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 Z -1 284 PDB 7KO7 7KO7 -1 284 SEQRES 1 S 29 MET ASP ALA ILE LYS LYS LYS MET GLN MET LEU LYS LEU SEQRES 2 S 29 ASP LYS GLU ASN ALA LEU ASP ARG ALA GLU GLN ALA GLU SEQRES 3 S 29 ALA ASP LYS ATOM 1 N MET Z 1 261.081 230.264 109.012 1.00 0.00 ATOM 2 CA MET Z 1 260.598 228.941 109.186 1.00 0.00 ATOM 3 C MET Z 1 261.062 228.243 107.942 1.00 0.00 ATOM 4 O MET Z 1 260.942 228.789 106.847 1.00 0.00 ATOM 5 CB MET Z 1 259.078 228.953 109.377 1.00 0.00 ATOM 6 CG MET Z 1 258.470 227.631 109.415 1.00 0.00 ATOM 7 SD MET Z 1 259.022 226.659 110.752 1.00 0.00 ATOM 8 CE MET Z 1 258.704 225.050 110.031 1.00 0.00 ATOM 9 N ASP Z 2 261.579 227.038 108.056 1.00 0.00 ATOM 10 CA ASP Z 2 262.060 226.409 106.850 1.00 0.00 ATOM 11 C ASP Z 2 260.982 226.211 105.833 1.00 0.00 ATOM 12 O ASP Z 2 261.202 226.382 104.642 1.00 0.00 ATOM 13 CB ASP Z 2 262.653 225.052 107.154 1.00 0.00 ATOM 14 CG ASP Z 2 263.985 225.105 107.836 1.00 0.00 ATOM 15 OD1 ASP Z 2 264.593 226.143 107.895 1.00 0.00 ATOM 16 OD2 ASP Z 2 264.419 224.064 108.252 1.00 0.00 ATOM 17 N ALA Z 3 259.783 225.896 106.268 1.00 0.00 ATOM 18 CA ALA Z 3 258.753 225.650 105.290 1.00 0.00 ATOM 19 C ALA Z 3 258.511 226.861 104.420 1.00 0.00 ATOM 20 O ALA Z 3 258.397 226.743 103.202 1.00 0.00 ATOM 21 CB ALA Z 3 257.475 225.267 105.984 1.00 0.00 ATOM 22 N ILE Z 4 258.535 228.043 105.013 1.00 0.00 ATOM 23 CA ILE Z 4 258.225 229.205 104.229 1.00 0.00 ATOM 24 C ILE Z 4 259.424 229.608 103.406 1.00 0.00 ATOM 25 O ILE Z 4 259.287 229.974 102.245 1.00 0.00 ATOM 26 CB ILE Z 4 257.714 230.372 105.114 1.00 0.00 ATOM 27 CG1 ILE Z 4 258.836 230.962 106.040 1.00 0.00 ATOM 28 CG2 ILE Z 4 256.550 229.829 105.967 1.00 0.00 ATOM 29 CD1 ILE Z 4 258.485 232.191 106.820 1.00 0.00 ATOM 30 N LYS Z 5 260.626 229.488 103.949 1.00 0.00 ATOM 31 CA LYS Z 5 261.745 229.925 103.159 1.00 0.00 ATOM 32 C LYS Z 5 261.992 228.992 102.010 1.00 0.00 ATOM 33 O LYS Z 5 262.151 229.428 100.864 1.00 0.00 ATOM 34 CB LYS Z 5 262.982 230.073 104.018 1.00 0.00 ATOM 35 CG LYS Z 5 264.171 230.605 103.279 1.00 0.00 ATOM 36 CD LYS Z 5 265.321 230.878 104.197 1.00 0.00 ATOM 37 CE LYS Z 5 266.497 231.437 103.422 1.00 0.00 ATOM 38 NZ LYS Z 5 267.657 231.739 104.308 1.00 0.00 ATOM 39 N LYS Z 6 261.970 227.705 102.293 1.00 0.00 ATOM 40 CA LYS Z 6 262.272 226.734 101.285 1.00 0.00 ATOM 41 C LYS Z 6 261.208 226.688 100.222 1.00 0.00 ATOM 42 O LYS Z 6 261.543 226.631 99.039 1.00 0.00 ATOM 43 CB LYS Z 6 262.447 225.368 101.927 1.00 0.00 ATOM 44 