HEADER CONTRACTILE PROTEIN 31-DEC-69 7KO7 TITLE Structure of the native cardiac thin filament at pCa=5.8 having upper TITLE 2 Tn in Ca2+ free state and lower Tn in Ca2+ bound state COMPND MOL_ID: 2; COMPND 2 MOLECULE: Tropomyosin alpha-1 chain; COMPND 3 CHAIN: P, Q, R, S, W, X, Y, Z; EXPDTA ELECTRON MICROSCOPY DBREF 7KO7 R -1 284 PDB 7KO7 7KO7 -1 284 SEQRES 1 R 29 MET ASP ALA ILE LYS LYS LYS MET GLN MET LEU LYS LEU SEQRES 2 R 29 ASP LYS GLU ASN ALA LEU ASP ARG ALA GLU GLN ALA GLU SEQRES 3 R 29 ALA ASP LYS ATOM 1 N MET R 1 184.216 202.737 83.200 1.00 0.00 ATOM 2 CA MET R 1 183.306 203.246 82.194 1.00 0.00 ATOM 3 C MET R 1 183.508 202.523 80.870 1.00 0.00 ATOM 4 O MET R 1 183.725 203.119 79.813 1.00 0.00 ATOM 5 CB MET R 1 183.546 204.727 82.053 1.00 0.00 ATOM 6 CG MET R 1 183.242 205.449 83.299 1.00 0.00 ATOM 7 SD MET R 1 183.449 207.131 83.123 1.00 0.00 ATOM 8 CE MET R 1 182.920 207.580 84.713 1.00 0.00 ATOM 9 N ASP R 2 183.324 201.223 80.937 1.00 0.00 ATOM 10 CA ASP R 2 183.474 200.314 79.839 1.00 0.00 ATOM 11 C ASP R 2 182.270 200.441 78.966 1.00 0.00 ATOM 12 O ASP R 2 182.325 200.185 77.766 1.00 0.00 ATOM 13 CB ASP R 2 183.637 198.904 80.352 1.00 0.00 ATOM 14 CG ASP R 2 184.963 198.644 81.060 1.00 0.00 ATOM 15 OD1 ASP R 2 185.921 199.388 80.892 1.00 0.00 ATOM 16 OD2 ASP R 2 185.003 197.697 81.797 1.00 0.00 ATOM 17 N ALA R 3 181.156 200.881 79.548 1.00 0.00 ATOM 18 CA ALA R 3 179.965 201.039 78.754 1.00 0.00 ATOM 19 C ALA R 3 180.250 202.042 77.636 1.00 0.00 ATOM 20 O ALA R 3 179.778 201.897 76.510 1.00 0.00 ATOM 21 CB ALA R 3 178.798 201.480 79.606 1.00 0.00 ATOM 22 N ILE R 4 181.076 203.032 77.911 1.00 0.00 ATOM 23 CA ILE R 4 181.379 203.988 76.882 1.00 0.00 ATOM 24 C ILE R 4 182.647 203.754 76.174 1.00 0.00 ATOM 25 O ILE R 4 182.832 204.252 75.084 1.00 0.00 ATOM 26 CB ILE R 4 181.236 205.372 77.350 1.00 0.00 ATOM 27 CG1 ILE R 4 182.089 205.594 78.501 1.00 0.00 ATOM 28 CG2 ILE R 4 179.829 205.582 77.512 1.00 0.00 ATOM 29 CD1 ILE R 4 182.168 206.970 78.863 1.00 0.00 ATOM 30 N LYS R 5 183.495 202.907 76.686 1.00 0.00 ATOM 31 CA LYS R 5 184.585 202.532 75.823 1.00 0.00 ATOM 32 C LYS R 5 183.913 201.838 74.628 1.00 0.00 ATOM 33 O LYS R 5 184.342 201.970 73.478 1.00 0.00 ATOM 34 CB LYS R 5 185.565 201.654 76.555 1.00 0.00 ATOM 35 CG LYS R 5 186.838 201.381 75.803 1.00 0.00 ATOM 36 CD LYS R 5 187.819 200.581 76.657 1.00 0.00 ATOM 37 CE LYS R 5 188.462 201.461 77.759 1.00 0.00 ATOM 38 NZ LYS R 5 189.505 200.745 78.528 1.00 0.00 ATOM 39 N LYS R 6 182.853 201.081 74.926 1.00 0.00 ATOM 40 CA LYS R 6 182.098 200.382 