HEADER HISTOCOMPATIBILITY ANTIGEN 15-OCT-87 1HLA TITLE STRUCTURE OF THE HUMAN CLASS I HISTOCOMPATIBILITY ANTIGEN, HLA-A2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CLASS I HISTOCOMPATIBILITY ANTIGEN (HLA-A2) (ALPHA CHAIN); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.50 ANGSTORMS DBREF 1HLA A 1 270 UNP P01892 1A02_HUMAN 25 294 SEQRES 1 A 89 THR ASP ALA PRO LYS THR HIS MET THR HIS HIS ALA VAL SEQRES 2 A 89 SER ASP HIS GLU ALA THR LEU ARG CYS TRP ALA LEU SER SEQRES 3 A 89 PHE TYR PRO ALA GLU ILE THR LEU THR TRP GLN ARG ASP SEQRES 4 A 89 GLY GLU ASP GLN THR GLN ASP THR GLU LEU VAL GLU THR SEQRES 5 A 89 ARG PRO ALA GLY ASP GLY THR PHE GLN LYS TRP ALA ALA SEQRES 6 A 89 VAL VAL VAL PRO SER GLY GLN GLU GLN ARG TYR THR CYS SEQRES 7 A 89 HIS VAL GLN HIS GLU GLY LEU PRO LYS PRO LEU ATOM 1 CA THR A 182 54.881 54.041 92.576 1.00 0.00 ATOM 2 CA ASP A 183 54.228 54.975 88.915 1.00 0.00 ATOM 3 CA ALA A 184 51.344 56.438 87.373 1.00 0.00 ATOM 4 CA PRO A 185 50.210 56.046 84.108 1.00 0.00 ATOM 5 CA LYS A 186 49.395 58.507 81.430 1.00 0.00 ATOM 6 CA THR A 187 48.066 57.681 78.105 1.00 0.00 ATOM 7 CA HIS A 188 46.764 58.784 74.852 1.00 0.00 ATOM 8 CA MET A 189 43.866 58.904 72.903 1.00 0.00 ATOM 9 CA THR A 190 43.602 57.838 69.448 1.00 0.00 ATOM 10 CA HIS A 191 40.900 57.574 66.952 1.00 0.00 ATOM 11 CA HIS A 192 40.614 55.415 64.199 1.00 0.00 ATOM 12 CA ALA A 193 37.305 54.569 62.013 1.00 0.00 ATOM 13 CA VAL A 194 35.032 51.832 62.226 1.00 0.00 ATOM 14 CA SER A 195 33.292 52.600 58.708 1.00 0.00 ATOM 15 CA ASP A 196 31.861 56.080 57.672 1.00 0.00 ATOM 16 CA HIS A 197 30.310 57.795 60.494 1.00 0.00 ATOM 17 CA GLU A 198 31.477 55.683 62.791 1.00 0.00 ATOM 18 CA ALA A 199 34.634 56.253 65.272 1.00 0.00 ATOM 19 CA THR A 200 36.339 54.377 67.752 1.00 0.00 ATOM 20 CA LEU A 201 38.451 56.099 70.033 1.00 0.00 ATOM 21 CA ARG A 202 40.982 54.212 72.331 1.00 0.00 ATOM 22 CA CYS A 203 42.202 54.877 76.187 1.00 0.00 ATOM 23 CA TRP A 204 45.748 53.477 76.811 1.00 0.00 ATOM 24 CA ALA A 205 47.702 54.016 79.464 1.00 0.00 ATOM 25 CA LEU A 206 50.649 52.442 79.734 1.00 0.00 ATOM 26 CA SER A 207 52.607 52.041 82.595 1.00 0.00 ATOM 27 CA PHE A 208 51.842 50.733 86.437 1.00 0.00 ATOM 28 CA TYR A 209 52.518 49.676 89.396 1.00 0.00 ATOM 29 CA PRO A 210 49.815 47.902 90.392 1.00 0.00 ATOM 30 CA ALA A 211 48.299 46.445 87.866 1.00 0.00 ATOM 31 CA GLU A 212 45.102 47.635 88.924 1.00 0.00 ATOM 32 CA ILE A 213 43.006 50.021 87.643 1.00 0.00 ATOM 33 CA THR A 214 39.986 51.159 86.485 1.00 0.00 ATOM 34 CA LEU A 215 39.485 52.365 83.134 1.00 0.00 ATOM 35 CA THR A 216 36.015 53.591 83.294 1.00 0.00 ATOM 36 CA TRP A 217 34.532 55.884 80.375 1.00 0.00 ATOM 37 CA GLN A 218 31.948 58.404 80.745 1.00 