CG LYS Z 6 263.689 225.274 102.790 1.00 0.00 ATOM 45 CD LYS Z 6 263.847 223.905 103.434 1.00 0.00 ATOM 46 CE LYS Z 6 265.068 223.891 104.363 1.00 0.00 ATOM 47 NZ LYS Z 6 265.276 222.560 105.028 1.00 0.00 ATOM 48 N LYS Z 7 259.932 226.757 100.591 1.00 0.00 ATOM 49 CA LYS Z 7 258.955 226.685 99.544 1.00 0.00 ATOM 50 C LYS Z 7 258.762 228.022 98.895 1.00 0.00 ATOM 51 O LYS Z 7 258.420 228.070 97.726 1.00 0.00 ATOM 52 CB LYS Z 7 257.650 226.091 99.996 1.00 0.00 ATOM 53 CG LYS Z 7 257.607 224.568 99.933 1.00 0.00 ATOM 54 CD LYS Z 7 258.306 223.905 101.122 1.00 0.00 ATOM 55 CE LYS Z 7 258.102 222.396 101.071 1.00 0.00 ATOM 56 NZ LYS Z 7 258.804 221.667 102.178 1.00 0.00 ATOM 57 N MET Z 8 258.947 229.145 99.586 1.00 0.00 ATOM 58 CA MET Z 8 258.758 230.357 98.834 1.00 0.00 ATOM 59 C MET Z 8 259.798 230.388 97.749 1.00 0.00 ATOM 60 O MET Z 8 259.483 230.733 96.613 1.00 0.00 ATOM 61 CB MET Z 8 258.800 231.601 99.686 1.00 0.00 ATOM 62 CG MET Z 8 258.437 232.890 98.907 1.00 0.00 ATOM 63 SD MET Z 8 258.352 234.366 99.863 1.00 0.00 ATOM 64 CE MET Z 8 256.979 234.053 100.924 1.00 0.00 ATOM 65 N GLN Z 9 261.035 229.989 98.053 1.00 0.00 ATOM 66 CA GLN Z 9 262.017 230.025 96.992 1.00 0.00 ATOM 67 C GLN Z 9 261.719 228.971 95.933 1.00 0.00 ATOM 68 O GLN Z 9 261.831 229.264 94.746 1.00 0.00 ATOM 69 CB GLN Z 9 263.421 229.860 97.556 1.00 0.00 ATOM 70 CG GLN Z 9 263.810 231.056 98.367 1.00 0.00 ATOM 71 CD GLN Z 9 265.158 231.025 99.015 1.00 0.00 ATOM 72 OE1 GLN Z 9 265.752 229.960 99.188 1.00 0.00 ATOM 73 NE2 GLN Z 9 265.666 232.212 99.393 1.00 0.00 ATOM 74 N MET Z 10 261.290 227.766 96.315 1.00 0.00 ATOM 75 CA MET Z 10 261.024 226.761 95.297 1.00 0.00 ATOM 76 C MET Z 10 259.837 227.077 94.426 1.00 0.00 ATOM 77 O MET Z 10 259.875 226.809 93.233 1.00 0.00 ATOM 78 CB MET Z 10 260.840 225.398 95.911 1.00 0.00 ATOM 79 CG MET Z 10 262.112 224.795 96.428 1.00 0.00 ATOM 80 SD MET Z 10 261.905 223.109 96.969 1.00 0.00 ATOM 81 CE MET Z 10 261.087 223.346 98.534 1.00 0.00 ATOM 82 N LEU Z 11 258.804 227.686 94.988 1.00 0.00 ATOM 83 CA LEU Z 11 257.630 227.995 94.212 1.00 0.00 ATOM 84 C LEU Z 11 257.967 229.189 93.329 1.00 0.00 ATOM 85 O LEU Z 11 257.509 229.265 92.186 1.00 0.00 ATOM 86 CB LEU Z 11 256.458 228.245 95.161 1.00 0.00 ATOM 87 CG LEU Z 11 255.630 226.951 95.641 1.00 0.00 ATOM 88 CD1 LEU Z 11 254.737 226.508 94.567 1.00 0.00 ATOM 89 CD2 LEU Z 11 256.584 225.812 96.063 1.00 0.00 ATOM 90 N LYS Z 12 258.816 230.101 93.838 1.00 0.00 ATOM 91 CA LYS Z 12 259.283 231.233 93.062 1.00 0.00 ATOM 