HEADER TRANSFERASE 31-DEC-69 5G2X TITLE Structure a of Group II Intron Complexed with its Reverse TITLE 2 Transcriptase COMPND MOL_ID: 3; COMPND 2 MOLECULE: GROUP II INTRON-ENCODED PROTEIN LTRA; COMPND 3 CHAIN: C; COMPND 4 EC: 2.7.7.49, 3.1.-.-; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 LYS C 562 REMARK 465 VAL C 563 REMARK 465 LYS C 564 REMARK 465 ASN C 565 REMARK 465 LEU C 566 REMARK 465 LYS C 567 REMARK 465 GLY C 568 REMARK 465 LYS C 569 REMARK 465 GLU C 570 REMARK 465 LYS C 571 REMARK 465 TRP C 572 REMARK 465 GLU C 573 REMARK 465 MET C 574 REMARK 465 ALA C 575 REMARK 465 MET C 576 REMARK 465 ILE C 577 REMARK 465 ALA C 578 REMARK 465 LYS C 579 REMARK 465 GLN C 580 DBREF 5G2X C 1 599 UNP P0A3U0 LTRA_LACLC 1 599 SEQRES 1 C 51 LYS CYS CYS GLU LEU CYS GLY THR SER ASP GLU ASN THR SEQRES 2 C 51 SER TYR GLU ILE HIS HIS VAL ASN LYS VAL LYS ASN LEU SEQRES 3 C 51 LYS GLY LYS GLU LYS TRP GLU MET ALA MET ILE ALA LYS SEQRES 4 C 51 GLN ARG LYS THR LEU VAL VAL CYS PHE HIS CYS HIS ATOM 1 N LYS C 541 128.971 124.245 160.885 1.00 0.00 ATOM 2 CA LYS C 541 129.935 123.247 160.429 1.00 0.00 ATOM 3 C LYS C 541 131.367 123.788 160.411 1.00 0.00 ATOM 4 O LYS C 541 131.916 124.034 159.338 1.00 0.00 ATOM 5 CB LYS C 541 129.564 122.749 159.029 1.00 0.00 ATOM 6 CG LYS C 541 128.223 122.041 158.939 1.00 0.00 ATOM 7 CD LYS C 541 127.834 121.788 157.491 1.00 0.00 ATOM 8 CE LYS C 541 128.855 120.910 156.788 1.00 0.00 ATOM 9 NZ LYS C 541 128.949 119.562 157.412 1.00 0.00 ATOM 10 N CYS C 542 131.977 123.976 161.581 1.00 0.00 ATOM 11 CA CYS C 542 131.347 123.730 162.876 1.00 0.00 ATOM 12 C CYS C 542 131.685 124.866 163.840 1.00 0.00 ATOM 13 O CYS C 542 132.212 124.638 164.929 1.00 0.00 ATOM 14 CB CYS C 542 131.794 122.385 163.452 1.00 0.00 ATOM 15 SG CYS C 542 133.586 122.152 163.523 1.00 0.00 ATOM 16 N CYS C 543 131.370 126.094 163.427 1.00 0.00 ATOM 17 CA CYS C 543 131.744 127.289 164.174 1.00 0.00 ATOM 18 C CYS C 543 130.789 127.578 165.329 1.00 0.00 ATOM 19 O CYS C 543 131.236 127.827 166.453 1.00 0.00 ATOM 20 CB CYS C 543 131.805 128.495 163.230 1.00 0.00 ATOM 21 SG CYS C 543 132.879 128.264 161.797 1.00 0.00 ATOM 22 N GLU C 544 129.481 127.554 165.061 1.00 0.00 ATOM 23 CA GLU C 544 128.456 127.879 166.049 1.00 0.00 ATOM 24 C GLU C 544 128.664 129.282 166.606 1.00 0.00 ATOM 25 O GLU C 544 129.261 129.455 167.673 1.00 0.00 ATOM 26 CB GLU C 544 128.444 126.843 167.180 1.00 0.00 ATOM 27 CG GLU C 544 127.328 127.031 168.200 1.00 0.00 ATOM 28 CD GLU C 544 125.950 126.761 167.626 1.00 0.00 ATOM 29 