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 Y -1 284 PDB 7KON 7KON -1 284 SEQRES 1 Y 29 MET ASP ALA ILE LYS LYS LYS MET GLN MET LEU LYS LEU SEQRES 2 Y 29 ASP LYS GLU ASN ALA LEU ASP ARG ALA GLU GLN ALA GLU SEQRES 3 Y 29 ALA ASP LYS ATOM 1 N MET S 1 176.062 211.274 81.838 1.00 0.00 ATOM 2 CA MET S 1 177.270 212.057 81.951 1.00 0.00 ATOM 3 C MET S 1 177.279 213.039 80.828 1.00 0.00 ATOM 4 O MET S 1 176.969 212.675 79.696 1.00 0.00 ATOM 5 CB MET S 1 178.465 211.124 81.880 1.00 0.00 ATOM 6 CG MET S 1 179.816 211.723 81.914 1.00 0.00 ATOM 7 SD MET S 1 180.237 212.518 83.419 1.00 0.00 ATOM 8 CE MET S 1 181.567 213.570 82.846 1.00 0.00 ATOM 9 N ASP S 2 177.682 214.270 81.087 1.00 0.00 ATOM 10 CA ASP S 2 177.689 215.233 80.002 1.00 0.00 ATOM 11 C ASP S 2 178.735 214.903 78.978 1.00 0.00 ATOM 12 O ASP S 2 178.523 215.075 77.781 1.00 0.00 ATOM 13 CB ASP S 2 177.980 216.615 80.543 1.00 0.00 ATOM 14 CG ASP S 2 176.863 217.177 81.366 1.00 0.00 ATOM 15 OD1 ASP S 2 175.760 216.701 81.289 1.00 0.00 ATOM 16 OD2 ASP S 2 177.135 218.082 82.107 1.00 0.00 ATOM 17 N ALA S 3 179.886 214.430 79.428 1.00 0.00 ATOM 18 CA ALA S 3 180.941 214.128 78.482 1.00 0.00 ATOM 19 C ALA S 3 180.533 213.001 77.572 1.00 0.00 ATOM 20 O ALA S 3 180.720 213.081 76.367 1.00 0.00 ATOM 21 CB ALA S 3 182.201 213.738 79.200 1.00 0.00 ATOM 22 N ILE S 4 179.884 211.991 78.124 1.00 0.00 ATOM 23 CA ILE S 4 179.493 210.873 77.305 1.00 0.00 ATOM 24 C ILE S 4 178.352 211.274 76.430 1.00 0.00 ATOM 25 O ILE S 4 178.400 211.112 75.224 1.00 0.00 ATOM 26 CB ILE S 4 179.095 209.690 78.171 1.00 0.00 ATOM 27 CG1 ILE S 4 177.877 210.123 79.049 1.00 0.00 ATOM 28 CG2 ILE S 4 180.331 209.240 79.028 1.00 0.00 ATOM 29 CD1 ILE S 4 177.195 209.015 79.833 1.00 0.00 ATOM 30 N LYS S 5 177.327 211.880 76.997 1.00 0.00 ATOM 31 CA LYS S 5 176.211 212.252 76.169 1.00 0.00 ATOM 32 C LYS S 5 176.627 213.134 75.018 1.00 0.00 ATOM 33 O LYS S 5 176.220 212.908 73.871 1.00 0.00 ATOM 34 CB LYS S 5 175.171 212.959 77.016 1.00 0.00 ATOM 35 CG LYS S 5 173.933 213.437 76.278 1.00 0.00 ATOM 36 CD LYS S 5 172.950 214.003 77.264 1.00 0.00 ATOM 37 CE LYS S 5 171.677 214.459 76.609 1.00 0.00 ATOM 38 NZ LYS S 5 170.732 215.038 77.615 1.00 0.00 ATOM 39 N LYS S 6 177.453 214.132 75.303 1.00 0.00 ATOM 40 CA LYS S 6 177.865 215.035 74.276 1.00 0.00 ATOM 41 C LYS S 6 178.806 214.430 73.285 1.00 0.00 ATOM 42 O LYS S 6 178.654 214.670 72.092 1.00 0.00 ATOM 43 CB LYS S 6 178.541 216.264 74.877 1.00 0.00 ATOM 44 CG LYS S 6 179.037 217.299 73.846 