HEADER CONTRACTILE PROTEIN 31-DEC-69 7KON TITLE Structure of upper Tn Ca2+ free (rotated) and lower Tn Ca2+ bound TITLE 2 cardiac native thin filament at pCa=5.8 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 7KON R -1 284 PDB 7KON 7KON -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 1 182.743 201.503 82.251 1.00 0.00 ATOM 2 CA MET R 1 181.870 202.019 81.216 1.00 0.00 ATOM 3 C MET R 1 182.136 201.321 79.889 1.00 0.00 ATOM 4 O MET R 1 182.390 201.939 78.853 1.00 0.00 ATOM 5 CB MET R 1 182.096 203.505 81.111 1.00 0.00 ATOM 6 CG MET R 1 181.665 204.208 82.330 1.00 0.00 ATOM 7 SD MET R 1 180.006 203.974 82.642 1.00 0.00 ATOM 8 CE MET R 1 179.405 204.845 81.267 1.00 0.00 ATOM 9 N ASP R 2 181.966 200.018 79.926 1.00 0.00 ATOM 10 CA ASP R 2 182.174 199.131 78.821 1.00 0.00 ATOM 11 C ASP R 2 181.006 199.258 77.900 1.00 0.00 ATOM 12 O ASP R 2 181.113 199.024 76.699 1.00 0.00 ATOM 13 CB ASP R 2 182.334 197.714 79.316 1.00 0.00 ATOM 14 CG ASP R 2 183.632 197.458 80.074 1.00 0.00 ATOM 15 OD1 ASP R 2 184.587 198.217 79.959 1.00 0.00 ATOM 16 OD2 ASP R 2 183.654 196.498 80.796 1.00 0.00 ATOM 17 N ALA R 3 179.863 199.674 78.442 1.00 0.00 ATOM 18 CA ALA R 3 178.704 199.831 77.602 1.00 0.00 ATOM 19 C ALA R 3 179.022 200.858 76.514 1.00 0.00 ATOM 20 O ALA R 3 178.599 200.727 75.367 1.00 0.00 ATOM 21 CB ALA R 3 177.497 200.243 78.412 1.00 0.00 ATOM 22 N ILE R 4 179.823 201.853 76.841 1.00 0.00 ATOM 23 CA ILE R 4 180.157 202.830 75.842 1.00 0.00 ATOM 24 C ILE R 4 181.456 202.625 75.183 1.00 0.00 ATOM 25 O ILE R 4 181.679 203.144 74.111 1.00 0.00 ATOM 26 CB ILE R 4 179.975 204.204 76.327 1.00 0.00 ATOM 27 CG1 ILE R 4 178.610 204.391 76.775 1.00 0.00 ATOM 28 CG2 ILE R 4 180.456 205.052 75.278 1.00 0.00 ATOM 29 CD1 ILE R 4 177.659 204.147 75.743 1.00 0.00 ATOM 30 N LYS R 5 182.292 201.779 75.716 1.00 0.00 ATOM 31 CA LYS R 5 183.422 201.433 74.893 1.00 0.00 ATOM 32 C LYS R 5 182.809 200.751 73.659 1.00 0.00 ATOM 33 O LYS R 5 183.284 200.910 72.530 1.00 0.00 ATOM 34 CB LYS R 5 184.382 200.554 75.650 1.00 0.00 ATOM 35 CG LYS R 5 185.689 200.310 74.947 1.00 0.00 ATOM 36 CD LYS R 5 186.644 199.507 75.828 1.00 0.00 ATOM 37 CE LYS R 5 187.228 200.375 76.971 1.00 0.00 ATOM 38 NZ LYS R 5 188.248 199.659 77.771 1.00 0.00 ATOM 39 N LYS R 6 181.748 199.977 73.900 1.00 0.00 ATOM 40 CA LYS R 6 181.045 199.286 72.845 1.00 0.00 ATOM 41 C LYS R 6 180.139 200.221 72.031 1.00 0.00 ATOM 42 O LYS R 6 180.117 200.118 70.800 1.00 0.00 ATOM 43 CB LYS R 6 180.273 198.160 73.487 1.00 0.00 ATOM 44 