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 Q 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 Q 25 GLY LEU ARG ALA VAL LEU VAL VAL ALA GLY LEU ALA VAL SEQRES 2 Q 25 LEU LEU GLN LEU ILE ARG GLY TRP LEU SER SER LYS ATOM 1 N GLY Q 6 24.314-117.601 -40.058 1.00 83.35 ATOM 2 CA GLY Q 6 23.931-116.553 -40.987 1.00 84.52 ATOM 3 C GLY Q 6 24.981-115.471 -41.149 1.00 86.36 ATOM 4 O GLY Q 6 24.950-114.452 -40.457 1.00 87.60 ATOM 5 N LEU Q 7 25.919-115.697 -42.074 1.00 80.94 ATOM 6 CA LEU Q 7 26.975-114.723 -42.332 1.00 82.66 ATOM 7 C LEU Q 7 26.462-113.510 -43.097 1.00 84.47 ATOM 8 O LEU Q 7 27.120-112.464 -43.090 1.00 86.13 ATOM 9 CB LEU Q 7 28.124-115.389 -43.095 1.00 82.22 ATOM 10 CG LEU Q 7 29.457-114.639 -43.181 1.00 83.64 ATOM 11 CD1 LEU Q 7 30.620-115.559 -42.838 1.00 82.54 ATOM 12 CD2 LEU Q 7 29.643-114.042 -44.561 1.00 84.94 ATOM 13 N ARG Q 8 25.305-113.625 -43.753 1.00 87.29 ATOM 14 CA ARG Q 8 24.715-112.470 -44.419 1.00 88.98 ATOM 15 C ARG Q 8 24.358-111.382 -43.414 1.00 90.16 ATOM 16 O ARG Q 8 24.679-110.205 -43.615 1.00 91.98 ATOM 17 CB ARG Q 8 23.477-112.891 -45.211 1.00 88.31 ATOM 18 CG ARG Q 8 22.616-111.718 -45.653 1.00 89.90 ATOM 19 CD ARG Q 8 21.392-112.171 -46.425 1.00 89.19 ATOM 20 NE ARG Q 8 20.521-111.046 -46.756 1.00 90.68 ATOM 21 CZ ARG Q 8 19.418-111.141 -47.492 1.00 90.51 ATOM 22 NH1 ARG Q 8 19.043-112.314 -47.984 1.00 88.89 ATOM 23 NH2 ARG Q 8 18.690-110.060 -47.740 1.00 91.95 ATOM 24 N ALA Q 9 23.696-111.760 -42.320 1.00 84.31 ATOM 25 CA ALA Q 9 23.290-110.770 -41.327 1.00 85.33 ATOM 26 C ALA Q 9 24.496-110.156 -40.629 1.00 86.31 ATOM 27 O ALA Q 9 24.492-108.961 -40.311 1.00 87.93 ATOM 28 CB ALA Q 9 22.341-111.405 -40.311 1.00 83.91 ATOM 29 N VAL Q 10 25.538-110.954 -40.382 1.00 82.91 ATOM 30 CA VAL Q 10 26.751-110.412 -39.776 1.00 83.82 ATOM 31 C VAL Q 10 27.439-109.446 -40.733 1.00 85.65 ATOM 32 O VAL Q 10 28.058-108.466 -40.299 1.00 87.09 ATOM 33 CB VAL Q 10 27.692-111.553 -39.343 1.00 82.31 ATOM 34 CG1 VAL Q 10 28.871-111.003 -38.551 1.00 83.17 ATOM 35 CG2 VAL Q 10 26.935-112.590 -38.524 1.00 80.41 ATOM 36 N LEU Q 11 27.342-109.695 -42.043 1.00 92.53 ATOM 37 CA LEU Q 11 27.883-108.749 -43.014 1.00 94.30 ATOM 38 C LEU Q 11 27.062-107.464 -43.048 1.00 95.95 ATOM 39 O LEU Q 11 27.613-106.375 -43.248 1.00 97.72 ATOM 40 CB LEU Q 11 27.941-109.387 -44.404 1.00 93.80 ATOM 41 CG LEU Q 11 29.098-110.339 -44.720 1.00 92.82 ATOM 42 CD1 LEU Q 11 28.998-110.843 -46.152 1.00 92.49 ATOM 43 CD2 LEU Q 11 30.438-109.659 -44.486 1.00 94.08 ATOM 44 N VAL Q 12 25.745-107.570 -42.860 1.00 92.19 