HEADER MEMBRANE PROTEIN 31-DEC-69 6WDN TITLE Cryo-EM structure of mitochondrial calcium uniporter holocomplex in TITLE 2 low Ca2+ COMPND MOL_ID: 1; COMPND 2 MOLECULE: Calcium uptake protein 2, mitochondrial; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 6WDN A 84 418 UNP Q8IYU8 MICU2_HUMAN 84 418 SEQRES 1 A 124 SER LEU ARG LYS GLN ARG PHE MET GLN PHE SER SER LEU SEQRES 2 A 124 GLU HIS GLU GLY GLU TYR TYR MET THR PRO ARG ASP PHE SEQRES 3 A 124 LEU PHE SER VAL MET PHE GLU GLN MET GLU ARG LYS THR SEQRES 4 A 124 SER VAL LYS LYS LEU THR LYS LYS ASP ILE GLU ASP THR SEQRES 5 A 124 LEU SER GLY ILE GLN THR ALA GLY CYS GLY SER THR PHE SEQRES 6 A 124 PHE ARG ASP LEU GLY ASP LYS GLY LEU ILE SER TYR THR SEQRES 7 A 124 GLU TYR LEU PHE LEU LEU THR ILE LEU THR LYS PRO HIS SEQRES 8 A 124 SER GLY PHE HIS VAL ALA PHE LYS MET LEU ASP THR ASP SEQRES 9 A 124 GLY ASN GLU MET ILE GLU LYS ARG GLU PHE PHE LYS LEU SEQRES 10 A 124 GLN LYS ILE ILE SER LYS GLN SEQRES 1 A 31 ILE ASN THR THR LEU GLN MET ARG PHE PHE GLY LYS ARG SEQRES 2 A 31 GLY GLN ARG LYS LEU HIS TYR LYS GLU PHE ARG ARG PHE SEQRES 3 A 31 MET GLU ASN LEU GLN ATOM 1 N ILE A 230 167.779 175.123 271.988 1.00229.80 ATOM 2 CA ILE A 230 168.403 175.227 270.677 1.00229.80 ATOM 3 C ILE A 230 169.646 176.107 270.788 1.00229.80 ATOM 4 O ILE A 230 170.302 176.414 269.792 1.00229.80 ATOM 5 CB ILE A 230 167.409 175.773 269.630 1.00229.80 ATOM 6 CG1 ILE A 230 167.885 175.459 268.208 1.00229.80 ATOM 7 CG2 ILE A 230 167.206 177.269 269.814 1.00229.80 ATOM 8 CD1 ILE A 230 166.901 175.859 267.131 1.00229.80 ATOM 9 N ASN A 231 169.970 176.505 272.016 1.00234.47 ATOM 10 CA ASN A 231 171.130 177.355 272.241 1.00234.47 ATOM 11 C ASN A 231 172.411 176.612 271.878 1.00234.47 ATOM 12 O ASN A 231 172.764 175.597 272.485 1.00234.47 ATOM 13 CB ASN A 231 171.176 177.816 273.700 1.00234.47 ATOM 14 CG ASN A 231 172.205 178.909 273.941 1.00234.47 ATOM 15 OD1 ASN A 231 173.392 178.736 273.669 1.00234.47 ATOM 16 ND2 ASN A 231 171.747 180.045 274.454 1.00234.47 ATOM 17 N THR A 232 173.113 177.134 270.875 1.00234.83 ATOM 18 CA THR A 232 174.330 176.506 270.391 1.00234.83 ATOM 19 C THR A 232 175.535 177.006 271.184 1.00234.83 ATOM 20 O THR A 232 175.438 177.910 272.019 1.00234.83 ATOM 21 CB THR A 232 174.508 176.767 268.898 1.00234.83 ATOM 22 OG1 THR A 232 175.576 175.956 268.393 1.00234.83 ATOM 23 CG2 THR A 232 174.830 178.227 268.649 1.00234.83 ATOM 24 N THR A 233 176.696 176.411 270.912 1.00235.16 ATOM 25 CA THR A 233 177.886 176.731 271.692 1.00235.16 ATOM 26 C THR A 233 178.446 178.098 271.327 1.00235.16 ATOM 27 O THR A 233 178.746 178.906 272.213 1.00235.16 ATOM 28 