CG LYS R 6 181.164 197.098 74.159 1.00 0.00 ATOM 45 CD LYS R 6 182.124 196.404 73.204 1.00 0.00 ATOM 46 CE LYS R 6 182.908 195.334 73.934 1.00 0.00 ATOM 47 NZ LYS R 6 183.920 194.687 73.057 1.00 0.00 ATOM 48 N LYS R 7 179.454 201.178 72.667 1.00 0.00 ATOM 49 CA LYS R 7 178.642 202.111 71.898 1.00 0.00 ATOM 50 C LYS R 7 179.538 202.985 71.055 1.00 0.00 ATOM 51 O LYS R 7 179.185 203.329 69.928 1.00 0.00 ATOM 52 CB LYS R 7 177.813 203.033 72.756 1.00 0.00 ATOM 53 CG LYS R 7 176.914 203.951 71.992 1.00 0.00 ATOM 54 CD LYS R 7 175.801 203.207 71.282 1.00 0.00 ATOM 55 CE LYS R 7 174.815 204.164 70.667 1.00 0.00 ATOM 56 NZ LYS R 7 173.716 203.452 69.960 1.00 0.00 ATOM 57 N MET R 8 180.678 203.381 71.620 1.00 0.00 ATOM 58 CA MET R 8 181.664 204.168 70.940 1.00 0.00 ATOM 59 C MET R 8 182.079 203.463 69.716 1.00 0.00 ATOM 60 O MET R 8 182.102 204.069 68.660 1.00 0.00 ATOM 61 CB MET R 8 182.908 204.343 71.790 1.00 0.00 ATOM 62 CG MET R 8 184.122 204.971 71.088 1.00 0.00 ATOM 63 SD MET R 8 185.559 204.949 72.130 1.00 0.00 ATOM 64 CE MET R 8 186.036 203.207 72.042 1.00 0.00 ATOM 65 N GLN R 9 182.380 202.172 69.825 1.00 0.00 ATOM 66 CA GLN R 9 182.793 201.490 68.634 1.00 0.00 ATOM 67 C GLN R 9 181.667 201.460 67.631 1.00 0.00 ATOM 68 O GLN R 9 181.912 201.640 66.439 1.00 0.00 ATOM 69 CB GLN R 9 183.239 200.074 68.947 1.00 0.00 ATOM 70 CG GLN R 9 183.805 199.337 67.746 1.00 0.00 ATOM 71 CD GLN R 9 185.055 200.006 67.212 1.00 0.00 ATOM 72 OE1 GLN R 9 185.919 200.422 67.986 1.00 0.00 ATOM 73 NE2 GLN R 9 185.172 200.100 65.901 1.00 0.00 ATOM 74 N MET R 10 180.432 201.285 68.074 1.00 0.00 ATOM 75 CA MET R 10 179.374 201.252 67.088 1.00 0.00 ATOM 76 C MET R 10 179.215 202.577 66.377 1.00 0.00 ATOM 77 O MET R 10 179.082 202.615 65.156 1.00 0.00 ATOM 78 CB MET R 10 178.060 200.901 67.730 1.00 0.00 ATOM 79 CG MET R 10 176.952 200.576 66.725 1.00 0.00 ATOM 80 SD MET R 10 177.303 199.084 65.772 1.00 0.00 ATOM 81 CE MET R 10 177.644 199.741 64.139 1.00 0.00 ATOM 82 N LEU R 11 179.294 203.668 67.116 1.00 0.00 ATOM 83 CA LEU R 11 179.144 204.959 66.496 1.00 0.00 ATOM 84 C LEU R 11 180.360 205.300 65.695 1.00 0.00 ATOM 85 O LEU R 11 180.259 206.019 64.702 1.00 0.00 ATOM 86 CB LEU R 11 178.904 206.021 67.526 1.00 0.00 ATOM 87 CG LEU R 11 177.634 206.015 68.261 1.00 0.00 ATOM 88 CD1 LEU R 11 177.746 207.101 69.279 1.00 0.00 ATOM 89 CD2 LEU R 11 176.476 206.234 67.326 1.00 0.00 ATOM 90 N LYS R 12 181.513 204.805 66.126 1.00 0.00 ATOM 91 CA LYS R 12 182.741 205.014 65.418 1.00 0.00 ATOM 92 C