1.00 0.00 ATOM 45 CD LYS S 6 177.895 217.922 73.061 1.00 0.00 ATOM 46 CE LYS S 6 178.394 219.009 72.137 1.00 0.00 ATOM 47 NZ LYS S 6 177.283 219.610 71.353 1.00 0.00 ATOM 48 N LYS S 7 179.770 213.648 73.738 1.00 0.00 ATOM 49 CA LYS S 7 180.743 213.165 72.810 1.00 0.00 ATOM 50 C LYS S 7 180.178 211.974 72.039 1.00 0.00 ATOM 51 O LYS S 7 180.528 211.776 70.875 1.00 0.00 ATOM 52 CB LYS S 7 182.037 213.006 73.565 1.00 0.00 ATOM 53 CG LYS S 7 182.503 214.410 74.041 1.00 0.00 ATOM 54 CD LYS S 7 183.763 214.387 74.822 1.00 0.00 ATOM 55 CE LYS S 7 184.109 215.743 75.417 1.00 0.00 ATOM 56 NZ LYS S 7 184.478 216.749 74.381 1.00 0.00 ATOM 57 N MET S 8 179.211 211.264 72.612 1.00 0.00 ATOM 58 CA MET S 8 178.525 210.263 71.831 1.00 0.00 ATOM 59 C MET S 8 177.801 210.985 70.739 1.00 0.00 ATOM 60 O MET S 8 177.916 210.603 69.576 1.00 0.00 ATOM 61 CB MET S 8 177.519 209.499 72.642 1.00 0.00 ATOM 62 CG MET S 8 178.050 208.655 73.640 1.00 0.00 ATOM 63 SD MET S 8 176.753 207.960 74.481 1.00 0.00 ATOM 64 CE MET S 8 176.265 206.945 73.297 1.00 0.00 ATOM 65 N GLN S 9 177.164 212.120 71.068 1.00 0.00 ATOM 66 CA GLN S 9 176.515 212.872 70.026 1.00 0.00 ATOM 67 C GLN S 9 177.546 213.383 69.057 1.00 0.00 ATOM 68 O GLN S 9 177.275 213.411 67.875 1.00 0.00 ATOM 69 CB GLN S 9 175.649 214.005 70.547 1.00 0.00 ATOM 70 CG GLN S 9 174.870 214.767 69.427 1.00 0.00 ATOM 71 CD GLN S 9 173.861 213.887 68.611 1.00 0.00 ATOM 72 OE1 GLN S 9 173.082 213.131 69.199 1.00 0.00 ATOM 73 NE2 GLN S 9 173.883 214.016 67.272 1.00 0.00 ATOM 74 N MET S 10 178.745 213.737 69.506 1.00 0.00 ATOM 75 CA MET S 10 179.731 214.189 68.539 1.00 0.00 ATOM 76 C MET S 10 180.118 213.080 67.585 1.00 0.00 ATOM 77 O MET S 10 180.411 213.357 66.425 1.00 0.00 ATOM 78 CB MET S 10 181.012 214.705 69.181 1.00 0.00 ATOM 79 CG MET S 10 180.894 216.010 69.934 1.00 0.00 ATOM 80 SD MET S 10 180.176 217.323 68.955 1.00 0.00 ATOM 81 CE MET S 10 181.313 217.513 67.588 1.00 0.00 ATOM 82 N LEU S 11 180.104 211.827 68.028 1.00 0.00 ATOM 83 CA LEU S 11 180.482 210.749 67.137 1.00 0.00 ATOM 84 C LEU S 11 179.301 210.475 66.217 1.00 0.00 ATOM 85 O LEU S 11 179.481 210.156 65.038 1.00 0.00 ATOM 86 CB LEU S 11 180.903 209.548 67.955 1.00 0.00 ATOM 87 CG LEU S 11 181.643 208.404 67.288 1.00 0.00 ATOM 88 CD1 LEU S 11 182.927 208.906 66.687 1.00 0.00 ATOM 89 CD2 LEU S 11 182.034 207.424 68.337 1.00 0.00 ATOM 90 N LYS S 12 178.086 210.652 66.751 1.00 0.00 ATOM 91 CA LYS S 12 176.892 210.528 65.944 1.00 0.00 ATOM 92 C LYS S 12 176.939 211.632 