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 Z -1 284 PDB 7KON 7KON -1 284 SEQRES 1 Z 29 MET ASP ALA ILE LYS LYS LYS MET GLN MET LEU LYS LEU SEQRES 2 Z 29 ASP LYS GLU ASN ALA LEU ASP ARG ALA GLU GLN ALA GLU SEQRES 3 Z 29 ALA ASP LYS ATOM 1 N MET Y 1 251.095 232.161 110.035 1.00 0.00 ATOM 2 CA MET Y 1 251.942 232.473 108.906 1.00 0.00 ATOM 3 C MET Y 1 251.190 233.123 107.766 1.00 0.00 ATOM 4 O MET Y 1 250.965 232.484 106.746 1.00 0.00 ATOM 5 CB MET Y 1 252.618 231.210 108.420 1.00 0.00 ATOM 6 CG MET Y 1 253.578 230.621 109.345 1.00 0.00 ATOM 7 SD MET Y 1 254.336 229.126 108.745 1.00 0.00 ATOM 8 CE MET Y 1 255.715 228.915 109.889 1.00 0.00 ATOM 9 N ASP Y 2 250.899 234.412 107.913 1.00 0.00 ATOM 10 CA ASP Y 2 250.145 235.204 106.958 1.00 0.00 ATOM 11 C ASP Y 2 250.951 235.392 105.703 1.00 0.00 ATOM 12 O ASP Y 2 250.424 235.326 104.588 1.00 0.00 ATOM 13 CB ASP Y 2 249.817 236.554 107.606 1.00 0.00 ATOM 14 CG ASP Y 2 251.089 237.288 108.153 1.00 0.00 ATOM 15 OD1 ASP Y 2 252.140 236.658 108.228 1.00 0.00 ATOM 16 OD2 ASP Y 2 250.983 238.429 108.527 1.00 0.00 ATOM 17 N ALA Y 3 252.255 235.537 105.897 1.00 0.00 ATOM 18 CA ALA Y 3 253.177 235.686 104.807 1.00 0.00 ATOM 19 C ALA Y 3 253.125 234.458 103.963 1.00 0.00 ATOM 20 O ALA Y 3 253.107 234.544 102.739 1.00 0.00 ATOM 21 CB ALA Y 3 254.576 235.884 105.325 1.00 0.00 ATOM 22 N ILE Y 4 253.002 233.312 104.614 1.00 0.00 ATOM 23 CA ILE Y 4 252.953 232.075 103.900 1.00 0.00 ATOM 24 C ILE Y 4 251.610 231.895 103.320 1.00 0.00 ATOM 25 O ILE Y 4 251.499 231.531 102.176 1.00 0.00 ATOM 26 CB ILE Y 4 253.293 230.857 104.747 1.00 0.00 ATOM 27 CG1 ILE Y 4 254.738 230.971 105.317 1.00 0.00 ATOM 28 CG2 ILE Y 4 253.097 229.584 103.934 1.00 0.00 ATOM 29 CD1 ILE Y 4 255.841 231.123 104.307 1.00 0.00 ATOM 30 N LYS Y 5 250.547 232.161 104.043 1.00 0.00 ATOM 31 CA LYS Y 5 249.268 231.896 103.439 1.00 0.00 ATOM 32 C LYS Y 5 249.189 232.547 102.067 1.00 0.00 ATOM 33 O LYS Y 5 248.742 231.909 101.106 1.00 0.00 ATOM 34 CB LYS Y 5 248.154 232.409 104.318 1.00 0.00 ATOM 35 CG LYS Y 5 246.787 232.082 103.804 1.00 0.00 ATOM 36 CD LYS Y 5 245.739 232.541 104.771 1.00 0.00 ATOM 37 CE LYS Y 5 244.355 232.236 104.240 1.00 0.00 ATOM 38 NZ LYS Y 5 243.288 232.660 105.191 1.00 0.00 ATOM 39 N LYS Y 6 249.611 233.805 101.955 1.00 0.00 ATOM 40 CA LYS Y 6 249.561 234.413 100.644 1.00 0.00 ATOM 41 C LYS Y 6 250.669 233.973 99.715 1.00 0.00 ATOM 42 O LYS Y 6 250.402 233.805 98.528 1.00 0.00 ATOM 43 CB LYS Y 6 249.533 235.914 100.735 1.00 0.00 ATOM 44 CG