LYS R 12 182.609 204.341 64.078 1.00 0.00 ATOM 93 O LYS R 12 183.014 204.901 63.074 1.00 0.00 ATOM 94 CB LYS R 12 183.918 204.445 66.188 1.00 0.00 ATOM 95 CG LYS R 12 185.237 204.684 65.575 1.00 0.00 ATOM 96 CD LYS R 12 186.325 204.158 66.472 1.00 0.00 ATOM 97 CE LYS R 12 187.686 204.387 65.859 1.00 0.00 ATOM 98 NZ LYS R 12 188.785 203.892 66.735 1.00 0.00 ATOM 99 N LEU R 13 182.048 203.138 64.045 1.00 0.00 ATOM 100 CA LEU R 13 181.850 202.459 62.788 1.00 0.00 ATOM 101 C LEU R 13 180.824 203.188 61.957 1.00 0.00 ATOM 102 O LEU R 13 181.011 203.363 60.754 1.00 0.00 ATOM 103 CB LEU R 13 181.373 201.039 63.044 1.00 0.00 ATOM 104 CG LEU R 13 182.384 200.092 63.663 1.00 0.00 ATOM 105 CD1 LEU R 13 181.670 198.826 64.104 1.00 0.00 ATOM 106 CD2 LEU R 13 183.479 199.757 62.654 1.00 0.00 ATOM 107 N ASP R 14 179.771 203.697 62.584 1.00 0.00 ATOM 108 CA ASP R 14 178.771 204.384 61.805 1.00 0.00 ATOM 109 C ASP R 14 179.353 205.636 61.176 1.00 0.00 ATOM 110 O ASP R 14 179.073 205.936 60.007 1.00 0.00 ATOM 111 CB ASP R 14 177.600 204.805 62.692 1.00 0.00 ATOM 112 CG ASP R 14 176.726 203.686 63.188 1.00 0.00 ATOM 113 OD1 ASP R 14 176.771 202.603 62.660 1.00 0.00 ATOM 114 OD2 ASP R 14 175.988 203.941 64.109 1.00 0.00 ATOM 115 N LYS R 15 180.180 206.373 61.928 1.00 0.00 ATOM 116 CA LYS R 15 180.750 207.560 61.343 1.00 0.00 ATOM 117 C LYS R 15 181.863 207.235 60.438 1.00 0.00 ATOM 118 O LYS R 15 182.073 207.954 59.479 1.00 0.00 ATOM 119 CB LYS R 15 181.244 208.582 62.348 1.00 0.00 ATOM 120 CG LYS R 15 182.441 208.232 63.141 1.00 0.00 ATOM 121 CD LYS R 15 183.798 208.749 62.545 1.00 0.00 ATOM 122 CE LYS R 15 184.943 208.483 63.498 1.00 0.00 ATOM 123 NZ LYS R 15 186.283 208.783 62.890 1.00 0.00 ATOM 124 N GLU R 16 182.596 206.165 60.707 1.00 0.00 ATOM 125 CA GLU R 16 183.721 205.871 59.872 1.00 0.00 ATOM 126 C GLU R 16 183.187 205.478 58.532 1.00 0.00 ATOM 127 O GLU R 16 183.798 205.772 57.514 1.00 0.00 ATOM 128 CB GLU R 16 184.612 204.786 60.456 1.00 0.00 ATOM 129 CG GLU R 16 185.931 204.637 59.732 1.00 0.00 ATOM 130 CD GLU R 16 186.811 205.894 59.877 1.00 0.00 ATOM 131 OE1 GLU R 16 186.601 206.673 60.808 1.00 0.00 ATOM 132 OE2 GLU R 16 187.677 206.076 59.060 1.00 0.00 ATOM 133 N ASN R 17 182.050 204.793 58.516 1.00 0.00 ATOM 134 CA ASN R 17 181.459 204.383 57.273 1.00 0.00 ATOM 135 C ASN R 17 180.877 205.594 56.549 1.00 0.00 ATOM 136 O ASN R 17 181.052 205.731 55.337 1.00 0.00 ATOM 137 CB ASN R 17 180.391 203.365 57.562 1.00 0.00 ATOM 138 CG ASN R 17 180.974 202.069 58.039 1.00 