64.909 1.00 0.00 ATOM 93 O LYS S 12 176.559 211.399 63.773 1.00 0.00 ATOM 94 CB LYS S 12 175.608 210.696 66.741 1.00 0.00 ATOM 95 CG LYS S 12 175.285 209.599 67.688 1.00 0.00 ATOM 96 CD LYS S 12 174.026 209.896 68.424 1.00 0.00 ATOM 97 CE LYS S 12 173.721 208.877 69.482 1.00 0.00 ATOM 98 NZ LYS S 12 172.414 209.187 70.145 1.00 0.00 ATOM 99 N LEU S 13 177.414 212.820 65.298 1.00 0.00 ATOM 100 CA LEU S 13 177.558 213.948 64.400 1.00 0.00 ATOM 101 C LEU S 13 178.627 213.699 63.407 1.00 0.00 ATOM 102 O LEU S 13 178.458 214.021 62.248 1.00 0.00 ATOM 103 CB LEU S 13 177.837 215.258 65.134 1.00 0.00 ATOM 104 CG LEU S 13 176.682 215.832 65.898 1.00 0.00 ATOM 105 CD1 LEU S 13 177.148 216.939 66.785 1.00 0.00 ATOM 106 CD2 LEU S 13 175.655 216.385 64.919 1.00 0.00 ATOM 107 N ASP S 14 179.724 213.051 63.776 1.00 0.00 ATOM 108 CA ASP S 14 180.652 212.787 62.710 1.00 0.00 ATOM 109 C ASP S 14 179.909 211.953 61.686 1.00 0.00 ATOM 110 O ASP S 14 180.028 212.216 60.497 1.00 0.00 ATOM 111 CB ASP S 14 181.902 212.036 63.150 1.00 0.00 ATOM 112 CG ASP S 14 182.912 212.831 63.956 1.00 0.00 ATOM 113 OD1 ASP S 14 182.801 214.034 64.058 1.00 0.00 ATOM 114 OD2 ASP S 14 183.867 212.220 64.396 1.00 0.00 ATOM 115 N LYS S 15 179.072 211.004 62.126 1.00 0.00 ATOM 116 CA LYS S 15 178.297 210.250 61.161 1.00 0.00 ATOM 117 C LYS S 15 177.291 211.098 60.417 1.00 0.00 ATOM 118 O LYS S 15 177.198 210.987 59.204 1.00 0.00 ATOM 119 CB LYS S 15 177.568 209.061 61.806 1.00 0.00 ATOM 120 CG LYS S 15 176.693 208.252 60.840 1.00 0.00 ATOM 121 CD LYS S 15 175.190 208.487 61.034 1.00 0.00 ATOM 122 CE LYS S 15 174.658 207.760 62.286 1.00 0.00 ATOM 123 NZ LYS S 15 173.193 207.950 62.454 1.00 0.00 ATOM 124 N GLU S 16 176.521 211.922 61.118 1.00 0.00 ATOM 125 CA GLU S 16 175.468 212.701 60.484 1.00 0.00 ATOM 126 C GLU S 16 176.043 213.712 59.527 1.00 0.00 ATOM 127 O GLU S 16 175.513 213.904 58.436 1.00 0.00 ATOM 128 CB GLU S 16 174.646 213.446 61.547 1.00 0.00 ATOM 129 CG GLU S 16 173.797 212.549 62.482 1.00 0.00 ATOM 130 CD GLU S 16 173.213 213.313 63.685 1.00 0.00 ATOM 131 OE1 GLU S 16 173.187 214.516 63.636 1.00 0.00 ATOM 132 OE2 GLU S 16 172.818 212.683 64.652 1.00 0.00 ATOM 133 N ASN S 17 177.145 214.329 59.915 1.00 0.00 ATOM 134 CA ASN S 17 177.776 215.352 59.128 1.00 0.00 ATOM 135 C ASN S 17 178.509 214.721 57.983 1.00 0.00 ATOM 136 O ASN S 17 178.446 215.221 56.863 1.00 0.00 ATOM 137 CB ASN S 17 178.758 216.123 59.971 1.00 0.00 ATOM 138 CG ASN S 17 178.106 216.949 61.022 1.00 0.00 ATOM 139 OD1 