CB THR A 233 178.946 175.652 271.498 1.00235.16 ATOM 29 OG1 THR A 233 179.263 175.536 270.105 1.00235.16 ATOM 30 CG2 THR A 233 178.439 174.327 272.016 1.00235.16 ATOM 31 N LEU A 234 178.595 178.373 270.030 1.00232.16 ATOM 32 CA LEU A 234 179.135 179.659 269.606 1.00232.16 ATOM 33 C LEU A 234 178.254 180.816 270.058 1.00232.16 ATOM 34 O LEU A 234 178.737 181.944 270.204 1.00232.16 ATOM 35 CB LEU A 234 179.314 179.666 268.088 1.00232.16 ATOM 36 CG LEU A 234 178.108 179.219 267.258 1.00232.16 ATOM 37 CD1 LEU A 234 177.204 180.389 266.912 1.00232.16 ATOM 38 CD2 LEU A 234 178.559 178.496 265.999 1.00232.16 ATOM 39 N GLN A 235 176.966 180.556 270.287 1.00231.78 ATOM 40 CA GLN A 235 176.078 181.588 270.811 1.00231.78 ATOM 41 C GLN A 235 176.524 182.041 272.196 1.00231.78 ATOM 42 O GLN A 235 176.885 183.207 272.393 1.00231.78 ATOM 43 CB GLN A 235 174.644 181.063 270.847 1.00231.78 ATOM 44 CG GLN A 235 173.601 182.091 271.228 1.00231.78 ATOM 45 CD GLN A 235 172.196 181.539 271.118 1.00231.78 ATOM 46 OE1 GLN A 235 172.001 180.369 270.790 1.00231.78 ATOM 47 NE2 GLN A 235 171.208 182.378 271.390 1.00231.78 ATOM 48 N MET A 236 176.514 181.127 273.169 1.00232.48 ATOM 49 CA MET A 236 176.990 181.470 274.504 1.00232.48 ATOM 50 C MET A 236 178.483 181.769 274.503 1.00232.48 ATOM 51 O MET A 236 178.979 182.456 275.402 1.00232.48 ATOM 52 CB MET A 236 176.670 180.341 275.483 1.00232.48 ATOM 53 CG MET A 236 175.211 180.289 275.911 1.00232.48 ATOM 54 SD MET A 236 174.831 178.849 276.929 1.00232.48 ATOM 55 CE MET A 236 173.161 179.230 277.450 1.00232.48 ATOM 56 N ARG A 237 179.216 181.257 273.512 1.00231.46 ATOM 57 CA ARG A 237 180.613 181.643 273.358 1.00231.46 ATOM 58 C ARG A 237 180.741 183.113 272.984 1.00231.46 ATOM 59 O ARG A 237 181.740 183.757 273.326 1.00231.46 ATOM 60 CB ARG A 237 181.284 180.756 272.307 1.00231.46 ATOM 61 CG ARG A 237 182.685 181.177 271.897 1.00231.46 ATOM 62 CD ARG A 237 183.669 181.045 273.045 1.00231.46 ATOM 63 NE ARG A 237 184.933 181.713 272.752 1.00231.46 ATOM 64 CZ ARG A 237 185.280 182.902 273.231 1.00231.46 ATOM 65 NH1 ARG A 237 184.455 183.562 274.032 1.00231.46 ATOM 66 NH2 ARG A 237 186.451 183.432 272.910 1.00231.46 ATOM 67 N PHE A 238 179.734 183.666 272.307 1.00229.13 ATOM 68 CA PHE A 238 179.770 185.046 271.849 1.00229.13 ATOM 69 C PHE A 238 178.959 186.004 272.708 1.00229.13 ATOM 70 O PHE A 238 179.298 187.189 272.764 1.00229.13 ATOM 71 CB PHE A 238 179.270 185.132 270.401 1.00229.13 ATOM 72 CG PHE A 238 180.239 184.584 269.395 1.00229.13 ATOM 73 CD1 PHE A 238 181.596 184.561 269.667 1.00229.13 ATOM 74 CD2 PHE A 238 179.794 184.078 268.186 1.00229.13 ATOM 