564 56.867 1.00 82.21 ATOM 72 CG2 VAL C 12 -0.158 -37.367 56.467 1.00 82.16 ATOM 73 N VAL C 13 0.736 -41.888 57.025 1.00 82.14 ATOM 74 CA VAL C 13 1.532 -43.108 57.139 1.00 82.19 ATOM 75 C VAL C 13 1.323 -43.993 55.916 1.00 82.50 ATOM 76 O VAL C 13 2.283 -44.474 55.301 1.00 82.74 ATOM 77 CB VAL C 13 1.186 -43.852 58.441 1.00 81.85 ATOM 78 CG1 VAL C 13 1.810 -45.237 58.443 1.00 81.92 ATOM 79 CG2 VAL C 13 1.653 -43.052 59.647 1.00 81.57 ATOM 80 N ALA C 14 0.063 -44.219 55.541 1.00 82.51 ATOM 81 CA ALA C 14 -0.211 -45.016 54.351 1.00 82.82 ATOM 82 C ALA C 14 0.200 -44.285 53.081 1.00 83.17 ATOM 83 O ALA C 14 0.589 -44.927 52.100 1.00 83.47 ATOM 84 CB ALA C 14 -1.691 -45.391 54.293 1.00 82.74 ATOM 85 N GLY C 15 0.123 -42.954 53.077 1.00 83.14 ATOM 86 CA GLY C 15 0.544 -42.206 51.903 1.00 83.47 ATOM 87 C GLY C 15 2.035 -42.327 51.652 1.00 83.64 ATOM 88 O GLY C 15 2.471 -42.562 50.521 1.00 83.98 ATOM 89 N LEU C 16 2.837 -42.168 52.708 1.00 83.41 ATOM 90 CA LEU C 16 4.274 -42.367 52.577 1.00 83.56 ATOM 91 C LEU C 16 4.603 -43.816 52.247 1.00 83.71 ATOM 92 O LEU C 16 5.607 -44.088 51.579 1.00 83.97 ATOM 93 CB LEU C 16 4.985 -41.940 53.861 1.00 83.26 ATOM 94 CG LEU C 16 4.956 -40.453 54.209 1.00 83.14 ATOM 95 CD1 LEU C 16 5.797 -40.195 55.450 1.00 82.88 ATOM 96 CD2 LEU C 16 5.448 -39.620 53.040 1.00 83.46 ATOM 97 N ALA C 17 3.772 -44.756 52.705 1.00 83.54 ATOM 98 CA ALA C 17 3.981 -46.157 52.362 1.00 83.69 ATOM 99 C ALA C 17 3.722 -46.406 50.882 1.00 84.07 ATOM 100 O ALA C 17 4.457 -47.163 50.237 1.00 84.33 ATOM 101 CB ALA C 17 3.088 -47.048 53.224 1.00 83.41 ATOM 102 N VAL C 18 2.685 -45.775 50.325 1.00 84.13 ATOM 103 CA VAL C 18 2.399 -45.930 48.902 1.00 84.51 ATOM 104 C VAL C 18 3.480 -45.259 48.064 1.00 84.81 ATOM 105 O VAL C 18 3.888 -45.780 47.019 1.00 85.15 ATOM 106 CB VAL C 18 0.997 -45.381 48.577 1.00 84.48 ATOM 107 CG1 VAL C 18 0.759 -45.358 47.069 1.00 84.89 ATOM 108 CG2 VAL C 18 -0.071 -46.218 49.268 1.00 84.23 ATOM 109 N LEU C 19 3.966 -44.097 48.509 1.00 84.68 ATOM 110 CA LEU C 19 5.055 -43.433 47.800 1.00 84.95 ATOM 111 C LEU C 19 6.310 -44.298 47.785 1.00 85.08 ATOM 112 O LEU C 19 7.008 -44.373 46.767 1.00 85.43 ATOM 113 CB LEU C 19 5.345 -42.074 48.438 1.00 84.75 ATOM 114 CG LEU C 19 6.452 -41.227 47.807 1.00 84.99 ATOM 115 CD1 LEU C 19 6.113 -40.893 46.367 1.00 85.36 ATOM 116 CD2 LEU C 19 6.676 -39.959 48.611 1.00 84.75 ATOM 117 N LEU C 20 6.608 -44.966 48.903 