0.00 ATOM 38 CA ARG A 219 29.533 59.826 78.331 1.00 0.00 ATOM 39 CA ASP A 220 27.439 62.924 78.751 1.00 0.00 ATOM 40 CA GLY A 221 28.277 62.957 82.468 1.00 0.00 ATOM 41 CA GLU A 222 26.923 59.628 82.472 1.00 0.00 ATOM 42 CA ASP A 223 28.096 56.370 81.738 1.00 0.00 ATOM 43 CA GLN A 224 28.195 54.400 78.851 1.00 0.00 ATOM 44 CA THR A 225 29.301 51.068 79.581 1.00 0.00 ATOM 45 CA GLN A 226 27.310 49.257 77.139 1.00 0.00 ATOM 46 CA ASP A 227 28.396 49.474 73.551 1.00 0.00 ATOM 47 CA THR A 228 32.270 49.368 73.816 1.00 0.00 ATOM 48 CA GLU A 229 35.398 46.650 74.667 1.00 0.00 ATOM 49 CA LEU A 230 38.293 47.000 77.105 1.00 0.00 ATOM 50 CA VAL A 231 40.961 44.533 77.753 1.00 0.00 ATOM 51 CA GLU A 232 42.010 42.786 80.712 1.00 0.00 ATOM 52 CA THR A 233 45.135 43.810 81.583 1.00 0.00 ATOM 53 CA ARG A 234 48.393 42.670 79.940 1.00 0.00 ATOM 54 CA PRO A 235 52.340 42.591 81.470 1.00 0.00 ATOM 55 CA ALA A 236 55.532 44.064 79.546 1.00 0.00 ATOM 56 CA GLY A 237 59.079 42.631 79.954 1.00 0.00 ATOM 57 CA ASP A 238 59.614 45.766 81.709 1.00 0.00 ATOM 58 CA GLY A 239 57.081 45.859 85.214 1.00 0.00 ATOM 59 CA THR A 240 55.000 48.150 83.066 1.00 0.00 ATOM 60 CA PHE A 241 51.109 47.039 82.359 1.00 0.00 ATOM 61 CA GLN A 242 48.810 48.453 79.759 1.00 0.00 ATOM 62 CA LYS A 243 45.045 49.001 79.374 1.00 0.00 ATOM 63 CA TRP A 244 43.221 49.918 76.114 1.00 0.00 ATOM 64 CA ALA A 245 39.466 50.623 76.058 1.00 0.00 ATOM 65 CA ALA A 246 37.064 51.456 73.170 1.00 0.00 ATOM 66 CA VAL A 247 33.714 52.841 71.764 1.00 0.00 ATOM 67 CA VAL A 248 32.343 53.088 68.335 1.00 0.00 ATOM 68 CA VAL A 249 31.280 56.366 67.943 1.00 0.00 ATOM 69 CA PRO A 250 29.153 57.806 65.386 1.00 0.00 ATOM 70 CA SER A 251 31.969 60.197 64.385 1.00 0.00 ATOM 71 CA GLY A 252 29.868 63.096 63.606 1.00 0.00 ATOM 72 CA GLN A 253 30.522 63.828 67.125 1.00 0.00 ATOM 73 CA GLU A 254 32.838 62.523 68.986 1.00 0.00 ATOM 74 CA GLN A 255 33.012 64.401 72.002 1.00 0.00 ATOM 75 CA ARG A 256 30.806 64.088 74.837 1.00 0.00 ATOM 76 CA TYR A 257 32.819 61.273 75.921 1.00 0.00 ATOM 77 CA THR A 258 35.627 61.473 78.483 1.00 0.00 ATOM 78 CA CYS A 259 37.384 58.343 80.167 1.00 0.00 ATOM 79 CA HIS A 260 38.419 57.570 83.614 1.00 0.00 ATOM 80 CA VAL A 261 41.360 55.979 84.969 1.00 0.00 ATOM 81 CA GLN A 262 42.341 54.927 88.590 1.00 0.00 ATOM 82 CA HIS A 263 45.644 54.380 89.186 1.00 0.00 ATOM 83 CA GLU A 264 47.085 55.094 92.228 1.00 0.00 ATOM 84 CA GLY A 265 49.335 57.484 91.901 1.00 0.00 ATOM 85 CA LEU A 266 48.049 60.699 90.707 1.00 0.00 ATOM 86 CA PRO A 267 44.610 61.994 91.856 1.00 0.00 ATOM 87 CA LYS A 268 43.087 61.353 89.750 1.00 0.00 ATOM 88 CA PRO A 269 41.504 61.823 86.129 1.00 0.00 ATOM 89 CA LEU A 270 38.937 63.601 84.791 1.00 0.00 TER