LYS Y 6 248.219 236.542 101.181 1.00 0.00 ATOM 45 CD LYS Y 6 247.122 236.333 100.135 1.00 0.00 ATOM 46 CE LYS Y 6 245.871 237.130 100.441 1.00 0.00 ATOM 47 NZ LYS Y 6 244.785 236.869 99.434 1.00 0.00 ATOM 48 N LYS Y 7 251.895 233.770 100.206 1.00 0.00 ATOM 49 CA LYS Y 7 252.968 233.360 99.315 1.00 0.00 ATOM 50 C LYS Y 7 252.677 231.971 98.787 1.00 0.00 ATOM 51 O LYS Y 7 253.017 231.654 97.659 1.00 0.00 ATOM 52 CB LYS Y 7 254.309 233.464 100.003 1.00 0.00 ATOM 53 CG LYS Y 7 254.751 234.917 100.245 1.00 0.00 ATOM 54 CD LYS Y 7 256.055 234.971 101.021 1.00 0.00 ATOM 55 CE LYS Y 7 256.458 236.384 101.376 1.00 0.00 ATOM 56 NZ LYS Y 7 257.769 236.411 102.098 1.00 0.00 ATOM 57 N MET Y 8 252.036 231.160 99.606 1.00 0.00 ATOM 58 CA MET Y 8 251.607 229.830 99.278 1.00 0.00 ATOM 59 C MET Y 8 250.620 229.862 98.175 1.00 0.00 ATOM 60 O MET Y 8 250.755 229.122 97.203 1.00 0.00 ATOM 61 CB MET Y 8 251.038 229.195 100.512 1.00 0.00 ATOM 62 CG MET Y 8 250.507 227.861 100.349 1.00 0.00 ATOM 63 SD MET Y 8 250.050 227.165 101.905 1.00 0.00 ATOM 64 CE MET Y 8 251.647 226.555 102.270 1.00 0.00 ATOM 65 N GLN Y 9 249.647 230.739 98.267 1.00 0.00 ATOM 66 CA GLN Y 9 248.704 230.816 97.188 1.00 0.00 ATOM 67 C GLN Y 9 249.399 231.318 95.938 1.00 0.00 ATOM 68 O GLN Y 9 249.183 230.783 94.856 1.00 0.00 ATOM 69 CB GLN Y 9 247.570 231.729 97.598 1.00 0.00 ATOM 70 CG GLN Y 9 246.758 231.158 98.737 1.00 0.00 ATOM 71 CD GLN Y 9 246.135 229.842 98.405 1.00 0.00 ATOM 72 OE1 GLN Y 9 245.644 229.632 97.289 1.00 0.00 ATOM 73 NE2 GLN Y 9 246.141 228.936 99.373 1.00 0.00 ATOM 74 N MET Y 10 250.302 232.291 96.087 1.00 0.00 ATOM 75 CA MET Y 10 250.998 232.825 94.933 1.00 0.00 ATOM 76 C MET Y 10 251.825 231.776 94.246 1.00 0.00 ATOM 77 O MET Y 10 251.757 231.638 93.034 1.00 0.00 ATOM 78 CB MET Y 10 251.942 233.930 95.354 1.00 0.00 ATOM 79 CG MET Y 10 251.308 235.197 95.822 1.00 0.00 ATOM 80 SD MET Y 10 252.503 236.254 96.659 1.00 0.00 ATOM 81 CE MET Y 10 253.536 236.794 95.320 1.00 0.00 ATOM 82 N LEU Y 11 252.589 231.006 94.999 1.00 0.00 ATOM 83 CA LEU Y 11 253.446 230.045 94.362 1.00 0.00 ATOM 84 C LEU Y 11 252.696 228.845 93.885 1.00 0.00 ATOM 85 O LEU Y 11 253.037 228.308 92.839 1.00 0.00 ATOM 86 CB LEU Y 11 254.544 229.587 95.273 1.00 0.00 ATOM 87 CG LEU Y 11 255.833 230.320 95.273 1.00 0.00 ATOM 88 CD1 LEU Y 11 255.666 231.738 95.828 1.00 0.00 ATOM 89 CD2 LEU Y 11 256.749 229.522 96.097 1.00 0.00 ATOM 90 N LYS Y 12 251.678 228.386 94.608 1.00 0.00 ATOM 91 CA LYS Y 12 250.978 227.244 94.079 1.00 0.00 