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 T 1 221 UNP Q6DCU6 SGMR1_XENLA 1 221 SEQRES 1 T 26 LEU GLY LEU ARG ALA VAL LEU VAL VAL ALA GLY LEU ALA SEQRES 2 T 26 VAL LEU LEU GLN LEU ILE ARG GLY TRP LEU SER SER LYS ATOM 1 N LEU T 5 42.578-109.426 43.484 1.00 99.92 ATOM 2 CA LEU T 5 41.673-110.268 42.712 1.00100.95 ATOM 3 C LEU T 5 41.253-109.574 41.420 1.00101.20 ATOM 4 O LEU T 5 41.805-108.537 41.055 1.00100.59 ATOM 5 CB LEU T 5 40.445-110.640 43.550 1.00101.33 ATOM 6 CG LEU T 5 39.708-109.497 44.250 1.00100.80 ATOM 7 CD1 LEU T 5 38.502-109.051 43.441 1.00101.32 ATOM 8 CD2 LEU T 5 39.297-109.903 45.656 1.00100.71 ATOM 9 N GLY T 6 40.274-110.155 40.730 1.00115.40 ATOM 10 CA GLY T 6 39.784-109.632 39.476 1.00115.77 ATOM 11 C GLY T 6 40.443-110.223 38.245 1.00116.26 ATOM 12 O GLY T 6 39.819-110.267 37.179 1.00116.92 ATOM 13 N LEU T 7 41.692-110.675 38.363 1.00106.69 ATOM 14 CA LEU T 7 42.371-111.314 37.244 1.00107.18 ATOM 15 C LEU T 7 41.899-112.742 37.009 1.00108.17 ATOM 16 O LEU T 7 42.320-113.362 36.027 1.00108.71 ATOM 17 CB LEU T 7 43.884-111.299 37.469 1.00106.53 ATOM 18 CG LEU T 7 44.507-109.918 37.686 1.00105.52 ATOM 19 CD1 LEU T 7 46.024-110.007 37.669 1.00105.03 ATOM 20 CD2 LEU T 7 44.011-108.925 36.645 1.00105.58 ATOM 21 N ARG T 8 41.042-113.265 37.886 1.00 92.97 ATOM 22 CA ARG T 8 40.465-114.597 37.755 1.00 93.92 ATOM 23 C ARG T 8 41.527-115.675 37.593 1.00 94.14 ATOM 24 O ARG T 8 41.758-116.172 36.486 1.00 94.72 ATOM 25 CB ARG T 8 39.479-114.649 36.585 1.00 94.75 ATOM 26 CG ARG T 8 38.145-113.981 36.877 1.00 94.82 ATOM 27 CD ARG T 8 37.068-114.448 35.912 1.00 95.84 ATOM 28 NE ARG T 8 36.902-115.900 35.938 1.00 96.63 ATOM 29 CZ ARG T 8 36.147-116.552 36.817 1.00 96.94 ATOM 30 NH1 ARG T 8 36.054-117.874 36.764 1.00 97.67 ATOM 31 NH2 ARG T 8 35.486-115.883 37.752 1.00 96.53 ATOM 32 N ALA T 9 42.186-116.032 38.691 1.00 90.00 ATOM 33 CA ALA T 9 42.899-117.297 38.755 1.00 90.38 ATOM 34 C ALA T 9 41.959-118.460 39.025 1.00 91.23 ATOM 35 O ALA T 9 42.427-119.590 39.199 1.00 91.60 ATOM 36 CB ALA T 9 43.985-117.243 39.830 1.00 89.58 ATOM 37 N VAL T 10 40.649-118.201 39.069 1.00 97.41 ATOM 38 CA VAL T 10 39.674-119.263 39.295 1.00 98.25 ATOM 39 C VAL T 10 39.719-120.274 38.158 1.00 99.16 ATOM 40 O VAL T 10 39.631-121.485 38.384 1.00 99.75 ATOM 41 CB VAL T 10 38.266-118.665 39.468 1.00 98.41 ATOM 42 CG1 VAL T 10 37.461-119.480 40.461 1.00 98.80 ATOM 43 CG2 VAL T 10 38.355-117.213 39.910 1.00 97.47 ATOM 44 N LEU T 11 39.867-119.798 36.917 1.00104.16 ATOM 45 CA LEU T 11 40.068-120.714 35.798 1.00104.98 ATOM 46 C LEU T 11 41.313-121.570 35.986 1.00104.90 ATOM 47 O LEU