92 C LYS Z 12 260.056 230.692 91.867 1.00 0.00 ATOM 93 O LYS Z 12 259.883 231.172 90.746 1.00 0.00 ATOM 94 CB LYS Z 12 260.201 232.126 93.898 1.00 0.00 ATOM 95 CG LYS Z 12 260.600 233.440 93.264 1.00 0.00 ATOM 96 CD LYS Z 12 261.720 234.150 94.080 1.00 0.00 ATOM 97 CE LYS Z 12 261.298 234.540 95.517 1.00 0.00 ATOM 98 NZ LYS Z 12 262.361 235.380 96.190 1.00 0.00 ATOM 99 N LEU Z 13 260.900 229.681 92.107 1.00 0.00 ATOM 100 CA LEU Z 13 261.663 229.056 91.048 1.00 0.00 ATOM 101 C LEU Z 13 260.774 228.297 90.098 1.00 0.00 ATOM 102 O LEU Z 13 260.977 228.376 88.896 1.00 0.00 ATOM 103 CB LEU Z 13 262.716 228.118 91.623 1.00 0.00 ATOM 104 CG LEU Z 13 263.890 228.776 92.365 1.00 0.00 ATOM 105 CD1 LEU Z 13 264.678 227.693 93.084 1.00 0.00 ATOM 106 CD2 LEU Z 13 264.789 229.513 91.375 1.00 0.00 ATOM 107 N ASP Z 14 259.725 227.621 90.577 1.00 0.00 ATOM 108 CA ASP Z 14 258.868 226.941 89.625 1.00 0.00 ATOM 109 C ASP Z 14 258.306 227.973 88.676 1.00 0.00 ATOM 110 O ASP Z 14 258.244 227.727 87.470 1.00 0.00 ATOM 111 CB ASP Z 14 257.691 226.221 90.298 1.00 0.00 ATOM 112 CG ASP Z 14 258.046 224.938 91.053 1.00 0.00 ATOM 113 OD1 ASP Z 14 259.110 224.401 90.852 1.00 0.00 ATOM 114 OD2 ASP Z 14 257.222 224.497 91.824 1.00 0.00 ATOM 115 N LYS Z 15 257.947 229.149 89.204 1.00 0.00 ATOM 116 CA LYS Z 15 257.417 230.219 88.382 1.00 0.00 ATOM 117 C LYS Z 15 258.422 230.733 87.390 1.00 0.00 ATOM 118 O LYS Z 15 258.089 230.915 86.220 1.00 0.00 ATOM 119 CB LYS Z 15 256.958 231.384 89.253 1.00 0.00 ATOM 120 CG LYS Z 15 256.303 232.517 88.522 1.00 0.00 ATOM 121 CD LYS Z 15 257.181 233.751 88.304 1.00 0.00 ATOM 122 CE LYS Z 15 257.359 234.555 89.607 1.00 0.00 ATOM 123 NZ LYS Z 15 258.168 235.773 89.392 1.00 0.00 ATOM 124 N GLU Z 16 259.642 231.004 87.847 1.00 0.00 ATOM 125 CA GLU Z 16 260.667 231.556 86.978 1.00 0.00 ATOM 126 C GLU Z 16 261.083 230.562 85.925 1.00 0.00 ATOM 127 O GLU Z 16 261.323 230.924 84.772 1.00 0.00 ATOM 128 CB GLU Z 16 261.893 231.960 87.796 1.00 0.00 ATOM 129 CG GLU Z 16 261.704 233.187 88.681 1.00 0.00 ATOM 130 CD GLU Z 16 261.551 234.444 87.876 1.00 0.00 ATOM 131 OE1 GLU Z 16 262.350 234.644 87.004 1.00 0.00 ATOM 132 OE2 GLU Z 16 260.635 235.205 88.117 1.00 0.00 ATOM 133 N ASN Z 17 261.141 229.302 86.305 1.00 0.00 ATOM 134 CA ASN Z 17 261.569 228.284 85.396 1.00 0.00 ATOM 135 C ASN Z 17 260.472 228.033 84.401 1.00 0.00 ATOM 136 O ASN Z 17 260.733 227.854 83.215 1.00 0.00 ATOM 137 CB ASN Z 17 261.868 227.024 86.163 1.00 0.00 ATOM 138 CG ASN Z 17 263.074 227.160 87.034 