HEADER MEMBRANE PROTEIN 10-APR-14 4CY4 TITLE The Cryo-Electron Microscopy Structure of the CorA channel from TITLE 2 Methanocaldococcus jannaschii at 21.6 Angstrom in low magnesium. COMPND MOL_ID: 1; COMPND 2 MOLECULE: MAGNESIUM TRANSPORT PROTEIN CORA; COMPND 3 CHAIN: A, B, C, D, E; COMPND 4 ENGINEERED: YES; COMPND 5 RECOMBINANTLY OVER-EXPRESSED PROTEIN, SOLUBILIZED FROM MEMBRANE COMPND 6 OTHER_DETAILS: FRACTION. PURIFIED BY AFFINITY (HIS-TAG), SIZE EXCLUSION COMPND 7 CHROMATOGRAPHY. PROTEOLYTIC TAG CLEAVEAGE.; EXPDTA ELECTRON MICROSCOPY DBREF 4CY4 D 1 317 UNP Q58439 CORA_METJA 1 317 SEQRES 1 D 66 LYS MET ASN GLN ILE MET LYS ILE LEU THR MET VAL THR SEQRES 2 D 66 THR ILE PHE ALA VAL PRO MET TRP ILE THR GLY ILE TYR SEQRES 3 D 66 GLY MET ASN PHE SER TYR LEU PRO LEU ALA ASN ASN PRO SEQRES 4 D 66 GLN GLY PHE TRP LEU VAL MET ALA LEU MET VAL VAL ILE SEQRES 5 D 66 ILE MET ILE PHE VAL TYR ILE PHE ARG ARG SER GLY TRP SEQRES 6 D 66 ILE ATOM 1 CA LYS D 252 9.864 -4.948 -23.745 1.00 99.85 ATOM 2 CA MET D 253 6.696 -4.030 -25.625 1.00 97.10 ATOM 3 CA ASN D 254 8.625 -0.919 -26.581 1.00 96.10 ATOM 4 CA GLN D 255 11.561 -2.759 -28.122 1.00105.89 ATOM 5 CA ILE D 256 9.033 -4.680 -30.201 1.00 89.37 ATOM 6 CA MET D 257 7.138 -1.572 -31.365 1.00 65.55 ATOM 7 CA LYS D 258 10.474 0.033 -32.148 1.00 75.32 ATOM 8 CA ILE D 259 11.306 -2.947 -34.329 1.00 69.63 ATOM 9 CA LEU D 260 8.030 -2.738 -36.227 1.00 73.08 ATOM 10 CA THR D 261 8.622 1.012 -36.664 1.00 66.75 ATOM 11 CA MET D 262 12.179 0.533 -37.866 1.00 74.15 ATOM 12 CA VAL D 263 11.079 -1.957 -40.528 1.00 68.08 ATOM 13 CA THR D 264 8.017 0.042 -41.599 1.00 57.57 ATOM 14 CA THR D 265 10.284 3.046 -41.888 1.00 69.64 ATOM 15 CA ILE D 266 13.195 1.307 -43.560 1.00 81.69 ATOM 16 CA PHE D 267 10.926 0.516 -46.509 1.00 82.87 ATOM 17 CA ALA D 268 8.511 3.347 -47.039 1.00 92.83 ATOM 18 CA VAL D 269 10.322 5.532 -49.463 1.00 76.95 ATOM 19 CA PRO D 270 11.707 2.529 -51.366 1.00 81.55 ATOM 20 CA MET D 271 8.187 1.087 -51.735 1.00 64.27 ATOM 21 CA TRP D 272 6.838 4.413 -52.938 1.00 68.15 ATOM 22 CA ILE D 273 9.699 4.272 -55.452 1.00 61.47 ATOM 23 CA THR D 274 8.777 0.778 -56.623 1.00 68.92 ATOM 24 CA GLY D 275 5.228 2.118 -56.785 1.00 72.00 ATOM 25 CA