ATOM 92 C LYS Y 12 250.301 227.643 92.790 1.00 0.00 ATOM 93 O LYS Y 12 250.334 226.900 91.814 1.00 0.00 ATOM 94 CB LYS Y 12 249.924 226.716 95.033 1.00 0.00 ATOM 95 CG LYS Y 12 250.447 226.027 96.232 1.00 0.00 ATOM 96 CD LYS Y 12 249.309 225.581 97.103 1.00 0.00 ATOM 97 CE LYS Y 12 249.773 224.811 98.325 1.00 0.00 ATOM 98 NZ LYS Y 12 248.610 224.456 99.203 1.00 0.00 ATOM 99 N LEU Y 13 249.713 228.830 92.747 1.00 0.00 ATOM 100 CA LEU Y 13 249.055 229.249 91.540 1.00 0.00 ATOM 101 C LEU Y 13 250.037 229.524 90.440 1.00 0.00 ATOM 102 O LEU Y 13 249.813 229.133 89.298 1.00 0.00 ATOM 103 CB LEU Y 13 248.234 230.498 91.811 1.00 0.00 ATOM 104 CG LEU Y 13 247.009 230.327 92.734 1.00 0.00 ATOM 105 CD1 LEU Y 13 246.479 231.707 93.091 1.00 0.00 ATOM 106 CD2 LEU Y 13 245.928 229.501 92.033 1.00 0.00 ATOM 107 N ASP Y 14 251.172 230.136 90.765 1.00 0.00 ATOM 108 CA ASP Y 14 252.105 230.464 89.725 1.00 0.00 ATOM 109 C ASP Y 14 252.776 229.219 89.188 1.00 0.00 ATOM 110 O ASP Y 14 253.031 229.158 87.984 1.00 0.00 ATOM 111 CB ASP Y 14 253.155 231.452 90.219 1.00 0.00 ATOM 112 CG ASP Y 14 252.656 232.859 90.482 1.00 0.00 ATOM 113 OD1 ASP Y 14 251.604 233.227 90.008 1.00 0.00 ATOM 114 OD2 ASP Y 14 253.366 233.582 91.147 1.00 0.00 ATOM 115 N LYS Y 15 253.069 228.226 90.047 1.00 0.00 ATOM 116 CA LYS Y 15 253.712 227.032 89.535 1.00 0.00 ATOM 117 C LYS Y 15 252.716 226.192 88.819 1.00 0.00 ATOM 118 O LYS Y 15 253.075 225.501 87.873 1.00 0.00 ATOM 119 CB LYS Y 15 254.382 226.168 90.620 1.00 0.00 ATOM 120 CG LYS Y 15 253.447 225.466 91.568 1.00 0.00 ATOM 121 CD LYS Y 15 253.099 223.987 91.176 1.00 0.00 ATOM 122 CE LYS Y 15 252.060 223.411 92.146 1.00 0.00 ATOM 123 NZ LYS Y 15 251.568 222.057 91.743 1.00 0.00 ATOM 124 N GLU Y 16 251.462 226.210 89.257 1.00 0.00 ATOM 125 CA GLU Y 16 250.499 225.382 88.603 1.00 0.00 ATOM 126 C GLU Y 16 250.234 225.964 87.251 1.00 0.00 ATOM 127 O GLU Y 16 250.051 225.227 86.284 1.00 0.00 ATOM 128 CB GLU Y 16 249.220 225.244 89.414 1.00 0.00 ATOM 129 CG GLU Y 16 248.234 224.246 88.831 1.00 0.00 ATOM 130 CD GLU Y 16 248.786 222.807 88.792 1.00 0.00 ATOM 131 OE1 GLU Y 16 249.729 222.489 89.517 1.00 0.00 ATOM 132 OE2 GLU Y 16 248.258 222.031 88.033 1.00 0.00 ATOM 133 N ASN Y 17 250.211 227.287 87.158 1.00 0.00 ATOM 134 CA ASN Y 17 249.964 227.901 85.888 1.00 0.00 ATOM 135 C ASN Y 17 251.170 227.710 84.999 1.00 0.00 ATOM 136 O ASN Y 17 251.018 227.414 83.815 1.00 0.00 ATOM 137 CB ASN Y 17 249.669 229.358 86.081 1.00 0.00 ATOM 138 CG ASN Y 17 248.339 229.571 86.719 