HEADER POLYRIBONUCLEOTIDE TRANSFERASE 15-JUN-00 1E3H TITLE SEMET DERIVATIVE OF STREPTOMYCES ANTIBIOTICUS PNPASE/GPSI ENZYME COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANOSINE PENTAPHOSPHATE SYNTHETASE; COMPND 3 CHAIN: A; COMPND 4 EC: 2.7.7.8, 2.7.6.5; COMPND 5 ENGINEERED: YES; COMPND 6 BIFUNCTIONAL ENZYME POLYRIBONUCLEOTIDE NUCLEOTIDYL TRANSFERASE, COMPND 7 OTHER_DETAILS: ATP\:GTP DIPHOSPHOTRANSFERASE; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.60 ANGSTORMS DBREF 1E3H A -17 -1 PDB 1E3H 1E3H -17 -1 DBREF 1E3H A 1 740 UNP Q53597 Q53597 1 740 MODRES 1E3H MSE A 63 MET SELENOMETHIONINE MODRES 1E3H MSE A 91 MET SELENOMETHIONINE MODRES 1E3H MSE A 142 MET SELENOMETHIONINE MODRES 1E3H MSE A 201 MET SELENOMETHIONINE MODRES 1E3H MSE A 216 MET SELENOMETHIONINE MODRES 1E3H MSE A 217 MET SELENOMETHIONINE MODRES 1E3H MSE A 399 MET SELENOMETHIONINE MODRES 1E3H MSE A 402 MET SELENOMETHIONINE MODRES 1E3H MSE A 418 MET SELENOMETHIONINE MODRES 1E3H MSE A 481 MET SELENOMETHIONINE MODRES 1E3H MSE A 489 MET SELENOMETHIONINE MODRES 1E3H MSE A 507 MET SELENOMETHIONINE MODRES 1E3H MSE A 536 MET SELENOMETHIONINE MODRES 1E3H MSE A 582 MET SELENOMETHIONINE MODRES 1E3H MSE A 583 MET SELENOMETHIONINE MODRES 1E3H MSE A 592 MET SELENOMETHIONINE SEQRES 1 A 25 ALA PRO ARG ILE ILE GLN ILE GLN GLU ASP THR GLY ALA SEQRES 2 A 25 GLU ILE TYR ILE GLY ALA ALA ASP GLY PRO ALA ALA ATOM 1 N ALA A 596 -17.588 20.173 60.188 1.00 52.93 ATOM 2 CA ALA A 596 -16.164 20.114 60.490 1.00 52.71 ATOM 3 C ALA A 596 -15.943 19.848 61.968 1.00 52.96 ATOM 4 O ALA A 596 -16.748 20.244 62.802 1.00 53.42 ATOM 5 CB ALA A 596 -15.495 21.414 60.087 1.00 51.71 ATOM 6 N PRO A 597 -14.849 19.161 62.314 1.00 54.46 ATOM 7 CA PRO A 597 -14.582 18.879 63.724 1.00 57.42 ATOM 8 C PRO A 597 -14.017 20.101 64.442 1.00 59.93 ATOM 9 O PRO A 597 -13.410 20.977 63.827 1.00 59.97 ATOM 10 CB PRO A 597 -13.578 17.734 63.655 1.00 54.80 ATOM 11 CG PRO A 597 -12.777 18.097 62.461 1.00 53.99 ATOM 12 CD PRO A 597 -13.847 18.507 61.456 1.00 55.10 ATOM 13 N ARG A 598 -14.232 20.156 65.749 1.00 63.81 ATOM 14 CA ARG A 598 -13.733 21.255 66.557 1.00 66.18 ATOM 15 C ARG A 598 -12.566 20.739 67.388 1.00 66.87 ATOM 16 O ARG A 598 -12.700 19.757 68.115 1.00 66.59 ATOM 17 CB ARG A 598 -14.841 21.781 67.463 1.00 66.62 ATOM 18 CG ARG A 598 -16.025 22.367 66.709 1.00 69.19 ATOM 19 CD ARG A 598 -15.641 23.643 65.979 1.00 71.91 ATOM 20 NE ARG A 598 -16.792 24.275 65.337 1.00 75.70 ATOM 21 CZ ARG A 598 -17.439 23.775 64.288 1.00 78.39 ATOM 22 NH1 ARG A 598 -17.047 22.633 63.742 1.00 79.86 ATOM 23 NH2 ARG A 598 -18.476 24.425 63.776 1.00 79.43 ATOM 24 N ILE A 599 -11.420 21.398 67.255 1.00 69.45 ATOM 25 CA ILE A 599 -10.206 21.022 67.973 1.00 73.21 ATOM 26 C ILE A 599 -9.876 22.135 68.971 1.00 75.78 ATOM 27 O ILE A 599 -10.129 23.309 68.694 1.00 75.93 ATOM 28 CB ILE A 599 -9.008 20.886 66.998 1.00 73.25 ATOM 29 CG1 ILE A 599 -9.414 20.098 65.743 