75 CE1 PHE A 238 182.492 184.057 268.746 1.00229.13 ATOM 76 CE2 PHE A 238 180.684 183.573 267.261 1.00229.13 ATOM 77 CZ PHE A 238 182.035 183.561 267.542 1.00229.13 ATOM 78 N PHE A 239 177.912 185.531 273.372 1.00228.10 ATOM 79 CA PHE A 239 177.076 186.364 274.224 1.00228.10 ATOM 80 C PHE A 239 177.026 185.761 275.627 1.00228.10 ATOM 81 O PHE A 239 177.739 184.806 275.942 1.00228.10 ATOM 82 CB PHE A 239 175.676 186.514 273.623 1.00228.10 ATOM 83 CG PHE A 239 175.673 186.718 272.135 1.00228.10 ATOM 84 CD1 PHE A 239 175.948 187.961 271.593 1.00228.10 ATOM 85 CD2 PHE A 239 175.392 185.667 271.279 1.00228.10 ATOM 86 CE1 PHE A 239 175.946 188.150 270.226 1.00228.10 ATOM 87 CE2 PHE A 239 175.389 185.851 269.910 1.00228.10 ATOM 88 CZ PHE A 239 175.666 187.095 269.384 1.00228.10 ATOM 89 N GLY A 240 176.178 186.331 276.474 1.00228.76 ATOM 90 CA GLY A 240 175.996 185.808 277.808 1.00228.76 ATOM 91 C GLY A 240 175.186 184.524 277.799 1.00228.76 ATOM 92 O GLY A 240 174.801 183.987 276.759 1.00228.76 ATOM 93 N LYS A 241 174.930 184.020 279.008 1.00227.97 ATOM 94 CA LYS A 241 174.066 182.852 279.148 1.00227.97 ATOM 95 C LYS A 241 172.655 183.160 278.667 1.00227.97 ATOM 96 O LYS A 241 171.949 182.272 278.175 1.00227.97 ATOM 97 CB LYS A 241 174.050 182.379 280.602 1.00227.97 ATOM 98 N ARG A 242 172.229 184.417 278.801 1.00228.48 ATOM 99 CA ARG A 242 170.943 184.876 278.290 1.00228.48 ATOM 100 C ARG A 242 171.110 186.005 277.279 1.00228.48 ATOM 101 O ARG A 242 170.180 186.792 277.072 1.00228.48 ATOM 102 CB ARG A 242 170.038 185.320 279.441 1.00228.48 ATOM 103 N GLY A 243 172.278 186.103 276.650 1.00227.75 ATOM 104 CA GLY A 243 172.540 187.165 275.701 1.00227.75 ATOM 105 C GLY A 243 172.833 188.482 276.386 1.00227.75 ATOM 106 O GLY A 243 172.252 189.515 276.040 1.00227.75 ATOM 107 N GLN A 244 173.737 188.458 277.364 1.00226.08 ATOM 108 CA GLN A 244 174.058 189.654 278.131 1.00226.08 ATOM 109 C GLN A 244 175.031 190.574 277.410 1.00226.08 ATOM 110 O GLN A 244 174.861 191.798 277.452 1.00226.08 ATOM 111 CB GLN A 244 174.640 189.265 279.494 1.00226.08 ATOM 112 N ARG A 245 176.040 190.018 276.750 1.00224.55 ATOM 113 CA ARG A 245 177.031 190.798 276.028 1.00224.55 ATOM 114 C ARG A 245 176.764 190.727 274.532 1.00224.55 ATOM 115 O ARG A 245 176.023 189.866 274.049 1.00224.55 ATOM 116 CB ARG A 245 178.449 190.302 276.331 1.00224.55 ATOM 117 N LYS A 246 177.376 191.650 273.801 1.00220.90 ATOM 118 CA LYS A 246 177.256 191.701 272.356 1.00220.90 ATOM 119 C LYS A 246 178.458 191.004 271.722 1.00220.90 ATOM 120 O LYS A 246 179.324 190.457 272.412 1.00220.90 ATOM 121 CB LYS A 246 177.106 193.152 271.897 