T 11 41.431-122.630 35.360 1.00105.65 ATOM 48 CB LEU T 11 40.155-119.939 34.481 1.00105.03 ATOM 49 CG LEU T 11 38.880-119.224 34.028 1.00105.31 ATOM 50 CD1 LEU T 11 39.120-118.485 32.724 1.00105.35 ATOM 51 CD2 LEU T 11 37.734-120.211 33.884 1.00106.31 ATOM 52 N VAL T 12 42.244-121.128 36.828 1.00 94.93 ATOM 53 CA VAL T 12 43.333-121.988 37.263 1.00 94.85 ATOM 54 C VAL T 12 42.988-122.687 38.577 1.00 94.87 ATOM 55 O VAL T 12 43.480-123.789 38.836 1.00 95.20 ATOM 56 CB VAL T 12 44.632-121.175 37.395 1.00 93.92 ATOM 57 CG1 VAL T 12 45.837-122.097 37.493 1.00 93.97 ATOM 58 CG2 VAL T 12 44.778-120.209 36.230 1.00 93.79 ATOM 59 N VAL T 13 42.142-122.073 39.408 1.00 98.41 ATOM 60 CA VAL T 13 41.795-122.620 40.718 1.00 98.37 ATOM 61 C VAL T 13 40.559-123.502 40.607 1.00 99.33 ATOM 62 O VAL T 13 40.602-124.690 40.943 1.00 99.83 ATOM 63 CB VAL T 13 41.576-121.502 41.755 1.00 97.51 ATOM 64 CG1 VAL T 13 40.880-122.055 42.989 1.00 97.64 ATOM 65 CG2 VAL T 13 42.903-120.870 42.140 1.00 96.57 ATOM 66 N ALA T 14 39.442-122.928 40.156 1.00 94.22 ATOM 67 CA ALA T 14 38.265-123.749 39.909 1.00 95.17 ATOM 68 C ALA T 14 38.457-124.676 38.719 1.00 96.00 ATOM 69 O ALA T 14 37.768-125.696 38.633 1.00 96.83 ATOM 70 CB ALA T 14 37.033-122.874 39.690 1.00 95.26 ATOM 71 N GLY T 15 39.366-124.345 37.798 1.00106.52 ATOM 72 CA GLY T 15 39.675-125.270 36.720 1.00107.29 ATOM 73 C GLY T 15 40.264-126.566 37.239 1.00107.58 ATOM 74 O GLY T 15 39.976-127.647 36.719 1.00108.44 ATOM 75 N LEU T 16 41.094-126.473 38.278 1.00108.13 ATOM 76 CA LEU T 16 41.550-127.661 38.984 1.00108.37 ATOM 77 C LEU T 16 40.509-128.158 39.980 1.00108.66 ATOM 78 O LEU T 16 40.468-129.356 40.276 1.00109.22 ATOM 79 CB LEU T 16 42.871-127.372 39.694 1.00107.51 ATOM 80 CG LEU T 16 44.053-127.020 38.791 1.00107.23 ATOM 81 CD1 LEU T 16 45.234-126.589 39.638 1.00106.31 ATOM 82 CD2 LEU T 16 44.428-128.196 37.899 1.00108.06 ATOM 83 N ALA T 17 39.658-127.263 40.496 1.00 97.51 ATOM 84 CA ALA T 17 38.610-127.691 41.418 1.00 97.82 ATOM 85 C ALA T 17 37.507-128.446 40.689 1.00 98.87 ATOM 86 O ALA T 17 37.020-129.469 41.181 1.00 99.44 ATOM 87 CB ALA T 17 38.035-126.489 42.165 1.00 97.14 ATOM 88 N VAL T 18 37.097-127.955 39.517 1.00 99.37 ATOM 89 CA VAL T 18 36.136-128.693 38.705 1.00100.40 ATOM 90 C VAL T 18 36.742-130.008 38.230 1.00101.04 ATOM 91 O VAL T 18 36.065-131.044 38.196 1.00101.86 ATOM 92 CB VAL T 18 35.652-127.825 37.529 1.00100.54 ATOM 93 CG1 VAL T 18 34.851-128.657 36.539 1.00101.64 ATOM 94 CG2 VAL T 18 34.816-126.662 38.045 1.00100.07 ATOM 95 N LEU T 19 38.027-129.994 37.864 1.00101.91 ATOM 96 CA LEU T 19 38.707-131.240 37.525 