ASN S 17 176.922 217.294 60.961 1.00 0.00 ATOM 140 ND2 ASN S 17 178.874 217.284 62.015 1.00 0.00 ATOM 141 N ALA S 18 179.197 213.608 58.243 1.00 0.00 ATOM 142 CA ALA S 18 179.906 212.932 57.193 1.00 0.00 ATOM 143 C ALA S 18 178.925 212.384 56.220 1.00 0.00 ATOM 144 O ALA S 18 179.170 212.391 55.022 1.00 0.00 ATOM 145 CB ALA S 18 180.756 211.831 57.728 1.00 0.00 ATOM 146 N LEU S 19 177.790 211.936 56.714 1.00 0.00 ATOM 147 CA LEU S 19 176.812 211.406 55.833 1.00 0.00 ATOM 148 C LEU S 19 176.236 212.529 55.011 1.00 0.00 ATOM 149 O LEU S 19 176.149 212.403 53.798 1.00 0.00 ATOM 150 CB LEU S 19 175.743 210.676 56.617 1.00 0.00 ATOM 151 CG LEU S 19 174.651 210.027 55.836 1.00 0.00 ATOM 152 CD1 LEU S 19 175.230 209.003 54.856 1.00 0.00 ATOM 153 CD2 LEU S 19 173.723 209.366 56.825 1.00 0.00 ATOM 154 N ASP S 20 175.939 213.686 55.617 1.00 0.00 ATOM 155 CA ASP S 20 175.421 214.769 54.802 1.00 0.00 ATOM 156 C ASP S 20 176.451 215.173 53.762 1.00 0.00 ATOM 157 O ASP S 20 176.088 215.506 52.627 1.00 0.00 ATOM 158 CB ASP S 20 175.076 216.006 55.633 1.00 0.00 ATOM 159 CG ASP S 20 173.817 215.882 56.493 1.00 0.00 ATOM 160 OD1 ASP S 20 173.053 214.962 56.328 1.00 0.00 ATOM 161 OD2 ASP S 20 173.611 216.766 57.291 1.00 0.00 ATOM 162 N ARG S 21 177.743 215.153 54.128 1.00 0.00 ATOM 163 CA ARG S 21 178.767 215.490 53.162 1.00 0.00 ATOM 164 C ARG S 21 178.807 214.448 52.083 1.00 0.00 ATOM 165 O ARG S 21 178.933 214.792 50.916 1.00 0.00 ATOM 166 CB ARG S 21 180.152 215.579 53.766 1.00 0.00 ATOM 167 CG ARG S 21 180.403 216.769 54.636 1.00 0.00 ATOM 168 CD ARG S 21 181.846 216.943 54.905 1.00 0.00 ATOM 169 NE ARG S 21 182.438 215.816 55.629 1.00 0.00 ATOM 170 CZ ARG S 21 182.471 215.662 56.967 1.00 0.00 ATOM 171 NH1 ARG S 21 181.915 216.543 57.767 1.00 0.00 ATOM 172 NH2 ARG S 21 183.079 214.611 57.480 1.00 0.00 ATOM 173 N ALA S 22 178.683 213.177 52.449 1.00 0.00 ATOM 174 CA ALA S 22 178.713 212.123 51.465 1.00 0.00 ATOM 175 C ALA S 22 177.583 212.232 50.513 1.00 0.00 ATOM 176 O ALA S 22 177.766 212.118 49.309 1.00 0.00 ATOM 177 CB ALA S 22 178.613 210.778 52.139 1.00 0.00 ATOM 178 N GLU S 23 176.406 212.525 51.033 1.00 0.00 ATOM 179 CA GLU S 23 175.250 212.595 50.194 1.00 0.00 ATOM 180 C GLU S 23 175.303 213.793 49.287 1.00 0.00 ATOM 181 O GLU S 23 175.011 213.671 48.098 1.00 0.00 ATOM 182 CB GLU S 23 174.006 212.633 51.065 1.00 0.00 ATOM 183 CG GLU S 23 173.706 211.326 51.804 1.00 0.00 ATOM 184 CD GLU S 23 172.587 211.492 52.766 1.00 0.00 ATOM 185 OE1 GLU S 23 172.186 212.610 