1.00220.90 ATOM 122 CG LYS A 246 175.765 193.761 272.273 1.00220.90 ATOM 123 CD LYS A 246 175.793 195.280 272.242 1.00220.90 ATOM 124 CE LYS A 246 176.096 195.802 270.850 1.00220.90 ATOM 125 NZ LYS A 246 175.388 195.028 269.794 1.00220.90 ATOM 126 N LEU A 247 178.518 191.019 270.395 1.00219.17 ATOM 127 CA LEU A 247 179.512 190.261 269.641 1.00219.17 ATOM 128 C LEU A 247 180.416 191.261 268.928 1.00219.17 ATOM 129 O LEU A 247 180.152 191.642 267.786 1.00219.17 ATOM 130 CB LEU A 247 178.829 189.316 268.655 1.00219.17 ATOM 131 CG LEU A 247 179.584 188.103 268.106 1.00219.17 ATOM 132 CD1 LEU A 247 178.601 187.170 267.423 1.00219.17 ATOM 133 CD2 LEU A 247 180.705 188.484 267.160 1.00219.17 ATOM 134 N HIS A 248 181.487 191.675 269.597 1.00215.17 ATOM 135 CA HIS A 248 182.405 192.631 268.998 1.00215.17 ATOM 136 C HIS A 248 183.114 192.017 267.797 1.00215.17 ATOM 137 O HIS A 248 183.469 190.835 267.792 1.00215.17 ATOM 138 CB HIS A 248 183.429 193.104 270.026 1.00215.17 ATOM 139 CG HIS A 248 184.065 194.415 269.683 1.00215.17 ATOM 140 ND1 HIS A 248 184.973 194.557 268.656 1.00215.17 ATOM 141 CD2 HIS A 248 183.925 195.644 270.234 1.00215.17 ATOM 142 CE1 HIS A 248 185.362 195.817 268.587 1.00215.17 ATOM 143 NE2 HIS A 248 184.742 196.498 269.534 1.00215.17 ATOM 144 N TYR A 249 183.315 192.840 266.766 1.00212.31 ATOM 145 CA TYR A 249 183.928 192.350 265.535 1.00212.31 ATOM 146 C TYR A 249 185.370 191.925 265.769 1.00212.31 ATOM 147 O TYR A 249 185.788 190.844 265.340 1.00212.31 ATOM 148 CB TYR A 249 183.856 193.418 264.446 1.00212.31 ATOM 149 CG TYR A 249 184.672 193.071 263.226 1.00212.31 ATOM 150 CD1 TYR A 249 184.238 192.102 262.334 1.00212.31 ATOM 151 CD2 TYR A 249 185.880 193.701 262.970 1.00212.31 ATOM 152 CE1 TYR A 249 184.980 191.774 261.221 1.00212.31 ATOM 153 CE2 TYR A 249 186.629 193.380 261.859 1.00212.31 ATOM 154 CZ TYR A 249 186.173 192.416 260.987 1.00212.31 ATOM 155 OH TYR A 249 186.916 192.090 259.878 1.00212.31 ATOM 156 N LYS A 250 186.152 192.772 266.443 1.00212.87 ATOM 157 CA LYS A 250 187.538 192.420 266.733 1.00212.87 ATOM 158 C LYS A 250 187.628 191.156 267.573 1.00212.87 ATOM 159 O LYS A 250 188.612 190.415 267.477 1.00212.87 ATOM 160 CB LYS A 250 188.243 193.581 267.439 1.00212.87 ATOM 161 CG LYS A 250 188.062 194.952 266.782 1.00212.87 ATOM 162 CD LYS A 250 188.303 194.970 265.268 1.00212.87 ATOM 163 CE LYS A 250 189.613 194.294 264.861 1.00212.87 ATOM 164 NZ LYS A 250 189.860 194.389 263.396 1.00212.87 ATOM 165 N GLU A 251 186.613 190.892 268.397 1.00213.78 ATOM 166 CA GLU A 251 186.592 189.657 269.169 1.00213.78 ATOM 167 C GLU A 251 186.186 188.467 268.311 1.00213.78 