1.00 73.94 ATOM 30 CG2 ILE A 599 -7.845 20.220 67.708 1.00 72.19 ATOM 31 CD1 ILE A 599 -9.629 18.603 65.960 1.00 74.79 ATOM 32 N ILE A 600 -9.312 21.781 70.122 1.00 77.75 ATOM 33 CA ILE A 600 -8.961 22.797 71.115 1.00 80.93 ATOM 34 C ILE A 600 -7.462 23.128 71.105 1.00 82.24 ATOM 35 O ILE A 600 -6.656 22.512 71.810 1.00 83.87 ATOM 36 CB ILE A 600 -9.391 22.364 72.545 1.00 80.43 ATOM 37 CG1 ILE A 600 -10.917 22.272 72.626 1.00 78.94 ATOM 38 CG2 ILE A 600 -8.891 23.375 73.575 1.00 81.19 ATOM 39 CD1 ILE A 600 -11.628 23.595 72.400 1.00 74.65 ATOM 40 N GLN A 622 -12.365 5.280 77.016 1.00100.00 ATOM 41 CA GLN A 622 -12.499 5.796 78.375 1.00100.00 ATOM 42 C GLN A 622 -13.231 7.141 78.373 1.00100.00 ATOM 43 O GLN A 622 -14.461 7.189 78.481 1.00100.00 ATOM 44 CB GLN A 622 -11.113 5.944 79.022 1.00100.00 ATOM 45 N ILE A 623 -12.468 8.228 78.254 1.00100.00 ATOM 46 CA ILE A 623 -13.034 9.575 78.226 1.00100.00 ATOM 47 C ILE A 623 -13.518 9.895 76.812 1.00100.00 ATOM 48 O ILE A 623 -14.318 10.813 76.610 1.00100.00 ATOM 49 CB ILE A 623 -11.987 10.595 78.670 1.00100.00 ATOM 50 N GLN A 624 -13.024 9.124 75.843 1.00100.00 ATOM 51 CA GLN A 624 -13.390 9.292 74.435 1.00100.00 ATOM 52 C GLN A 624 -14.785 8.726 74.176 1.00100.00 ATOM 53 O GLN A 624 -15.373 8.953 73.117 1.00100.00 ATOM 54 CB GLN A 624 -12.363 8.596 73.536 1.00100.00 ATOM 55 N GLU A 625 -15.300 7.980 75.148 1.00100.00 ATOM 56 CA GLU A 625 -16.633 7.391 75.054 1.00100.00 ATOM 57 C GLU A 625 -17.600 8.266 75.862 1.00100.00 ATOM 58 O GLU A 625 -18.725 8.542 75.427 1.00100.00 ATOM 59 CB GLU A 625 -16.616 5.962 75.605 1.00100.00 ATOM 60 N ASP A 626 -17.138 8.704 77.033 1.00100.00 ATOM 61 CA ASP A 626 -17.926 9.553 77.922 1.00100.00 ATOM 62 C ASP A 626 -18.100 10.956 77.333 1.00100.00 ATOM 63 O ASP A 626 -19.210 11.498 77.317 1.00100.00 ATOM 64 CB ASP A 626 -17.251 9.638 79.299 1.00100.00 ATOM 65 N THR A 627 -17.004 11.535 76.844 1.00100.00 ATOM 66 CA THR A 627 -17.031 12.876 76.257 1.00100.00 ATOM 67 C THR A 627 -17.366 12.855 74.761 1.00100.00 ATOM 68 O THR A 627 -17.672 13.896 74.169 1.00100.00 ATOM 69 CB THR A 627 -15.684 13.572 76.483 1.00100.00 ATOM 70 N GLY A 628 -17.309 11.668 74.160 1.00100.00 ATOM 71 CA GLY A 628 -17.602 11.530 72.743 1.00100.00 ATOM 72 C GLY A 628 -16.559 12.204 71.864 1.00100.00 ATOM 73 O GLY A 628 -16.790 12.431 70.673 1.00100.00 ATOM 74 N ALA A 629 -15.405 12.514 72.453 1.00100.00 ATOM 75 CA ALA A 629 -14.321 13.179 71.736 1.00100.00 ATOM 76 C ALA A 629 -13.011 12.389 71.762 1.00100.00 ATOM 77 O ALA A 629 -12.594 11.885 72.807 1.00100.00 ATOM 78 CB ALA A 629 -14.098 14.569 72.323 1.00100.00 ATOM 79 N GLU A 630 -12.367 12.294 70.600 1.00100.00 ATOM 80 CA GLU A 630 -11.096 11.585 70.466 1.00100.00 ATOM 81 C GLU A 630 -9.939 12.537 70.780 1.00100.00 ATOM 82 O GLU A 630 -9.858 13.630 70.218 1.00100.00 ATOM 83 CB GLU A 630 -10.952 11.028 69.046 1.00100.00 ATOM 84 N ILE A 631 -9.053 12.118 71.681 1.00100.00 