52.969 1.00 0.00 ATOM 186 OE2 GLU S 23 172.108 210.511 53.283 1.00 0.00 ATOM 187 N GLN S 24 175.710 214.951 49.800 1.00 0.00 ATOM 188 CA GLN S 24 175.758 216.083 48.910 1.00 0.00 ATOM 189 C GLN S 24 176.883 215.948 47.928 1.00 0.00 ATOM 190 O GLN S 24 176.724 216.253 46.746 1.00 0.00 ATOM 191 CB GLN S 24 175.921 217.390 49.669 1.00 0.00 ATOM 192 CG GLN S 24 175.905 218.629 48.760 1.00 0.00 ATOM 193 CD GLN S 24 174.599 218.776 48.016 1.00 0.00 ATOM 194 OE1 GLN S 24 173.531 218.708 48.631 1.00 0.00 ATOM 195 NE2 GLN S 24 174.668 218.987 46.708 1.00 0.00 ATOM 196 N ALA S 25 178.029 215.469 48.392 1.00 0.00 ATOM 197 CA ALA S 25 179.136 215.374 47.506 1.00 0.00 ATOM 198 C ALA S 25 178.854 214.392 46.424 1.00 0.00 ATOM 199 O ALA S 25 179.045 214.739 45.276 1.00 0.00 ATOM 200 CB ALA S 25 180.371 214.974 48.258 1.00 0.00 ATOM 201 N GLU S 26 178.261 213.246 46.769 1.00 0.00 ATOM 202 CA GLU S 26 177.938 212.185 45.833 1.00 0.00 ATOM 203 C GLU S 26 176.861 212.647 44.882 1.00 0.00 ATOM 204 O GLU S 26 176.857 212.290 43.709 1.00 0.00 ATOM 205 CB GLU S 26 177.513 210.934 46.584 1.00 0.00 ATOM 206 CG GLU S 26 177.366 209.704 45.754 1.00 0.00 ATOM 207 CD GLU S 26 177.103 208.511 46.617 1.00 0.00 ATOM 208 OE1 GLU S 26 176.955 208.700 47.802 1.00 0.00 ATOM 209 OE2 GLU S 26 177.061 207.423 46.110 1.00 0.00 ATOM 210 N ALA S 27 175.917 213.444 45.379 1.00 0.00 ATOM 211 CA ALA S 27 174.867 213.964 44.526 1.00 0.00 ATOM 212 C ALA S 27 175.475 214.777 43.390 1.00 0.00 ATOM 213 O ALA S 27 174.989 214.735 42.258 1.00 0.00 ATOM 214 CB ALA S 27 173.912 214.831 45.326 1.00 0.00 ATOM 215 N ASP S 28 176.557 215.500 43.686 1.00 0.00 ATOM 216 CA ASP S 28 177.238 216.294 42.683 1.00 0.00 ATOM 217 C ASP S 28 178.349 215.516 41.964 1.00 0.00 ATOM 218 O ASP S 28 178.670 215.820 40.809 1.00 0.00 ATOM 219 CB ASP S 28 177.847 217.534 43.327 1.00 0.00 ATOM 220 CG ASP S 28 176.818 218.467 43.937 1.00 0.00 ATOM 221 OD1 ASP S 28 175.865 218.825 43.282 1.00 0.00 ATOM 222 OD2 ASP S 28 177.018 218.856 45.067 1.00 0.00 ATOM 223 N LYS S 29 178.938 214.552 42.668 1.00 0.00 ATOM 224 CA LYS S 29 180.078 213.749 42.258 1.00 0.00 ATOM 225 C LYS S 29 179.755 212.254 42.230 1.00 0.00 ATOM 226 O LYS S 29 180.164 211.515 43.131 1.00 0.00 ATOM 227 CB LYS S 29 181.196 213.996 43.255 1.00 0.00 ATOM 228 CG LYS S 29 181.640 215.444 43.309 1.00 0.00 ATOM 229 CD LYS S 29 182.720 215.642 44.326 1.00 0.00 ATOM 230 CE LYS S 29 183.331 217.041 44.247 1.00 0.00 ATOM 231 NZ LYS S 29 182.623 218.036 45.099 1.00 0.00 TER