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 E 1 317 UNP Q58439 CORA_METJA 1 317 SEQRES 1 E 66 LYS MET ASN GLN ILE MET LYS ILE LEU THR MET VAL THR SEQRES 2 E 66 THR ILE PHE ALA VAL PRO MET TRP ILE THR GLY ILE TYR SEQRES 3 E 66 GLY MET ASN PHE SER TYR LEU PRO LEU ALA ASN ASN PRO SEQRES 4 E 66 GLN GLY PHE TRP LEU VAL MET ALA LEU MET VAL VAL ILE SEQRES 5 E 66 ILE MET ILE PHE VAL TYR ILE PHE ARG ARG SER GLY TRP SEQRES 6 E 66 ILE ATOM 1 CA LYS E 252 -1.484 -9.577 -23.942 1.00107.76 ATOM 2 CA MET E 253 -0.436 -6.513 -25.907 1.00 94.29 ATOM 3 CA ASN E 254 2.810 -8.447 -26.081 1.00 98.95 ATOM 4 CA GLN E 255 1.714 -11.535 -28.008 1.00 93.25 ATOM 5 CA ILE E 256 -0.359 -9.095 -30.109 1.00 69.43 ATOM 6 CA MET E 257 2.404 -6.675 -30.939 1.00 68.84 ATOM 7 CA LYS E 258 4.657 -9.631 -31.620 1.00 78.30 ATOM 8 CA ILE E 259 2.180 -11.049 -34.119 1.00 68.72 ATOM 9 CA LEU E 260 1.699 -7.781 -36.022 1.00 59.81 ATOM 10 CA THR E 261 5.431 -7.073 -35.936 1.00 66.23 ATOM 11 CA MET E 262 6.109 -10.651 -37.126 1.00 71.58 ATOM 12 CA VAL E 263 3.806 -10.678 -40.120 1.00 62.36 ATOM 13 CA THR E 264 5.194 -7.249 -40.942 1.00 59.05 ATOM 14 CA THR E 265 8.828 -8.297 -40.782 1.00 71.21 ATOM 15 CA ILE E 266 8.316 -11.683 -42.400 1.00 75.81 ATOM 16 CA PHE E 267 6.918 -10.081 -45.514 1.00 75.04 ATOM 17 CA ALA E 268 8.595 -6.730 -45.889 1.00 73.10 ATOM 18 CA VAL E 269 11.586 -7.629 -47.981 1.00 64.49 ATOM 19 CA PRO E 270 9.700 -10.109 -50.186 1.00 76.85 ATOM 20 CA MET E 271 7.206 -7.347 -50.862 1.00 70.88 ATOM 21 CA TRP E 272 9.988 -4.937 -51.815 1.00 68.06 ATOM 22 CA ILE E 273 11.267 -7.623 -54.149 1.00 57.13 ATOM 23 CA THR E 274 7.915 -8.138 -55.819 1.00 54.02 ATOM 24 CA GLY E 275 7.765 -4.353 -56.053 1.00 66.02 ATOM 25 CA ILE E 276 11.048 -3.816 -57.854 1.00 75.50 ATOM 26 CA TYR E 277 10.194 -6.724 -60.111 1.00 72.52 ATOM 27 CA GLY E 278 6.957 -5.033 -61.063 1.00 67.99 ATOM 28 CA MET E 279 8.596 -1.789 -62.086 1.00 72.00 ATOM 29 CA ASN E 280 8.338 -1.705 -65.839 1.00 75.58 ATOM 30 CA PHE E 281 11.620 -0.671 -67.339 1.00 85.56 ATOM 31 CA SER E 282 12.840 -1.764 -70.692 1.00 94.86 ATOM 32 CA TYR E 283 15.451 -4.222 -69.332 1.00 99.56 ATOM 33 CA LEU E 284 14.576 -6.219 -66.198 1.00 76.88 ATOM 34 CA PRO E 285 17.360 -8.543 -65.092 1.00 74.59 ATOM 35 CA LEU E 286 16.285 -12.192 -65.119 1.00 70.94 ATOM 36 CA ALA E 287 12.793 -11.169 -66.355 1.00 69.18 ATOM 37 CA ASN E 288 13.283 -12.479 -69.920 1.00 98.20 ATOM 38 CA ASN E 289 14.414 -15.696 -68.295 1.00 86.65 ATOM 39 CA PRO E 290 12.132 -18.740 -68.597 1.00 94.62 ATOM 40 CA GLN E 291 13.325 -19.912 -65.160 1.00109.17 ATOM 41 CA GLY E 292 13.458 -16.345 -63.860 1.00 88.27 ATOM 42 CA PHE E 293 10.076 -16.353 -62.154 1.00 74.64 ATOM 43 CA TRP E 294 10.874 -19.517 -60.233 1.00 85.10 ATOM 44 CA LEU E 295 14.267 -18.042 -59.381 1.00 74.42 ATOM 45 CA VAL E 296 12.736 -14.929 -57.795 1.00 69.87 ATOM 46 CA MET E 297 9.815 -16.813 -56.208 1.00 67.26 ATOM 47 CA ALA E 298 12.484 -19.004 -54.621 1.00 72.71 ATOM 48 CA LEU E 299 14.606 -16.102 -53.386 1.00 77.25 ATOM 49 CA MET E 300 11.455 -14.777 -51.729 1.00 82.36 ATOM 50 CA VAL E 301 10.472 -18.005 -49.985 1.00 71.18 ATOM 51 CA VAL E 302 14.017 -18.412 -48.710 1.00 71.71 ATOM 52 CA ILE E 303 13.995 -14.854 -47.336 1.00 73.69 ATOM 53 CA ILE E 304 10.737 -15.812 -45.606 1.00 73.13 ATOM 54 CA MET E 305 12.068 -19.055 -44.083 1.00 77.16 ATOM 55 CA ILE E 306 15.053 -17.105 -42.773 1.00 73.17 ATOM 56 CA PHE E 307 12.981 -14.455 -41.033 1.00 80.24 ATOM 57 CA VAL E 308 10.772 -17.242 -39.652 1.00 78.45 ATOM 58 CA TYR E 309 13.902 -18.851 -38.229 1.00 81.66 ATOM 59 CA ILE E 310 15.199 -15.616 -36.696 1.00 82.73 ATOM 60 CA PHE E 311 11.716 -15.401 -35.104 1.00 82.66 ATOM 61 CA ARG E 312 11.023 -19.005 -33.954 1.00108.35 ATOM 62 CA ARG E 313 14.561 -19.128 -32.577 1.00110.84 ATOM 63 CA SER E 314 15.174 -16.099 -30.380 1.00113.66 ATOM 64 CA GLY E 315 11.775 -16.237 -28.629 1.00113.27 ATOM 65 CA TRP E 316 8.477 -15.154 -30.205 1.00106.60 ATOM 66 CA ILE E 317 7.040 -18.069 -32.241 1.00 95.74 TER