OE1 GLU C 544 125.857 126.058 166.597 1.00 0.00 ATOM 30 OE2 GLU C 544 124.959 127.252 168.206 1.00 0.00 ATOM 31 N LEU C 545 128.179 130.292 165.883 1.00 0.00 ATOM 32 CA LEU C 545 128.325 131.678 166.311 1.00 0.00 ATOM 33 C LEU C 545 127.003 132.423 166.190 1.00 0.00 ATOM 34 O LEU C 545 126.589 133.123 167.120 1.00 0.00 ATOM 35 CB LEU C 545 129.409 132.383 165.492 1.00 0.00 ATOM 36 CG LEU C 545 130.834 131.849 165.641 1.00 0.00 ATOM 37 CD1 LEU C 545 131.791 132.594 164.726 1.00 0.00 ATOM 38 CD2 LEU C 545 131.290 131.944 167.089 1.00 0.00 ATOM 39 N CYS C 546 126.333 132.278 165.045 1.00 0.00 ATOM 40 CA CYS C 546 125.079 132.969 164.787 1.00 0.00 ATOM 41 C CYS C 546 124.003 132.094 164.164 1.00 0.00 ATOM 42 O CYS C 546 122.835 132.225 164.547 1.00 0.00 ATOM 43 CB CYS C 546 125.315 134.181 163.870 1.00 0.00 ATOM 44 SG CYS C 546 126.091 133.774 162.289 1.00 0.00 ATOM 45 N GLY C 547 124.350 131.216 163.225 1.00 0.00 ATOM 46 CA GLY C 547 123.370 130.346 162.605 1.00 0.00 ATOM 47 C GLY C 547 123.746 129.881 161.212 1.00 0.00 ATOM 48 O GLY C 547 123.096 128.993 160.652 1.00 0.00 ATOM 49 N THR C 548 124.791 130.471 160.641 1.00 0.00 ATOM 50 CA THR C 548 125.239 130.107 159.306 1.00 0.00 ATOM 51 C THR C 548 126.397 129.116 159.379 1.00 0.00 ATOM 52 O THR C 548 126.995 128.895 160.435 1.00 0.00 ATOM 53 CB THR C 548 125.663 131.348 158.519 1.00 0.00 ATOM 54 OG1 THR C 548 126.744 132.000 159.196 1.00 0.00 ATOM 55 CG2 THR C 548 124.497 132.315 158.385 1.00 0.00 ATOM 56 N SER C 549 126.706 128.514 158.233 1.00 0.00 ATOM 57 CA SER C 549 127.780 127.536 158.150 1.00 0.00 ATOM 58 C SER C 549 128.251 127.425 156.708 1.00 0.00 ATOM 59 O SER C 549 127.463 127.564 155.768 1.00 0.00 ATOM 60 CB SER C 549 127.335 126.163 158.666 1.00 0.00 ATOM 61 OG SER C 549 126.273 125.643 157.885 1.00 0.00 ATOM 62 N ASP C 550 129.549 127.169 156.545 1.00 0.00 ATOM 63 CA ASP C 550 130.138 126.998 155.223 1.00 0.00 ATOM 64 C ASP C 550 130.833 125.647 155.120 1.00 0.00 ATOM 65 O ASP C 550 130.399 124.669 155.738 1.00 0.00 ATOM 66 CB ASP C 550 131.121 128.132 154.923 1.00 0.00 ATOM 67 CG ASP C 550 130.453 129.493 154.907 1.00 0.00 ATOM 68 OD1 ASP C 550 129.241 129.559 154.611 1.00 0.00 ATOM 69 OD2 ASP C 550 131.139 130.498 155.190 1.00 0.00 ATOM 70 N GLU C 551 131.913 125.581 154.345 1.00 0.00 ATOM 71 CA GLU C 551 132.665 124.352 154.156 1.00 0.00 ATOM 72 C GLU C 551 134.058 124.505 154.752 1.00 0.00 ATOM 73 O GLU C 551 134.556 125.616 154.947 1.00 0.00 ATOM 74 CB GLU C 551 132.768 123.975 152.672 1.00 0.00 ATOM 75 CG GLU