0.00 ATOM 139 OD1 ASN R 17 182.141 201.742 57.793 1.00 0.00 ATOM 140 ND2 ASN R 17 180.179 201.315 58.747 1.00 0.00 ATOM 141 N ALA R 18 180.227 206.509 57.287 1.00 0.00 ATOM 142 CA ALA R 18 179.686 207.721 56.688 1.00 0.00 ATOM 143 C ALA R 18 180.811 208.599 56.166 1.00 0.00 ATOM 144 O ALA R 18 180.662 209.253 55.141 1.00 0.00 ATOM 145 CB ALA R 18 178.870 208.475 57.689 1.00 0.00 ATOM 146 N LEU R 19 181.925 208.602 56.888 1.00 0.00 ATOM 147 CA LEU R 19 183.123 209.348 56.577 1.00 0.00 ATOM 148 C LEU R 19 183.822 208.743 55.415 1.00 0.00 ATOM 149 O LEU R 19 184.249 209.465 54.525 1.00 0.00 ATOM 150 CB LEU R 19 184.020 209.411 57.791 1.00 0.00 ATOM 151 CG LEU R 19 185.295 210.190 57.671 1.00 0.00 ATOM 152 CD1 LEU R 19 185.010 211.651 57.298 1.00 0.00 ATOM 153 CD2 LEU R 19 185.991 210.089 59.004 1.00 0.00 ATOM 154 N ASP R 20 183.883 207.423 55.364 1.00 0.00 ATOM 155 CA ASP R 20 184.479 206.747 54.243 1.00 0.00 ATOM 156 C ASP R 20 183.685 207.233 53.049 1.00 0.00 ATOM 157 O ASP R 20 184.259 207.666 52.051 1.00 0.00 ATOM 158 CB ASP R 20 184.394 205.223 54.448 1.00 0.00 ATOM 159 CG ASP R 20 185.099 204.358 53.413 1.00 0.00 ATOM 160 OD1 ASP R 20 185.855 204.874 52.626 1.00 0.00 ATOM 161 OD2 ASP R 20 184.865 203.167 53.402 1.00 0.00 ATOM 162 N ARG R 21 182.354 207.231 53.168 1.00 0.00 ATOM 163 CA ARG R 21 181.549 207.738 52.089 1.00 0.00 ATOM 164 C ARG R 21 181.760 209.224 51.856 1.00 0.00 ATOM 165 O ARG R 21 181.776 209.638 50.712 1.00 0.00 ATOM 166 CB ARG R 21 180.089 207.500 52.319 1.00 0.00 ATOM 167 CG ARG R 21 179.657 206.103 52.227 1.00 0.00 ATOM 168 CD ARG R 21 178.227 206.029 52.432 1.00 0.00 ATOM 169 NE ARG R 21 177.521 206.726 51.358 1.00 0.00 ATOM 170 CZ ARG R 21 176.225 207.080 51.377 1.00 0.00 ATOM 171 NH1 ARG R 21 175.483 206.794 52.427 1.00 0.00 ATOM 172 NH2 ARG R 21 175.697 207.706 50.339 1.00 0.00 ATOM 173 N ALA R 22 181.937 210.055 52.887 1.00 0.00 ATOM 174 CA ALA R 22 182.159 211.477 52.631 1.00 0.00 ATOM 175 C ALA R 22 183.406 211.690 51.823 1.00 0.00 ATOM 176 O ALA R 22 183.432 212.516 50.902 1.00 0.00 ATOM 177 CB ALA R 22 182.286 212.243 53.922 1.00 0.00 ATOM 178 N GLU R 23 184.431 210.928 52.152 1.00 0.00 ATOM 179 CA GLU R 23 185.700 211.017 51.493 1.00 0.00 ATOM 180 C GLU R 23 185.612 210.473 50.087 1.00 0.00 ATOM 181 O GLU R 23 186.186 211.061 49.172 1.00 0.00 ATOM 182 CB GLU R 23 186.738 210.274 52.320 1.00 0.00 ATOM 183 CG GLU R 23 187.054 210.955 53.665 1.00 0.00 ATOM 184 CD GLU R 23 187.932 210.125 54.533 1.00 0.00 ATOM 185 OE1 GLU R 23 188.196 