1.00 86.73 ATOM 118 CA LEU C 20 7.775 -45.841 48.952 1.00 86.85 ATOM 119 C LEU C 20 7.593 -47.061 48.057 1.00 87.12 ATOM 120 O LEU C 20 8.548 -47.508 47.413 1.00 87.41 ATOM 121 CB LEU C 20 8.056 -46.267 50.392 1.00 86.49 ATOM 122 CG LEU C 20 8.727 -45.214 51.277 1.00 86.28 ATOM 123 CD1 LEU C 20 8.974 -45.763 52.672 1.00 85.95 ATOM 124 CD2 LEU C 20 10.029 -44.737 50.652 1.00 86.55 ATOM 125 N GLN C 21 6.379 -47.615 48.003 1.00 94.65 ATOM 126 CA GLN C 21 6.123 -48.729 47.095 1.00 94.92 ATOM 127 C GLN C 21 6.219 -48.283 45.642 1.00 95.34 ATOM 128 O GLN C 21 6.653 -49.052 44.776 1.00 95.65 ATOM 129 CB GLN C 21 4.751 -49.337 47.377 1.00 94.74 ATOM 130 CG GLN C 21 4.614 -49.975 48.750 1.00 94.36 ATOM 131 CD GLN C 21 3.196 -50.436 49.033 1.00 94.18 ATOM 132 OE1 GLN C 21 2.338 -50.425 48.147 1.00 94.36 ATOM 133 NE2 GLN C 21 2.940 -50.840 50.274 1.00 93.82 ATOM 134 N LEU C 22 5.815 -47.044 45.357 1.00 90.27 ATOM 135 CA LEU C 22 5.958 -46.506 44.009 1.00 94.06 ATOM 136 C LEU C 22 7.431 -46.361 43.641 1.00 91.90 ATOM 137 O LEU C 22 7.855 -46.758 42.550 1.00 89.47 ATOM 138 CB LEU C 22 5.225 -45.165 43.908 1.00 88.79 ATOM 139 CG LEU C 22 4.863 -44.561 42.544 1.00 98.06 ATOM 140 CD1 LEU C 22 6.073 -43.958 41.829 1.00 99.37 ATOM 141 CD2 LEU C 22 4.166 -45.590 41.664 1.00 90.50 ATOM 142 N ILE C 23 8.227 -45.787 44.546 1.00 88.55 ATOM 143 CA ILE C 23 9.644 -45.573 44.267 1.00 88.75 ATOM 144 C ILE C 23 10.385 -46.902 44.190 1.00 88.90 ATOM 145 O ILE C 23 11.167 -47.141 43.264 1.00 89.26 ATOM 146 CB ILE C 23 10.267 -44.647 45.327 1.00 88.47 ATOM 147 CG1 ILE C 23 9.659 -43.247 45.240 1.00 88.38 ATOM 148 CG2 ILE C 23 11.773 -44.579 45.156 1.00 88.66 ATOM 149 CD1 ILE C 23 10.157 -42.295 46.311 1.00 88.09 ATOM 150 N ARG C 24 10.136 -47.795 45.149 1.00 98.21 ATOM 151 CA ARG C 24 10.817 -49.086 45.154 1.00 94.61 ATOM 152 C ARG C 24 10.405 -49.943 43.963 1.00 92.31 ATOM 153 O ARG C 24 11.183 -50.795 43.517 1.00 90.78 ATOM 154 CB ARG C 24 10.544 -49.784 46.485 1.00 95.31 ATOM 155 CG ARG C 24 11.317 -51.055 46.756 1.00106.74 ATOM 156 CD ARG C 24 11.270 -51.347 48.252 1.00109.70 ATOM 157 NE ARG C 24 10.063 -52.055 48.668 1.00106.14 ATOM 158 CZ ARG C 24 9.894 -52.586 49.875 1.00111.17 ATOM 159 NH1 ARG C 24 10.856 -52.486 50.783 1.00111.05 ATOM 160 NH2 ARG C 24 8.766 -53.216 50.177 1.00106.21 ATOM 161 N GLY C 25 9.197 -49.736 43.437 1.00105.82 ATOM 162 CA GLY C 25 8.823 -50.395 42.197 1.00101.84 ATOM 163 