ATOM 45 CA VAL Q 12 24.913-106.372 -42.797 1.00 93.68 ATOM 46 C VAL Q 12 25.244-105.562 -41.549 1.00 94.57 ATOM 47 O VAL Q 12 25.294-104.327 -41.588 1.00 96.38 ATOM 48 CB VAL Q 12 23.422-106.750 -42.853 1.00 92.78 ATOM 49 CG1 VAL Q 12 22.551-105.520 -42.659 1.00 94.28 ATOM 50 CG2 VAL Q 12 23.100-107.423 -44.176 1.00 92.12 ATOM 51 N VAL Q 13 25.484-106.243 -40.425 1.00 98.31 ATOM 52 CA VAL Q 13 25.896-105.553 -39.204 1.00 99.06 ATOM 53 C VAL Q 13 27.256-104.895 -39.403 1.00100.42 ATOM 54 O VAL Q 13 27.446-103.711 -39.098 1.00102.09 ATOM 55 CB VAL Q 13 25.913-106.528 -38.013 1.00 97.33 ATOM 56 CG1 VAL Q 13 26.593-105.891 -36.815 1.00 98.08 ATOM 57 CG2 VAL Q 13 24.503-106.956 -37.657 1.00 96.25 ATOM 58 N ALA Q 14 28.223-105.657 -39.922 1.00 98.81 ATOM 59 CA ALA Q 14 29.545-105.101 -40.187 1.00100.04 ATOM 60 C ALA Q 14 29.493-104.007 -41.246 1.00101.91 ATOM 61 O ALA Q 14 30.282-103.056 -41.192 1.00103.48 ATOM 62 CB ALA Q 14 30.504-106.211 -40.615 1.00 98.81 ATOM 63 N GLY Q 15 28.575-104.120 -42.209 1.00103.76 ATOM 64 CA GLY Q 15 28.441-103.079 -43.217 1.00105.53 ATOM 65 C GLY Q 15 27.884-101.788 -42.649 1.00107.09 ATOM 66 O GLY Q 15 28.263-100.694 -43.080 1.00108.91 ATOM 67 N LEU Q 16 26.971-101.893 -41.680 1.00102.16 ATOM 68 CA LEU Q 16 26.488-100.699 -40.996 1.00103.58 ATOM 69 C LEU Q 16 27.544-100.130 -40.056 1.00104.41 ATOM 70 O LEU Q 16 27.608 -98.910 -39.867 1.00106.15 ATOM 71 CB LEU Q 16 25.204-101.014 -40.230 1.00102.57 ATOM 72 CG LEU Q 16 24.000-101.411 -41.085 1.00101.93 ATOM 73 CD1 LEU Q 16 22.795-101.708 -40.208 1.00100.94 ATOM 74 CD2 LEU Q 16 23.682-100.320 -42.093 1.00103.72 ATOM 75 N ALA Q 17 28.379-100.991 -39.467 1.00 93.05 ATOM 76 CA ALA Q 17 29.456-100.510 -38.607 1.00 93.79 ATOM 77 C ALA Q 17 30.504 -99.750 -39.409 1.00 95.41 ATOM 78 O ALA Q 17 31.006 -98.714 -38.960 1.00 96.93 ATOM 79 CB ALA Q 17 30.095-101.678 -37.859 1.00 92.05 ATOM 80 N VAL Q 18 30.852-100.254 -40.595 1.00 98.67 ATOM 81 CA VAL Q 18 31.760 -99.525 -41.474 1.00100.23 ATOM 82 C VAL Q 18 31.100 -98.244 -41.972 1.00102.07 ATOM 83 O VAL Q 18 31.752 -97.199 -42.096 1.00103.81 ATOM 84 CB VAL Q 18 32.213-100.427 -42.637 1.00 99.37 ATOM 85 CG1 VAL Q 18 33.069 -99.648 -43.623 1.00101.03 ATOM 86 CG2 VAL Q 18 32.977-101.630 -42.105 1.00 97.67 ATOM 87 N LEU Q 19 29.796 -98.300 -42.258 1.00100.81 ATOM 88 CA LEU Q 19 29.065 -97.091 -42.627 1.00102.49 ATOM 89 C LEU Q 19 29.051 -96.090 -41.480 1.00103.63 ATOM 90 O LEU Q 19 29.084 -94.874 -41.705 1.00105.49 ATOM 91 CB LEU Q 19 27.639 -97.450 -43.052 1.00101.71 ATOM 92 CG LEU Q 19 26.648 -96.306 -43.279 1.00103.19 ATOM 93 CD1 LEU Q 19 25.799 -96.573 -44.510 1.00102.94 ATOM 94 CD2 LEU Q 19 25.763 -96.118 -42.058 1.00102.88 ATOM 95 N LEU Q 20 28.998 -96.582 -40.242 1.00 99.97 ATOM 96 CA LEU Q 20 29.097 -95.687 -39.097 1.00100.98 ATOM 97 C LEU Q 20 30.501 -95.108 -38.975 1.00102.18 ATOM 98 O LEU Q 20 30.661 -93.919 -38.682 1.00103.89 ATOM 99 CB LEU Q 20 28.693 -96.418 -37.817 1.00 99.44 ATOM 100 CG LEU Q 20 27.188 -96.643 -37.642 1.00 98.66 ATOM 101 CD1 LEU Q 20 26.867 -97.183 -36.254 1.00 97.39 ATOM 102 CD2 LEU Q 20 26.418 -95.359 -37.916 1.00100.41 ATOM 103 N GLN Q 21 31.530 -95.928 -39.207 1.00106.32 ATOM 104 CA GLN Q 21 32.896 -95.413 -39.191 1.00107.45 ATOM 105 C GLN Q 21 33.077 -94.299 -40.213 1.00109.43 ATOM 106 O GLN Q 21 33.770 -93.309 -39.950 1.00111.01 ATOM 107 CB GLN Q 21 33.894 -96.539 -39.456 1.00106.15 ATOM 108 CG GLN Q 21 34.079 -97.507 -38.305 1.00104.45 ATOM 109 CD GLN Q 21 35.210 -98.482 -38.559 1.00103.41 ATOM 110 OE1 GLN Q 21 35.850 -98.445 -39.610 1.00103.94 ATOM 111 NE2 GLN Q 21 35.465 -99.359 -37.595 1.00101.93 ATOM 112 N LEU Q 22 32.455 -94.439 -41.384 1.00 99.86 ATOM 113 CA LEU Q 22 32.576 -93.412 -42.412 1.00105.10 ATOM 114 C LEU Q 22 31.787 -92.164 -42.031 1.00104.23 ATOM 115 O LEU Q 22 32.312 -91.046 -42.088 1.00103.43 ATOM 116 CB LEU Q 22 32.105 -93.974 -43.758 1.00 99.53 ATOM 117 CG LEU Q 22 32.448 -93.292 -45.090 1.00109.75 ATOM 118 CD1 LEU Q 22 31.611 -92.041 -45.345 1.00112.47 ATOM 119 CD2 LEU Q 22 33.928 -92.964 -45.161 1.00102.87 ATOM 120 N ILE Q 23 30.525 -92.338 -41.630 1.00101.63 ATOM 121 CA ILE Q 23 29.682 -91.190 -41.303 1.00104.04 ATOM 122 C ILE Q 23 30.148 -90.518 -40.015 1.00105.44 ATOM 123 O ILE Q 23 30.268 -89.289 -39.948 1.00106.55 ATOM 124 CB ILE Q 23 28.204 -91.613 -41.229 1.00 91.80 ATOM 125 CG1 ILE Q 23 27.720 -92.056 -42.611 1.00 93.29 ATOM 126 CG2 ILE Q 23 27.343 -90.472 -40.714 1.00 94.70 ATOM 127 CD1 ILE Q 23 26.304 -92.571 -42.636 1.00 94.77 ATOM 128 N ARG Q 24 30.402 -91.306 -38.966 1.00111.01 ATOM 129 CA ARG Q 24 30.896 -90.706 -37.730 1.00107.96 ATOM 130 C ARG Q 24 32.311 -90.171 -37.904 1.00106.55 ATOM 131 O ARG Q 24 32.710 -89.240 -37.196 1.00106.07 ATOM 132 CB ARG Q 24 30.837 -91.705 -36.570 1.00107.22 ATOM 133 CG ARG Q 24 31.135 -91.080 -35.207 1.00119.22 ATOM 134 CD ARG Q 24 30.710 -91.973 -34.048 1.00120.84 ATOM 135 NE ARG Q 24 31.742 -92.939 -33.679 1.00116.25 ATOM 136 CZ ARG Q 24 31.708 -93.684 -32.578 1.00120.21 ATOM 137 NH1 ARG Q 24 30.691 -93.578 -31.733 1.00119.88 ATOM 138 NH2 ARG Q 24 32.694 -94.532 -32.318 1.00114.38 ATOM 139 N GLY Q 25 