73.914 1.00 0.00 ATOM 41 C LYS R 6 181.171 201.314 73.122 1.00 0.00 ATOM 42 O LYS R 6 181.095 201.191 71.895 1.00 0.00 ATOM 43 CB LYS R 6 181.340 199.277 74.607 1.00 0.00 ATOM 44 CG LYS R 6 182.245 198.215 75.260 1.00 0.00 ATOM 45 CD LYS R 6 183.156 197.492 74.279 1.00 0.00 ATOM 46 CE LYS R 6 183.956 196.426 74.994 1.00 0.00 ATOM 47 NZ LYS R 6 184.923 195.750 74.087 1.00 0.00 ATOM 48 N LYS R 7 180.525 202.291 73.769 1.00 0.00 ATOM 49 CA LYS R 7 179.693 203.221 73.018 1.00 0.00 ATOM 50 C LYS R 7 180.563 204.069 72.123 1.00 0.00 ATOM 51 O LYS R 7 180.168 204.398 71.006 1.00 0.00 ATOM 52 CB LYS R 7 178.911 204.169 73.894 1.00 0.00 ATOM 53 CG LYS R 7 177.993 205.085 73.151 1.00 0.00 ATOM 54 CD LYS R 7 176.842 204.344 72.501 1.00 0.00 ATOM 55 CE LYS R 7 175.843 205.303 71.912 1.00 0.00 ATOM 56 NZ LYS R 7 174.706 204.593 71.264 1.00 0.00 ATOM 57 N MET R 8 181.731 204.460 72.634 1.00 0.00 ATOM 58 CA MET R 8 182.697 205.222 71.899 1.00 0.00 ATOM 59 C MET R 8 183.052 204.491 70.671 1.00 0.00 ATOM 60 O MET R 8 183.038 205.079 69.605 1.00 0.00 ATOM 61 CB MET R 8 183.977 205.396 72.693 1.00 0.00 ATOM 62 CG MET R 8 185.169 205.995 71.930 1.00 0.00 ATOM 63 SD MET R 8 186.648 205.972 72.912 1.00 0.00 ATOM 64 CE MET R 8 187.099 204.223 72.834 1.00 0.00 ATOM 65 N GLN R 9 183.341 203.198 70.790 1.00 0.00 ATOM 66 CA GLN R 9 183.696 202.491 69.596 1.00 0.00 ATOM 67 C GLN R 9 182.528 202.458 68.641 1.00 0.00 ATOM 68 O GLN R 9 182.725 202.614 67.437 1.00 0.00 ATOM 69 CB GLN R 9 184.136 201.074 69.915 1.00 0.00 ATOM 70 CG GLN R 9 184.643 200.309 68.704 1.00 0.00 ATOM 71 CD GLN R 9 185.878 200.953 68.107 1.00 0.00 ATOM 72 OE1 GLN R 9 186.778 201.371 68.837 1.00 0.00 ATOM 73 NE2 GLN R 9 185.941 201.023 66.791 1.00 0.00 ATOM 74 N MET R 10 181.311 202.307 69.138 1.00 0.00 ATOM 75 CA MET R 10 180.212 202.270 68.198 1.00 0.00 ATOM 76 C MET R 10 180.040 203.585 67.471 1.00 0.00 ATOM 77 O MET R 10 179.856 203.604 66.256 1.00 0.00 ATOM 78 CB MET R 10 178.921 201.947 68.900 1.00 0.00 ATOM 79 CG MET R 10 177.769 201.620 67.948 1.00 0.00 ATOM 80 SD MET R 10 178.062 200.108 67.007 1.00 0.00 ATOM 81 CE MET R 10 178.342 200.732 65.350 1.00 0.00 ATOM 82 N LEU R 11 180.163 204.688 68.186 1.00 0.00 ATOM 83 CA LEU R 11 180.003 205.970 67.550 1.00 0.00 ATOM 84 C LEU R 11 181.189 206.281 66.693 1.00 0.00 ATOM 85 O LEU R 11 181.055 206.985 65.693 1.00 0.00 ATOM 86 CB LEU R 11 179.819 207.052 68.570 1.00 0.00 ATOM 87 CG LEU R 11 178.581 207.075 69.358 1.00 0.00 ATOM 88 CD1 LEU R 11 178.749 208.176 70.351 1.00 0.00 ATOM 89 CD2 LEU R 11 177.388 