1.00 0.00 ATOM 139 OD1 ASN Z 17 263.952 228.001 86.818 1.00 0.00 ATOM 140 ND2 ASN Z 17 263.134 226.337 88.039 1.00 0.00 ATOM 141 N ALA Z 18 259.228 228.026 84.872 1.00 0.00 ATOM 142 CA ALA Z 18 258.100 227.810 84.008 1.00 0.00 ATOM 143 C ALA Z 18 257.920 228.969 83.070 1.00 0.00 ATOM 144 O ALA Z 18 257.583 228.785 81.906 1.00 0.00 ATOM 145 CB ALA Z 18 256.880 227.599 84.817 1.00 0.00 ATOM 146 N LEU Z 19 258.190 230.168 83.545 1.00 0.00 ATOM 147 CA LEU Z 19 258.061 231.335 82.723 1.00 0.00 ATOM 148 C LEU Z 19 259.073 231.239 81.602 1.00 0.00 ATOM 149 O LEU Z 19 258.720 231.449 80.437 1.00 0.00 ATOM 150 CB LEU Z 19 258.261 232.573 83.589 1.00 0.00 ATOM 151 CG LEU Z 19 258.038 233.940 82.970 1.00 0.00 ATOM 152 CD1 LEU Z 19 257.608 234.877 84.098 1.00 0.00 ATOM 153 CD2 LEU Z 19 259.341 234.463 82.302 1.00 0.00 ATOM 154 N ASP Z 20 260.324 230.880 81.928 1.00 0.00 ATOM 155 CA ASP Z 20 261.334 230.770 80.895 1.00 0.00 ATOM 156 C ASP Z 20 261.003 229.634 79.949 1.00 0.00 ATOM 157 O ASP Z 20 261.223 229.755 78.742 1.00 0.00 ATOM 158 CB ASP Z 20 262.714 230.509 81.492 1.00 0.00 ATOM 159 CG ASP Z 20 263.342 231.702 82.203 1.00 0.00 ATOM 160 OD1 ASP Z 20 262.871 232.803 82.078 1.00 0.00 ATOM 161 OD2 ASP Z 20 264.337 231.490 82.848 1.00 0.00 ATOM 162 N ARG Z 21 260.453 228.534 80.478 1.00 0.00 ATOM 163 CA ARG Z 21 260.061 227.414 79.647 1.00 0.00 ATOM 164 C ARG Z 21 258.938 227.811 78.730 1.00 0.00 ATOM 165 O ARG Z 21 258.868 227.334 77.604 1.00 0.00 ATOM 166 CB ARG Z 21 259.633 226.216 80.466 1.00 0.00 ATOM 167 CG ARG Z 21 260.762 225.412 81.079 1.00 0.00 ATOM 168 CD ARG Z 21 260.261 224.298 81.949 1.00 0.00 ATOM 169 NE ARG Z 21 259.845 224.756 83.280 1.00 0.00 ATOM 170 CZ ARG Z 21 259.094 224.042 84.167 1.00 0.00 ATOM 171 NH1 ARG Z 21 258.642 222.844 83.846 1.00 0.00 ATOM 172 NH2 ARG Z 21 258.827 224.537 85.370 1.00 0.00 ATOM 173 N ALA Z 22 258.022 228.647 79.200 1.00 0.00 ATOM 174 CA ALA Z 22 256.950 229.067 78.338 1.00 0.00 ATOM 175 C ALA Z 22 257.482 229.873 77.195 1.00 0.00 ATOM 176 O ALA Z 22 257.109 229.642 76.052 1.00 0.00 ATOM 177 CB ALA Z 22 255.957 229.894 79.104 1.00 0.00 ATOM 178 N GLU Z 23 258.427 230.761 77.483 1.00 0.00 ATOM 179 CA GLU Z 23 258.980 231.592 76.436 1.00 0.00 ATOM 180 C GLU Z 23 259.786 230.764 75.458 1.00 0.00 ATOM 181 O GLU Z 23 259.710 230.962 74.243 1.00 0.00 ATOM 182 CB GLU Z 23 259.860 232.672 77.051 1.00 0.00 ATOM 183 CG GLU Z 23 259.104 233.712 77.853 1.00 0.00 ATOM 184 CD GLU Z 23 260.019 234.685 78.515 1.00 0.00 ATOM 185 OE1 GLU Z 23 