ATOM 85 CA ILE A 631 -7.907 12.937 72.068 1.00100.00 ATOM 86 C ILE A 631 -6.609 12.404 71.463 1.00100.00 ATOM 87 O ILE A 631 -5.715 13.173 71.101 1.00100.00 ATOM 88 CB ILE A 631 -7.796 12.987 73.590 1.00100.00 ATOM 89 N TYR A 640 -3.771 18.119 72.679 1.00100.00 ATOM 90 CA TYR A 640 -4.710 18.715 71.731 1.00100.00 ATOM 91 C TYR A 640 -5.820 17.725 71.381 1.00100.00 ATOM 92 O TYR A 640 -5.620 16.802 70.585 1.00100.00 ATOM 93 CB TYR A 640 -3.972 19.155 70.458 1.00100.00 ATOM 94 N ILE A 641 -6.990 17.924 71.981 1.00100.00 ATOM 95 CA ILE A 641 -8.135 17.051 71.742 1.00100.00 ATOM 96 C ILE A 641 -9.341 17.834 71.237 1.00100.00 ATOM 97 O ILE A 641 -9.550 18.995 71.601 1.00100.00 ATOM 98 CB ILE A 641 -8.499 16.297 73.024 1.00100.00 ATOM 99 N GLY A 642 -10.130 17.182 70.392 1.00100.00 ATOM 100 CA GLY A 642 -11.312 17.810 69.842 1.00100.00 ATOM 101 C GLY A 642 -12.303 16.748 69.420 1.00100.00 ATOM 102 O GLY A 642 -13.213 16.399 70.173 1.00100.00 ATOM 103 N ALA A 643 -12.116 16.228 68.212 1.00100.00 ATOM 104 CA ALA A 643 -12.980 15.189 67.656 1.00100.00 ATOM 105 C ALA A 643 -14.442 15.370 68.053 1.00100.00 ATOM 106 O ALA A 643 -15.158 14.394 68.290 1.00100.00 ATOM 107 CB ALA A 643 -12.484 13.806 68.089 1.00100.00 ATOM 108 N ALA A 644 -14.880 16.621 68.132 1.00100.00 ATOM 109 CA ALA A 644 -16.257 16.913 68.486 1.00100.00 ATOM 110 C ALA A 644 -16.930 17.524 67.273 1.00100.00 ATOM 111 O ALA A 644 -16.379 18.426 66.644 1.00100.00 ATOM 112 CB ALA A 644 -16.305 17.879 69.655 1.00100.00 ATOM 113 N ASP A 645 -18.114 17.026 66.939 1.00100.00 ATOM 114 CA ASP A 645 -18.858 17.542 65.796 1.00100.00 ATOM 115 C ASP A 645 -19.051 19.045 65.975 1.00100.00 ATOM 116 O ASP A 645 -19.394 19.764 65.032 1.00100.00 ATOM 117 CB ASP A 645 -20.211 16.844 65.696 1.00100.00 ATOM 118 N GLY A 646 -18.811 19.509 67.196 1.00100.00 ATOM 119 CA GLY A 646 -18.962 20.915 67.514 1.00100.00 ATOM 120 C GLY A 646 -19.294 21.061 68.986 1.00100.00 ATOM 121 O GLY A 646 -18.646 21.835 69.696 1.00100.00 ATOM 122 N PRO A 647 -20.305 20.318 69.475 1.00100.00 ATOM 123 CA PRO A 647 -20.735 20.354 70.876 1.00100.00 ATOM 124 C PRO A 647 -19.588 20.183 71.873 1.00100.00 ATOM 125 O PRO A 647 -18.813 21.118 72.097 1.00100.00 ATOM 126 CB PRO A 647 -21.745 19.212 70.947 1.00100.00 ATOM 127 CG PRO A 647 -22.382 19.268 69.601 1.00100.00 ATOM 128 CD PRO A 647 -21.184 19.428 68.691 1.00100.00 ATOM 129 N ALA A 648 -19.487 18.988 72.457 1.00100.00 ATOM 130 CA ALA A 648 -18.453 18.680 73.442 1.00100.00 ATOM 131 C ALA A 648 -18.060 19.949 74.188 1.00100.00 ATOM 132 O ALA A 648 -16.879 20.297 74.266 1.00100.00 ATOM 133 CB ALA A 648 -17.238 18.074 72.757 1.00100.00 ATOM 134 N ALA A 649 -19.072 20.635 74.721 1.00100.00 ATOM 135 CA ALA A 649 -18.899 21.888 75.457 1.00100.00 ATOM 136 C ALA A 649 -18.687 23.054 74.483 1.00100.00 ATOM 137 O ALA A 649 -17.647 23.744 74.606 1.00100.00 ATOM 138 CB ALA A 649 -17.712 21.781 76.440 1.00100.00 TER