207.294 68.468 1.00 0.00 ATOM 90 N LYS R 12 182.352 205.779 67.084 1.00 0.00 ATOM 91 CA LYS R 12 183.552 205.959 66.323 1.00 0.00 ATOM 92 C LYS R 12 183.356 205.266 65.002 1.00 0.00 ATOM 93 O LYS R 12 183.725 205.802 63.972 1.00 0.00 ATOM 94 CB LYS R 12 184.753 205.389 67.053 1.00 0.00 ATOM 95 CG LYS R 12 186.048 205.600 66.381 1.00 0.00 ATOM 96 CD LYS R 12 187.167 205.075 67.242 1.00 0.00 ATOM 97 CE LYS R 12 188.503 205.276 66.569 1.00 0.00 ATOM 98 NZ LYS R 12 189.632 204.782 67.407 1.00 0.00 ATOM 99 N LEU R 13 182.779 204.070 65.014 1.00 0.00 ATOM 100 CA LEU R 13 182.520 203.372 63.777 1.00 0.00 ATOM 101 C LEU R 13 181.470 204.100 62.977 1.00 0.00 ATOM 102 O LEU R 13 181.608 204.251 61.765 1.00 0.00 ATOM 103 CB LEU R 13 182.037 201.962 64.078 1.00 0.00 ATOM 104 CG LEU R 13 183.061 201.013 64.671 1.00 0.00 ATOM 105 CD1 LEU R 13 182.351 199.764 65.164 1.00 0.00 ATOM 106 CD2 LEU R 13 184.109 200.647 63.624 1.00 0.00 ATOM 107 N ASP R 14 180.450 204.633 63.639 1.00 0.00 ATOM 108 CA ASP R 14 179.426 205.320 62.890 1.00 0.00 ATOM 109 C ASP R 14 179.997 206.553 62.216 1.00 0.00 ATOM 110 O ASP R 14 179.672 206.836 61.053 1.00 0.00 ATOM 111 CB ASP R 14 178.299 205.771 63.818 1.00 0.00 ATOM 112 CG ASP R 14 177.433 204.672 64.369 1.00 0.00 ATOM 113 OD1 ASP R 14 177.443 203.580 63.859 1.00 0.00 ATOM 114 OD2 ASP R 14 176.737 204.952 65.316 1.00 0.00 ATOM 115 N LYS R 15 180.864 207.292 62.919 1.00 0.00 ATOM 116 CA LYS R 15 181.423 208.461 62.290 1.00 0.00 ATOM 117 C LYS R 15 182.494 208.106 61.346 1.00 0.00 ATOM 118 O LYS R 15 182.672 208.806 60.366 1.00 0.00 ATOM 119 CB LYS R 15 181.972 209.494 63.256 1.00 0.00 ATOM 120 CG LYS R 15 183.197 209.141 64.004 1.00 0.00 ATOM 121 CD LYS R 15 184.534 209.630 63.343 1.00 0.00 ATOM 122 CE LYS R 15 185.714 209.367 64.252 1.00 0.00 ATOM 123 NZ LYS R 15 187.031 209.638 63.583 1.00 0.00 ATOM 124 N GLU R 16 183.225 207.032 61.602 1.00 0.00 ATOM 125 CA GLU R 16 184.310 206.709 60.726 1.00 0.00 ATOM 126 C GLU R 16 183.715 206.300 59.417 1.00 0.00 ATOM 127 O GLU R 16 184.287 206.568 58.369 1.00 0.00 ATOM 128 CB GLU R 16 185.211 205.622 61.292 1.00 0.00 ATOM 129 CG GLU R 16 186.496 205.443 60.516 1.00 0.00 ATOM 130 CD GLU R 16 187.397 206.692 60.602 1.00 0.00 ATOM 131 OE1 GLU R 16 187.236 207.489 61.528 1.00 0.00 ATOM 132 OE2 GLU R 16 188.231 206.848 59.747 1.00 0.00 ATOM 133 N ASN R 17 182.570 205.629 59.460 1.00 0.00 ATOM 134 CA ASN R 17 181.923 205.206 58.251 1.00 0.00 ATOM 135 C ASN R 17 181.325 206.411 57.530 1.00 0.00 ATOM 136 O ASN R 17 181.452 206.526 56.310 1.00 0.00 ATOM 137 CB