C 551 131.434 123.640 152.026 1.00 0.00 ATOM 76 CD GLU C 551 131.576 123.235 150.573 1.00 0.00 ATOM 77 OE1 GLU C 551 132.687 123.379 150.019 1.00 0.00 ATOM 78 OE2 GLU C 551 130.577 122.770 149.984 1.00 0.00 ATOM 79 N ASN C 552 134.686 123.362 155.038 1.00 0.00 ATOM 80 CA ASN C 552 136.027 123.368 155.610 1.00 0.00 ATOM 81 C ASN C 552 137.076 123.871 154.627 1.00 0.00 ATOM 82 O ASN C 552 138.170 124.257 155.052 1.00 0.00 ATOM 83 CB ASN C 552 136.400 121.965 156.094 1.00 0.00 ATOM 84 CG ASN C 552 135.478 121.460 157.186 1.00 0.00 ATOM 85 OD1 ASN C 552 134.879 120.392 157.064 1.00 0.00 ATOM 86 ND2 ASN C 552 135.361 122.228 158.263 1.00 0.00 ATOM 87 N THR C 553 136.770 123.877 153.332 1.00 0.00 ATOM 88 CA THR C 553 137.701 124.317 152.294 1.00 0.00 ATOM 89 C THR C 553 137.392 125.728 151.813 1.00 0.00 ATOM 90 O THR C 553 137.613 126.057 150.644 1.00 0.00 ATOM 91 CB THR C 553 137.683 123.340 151.122 1.00 0.00 ATOM 92 OG1 THR C 553 136.371 123.305 150.547 1.00 0.00 ATOM 93 CG2 THR C 553 138.062 121.942 151.591 1.00 0.00 ATOM 94 N SER C 554 136.883 126.586 152.696 1.00 0.00 ATOM 95 CA SER C 554 136.511 127.941 152.308 1.00 0.00 ATOM 96 C SER C 554 136.747 128.927 153.446 1.00 0.00 ATOM 97 O SER C 554 136.497 130.127 153.296 1.00 0.00 ATOM 98 CB SER C 554 135.047 127.984 151.865 1.00 0.00 ATOM 99 OG SER C 554 134.187 127.560 152.908 1.00 0.00 ATOM 100 N TYR C 555 137.225 128.433 154.584 1.00 0.00 ATOM 101 CA TYR C 555 137.483 129.291 155.731 1.00 0.00 ATOM 102 C TYR C 555 138.801 130.033 155.557 1.00 0.00 ATOM 103 O TYR C 555 139.716 129.556 154.878 1.00 0.00 ATOM 104 CB TYR C 555 137.511 128.469 157.020 1.00 0.00 ATOM 105 CG TYR C 555 136.177 127.861 157.393 1.00 0.00 ATOM 106 CD1 TYR C 555 134.988 128.406 156.926 1.00 0.00 ATOM 107 CD2 TYR C 555 136.107 126.743 158.213 1.00 0.00 ATOM 108 CE1 TYR C 555 133.768 127.854 157.263 1.00 0.00 ATOM 109 CE2 TYR C 555 134.890 126.184 158.556 1.00 0.00 ATOM 110 CZ TYR C 555 133.724 126.744 158.079 1.00 0.00 ATOM 111 OH TYR C 555 132.509 126.192 158.417 1.00 0.00 ATOM 112 N GLU C 556 138.893 131.207 156.176 1.00 0.00 ATOM 113 CA GLU C 556 140.094 132.027 156.112 1.00 0.00 ATOM 114 C GLU C 556 140.817 131.986 157.453 1.00 0.00 ATOM 115 O GLU C 556 140.195 132.150 158.507 1.00 0.00 ATOM 116 CB GLU C 556 139.743 133.469 155.741 1.00 0.00 ATOM 117 CG GLU C 556 140.943 134.400 155.632 1.00 0.00 ATOM 118 CD GLU C 556 141.827 134.086 154.439 1.00 0.00 ATOM 119 OE1 GLU C 556 141.346 133.424 153.494 1.00 0.00 ATOM 120 OE2 GLU C 556 143.004 134.502 154.445 