HEADER HYDROLASE(SERINE PROTEASE) 11-JUN-93 3HTC TITLE THE STRUCTURE OF A COMPLEX OF RECOMBINANT HIRUDIN AND HUMAN TITLE 2 ALPHA-THROMBIN COMPND MOL_ID: 3; COMPND 2 MOLECULE: HIRUDIN VARIANT 2; COMPND 3 CHAIN: I; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.30 ANGSTORMS DBREF 3HTC I 1 65 UNP P09945 ITH3_HIRME 8 72 SEQRES 1 I 65 ILE THR TYR THR ASP CYS THR GLU SER GLY GLN ASN LEU SEQRES 2 I 65 CYS LEU CYS GLU GLY SER ASN VAL CYS GLY LYS GLY ASN SEQRES 3 I 65 LYS CYS ILE LEU GLY SER ASN GLY LYS GLY ASN GLN CYS SEQRES 4 I 65 VAL THR GLY GLU GLY THR PRO LYS PRO GLU SER HIS ASN SEQRES 5 I 65 ASN GLY ASP PHE GLU GLU ILE PRO GLU GLU TYR LEU GLN ATOM 1 CA ILE I 1 58.626 11.968 54.928 1.00 42.70 ATOM 2 CA THR I 2 60.531 14.977 56.257 1.00 34.66 ATOM 3 CA TYR I 3 58.232 17.373 58.107 1.00 34.82 ATOM 4 CA THR I 4 59.445 20.952 57.564 1.00 46.43 ATOM 5 CA ASP I 5 58.310 24.355 58.914 1.00 31.33 ATOM 6 CA CYS I 6 54.742 25.560 58.169 1.00 47.21 ATOM 7 CA THR I 7 54.900 28.362 55.603 1.00 49.29 ATOM 8 CA GLU I 8 51.334 29.486 55.897 1.00 44.31 ATOM 9 CA SER I 9 48.796 29.680 58.617 1.00 52.40 ATOM 10 CA GLY I 10 46.235 26.871 58.766 1.00 53.58 ATOM 11 CA GLN I 11 48.857 24.508 57.377 1.00 58.41 ATOM 12 CA ASN I 12 49.160 21.101 58.903 1.00 52.39 ATOM 13 CA LEU I 13 51.598 18.146 58.558 1.00 36.54 ATOM 14 CA CYS I 14 54.402 20.607 59.107 1.00 29.62 ATOM 15 CA LEU I 15 56.656 21.715 61.944 1.00 29.83 ATOM 16 CA CYS I 16 54.634 24.320 64.097 1.00 45.01 ATOM 17 CA GLU I 17 55.678 24.484 67.698 1.00 41.58 ATOM 18 CA GLY I 18 59.434 24.238 67.361 1.00 58.59 ATOM 19 CA SER I 19 60.600 20.908 65.904 1.00 36.22 ATOM 20 CA ASN I 20 57.185 19.461 66.576 1.00 41.48 ATOM 21 CA VAL I 21 54.753 18.361 63.942 1.00 45.81 ATOM 22 CA CYS I 22 51.279 19.760 63.835 1.00 40.53 ATOM 23 CA GLY I 23 49.261 16.615 63.058 1.00 48.47 ATOM 24 CA LYS I 24 45.872 16.126 61.366 1.00 50.28 ATOM 25 CA GLY I 25 42.827 17.472 63.247 1.00 50.30 ATOM 26 CA ASN I 26 45.211 20.350 63.901 1.00 38.52 ATOM 27 CA LYS I 27 45.986 23.673 62.374 1.00 50.31 ATOM 28 CA CYS I 28 48.932 25.949 62.755 1.00 55.17 ATOM 29 CA ILE I 29 48.488 29.576 63.580 1.00 55.82 ATOM 30 CA LEU I 30 51.714 31.728 63.761 1.00 45.38 ATOM 31 CA GLY I 31 52.408 35.062 65.310 1.00 60.00 ATOM 32 CA SER I 32 55.797 36.726 65.884 1.00 0.00 ATOM 33 CA ASN I 33 56.513 39.711 68.175 1.00 0.00 ATOM 34 CA GLY I 34 58.560 37.763 70.551 1.00 0.00 ATOM 35 CA LYS I 35 57.430 34.239 69.808 1.00 0.00 ATOM 36 CA GLY I 36 53.954 32.727 69.488 1.00 49.48 ATOM 37 CA ASN I 37 53.444 29.940 67.022 1.00 39.81 ATOM 38 CA GLN I 38 50.621 27.661 68.022 1.00 50.07 ATOM 39 CA CYS I 39 49.285 24.320 66.794 1.00 59.38 ATOM 40 CA VAL I 40 45.571 24.234 67.490 1.00 53.62 ATOM 41 CA THR I 41 42.671 21.864 66.859 1.00 53.33 ATOM 42 CA GLY I 42 41.244 22.352 63.431 1.00 59.82 ATOM 43 CA GLU I 43 41.158 20.913 60.013 1.00 61.66 ATOM 44 CA GLY I 44 44.434 22.148 58.487 1.00 56.36 ATOM 45 CA THR I 45 45.710 21.630 55.068 1.00 47.23 ATOM 46 CA PRO I 46 48.985 19.835 54.707 1.00 48.12 ATOM 47 CA LYS I 47 51.973 21.938 53.755 1.00 53.08 ATOM 48 CA PRO I 48 52.661 20.855 50.191 1.00 52.14 ATOM 49 CA GLU I 49 55.152 18.361 48.819 1.00 36.37 ATOM 50 CA SER I 50 58.312 20.253 48.340 1.00 59.22 ATOM 51 CA HIS I 51 59.330 18.878 44.988 1.00 49.69 ATOM 52 CA ASN I 52 63.123 18.815 45.073 0.00 0.00 ATOM 53 CA ASN I 53 65.082 18.086 41.766 0.00 0.00 ATOM 54 CA GLY I 54 64.836 18.269 37.965 0.00 0.00 ATOM 55 CA ASP I 55 68.187 18.655 36.257 1.00 53.64 ATOM 56 CA PHE I 56 68.166 15.255 34.537 1.00 36.04 ATOM 57 CA GLU I 57 69.759 13.913 31.424 1.00 27.21 ATOM 58 CA GLU I 58 67.897 12.098 28.679 1.00 35.69 ATOM 59 CA ILE I 59 66.674 8.549 29.386 1.00 38.19 ATOM 60 CA PRO I 60 65.709 6.395 26.365 1.00 42.33 ATOM 61 CA GLU I 61 62.141 7.295 25.553 1.00 43.52 ATOM 62 CA GLU I 62 61.310 3.590 25.162 1.00 39.00 ATOM 63 CA TYR I 63 61.052 3.837 28.939 1.00 29.80 ATOM 64 CA LEU I 64 59.666 7.185 29.064 1.00 42.91 ATOM 65 CA GLN I 65 56.276 6.264 27.575 1.00 61.88 TER