ILE D 276 6.041 5.037 -59.035 1.00 68.77 ATOM 26 CA TYR D 277 8.060 2.839 -61.387 1.00 68.63 ATOM 27 CA GLY D 278 5.245 0.323 -61.697 1.00 72.57 ATOM 28 CA MET D 279 2.900 2.893 -63.185 1.00 84.82 ATOM 29 CA ASN D 280 1.303 2.587 -66.654 1.00 84.75 ATOM 30 CA PHE D 281 2.281 6.051 -67.836 1.00 87.54 ATOM 31 CA SER D 282 3.641 5.834 -71.363 1.00 94.48 ATOM 32 CA TYR D 283 6.454 8.063 -70.198 1.00 97.33 ATOM 33 CA LEU D 284 8.192 6.923 -67.023 1.00 79.80 ATOM 34 CA PRO D 285 11.213 9.131 -66.607 1.00 82.08 ATOM 35 CA LEU D 286 14.344 6.922 -66.808 1.00 81.72 ATOM 36 CA ALA D 287 12.568 3.664 -67.776 1.00 73.04 ATOM 37 CA ASN D 288 13.939 3.257 -71.291 1.00 91.15 ATOM 38 CA ASN D 289 17.414 4.021 -69.957 1.00 89.26 ATOM 39 CA PRO D 290 19.428 0.747 -69.883 1.00 86.77 ATOM 40 CA GLN D 291 21.314 1.839 -66.819 1.00 82.91 ATOM 41 CA GLY D 292 17.910 2.900 -65.529 1.00 87.00 ATOM 42 CA PHE D 293 16.995 -0.187 -63.540 1.00 89.41 ATOM 43 CA TRP D 294 20.196 -0.286 -61.511 1.00 71.24 ATOM 44 CA LEU D 295 19.974 3.489 -61.234 1.00 76.61 ATOM 45 CA VAL D 296 16.662 3.388 -59.371 1.00 73.87 ATOM 46 CA MET D 297 17.794 0.287 -57.497 1.00 83.11 ATOM 47 CA ALA D 298 20.936 1.931 -56.152 1.00 86.99 ATOM 48 CA LEU D 299 18.670 4.842 -55.269 1.00 77.28 ATOM 49 CA MET D 300 16.379 2.712 -53.128 1.00 78.32 ATOM 50 CA VAL D 301 19.357 0.938 -51.596 1.00 71.17 ATOM 51 CA VAL D 302 20.984 4.264 -50.642 1.00 64.54 ATOM 52 CA ILE D 303 17.702 5.435 -49.105 1.00 63.04 ATOM 53 CA ILE D 304 17.626 2.207 -47.033 1.00 79.94 ATOM 54 CA MET D 305 21.180 2.516 -45.771 1.00 85.57 ATOM 55 CA ILE D 306 20.542 6.202 -44.987 1.00 87.19 ATOM 56 CA PHE D 307 17.689 5.151 -42.693 1.00 78.31 ATOM 57 CA VAL D 308 19.577 2.286 -41.077 1.00 79.66 ATOM 58 CA TYR D 309 22.191 4.865 -40.149 1.00 91.57 ATOM 59 CA ILE D 310 19.588 7.438 -39.115 1.00 88.59 ATOM 60 CA PHE D 311 18.381 4.776 -36.705 1.00 87.71 ATOM 61 CA ARG D 312 21.899 3.732 -35.689 1.00 97.73 ATOM 62 CA ARG D 313 22.209 7.136 -34.085 1.00124.54 ATOM 63 CA SER D 314 20.508 8.323 -32.135 1.00124.22 ATOM 64 CA GLY D 315 20.533 4.571 -31.698 1.00 95.46 ATOM 65 CA TRP D 316 17.551 2.337 -31.922 1.00 83.75 ATOM 66 CA ILE D 317 19.993 -0.123 -33.418 1.00 90.19 TER