33.076 -90.730 -38.844 1.00109.34 ATOM 140 CA GLY Q 25 34.397 -90.191 -39.116 1.00106.26 ATOM 141 C GLY Q 25 34.339 -88.817 -39.755 1.00108.45 ATOM 142 O GLY Q 25 35.151 -87.943 -39.443 1.00109.90 ATOM 143 N TRP Q 26 33.378 -88.606 -40.656 1.00116.94 ATOM 144 CA TRP Q 26 33.157 -87.267 -41.191 1.00110.38 ATOM 145 C TRP Q 26 32.719 -86.306 -40.096 1.00113.56 ATOM 146 O TRP Q 26 33.221 -85.180 -40.010 1.00113.16 ATOM 147 CB TRP Q 26 32.111 -87.314 -42.305 1.00101.64 ATOM 148 CG TRP Q 26 31.748 -85.965 -42.847 1.00102.94 ATOM 149 CD1 TRP Q 26 32.602 -85.001 -43.295 1.00113.56 ATOM 150 CD2 TRP Q 26 30.426 -85.425 -42.982 1.00106.75 ATOM 151 NE1 TRP Q 26 31.894 -83.897 -43.707 1.00111.94 ATOM 152 CE2 TRP Q 26 30.556 -84.133 -43.525 1.00104.63 ATOM 153 CE3 TRP Q 26 29.147 -85.913 -42.699 1.00107.27 ATOM 154 CZ2 TRP Q 26 29.455 -83.321 -43.790 1.00107.00 ATOM 155 CZ3 TRP Q 26 28.056 -85.107 -42.963 1.00109.99 ATOM 156 CH2 TRP Q 26 28.216 -83.825 -43.503 1.00114.35 ATOM 157 N LEU Q 27 31.796 -86.744 -39.234 1.00111.57 ATOM 158 CA LEU Q 27 31.313 -85.884 -38.158 1.00105.69 ATOM 159 C LEU Q 27 32.392 -85.612 -37.115 1.00109.78 ATOM 160 O LEU Q 27 32.347 -84.580 -36.435 1.00120.16 ATOM 161 CB LEU Q 27 30.078 -86.510 -37.510 1.00102.62 ATOM 162 CG LEU Q 27 28.835 -86.592 -38.401 1.00100.98 ATOM 163 CD1 LEU Q 27 27.658 -87.166 -37.632 1.00106.44 ATOM 164 CD2 LEU Q 27 28.486 -85.229 -38.975 1.00104.48 ATOM 165 N SER Q 28 33.365 -86.512 -36.976 1.00106.52 ATOM 166 CA SER Q 28 34.448 -86.341 -36.017 1.00110.66 ATOM 167 C SER Q 28 35.620 -85.542 -36.576 1.00121.30 ATOM 168 O SER Q 28 36.491 -85.128 -35.803 1.00126.94 ATOM 169 CB SER Q 28 34.952 -87.705 -35.526 1.00115.61 ATOM 170 OG SER Q 28 33.891 -88.501 -35.025 1.00125.72 ATOM 171 N SER Q 29 35.668 -85.325 -37.892 1.00127.00 ATOM 172 CA SER Q 29 36.770 -84.618 -38.533 1.00121.66 ATOM 173 C SER Q 29 36.308 -83.401 -39.327 1.00124.13 ATOM 174 O SER Q 29 37.083 -82.866 -40.129 1.00127.64 ATOM 175 CB SER Q 29 37.554 -85.572 -39.442 1.00125.85 ATOM 176 OG SER Q 29 36.717 -86.148 -40.429 1.00138.81 ATOM 177 N LYS Q 30 35.070 -82.953 -39.129 1.00120.08 ATOM 178 CA LYS Q 30 34.494 -81.855 -39.902 1.00119.50 ATOM 179 C LYS Q 30 34.686 -80.531 -39.170 1.00123.51 ATOM 180 O LYS Q 30 34.032 -80.282 -38.153 1.00126.29 ATOM 181 CB LYS Q 30 33.011 -82.101 -40.165 1.00115.88 ATOM 182 CG LYS Q 30 32.332 -80.947 -40.877 1.00127.31 ATOM 183 CD LYS Q 30 30.843 -81.188 -41.054 1.00120.32 ATOM 184 CE LYS Q 30 30.207 -80.004 -41.764 1.00126.45 ATOM 185 NZ LYS Q 30 30.431 -78.730 -41.010 1.00126.69 TER