209.010 54.162 1.00 0.00 ATOM 186 OE2 GLU R 23 188.350 210.598 55.565 1.00 0.00 ATOM 187 N GLN R 24 184.885 209.371 49.892 1.00 0.00 ATOM 188 CA GLN R 24 184.729 208.805 48.569 1.00 0.00 ATOM 189 C GLN R 24 183.877 209.699 47.721 1.00 0.00 ATOM 190 O GLN R 24 184.213 210.030 46.603 1.00 0.00 ATOM 191 CB GLN R 24 184.043 207.458 48.630 1.00 0.00 ATOM 192 CG GLN R 24 184.835 206.360 49.233 1.00 0.00 ATOM 193 CD GLN R 24 183.972 205.157 49.450 1.00 0.00 ATOM 194 OE1 GLN R 24 182.963 204.977 48.759 1.00 0.00 ATOM 195 NE2 GLN R 24 184.333 204.334 50.399 1.00 0.00 ATOM 196 N ALA R 25 182.811 210.206 48.298 1.00 0.00 ATOM 197 CA ALA R 25 181.901 211.033 47.567 1.00 0.00 ATOM 198 C ALA R 25 182.617 212.256 47.038 1.00 0.00 ATOM 199 O ALA R 25 182.389 212.667 45.906 1.00 0.00 ATOM 200 CB ALA R 25 180.772 211.391 48.471 1.00 0.00 ATOM 201 N GLU R 26 183.529 212.818 47.832 1.00 0.00 ATOM 202 CA GLU R 26 184.309 213.920 47.328 1.00 0.00 ATOM 203 C GLU R 26 185.412 213.419 46.367 1.00 0.00 ATOM 204 O GLU R 26 185.668 214.017 45.324 1.00 0.00 ATOM 205 CB GLU R 26 184.932 214.710 48.485 1.00 0.00 ATOM 206 CG GLU R 26 183.944 215.540 49.359 1.00 0.00 ATOM 207 CD GLU R 26 183.273 216.681 48.598 1.00 0.00 ATOM 208 OE1 GLU R 26 183.684 216.953 47.500 1.00 0.00 ATOM 209 OE2 GLU R 26 182.381 217.297 49.121 1.00 0.00 ATOM 210 N ALA R 27 186.034 212.281 46.680 1.00 0.00 ATOM 211 CA ALA R 27 187.118 211.721 45.875 1.00 0.00 ATOM 212 C ALA R 27 186.680 211.336 44.476 1.00 0.00 ATOM 213 O ALA R 27 187.463 211.430 43.534 1.00 0.00 ATOM 214 CB ALA R 27 187.704 210.497 46.537 1.00 0.00 ATOM 215 N ASP R 28 185.433 210.909 44.340 1.00 0.00 ATOM 216 CA ASP R 28 184.854 210.469 43.084 1.00 0.00 ATOM 217 C ASP R 28 184.789 211.567 42.034 1.00 0.00 ATOM 218 O ASP R 28 184.815 211.262 40.838 1.00 0.00 ATOM 219 CB ASP R 28 183.446 209.911 43.327 1.00 0.00 ATOM 220 CG ASP R 28 183.428 208.525 44.033 1.00 0.00 ATOM 221 OD1 ASP R 28 184.453 207.874 44.091 1.00 0.00 ATOM 222 OD2 ASP R 28 182.385 208.129 44.495 1.00 0.00 ATOM 223 N LYS R 29 184.719 212.825 42.470 1.00 0.00 ATOM 224 CA LYS R 29 184.619 213.989 41.602 1.00 0.00 ATOM 225 C LYS R 29 183.491 213.901 40.580 1.00 0.00 ATOM 226 O LYS R 29 182.737 212.932 40.547 1.00 0.00 ATOM 227 CB LYS R 29 185.947 214.217 40.890 1.00 0.00 ATOM 228 CG LYS R 29 187.133 214.391 41.841 1.00 0.00 ATOM 229 CD LYS R 29 187.063 215.626 42.732 1.00 0.00 ATOM 230 CE LYS R 29 188.303 215.702 43.616 1.00 0.00 ATOM 231 NZ LYS R 29 188.279 216.872 44.538 1.00 0.00 TER