1.00102.45 ATOM 97 C LEU T 19 38.722-132.192 38.714 1.00102.55 ATOM 98 O LEU T 19 38.571-133.408 38.546 1.00103.32 ATOM 99 CB LEU T 19 40.131-130.955 37.050 1.00101.96 ATOM 100 CG LEU T 19 40.980-132.188 36.725 1.00102.45 ATOM 101 CD1 LEU T 19 40.410-132.941 35.531 1.00103.48 ATOM 102 CD2 LEU T 19 42.433-131.804 36.487 1.00101.83 ATOM 103 N LEU T 20 38.901-131.656 39.924 1.00108.20 ATOM 104 CA LEU T 20 38.812-132.489 41.119 1.00108.28 ATOM 105 C LEU T 20 37.403-133.037 41.295 1.00109.04 ATOM 106 O LEU T 20 37.216-134.229 41.563 1.00109.67 ATOM 107 CB LEU T 20 39.237-131.692 42.359 1.00107.30 ATOM 108 CG LEU T 20 40.737-131.532 42.634 1.00106.59 ATOM 109 CD1 LEU T 20 40.995-130.871 43.991 1.00105.71 ATOM 110 CD2 LEU T 20 41.443-132.874 42.545 1.00107.11 ATOM 111 N GLN T 21 36.393-132.175 41.145 1.00106.03 ATOM 112 CA GLN T 21 35.011-132.625 41.281 1.00106.75 ATOM 113 C GLN T 21 34.672-133.685 40.240 1.00107.80 ATOM 114 O GLN T 21 33.920-134.625 40.523 1.00108.50 ATOM 115 CB GLN T 21 34.062-131.432 41.171 1.00106.51 ATOM 116 CG GLN T 21 34.231-130.407 42.283 1.00105.54 ATOM 117 CD GLN T 21 33.374-129.177 42.074 1.00105.29 ATOM 118 OE1 GLN T 21 32.453-129.182 41.258 1.00105.93 ATOM 119 NE2 GLN T 21 33.677-128.110 42.808 1.00104.37 ATOM 120 N LEU T 22 35.227-133.557 39.034 1.00110.27 ATOM 121 CA LEU T 22 35.020-134.579 38.014 1.00114.64 ATOM 122 C LEU T 22 35.745-135.868 38.381 1.00112.55 ATOM 123 O LEU T 22 35.161-136.956 38.329 1.00106.18 ATOM 124 CB LEU T 22 35.484-134.056 36.651 1.00107.52 ATOM 125 CG LEU T 22 35.054-134.746 35.348 1.00119.37 ATOM 126 CD1 LEU T 22 35.810-136.048 35.092 1.00120.91 ATOM 127 CD2 LEU T 22 33.556-134.992 35.341 1.00112.28 ATOM 128 N ILE T 23 37.020-135.764 38.763 1.00111.28 ATOM 129 CA ILE T 23 37.797-136.957 39.090 1.00112.58 ATOM 130 C ILE T 23 37.277-137.601 40.370 1.00113.35 ATOM 131 O ILE T 23 37.099-138.822 40.439 1.00113.34 ATOM 132 CB ILE T 23 39.295-136.615 39.184 1.00 99.13 ATOM 133 CG1 ILE T 23 39.825-136.192 37.812 1.00102.56 ATOM 134 CG2 ILE T 23 40.087-137.805 39.705 1.00102.45 ATOM 135 CD1 ILE T 23 41.272-135.752 37.819 1.00104.44 ATOM 136 N ARG T 24 37.037-136.795 41.409 1.00117.37 ATOM 137 CA ARG T 24 36.486-137.357 42.638 1.00113.77 ATOM 138 C ARG T 24 35.054-137.833 42.433 1.00111.97 ATOM 139 O ARG T 24 34.599-138.744 43.133 1.00110.65 ATOM 140 CB ARG T 24 36.560-136.343 43.785 1.00113.91 ATOM 141 CG ARG T 24 36.200-136.933 45.151 1.00125.32 ATOM 142 CD ARG T 24 36.638-136.045 46.310 1.00127.71 ATOM 143 NE ARG T 24 35.648-135.025 46.646 1.00124.06 ATOM 144 CZ ARG T 24 35.693-134.274 47.742 1.00128.69 ATOM 145 NH1 ARG T 24 