261.205 234.491 78.429 1.00 0.00 ATOM 186 OE2 GLU Z 23 259.536 235.625 79.100 1.00 0.00 ATOM 187 N GLN Z 24 260.531 229.805 75.990 1.00 0.00 ATOM 188 CA GLN Z 24 261.369 228.958 75.183 1.00 0.00 ATOM 189 C GLN Z 24 260.541 228.039 74.313 1.00 0.00 ATOM 190 O GLN Z 24 260.760 227.953 73.101 1.00 0.00 ATOM 191 CB GLN Z 24 262.274 228.134 76.101 1.00 0.00 ATOM 192 CG GLN Z 24 263.296 227.307 75.394 1.00 0.00 ATOM 193 CD GLN Z 24 262.721 226.007 74.904 1.00 0.00 ATOM 194 OE1 GLN Z 24 261.899 225.355 75.569 1.00 0.00 ATOM 195 NE2 GLN Z 24 263.134 225.649 73.708 1.00 0.00 ATOM 196 N ALA Z 25 259.595 227.345 74.925 1.00 0.00 ATOM 197 CA ALA Z 25 258.771 226.424 74.197 1.00 0.00 ATOM 198 C ALA Z 25 257.913 227.166 73.207 1.00 0.00 ATOM 199 O ALA Z 25 257.676 226.660 72.115 1.00 0.00 ATOM 200 CB ALA Z 25 257.934 225.621 75.143 1.00 0.00 ATOM 201 N GLU Z 26 257.447 228.367 73.560 1.00 0.00 ATOM 202 CA GLU Z 26 256.626 229.126 72.648 1.00 0.00 ATOM 203 C GLU Z 26 257.454 229.506 71.449 1.00 0.00 ATOM 204 O GLU Z 26 256.964 229.488 70.329 1.00 0.00 ATOM 205 CB GLU Z 26 256.037 230.359 73.323 1.00 0.00 ATOM 206 CG GLU Z 26 255.098 231.138 72.451 1.00 0.00 ATOM 207 CD GLU Z 26 254.437 232.255 73.177 1.00 0.00 ATOM 208 OE1 GLU Z 26 254.705 232.432 74.336 1.00 0.00 ATOM 209 OE2 GLU Z 26 253.652 232.938 72.569 1.00 0.00 ATOM 210 N ALA Z 27 258.717 229.880 71.669 1.00 0.00 ATOM 211 CA ALA Z 27 259.598 230.217 70.566 1.00 0.00 ATOM 212 C ALA Z 27 259.795 229.016 69.637 1.00 0.00 ATOM 213 O ALA Z 27 259.845 229.179 68.415 1.00 0.00 ATOM 214 CB ALA Z 27 260.938 230.688 71.098 1.00 0.00 ATOM 215 N ASP Z 28 259.860 227.808 70.214 1.00 0.00 ATOM 216 CA ASP Z 28 260.002 226.587 69.420 1.00 0.00 ATOM 217 C ASP Z 28 258.715 226.222 68.682 1.00 0.00 ATOM 218 O ASP Z 28 258.757 225.630 67.598 1.00 0.00 ATOM 219 CB ASP Z 28 260.322 225.360 70.287 1.00 0.00 ATOM 220 CG ASP Z 28 261.679 225.255 70.908 1.00 0.00 ATOM 221 OD1 ASP Z 28 262.583 225.982 70.564 1.00 0.00 ATOM 222 OD2 ASP Z 28 261.810 224.378 71.748 1.00 0.00 ATOM 223 N LYS Z 29 257.575 226.543 69.290 1.00 0.00 ATOM 224 CA LYS Z 29 256.262 226.196 68.780 1.00 0.00 ATOM 225 C LYS Z 29 255.505 227.428 68.279 1.00 0.00 ATOM 226 O LYS Z 29 255.771 227.908 67.175 1.00 0.00 ATOM 227 CB LYS Z 29 255.457 225.512 69.890 1.00 0.00 ATOM 228 CG LYS Z 29 255.718 224.024 70.075 1.00 0.00 ATOM 229 CD LYS Z 29 257.095 223.650 70.575 1.00 0.00 ATOM 230 CE LYS Z 29 257.174 222.158 70.804 1.00 0.00 ATOM 231 NZ LYS Z 29 258.569 221.692 71.126 1.00 0.00 TER