ATOM 168 O GLU A 251 186.581 187.333 268.602 1.00213.78 ATOM 169 CB GLU A 251 185.659 189.815 270.367 1.00213.78 ATOM 170 CG GLU A 251 186.317 190.455 271.585 1.00213.78 ATOM 171 CD GLU A 251 186.653 191.930 271.397 1.00213.78 ATOM 172 OE1 GLU A 251 186.449 192.474 270.292 1.00213.78 ATOM 173 OE2 GLU A 251 187.128 192.551 272.371 1.00213.78 ATOM 174 N PHE A 252 185.402 188.699 267.258 1.00212.95 ATOM 175 CA PHE A 252 185.167 187.639 266.287 1.00212.95 ATOM 176 C PHE A 252 186.320 187.537 265.300 1.00212.95 ATOM 177 O PHE A 252 186.695 186.433 264.892 1.00212.95 ATOM 178 CB PHE A 252 183.858 187.874 265.538 1.00212.95 ATOM 179 CG PHE A 252 183.728 187.059 264.284 1.00212.95 ATOM 180 CD1 PHE A 252 183.414 185.713 264.347 1.00212.95 ATOM 181 CD2 PHE A 252 183.925 187.637 263.043 1.00212.95 ATOM 182 CE1 PHE A 252 183.298 184.960 263.195 1.00212.95 ATOM 183 CE2 PHE A 252 183.810 186.889 261.888 1.00212.95 ATOM 184 CZ PHE A 252 183.496 185.549 261.964 1.00212.95 ATOM 185 N ARG A 253 186.881 188.679 264.900 1.00213.27 ATOM 186 CA ARG A 253 188.037 188.666 264.011 1.00213.27 ATOM 187 C ARG A 253 189.188 187.887 264.630 1.00213.27 ATOM 188 O ARG A 253 189.808 187.044 263.974 1.00213.27 ATOM 189 CB ARG A 253 188.465 190.095 263.685 1.00213.27 ATOM 190 CG ARG A 253 189.859 190.194 263.102 1.00213.27 ATOM 191 CD ARG A 253 189.918 191.216 261.986 1.00213.27 ATOM 192 NE ARG A 253 191.157 191.107 261.224 1.00213.27 ATOM 193 CZ ARG A 253 191.408 191.783 260.109 1.00213.27 ATOM 194 NH1 ARG A 253 192.564 191.621 259.479 1.00213.27 ATOM 195 NH2 ARG A 253 190.504 192.622 259.623 1.00213.27 ATOM 196 N ARG A 254 189.482 188.149 265.904 1.00214.27 ATOM 197 CA ARG A 254 190.498 187.368 266.597 1.00214.27 ATOM 198 C ARG A 254 190.053 185.932 266.833 1.00214.27 ATOM 199 O ARG A 254 190.901 185.061 267.050 1.00214.27 ATOM 200 CB ARG A 254 190.855 188.028 267.929 1.00214.27 ATOM 201 CG ARG A 254 189.816 187.822 269.018 1.00214.27 ATOM 202 CD ARG A 254 190.112 188.679 270.236 1.00214.27 ATOM 203 NE ARG A 254 189.141 188.459 271.304 1.00214.27 ATOM 204 CZ ARG A 254 189.251 187.510 272.228 1.00214.27 ATOM 205 NH1 ARG A 254 190.290 186.686 272.215 1.00214.27 ATOM 206 NH2 ARG A 254 188.320 187.382 273.163 1.00214.27 ATOM 207 N PHE A 255 188.747 185.666 266.790 1.00214.95 ATOM 208 CA PHE A 255 188.259 184.315 267.044 1.00214.95 ATOM 209 C PHE A 255 188.516 183.402 265.853 1.00214.95 ATOM 210 O PHE A 255 188.987 182.271 266.017 1.00214.95 ATOM 211 CB PHE A 255 186.769 184.353 267.385 1.00214.95 ATOM 212 CG PHE A 255 186.053 183.061 267.119 1.00214.95 ATOM 213 CD1 PHE A 255 186.236 181.969 267.949 1.00214.95 