36.682-134.426 48.613 1.00128.19 ATOM 146 NH2 ARG T 24 34.748-133.373 47.973 1.00123.70 ATOM 147 N GLY T 25 34.334-137.247 41.474 1.00110.39 ATOM 148 CA GLY T 25 33.002-137.741 41.167 1.00111.27 ATOM 149 C GLY T 25 33.034-139.110 40.516 1.00112.21 ATOM 150 O GLY T 25 32.194-139.966 40.807 1.00112.91 ATOM 151 N TRP T 26 34.004-139.338 39.629 1.00125.60 ATOM 152 CA TRP T 26 34.202-140.675 39.080 1.00117.79 ATOM 153 C TRP T 26 34.603-141.658 40.171 1.00120.02 ATOM 154 O TRP T 26 34.087-142.779 40.228 1.00118.61 ATOM 155 CB TRP T 26 35.264-140.640 37.981 1.00109.05 ATOM 156 CG TRP T 26 35.593-141.990 37.413 1.00109.10 ATOM 157 CD1 TRP T 26 34.715-142.914 36.929 1.00118.89 ATOM 158 CD2 TRP T 26 36.897-142.572 37.290 1.00112.34 ATOM 159 NE1 TRP T 26 35.392-144.032 36.503 1.00116.22 ATOM 160 CE2 TRP T 26 36.733-143.847 36.715 1.00109.05 ATOM 161 CE3 TRP T 26 38.188-142.136 37.608 1.00113.22 ATOM 162 CZ2 TRP T 26 37.811-144.691 36.451 1.00110.62 ATOM 163 CZ3 TRP T 26 39.256-142.974 37.346 1.00115.16 ATOM 164 CH2 TRP T 26 39.061-144.237 36.772 1.00118.37 ATOM 165 N LEU T 27 35.515-141.246 41.056 1.00116.32 ATOM 166 CA LEU T 27 35.963-142.125 42.131 1.00109.59 ATOM 167 C LEU T 27 34.857-142.393 43.148 1.00113.50 ATOM 168 O LEU T 27 34.871-143.435 43.814 1.00122.92 ATOM 169 CB LEU T 27 37.189-141.519 42.816 1.00107.00 ATOM 170 CG LEU T 27 38.461-141.427 41.966 1.00105.34 ATOM 171 CD1 LEU T 27 39.617-140.872 42.785 1.00111.23 ATOM 172 CD2 LEU T 27 38.823-142.778 41.370 1.00107.56 ATOM 173 N SER T 28 33.894-141.481 43.276 1.00103.34 ATOM 174 CA SER T 28 32.790-141.646 44.213 1.00107.41 ATOM 175 C SER T 28 31.626-142.432 43.626 1.00117.41 ATOM 176 O SER T 28 30.735-142.843 44.377 1.00122.74 ATOM 177 CB SER T 28 32.286-140.279 44.695 1.00113.67 ATOM 178 OG SER T 28 33.341-139.489 45.214 1.00124.43 ATOM 179 N SER T 29 31.608-142.641 42.310 1.00122.69 ATOM 180 CA SER T 29 30.517-143.334 41.637 1.00117.91 ATOM 181 C SER T 29 30.988-144.551 40.850 1.00120.47 ATOM 182 O SER T 29 30.229-145.074 40.024 1.00124.47 ATOM 183 CB SER T 29 29.771-142.363 40.715 1.00122.45 ATOM 184 OG SER T 29 30.649-141.789 39.762 1.00135.23 ATOM 185 N LYS T 30 32.219-145.008 41.073 1.00122.71 ATOM 186 CA LYS T 30 32.802-146.110 40.310 1.00122.17 ATOM 187 C LYS T 30 32.598-147.432 41.038 1.00126.27 ATOM 188 O LYS T 30 33.229-147.678 42.071 1.00128.69 ATOM 189 CB LYS T 30 34.289-145.878 40.062 1.00118.04 ATOM 190 CG LYS T 30 34.952-147.047 39.354 1.00129.52 ATOM 191 CD LYS T 30 36.445-146.839 39.191 1.00122.03 ATOM 192 CE LYS T 30 37.063-148.032 38.477 1.00128.20 ATOM 193 NZ LYS T 30 36.807-149.309 39.215 1.00128.57 TER