1.00 0.00 ATOM 121 N ILE C 557 142.129 131.765 157.406 1.00 0.00 ATOM 122 CA ILE C 557 142.927 131.682 158.625 1.00 0.00 ATOM 123 C ILE C 557 143.036 133.070 159.243 1.00 0.00 ATOM 124 O ILE C 557 143.597 133.992 158.641 1.00 0.00 ATOM 125 CB ILE C 557 144.313 131.093 158.334 1.00 30.00 ATOM 126 CG1 ILE C 557 144.181 129.684 157.752 1.00 30.00 ATOM 127 CG2 ILE C 557 145.159 131.076 159.598 1.00 30.00 ATOM 128 CD1 ILE C 557 145.506 129.042 157.399 1.00 30.00 ATOM 129 N HIS C 558 142.500 133.222 160.448 1.00 0.00 ATOM 130 CA HIS C 558 142.543 134.494 161.159 1.00 0.00 ATOM 131 C HIS C 558 142.547 134.198 162.656 1.00 0.00 ATOM 132 O HIS C 558 142.865 133.081 163.079 1.00 0.00 ATOM 133 CB HIS C 558 141.370 135.390 160.724 1.00 0.00 ATOM 134 CG HIS C 558 140.023 134.787 160.975 1.00 0.00 ATOM 135 ND1 HIS C 558 139.445 133.873 160.120 1.00 0.00 ATOM 136 CD2 HIS C 558 139.138 134.968 161.985 1.00 0.00 ATOM 137 CE1 HIS C 558 138.264 133.517 160.593 1.00 0.00 ATOM 138 NE2 HIS C 558 138.054 134.167 161.723 1.00 0.00 ATOM 139 N HIS C 559 142.192 135.197 163.460 1.00 0.00 ATOM 140 CA HIS C 559 142.159 135.068 164.909 1.00 0.00 ATOM 141 C HIS C 559 140.834 135.601 165.436 1.00 0.00 ATOM 142 O HIS C 559 140.047 136.212 164.707 1.00 0.00 ATOM 143 CB HIS C 559 143.333 135.809 165.563 1.00 0.00 ATOM 144 CG HIS C 559 144.678 135.325 165.116 1.00 0.00 ATOM 145 ND1 HIS C 559 145.259 134.178 165.613 1.00 0.00 ATOM 146 CD2 HIS C 559 145.555 135.832 164.218 1.00 0.00 ATOM 147 CE1 HIS C 559 146.436 134.000 165.041 1.00 0.00 ATOM 148 NE2 HIS C 559 146.640 134.989 164.190 1.00 0.00 ATOM 149 N VAL C 560 140.590 135.359 166.725 1.00 0.00 ATOM 150 CA VAL C 560 139.348 135.811 167.344 1.00 0.00 ATOM 151 C VAL C 560 139.395 137.314 167.595 1.00 0.00 ATOM 152 O VAL C 560 138.466 138.049 167.240 1.00 0.00 ATOM 153 CB VAL C 560 139.081 135.030 168.643 1.00 0.00 ATOM 154 CG1 VAL C 560 137.786 135.500 169.288 1.00 0.00 ATOM 155 CG2 VAL C 560 139.034 133.535 168.364 1.00 0.00 ATOM 156 N ASN C 561 140.473 137.791 168.209 1.00 0.00 ATOM 157 CA ASN C 561 140.622 139.211 168.503 1.00 0.00 ATOM 158 C ASN C 561 141.015 139.986 167.249 1.00 0.00 ATOM 159 O ASN C 561 140.684 141.162 167.098 1.00 0.00 ATOM 160 CB ASN C 561 141.663 139.424 169.604 1.00 0.00 ATOM 161 CG ASN C 561 141.762 140.872 170.044 1.00 0.00 ATOM 162 OD1 ASN C 561 140.803 141.635 169.927 1.00 0.00 ATOM 163 ND2 ASN C 561 142.926 141.257 170.554 1.00 0.00 ATOM 164 N ARG C 581 142.450 127.356 173.873 1.00 0.00 ATOM 165 CA ARG C 581 141.420 127.947 173.027 