1.00 0.00 ATOM 139 OD1 ASN Y 17 247.443 228.721 86.658 1.00 0.00 ATOM 140 ND2 ASN Y 17 248.180 230.701 87.352 1.00 0.00 ATOM 141 N ALA Y 18 252.377 227.839 85.552 1.00 0.00 ATOM 142 CA ALA Y 18 253.561 227.648 84.752 1.00 0.00 ATOM 143 C ALA Y 18 253.657 226.222 84.287 1.00 0.00 ATOM 144 O ALA Y 18 254.076 225.975 83.159 1.00 0.00 ATOM 145 CB ALA Y 18 254.778 228.047 85.533 1.00 0.00 ATOM 146 N LEU Y 19 253.251 225.281 85.133 1.00 0.00 ATOM 147 CA LEU Y 19 253.280 223.878 84.797 1.00 0.00 ATOM 148 C LEU Y 19 252.231 223.586 83.780 1.00 0.00 ATOM 149 O LEU Y 19 252.503 222.896 82.804 1.00 0.00 ATOM 150 CB LEU Y 19 253.134 223.028 86.042 1.00 0.00 ATOM 151 CG LEU Y 19 253.225 221.518 85.846 1.00 0.00 ATOM 152 CD1 LEU Y 19 254.580 221.121 85.196 1.00 0.00 ATOM 153 CD2 LEU Y 19 253.068 220.866 87.208 1.00 0.00 ATOM 154 N ASP Y 20 251.055 224.173 83.920 1.00 0.00 ATOM 155 CA ASP Y 20 250.025 223.960 82.942 1.00 0.00 ATOM 156 C ASP Y 20 250.562 224.468 81.609 1.00 0.00 ATOM 157 O ASP Y 20 250.414 223.798 80.587 1.00 0.00 ATOM 158 CB ASP Y 20 248.749 224.689 83.399 1.00 0.00 ATOM 159 CG ASP Y 20 247.520 224.491 82.544 1.00 0.00 ATOM 160 OD1 ASP Y 20 247.315 223.423 82.018 1.00 0.00 ATOM 161 OD2 ASP Y 20 246.764 225.430 82.414 1.00 0.00 ATOM 162 N ARG Y 21 251.268 225.605 81.622 1.00 0.00 ATOM 163 CA ARG Y 21 251.860 226.100 80.403 1.00 0.00 ATOM 164 C ARG Y 21 252.936 225.151 79.895 1.00 0.00 ATOM 165 O ARG Y 21 252.990 224.903 78.698 1.00 0.00 ATOM 166 CB ARG Y 21 252.478 227.475 80.582 1.00 0.00 ATOM 167 CG ARG Y 21 251.524 228.610 80.745 1.00 0.00 ATOM 168 CD ARG Y 21 252.221 229.929 80.613 1.00 0.00 ATOM 169 NE ARG Y 21 253.209 230.183 81.685 1.00 0.00 ATOM 170 CZ ARG Y 21 252.932 230.744 82.887 1.00 0.00 ATOM 171 NH1 ARG Y 21 251.702 231.084 83.201 1.00 0.00 ATOM 172 NH2 ARG Y 21 253.898 230.954 83.760 1.00 0.00 ATOM 173 N ALA Y 22 253.774 224.591 80.774 1.00 0.00 ATOM 174 CA ALA Y 22 254.818 223.674 80.322 1.00 0.00 ATOM 175 C ALA Y 22 254.237 222.457 79.661 1.00 0.00 ATOM 176 O ALA Y 22 254.734 221.980 78.627 1.00 0.00 ATOM 177 CB ALA Y 22 255.663 223.222 81.491 1.00 0.00 ATOM 178 N GLU Y 23 253.169 221.956 80.245 1.00 0.00 ATOM 179 CA GLU Y 23 252.545 220.771 79.742 1.00 0.00 ATOM 180 C GLU Y 23 251.853 221.037 78.432 1.00 0.00 ATOM 181 O GLU Y 23 251.969 220.216 77.527 1.00 0.00 ATOM 182 CB GLU Y 23 251.590 220.226 80.789 1.00 0.00 ATOM 183 CG GLU Y 23 252.311 219.661 82.028 1.00 0.00 ATOM 184 CD GLU Y 23 251.375 219.278 83.110 1.00 0.00 ATOM 185 OE1 GLU Y 23 