ATOM 214 CD2 PHE A 255 185.189 182.942 266.045 1.00214.95 ATOM 215 CE1 PHE A 255 185.576 180.781 267.707 1.00214.95 ATOM 216 CE2 PHE A 255 184.528 181.757 265.800 1.00214.95 ATOM 217 CZ PHE A 255 184.721 180.676 266.632 1.00214.95 ATOM 218 N MET A 256 188.207 183.872 264.643 1.00214.58 ATOM 219 CA MET A 256 188.356 183.012 263.474 1.00214.58 ATOM 220 C MET A 256 189.821 182.707 263.200 1.00214.58 ATOM 221 O MET A 256 190.150 181.638 262.673 1.00214.58 ATOM 222 CB MET A 256 187.691 183.652 262.254 1.00214.58 ATOM 223 CG MET A 256 187.959 185.134 262.077 1.00214.58 ATOM 224 SD MET A 256 189.565 185.470 261.333 1.00214.58 ATOM 225 CE MET A 256 189.324 184.815 259.684 1.00214.58 ATOM 226 N GLU A 257 190.719 183.630 263.552 1.00214.22 ATOM 227 CA GLU A 257 192.144 183.339 263.454 1.00214.22 ATOM 228 C GLU A 257 192.554 182.192 264.364 1.00214.22 ATOM 229 O GLU A 257 193.492 181.459 264.032 1.00214.22 ATOM 230 CB GLU A 257 192.975 184.578 263.794 1.00214.22 ATOM 231 CG GLU A 257 192.636 185.812 262.981 1.00214.22 ATOM 232 CD GLU A 257 192.818 187.095 263.768 1.00214.22 ATOM 233 OE1 GLU A 257 192.409 188.163 263.268 1.00214.22 ATOM 234 OE2 GLU A 257 193.368 187.033 264.887 1.00214.22 ATOM 235 N ASN A 258 191.875 182.021 265.498 1.00212.73 ATOM 236 CA ASN A 258 192.178 180.906 266.387 1.00212.73 ATOM 237 C ASN A 258 191.827 179.580 265.729 1.00212.73 ATOM 238 O ASN A 258 192.647 178.656 265.681 1.00212.73 ATOM 239 CB ASN A 258 191.425 181.074 267.706 1.00212.73 ATOM 240 CG ASN A 258 191.688 182.414 268.359 1.00212.73 ATOM 241 OD1 ASN A 258 190.805 182.993 268.992 1.00212.73 ATOM 242 ND2 ASN A 258 192.907 182.917 268.209 1.00212.73 ATOM 243 N LEU A 259 190.601 179.469 265.213 1.00209.42 ATOM 244 CA LEU A 259 190.221 178.277 264.463 1.00209.42 ATOM 245 C LEU A 259 191.085 178.117 263.220 1.00209.42 ATOM 246 O LEU A 259 191.373 176.992 262.795 1.00209.42 ATOM 247 CB LEU A 259 188.742 178.349 264.085 1.00209.42 ATOM 248 CG LEU A 259 188.094 177.083 263.524 1.00209.42 ATOM 249 CD1 LEU A 259 186.655 176.999 263.985 1.00209.42 ATOM 250 CD2 LEU A 259 188.159 177.056 262.007 1.00209.42 ATOM 251 N GLN A 260 191.501 179.232 262.622 1.00207.28 ATOM 252 CA GLN A 260 192.346 179.206 261.437 1.00207.28 ATOM 253 C GLN A 260 193.658 178.493 261.727 1.00207.28 ATOM 254 O GLN A 260 194.211 177.820 260.853 1.00207.28 ATOM 255 CB GLN A 260 192.614 180.626 260.941 1.00207.28 ATOM 256 CG GLN A 260 193.179 180.691 259.539 1.00207.28 ATOM 257 CD GLN A 260 192.343 179.914 258.547 1.00207.28 ATOM 258 OE1 GLN A 260 191.214 180.292 258.236 1.00207.28 ATOM 259 NE2 GLN A 260 192.895 178.818 258.042 1.00207.28 TER