ASN R 17 180.855 204.207 58.602 1.00 0.00 ATOM 138 CG ASN R 17 181.442 202.912 59.077 1.00 0.00 ATOM 139 OD1 ASN R 17 182.593 202.566 58.788 1.00 0.00 ATOM 140 ND2 ASN R 17 180.668 202.181 59.831 1.00 0.00 ATOM 141 N ALA R 18 180.719 207.348 58.279 1.00 0.00 ATOM 142 CA ALA R 18 180.168 208.556 57.681 1.00 0.00 ATOM 143 C ALA R 18 181.280 209.410 57.098 1.00 0.00 ATOM 144 O ALA R 18 181.097 210.049 56.069 1.00 0.00 ATOM 145 CB ALA R 18 179.403 209.338 58.702 1.00 0.00 ATOM 146 N LEU R 19 182.424 209.411 57.773 1.00 0.00 ATOM 147 CA LEU R 19 183.617 210.136 57.399 1.00 0.00 ATOM 148 C LEU R 19 184.259 209.503 56.219 1.00 0.00 ATOM 149 O LEU R 19 184.657 210.203 55.299 1.00 0.00 ATOM 150 CB LEU R 19 184.564 210.208 58.573 1.00 0.00 ATOM 151 CG LEU R 19 185.843 210.969 58.386 1.00 0.00 ATOM 152 CD1 LEU R 19 185.561 212.427 57.999 1.00 0.00 ATOM 153 CD2 LEU R 19 186.593 210.881 59.690 1.00 0.00 ATOM 154 N ASP R 20 184.301 208.181 56.189 1.00 0.00 ATOM 155 CA ASP R 20 184.842 207.478 55.056 1.00 0.00 ATOM 156 C ASP R 20 184.005 207.954 53.888 1.00 0.00 ATOM 157 O ASP R 20 184.542 208.362 52.860 1.00 0.00 ATOM 158 CB ASP R 20 184.747 205.959 55.292 1.00 0.00 ATOM 159 CG ASP R 20 185.398 205.068 54.243 1.00 0.00 ATOM 160 OD1 ASP R 20 186.126 205.560 53.417 1.00 0.00 ATOM 161 OD2 ASP R 20 185.149 203.880 54.263 1.00 0.00 ATOM 162 N ARG R 21 182.680 207.971 54.063 1.00 0.00 ATOM 163 CA ARG R 21 181.837 208.470 53.010 1.00 0.00 ATOM 164 C ARG R 21 182.056 209.950 52.741 1.00 0.00 ATOM 165 O ARG R 21 182.029 210.343 51.591 1.00 0.00 ATOM 166 CB ARG R 21 180.385 208.256 53.304 1.00 0.00 ATOM 167 CG ARG R 21 179.932 206.863 53.254 1.00 0.00 ATOM 168 CD ARG R 21 178.512 206.810 53.520 1.00 0.00 ATOM 169 NE ARG R 21 177.769 207.499 52.464 1.00 0.00 ATOM 170 CZ ARG R 21 176.480 207.869 52.532 1.00 0.00 ATOM 171 NH1 ARG R 21 175.779 207.611 53.616 1.00 0.00 ATOM 172 NH2 ARG R 21 175.917 208.484 51.505 1.00 0.00 ATOM 173 N ALA R 22 182.286 210.795 53.750 1.00 0.00 ATOM 174 CA ALA R 22 182.514 212.209 53.459 1.00 0.00 ATOM 175 C ALA R 22 183.730 212.393 52.596 1.00 0.00 ATOM 176 O ALA R 22 183.727 213.202 51.660 1.00 0.00 ATOM 177 CB ALA R 22 182.706 212.996 54.730 1.00 0.00 ATOM 178 N GLU R 23 184.757 211.623 52.896 1.00 0.00 ATOM 179 CA GLU R 23 186.000 211.685 52.183 1.00 0.00 ATOM 180 C GLU R 23 185.846 211.118 50.791 1.00 0.00 ATOM 181 O GLU R 23 186.388 211.682 49.844 1.00 0.00 ATOM 182 CB GLU R 23 187.062 210.943 52.979 1.00 0.00 ATOM 183 CG GLU R 23 187.442 211.642 54.297 1.00 0.00 ATOM 184 CD GLU R 23 188.346 210.816 