1.00 0.00 ATOM 166 C ARG C 581 141.824 129.343 172.567 1.00 0.00 ATOM 167 O ARG C 581 141.049 130.293 172.680 1.00 0.00 ATOM 168 CB ARG C 581 140.083 128.004 173.769 1.00 0.00 ATOM 169 CG ARG C 581 139.557 126.647 174.208 1.00 0.00 ATOM 170 CD ARG C 581 138.225 126.778 174.928 1.00 0.00 ATOM 171 NE ARG C 581 137.713 125.485 175.373 1.00 0.00 ATOM 172 CZ ARG C 581 137.981 124.943 176.556 1.00 0.00 ATOM 173 NH1 ARG C 581 138.757 125.582 177.420 1.00 0.00 ATOM 174 NH2 ARG C 581 137.472 123.761 176.877 1.00 0.00 ATOM 175 N LYS C 582 143.047 129.462 172.047 1.00 0.00 ATOM 176 CA LYS C 582 143.535 130.755 171.580 1.00 0.00 ATOM 177 C LYS C 582 142.931 131.121 170.229 1.00 0.00 ATOM 178 O LYS C 582 142.349 132.199 170.072 1.00 0.00 ATOM 179 CB LYS C 582 145.062 130.742 171.502 1.00 0.00 ATOM 180 CG LYS C 582 145.749 130.490 172.835 1.00 0.00 ATOM 181 CD LYS C 582 147.262 130.504 172.690 1.00 0.00 ATOM 182 CE LYS C 582 147.946 130.256 174.025 1.00 0.00 ATOM 183 NZ LYS C 582 147.595 131.295 175.031 1.00 0.00 ATOM 184 N THR C 583 143.060 130.235 169.244 1.00 0.00 ATOM 185 CA THR C 583 142.523 130.473 167.913 1.00 0.00 ATOM 186 C THR C 583 141.838 129.209 167.414 1.00 0.00 ATOM 187 O THR C 583 142.045 128.114 167.943 1.00 0.00 ATOM 188 CB THR C 583 143.617 130.903 166.924 1.00 0.00 ATOM 189 OG1 THR C 583 143.033 131.151 165.639 1.00 0.00 ATOM 190 CG2 THR C 583 144.675 129.818 166.794 1.00 0.00 ATOM 191 N LEU C 584 141.015 129.375 166.381 1.00 0.00 ATOM 192 CA LEU C 584 140.288 128.260 165.794 1.00 0.00 ATOM 193 C LEU C 584 139.912 128.619 164.364 1.00 0.00 ATOM 194 O LEU C 584 139.474 129.741 164.097 1.00 0.00 ATOM 195 CB LEU C 584 139.033 127.919 166.608 1.00 0.00 ATOM 196 CG LEU C 584 138.200 126.732 166.120 1.00 0.00 ATOM 197 CD1 LEU C 584 139.031 125.458 166.110 1.00 0.00 ATOM 198 CD2 LEU C 584 136.957 126.559 166.979 1.00 0.00 ATOM 199 N VAL C 585 140.088 127.662 163.454 1.00 0.00 ATOM 200 CA VAL C 585 139.769 127.866 162.045 1.00 0.00 ATOM 201 C VAL C 585 138.261 127.998 161.886 1.00 0.00 ATOM 202 O VAL C 585 137.544 126.995 161.798 1.00 0.00 ATOM 203 CB VAL C 585 140.319 126.721 161.175 1.00 0.00 ATOM 204 CG1 VAL C 585 140.053 126.997 159.703 1.00 0.00 ATOM 205 CG2 VAL C 585 141.807 126.530 161.428 1.00 0.00 ATOM 206 N VAL C 586 137.771 129.236 161.852 1.00 0.00 ATOM 207 CA VAL C 586 136.343 129.498 161.711 1.00 0.00 ATOM 208 C VAL C 586 136.103 130.329 160.458 1.00 0.00 ATOM 209 O VAL C 586 137.047 130.680 159.741 1.00 0.00 ATOM 210 CB VAL C 586 135.779 130.203 162.958 1.00 0.00 