250.217 219.576 82.979 1.00 0.00 ATOM 186 OE2 GLU Y 23 251.805 218.683 84.068 1.00 0.00 ATOM 187 N GLN Y 24 251.174 222.177 78.306 1.00 0.00 ATOM 188 CA GLN Y 24 250.492 222.525 77.071 1.00 0.00 ATOM 189 C GLN Y 24 251.476 222.862 75.985 1.00 0.00 ATOM 190 O GLN Y 24 251.321 222.495 74.825 1.00 0.00 ATOM 191 CB GLN Y 24 249.605 223.732 77.291 1.00 0.00 ATOM 192 CG GLN Y 24 248.425 223.489 78.159 1.00 0.00 ATOM 193 CD GLN Y 24 247.727 224.771 78.451 1.00 0.00 ATOM 194 OE1 GLN Y 24 247.813 225.720 77.661 1.00 0.00 ATOM 195 NE2 GLN Y 24 247.045 224.837 79.560 1.00 0.00 ATOM 196 N ALA Y 25 252.542 223.542 76.358 1.00 0.00 ATOM 197 CA ALA Y 25 253.492 223.962 75.375 1.00 0.00 ATOM 198 C ALA Y 25 254.043 222.758 74.650 1.00 0.00 ATOM 199 O ALA Y 25 254.197 222.795 73.436 1.00 0.00 ATOM 200 CB ALA Y 25 254.574 224.743 76.049 1.00 0.00 ATOM 201 N GLU Y 26 254.280 221.664 75.369 1.00 0.00 ATOM 202 CA GLU Y 26 254.733 220.481 74.682 1.00 0.00 ATOM 203 C GLU Y 26 253.556 219.696 74.087 1.00 0.00 ATOM 204 O GLU Y 26 253.591 219.295 72.923 1.00 0.00 ATOM 205 CB GLU Y 26 255.498 219.587 75.654 1.00 0.00 ATOM 206 CG GLU Y 26 256.333 218.516 74.994 1.00 0.00 ATOM 207 CD GLU Y 26 255.560 217.292 74.584 1.00 0.00 ATOM 208 OE1 GLU Y 26 254.623 216.935 75.253 1.00 0.00 ATOM 209 OE2 GLU Y 26 255.905 216.724 73.566 1.00 0.00 ATOM 210 N ALA Y 27 252.476 219.539 74.866 1.00 0.00 ATOM 211 CA ALA Y 27 251.323 218.719 74.508 1.00 0.00 ATOM 212 C ALA Y 27 250.620 219.177 73.261 1.00 0.00 ATOM 213 O ALA Y 27 250.031 218.355 72.561 1.00 0.00 ATOM 214 CB ALA Y 27 250.322 218.670 75.633 1.00 0.00 ATOM 215 N ASP Y 28 250.664 220.463 72.960 1.00 0.00 ATOM 216 CA ASP Y 28 250.029 220.984 71.767 1.00 0.00 ATOM 217 C ASP Y 28 250.616 220.386 70.486 1.00 0.00 ATOM 218 O ASP Y 28 249.936 220.368 69.457 1.00 0.00 ATOM 219 CB ASP Y 28 250.158 222.506 71.712 1.00 0.00 ATOM 220 CG ASP Y 28 249.258 223.251 72.707 1.00 0.00 ATOM 221 OD1 ASP Y 28 248.360 222.651 73.268 1.00 0.00 ATOM 222 OD2 ASP Y 28 249.463 224.430 72.871 1.00 0.00 ATOM 223 N LYS Y 29 251.864 219.919 70.559 1.00 0.00 ATOM 224 CA LYS Y 29 252.593 219.338 69.446 1.00 0.00 ATOM 225 C LYS Y 29 252.725 220.311 68.288 1.00 0.00 ATOM 226 O LYS Y 29 252.399 221.487 68.433 1.00 0.00 ATOM 227 CB LYS Y 29 251.938 218.042 68.972 1.00 0.00 ATOM 228 CG LYS Y 29 251.800 216.979 70.053 1.00 0.00 ATOM 229 CD LYS Y 29 253.133 216.494 70.624 1.00 0.00 ATOM 230 CE LYS Y 29 252.895 215.424 71.679 1.00 0.00 ATOM 231 NZ LYS Y 29 254.171 214.891 72.257 1.00 0.00 TER