55.143 1.00 0.00 ATOM 185 OE1 GLU R 23 188.580 209.691 54.781 1.00 0.00 ATOM 186 OE2 GLU R 23 188.812 211.301 56.148 1.00 0.00 ATOM 187 N GLN R 24 185.098 210.022 50.646 1.00 0.00 ATOM 188 CA GLN R 24 184.879 209.436 49.342 1.00 0.00 ATOM 189 C GLN R 24 184.004 210.326 48.514 1.00 0.00 ATOM 190 O GLN R 24 184.297 210.633 47.377 1.00 0.00 ATOM 191 CB GLN R 24 184.180 208.099 49.455 1.00 0.00 ATOM 192 CG GLN R 24 184.983 207.001 50.044 1.00 0.00 ATOM 193 CD GLN R 24 184.115 205.813 50.318 1.00 0.00 ATOM 194 OE1 GLN R 24 183.076 205.635 49.672 1.00 0.00 ATOM 195 NE2 GLN R 24 184.506 205.002 51.265 1.00 0.00 ATOM 196 N ALA R 25 182.970 210.857 49.126 1.00 0.00 ATOM 197 CA ALA R 25 182.040 211.683 48.419 1.00 0.00 ATOM 198 C ALA R 25 182.748 212.887 47.839 1.00 0.00 ATOM 199 O ALA R 25 182.478 213.282 46.711 1.00 0.00 ATOM 200 CB ALA R 25 180.954 212.071 49.363 1.00 0.00 ATOM 201 N GLU R 26 183.699 213.450 48.584 1.00 0.00 ATOM 202 CA GLU R 26 184.471 214.534 48.029 1.00 0.00 ATOM 203 C GLU R 26 185.526 214.002 47.032 1.00 0.00 ATOM 204 O GLU R 26 185.746 214.579 45.969 1.00 0.00 ATOM 205 CB GLU R 26 185.151 215.336 49.145 1.00 0.00 ATOM 206 CG GLU R 26 184.211 216.193 50.045 1.00 0.00 ATOM 207 CD GLU R 26 183.523 217.329 49.292 1.00 0.00 ATOM 208 OE1 GLU R 26 183.891 217.577 48.174 1.00 0.00 ATOM 209 OE2 GLU R 26 182.661 217.966 49.841 1.00 0.00 ATOM 210 N ALA R 27 186.147 212.862 47.339 1.00 0.00 ATOM 211 CA ALA R 27 187.189 212.274 46.499 1.00 0.00 ATOM 212 C ALA R 27 186.689 211.870 45.127 1.00 0.00 ATOM 213 O ALA R 27 187.433 211.939 44.151 1.00 0.00 ATOM 214 CB ALA R 27 187.787 211.054 47.158 1.00 0.00 ATOM 215 N ASP R 28 185.432 211.458 45.050 1.00 0.00 ATOM 216 CA ASP R 28 184.795 211.004 43.828 1.00 0.00 ATOM 217 C ASP R 28 184.700 212.084 42.762 1.00 0.00 ATOM 218 O ASP R 28 184.672 211.759 41.571 1.00 0.00 ATOM 219 CB ASP R 28 183.392 210.469 44.139 1.00 0.00 ATOM 220 CG ASP R 28 183.387 209.095 44.870 1.00 0.00 ATOM 221 OD1 ASP R 28 184.405 208.432 44.896 1.00 0.00 ATOM 222 OD2 ASP R 28 182.359 208.720 45.381 1.00 0.00 ATOM 223 N LYS R 29 184.664 213.350 43.178 1.00 0.00 ATOM 224 CA LYS R 29 184.542 214.501 42.295 1.00 0.00 ATOM 225 C LYS R 29 183.371 214.410 41.323 1.00 0.00 ATOM 226 O LYS R 29 182.605 213.451 41.337 1.00 0.00 ATOM 227 CB LYS R 29 185.841 214.700 41.525 1.00 0.00 ATOM 228 CG LYS R 29 187.069 214.874 42.422 1.00 0.00 ATOM 229 CD LYS R 29 187.051 216.125 43.293 1.00 0.00 ATOM 230 CE LYS R 29 188.327 216.200 44.124 1.00 0.00 ATOM 231 NZ LYS R 29 188.356 217.386 45.025 1.00 0.00 TER