C GLY C 25 9.557 -49.817 41.001 1.00100.23 ATOM 164 O GLY C 25 9.956 -50.548 40.091 1.00100.92 ATOM 165 N TRP C 26 9.756 -48.495 40.994 1.00108.28 ATOM 166 CA TRP C 26 10.534 -47.849 39.939 1.00100.00 ATOM 167 C TRP C 26 11.978 -48.336 39.921 1.00102.36 ATOM 168 O TRP C 26 12.546 -48.563 38.846 1.00100.56 ATOM 169 CB TRP C 26 10.477 -46.332 40.105 1.00 91.19 ATOM 170 CG TRP C 26 11.326 -45.586 39.124 1.00 90.77 ATOM 171 CD1 TRP C 26 11.347 -45.738 37.768 1.00100.00 ATOM 172 CD2 TRP C 26 12.274 -44.558 39.429 1.00 94.06 ATOM 173 NE1 TRP C 26 12.258 -44.872 37.210 1.00 97.03 ATOM 174 CE2 TRP C 26 12.839 -44.135 38.210 1.00 90.22 ATOM 175 CE3 TRP C 26 12.700 -43.956 40.616 1.00 95.39 ATOM 176 CZ2 TRP C 26 13.809 -43.138 38.145 1.00 91.67 ATOM 177 CZ3 TRP C 26 13.661 -42.969 40.550 1.00 97.21 ATOM 178 CH2 TRP C 26 14.206 -42.568 39.324 1.00 99.86 ATOM 179 N LEU C 27 12.595 -48.494 41.097 1.00104.02 ATOM 180 CA LEU C 27 13.969 -48.989 41.150 1.00 97.46 ATOM 181 C LEU C 27 14.076 -50.423 40.647 1.00101.36 ATOM 182 O LEU C 27 15.157 -50.843 40.221 1.00110.69 ATOM 183 CB LEU C 27 14.547 -48.881 42.568 1.00 95.49 ATOM 184 CG LEU C 27 14.934 -47.542 43.225 1.00 93.84 ATOM 185 CD1 LEU C 27 14.068 -46.355 42.828 1.00100.67 ATOM 186 CD2 LEU C 27 14.982 -47.685 44.746 1.00 94.81 ATOM 187 N SER C 28 12.988 -51.184 40.691 1.00 96.70 ATOM 188 CA SER C 28 12.992 -52.544 40.177 1.00100.77 ATOM 189 C SER C 28 12.717 -52.592 38.680 1.00110.15 ATOM 190 O SER C 28 12.909 -53.644 38.060 1.00115.40 ATOM 191 CB SER C 28 11.963 -53.401 40.919 1.00107.44 ATOM 192 OG SER C 28 12.027 -54.751 40.493 1.00119.40 ATOM 193 N SER C 29 12.285 -51.473 38.091 1.00114.62 ATOM 194 CA SER C 29 11.927 -51.386 36.679 1.00109.50 ATOM 195 C SER C 29 12.748 -50.339 35.936 1.00111.23 ATOM 196 O SER C 29 12.375 -49.936 34.831 1.00114.80 ATOM 197 CB SER C 29 10.436 -51.085 36.522 1.00114.08 ATOM 198 OG SER C 29 10.109 -50.846 35.163 1.00127.46 ATOM 199 N LYS C 30 13.862 -49.893 36.515 1.00109.60 ATOM 200 CA LYS C 30 14.661 -48.825 35.926 1.00108.30 ATOM 201 C LYS C 30 15.732 -49.344 34.979 1.00112.42 ATOM 202 O LYS C 30 16.179 -48.594 34.103 1.00115.15 ATOM 203 CB LYS C 30 15.320 -47.997 37.041 1.00103.97 ATOM 204 CG LYS C 30 16.265 -46.882 36.581 1.00114.66 ATOM 205 CD LYS C 30 15.540 -45.790 35.802 1.00107.83 ATOM 206 CE LYS C 30 16.518 -44.753 35.254 1.00113.24 ATOM 207 NZ LYS C 30 17.335 -44.120 36.329 1.00112.79 TER