ATOM 211 CG1 VAL C 586 135.910 129.306 164.180 1.00 0.00 ATOM 212 CG2 VAL C 586 136.488 131.529 163.185 1.00 0.00 ATOM 213 N CYS C 587 134.841 130.648 160.188 1.00 0.00 ATOM 214 CA CYS C 587 134.493 131.430 159.014 1.00 0.00 ATOM 215 C CYS C 587 134.699 132.920 159.278 1.00 0.00 ATOM 216 O CYS C 587 134.832 133.366 160.420 1.00 0.00 ATOM 217 CB CYS C 587 133.045 131.165 158.600 1.00 0.00 ATOM 218 SG CYS C 587 131.821 131.570 159.867 1.00 0.00 ATOM 219 N PHE C 588 134.723 133.692 158.191 1.00 0.00 ATOM 220 CA PHE C 588 134.912 135.140 158.280 1.00 0.00 ATOM 221 C PHE C 588 134.257 135.763 157.051 1.00 0.00 ATOM 222 O PHE C 588 134.809 135.694 155.948 1.00 0.00 ATOM 223 CB PHE C 588 136.389 135.497 158.372 1.00 0.00 ATOM 224 CG PHE C 588 136.650 136.969 158.526 1.00 0.00 ATOM 225 CD1 PHE C 588 136.586 137.570 159.772 1.00 0.00 ATOM 226 CD2 PHE C 588 136.964 137.750 157.425 1.00 0.00 ATOM 227 CE1 PHE C 588 136.826 138.924 159.917 1.00 0.00 ATOM 228 CE2 PHE C 588 137.206 139.104 157.564 1.00 0.00 ATOM 229 CZ PHE C 588 137.137 139.691 158.812 1.00 0.00 ATOM 230 N HIS C 589 133.086 136.366 157.248 1.00 0.00 ATOM 231 CA HIS C 589 132.357 136.993 156.152 1.00 0.00 ATOM 232 C HIS C 589 131.478 138.126 156.663 1.00 0.00 ATOM 233 O HIS C 589 131.601 139.269 156.210 1.00 0.00 ATOM 234 CB HIS C 589 131.512 135.956 155.410 1.00 0.00 ATOM 235 CG HIS C 589 130.729 136.522 154.266 1.00 0.00 ATOM 236 ND1 HIS C 589 131.326 137.122 153.179 1.00 0.00 ATOM 237 CD2 HIS C 589 129.395 136.580 154.041 1.00 0.00 ATOM 238 CE1 HIS C 589 130.395 137.525 152.334 1.00 0.00 ATOM 239 NE2 HIS C 589 129.214 137.208 152.833 1.00 0.00 ATOM 240 N CYS C 590 130.588 137.820 157.606 1.00 0.00 ATOM 241 CA CYS C 590 129.694 138.825 158.167 1.00 0.00 ATOM 242 C CYS C 590 130.278 139.491 159.407 1.00 0.00 ATOM 243 O CYS C 590 130.113 140.702 159.594 1.00 0.00 ATOM 244 CB CYS C 590 128.340 138.195 158.505 1.00 0.00 ATOM 245 SG CYS C 590 127.478 137.478 157.087 1.00 0.00 ATOM 246 N HIS C 591 130.957 138.727 160.256 1.00 0.00 ATOM 247 CA HIS C 591 131.556 139.274 161.468 1.00 0.00 ATOM 248 C HIS C 591 132.781 138.465 161.882 1.00 0.00 ATOM 249 O HIS C 591 132.889 137.278 161.574 1.00 0.00 ATOM 250 CB HIS C 591 130.533 139.305 162.606 1.00 0.00 ATOM 251 CG HIS C 591 131.061 139.890 163.879 1.00 0.00 ATOM 252 ND1 HIS C 591 131.519 141.187 163.968 1.00 0.00 ATOM 253 CD2 HIS C 591 131.203 139.355 165.114 1.00 0.00 ATOM 254 CE1 HIS C 591 131.921 141.426 165.204 1.00 0.00 ATOM 255 NE2 HIS C 591 131.740 140.331 165.919 1.00 0.00 TER