HEADER Transferase 26-NOV-09 3KU1 TITLE Crystal structure of Streptococcus pneumoniae Sp1610, a putative tRNA TITLE 2 (m1A22) methyltransferase, in complex with S-adenosyl-L-methionine COMPND MOL_ID: 1; COMPND 2 MOLECULE: SAM-dependent methyltransferase; COMPND 3 CHAIN: A, B, C, D, E, F, G, H; COMPND 4 EC: 2.1.1.36; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.00 ANGSTORMS DBREF 3KU1 H 1 225 UNP Q97PJ9 Q97PJ9_STRP 1 225 SEQRES 1 H 30 ALA SER ASP VAL ARG PHE GLY PRO PHE LEU SER LYS GLU SEQRES 2 H 30 VAL SER PRO VAL PHE VAL GLN LYS TRP GLN LYS GLU ALA SEQRES 3 H 30 GLU LYS LEU GLU ATOM 1 N ALA H 164 42.784 -5.178 21.750 1.00 98.62 ATOM 2 CA ALA H 164 44.017 -4.480 21.341 1.00 98.36 ATOM 3 C ALA H 164 43.735 -3.064 20.776 1.00 98.08 ATOM 4 O ALA H 164 44.638 -2.224 20.723 1.00 98.04 ATOM 5 CB ALA H 164 44.841 -5.333 20.366 1.00 97.96 ATOM 6 N SER H 165 42.488 -2.807 20.370 1.00 97.71 ATOM 7 CA SER H 165 42.091 -1.465 19.982 1.00 97.62 ATOM 8 C SER H 165 41.680 -0.675 21.229 1.00 97.85 ATOM 9 O SER H 165 41.928 0.541 21.306 1.00 98.51 ATOM 10 CB SER H 165 40.954 -1.466 18.960 1.00 97.32 ATOM 11 OG SER H 165 39.719 -1.159 19.596 1.00 97.42 ATOM 12 N ASP H 166 41.049 -1.344 22.197 1.00 97.34 ATOM 13 CA ASP H 166 40.659 -0.684 23.459 1.00 96.84 ATOM 14 C ASP H 166 41.861 -0.177 24.268 1.00 95.88 ATOM 15 O ASP H 166 41.766 0.823 24.990 1.00 95.40 ATOM 16 CB ASP H 166 39.814 -1.613 24.329 1.00 97.30 ATOM 17 CG ASP H 166 38.373 -1.619 23.929 1.00 98.42 ATOM 18 OD1 ASP H 166 37.834 -0.527 23.630 1.00 99.08 ATOM 19 OD2 ASP H 166 37.788 -2.725 23.914 1.00100.64 ATOM 20 N VAL H 167 42.983 -0.878 24.143 1.00 94.60 ATOM 21 CA VAL H 167 44.203 -0.432 24.767 1.00 93.74 ATOM 22 C VAL H 167 44.704 0.835 24.042 1.00 93.25 ATOM 23 O VAL H 167 44.921 1.877 24.682 1.00 93.48 ATOM 24 CB VAL H 167 45.244 -1.573 24.832 1.00 93.67 ATOM 25 CG1 VAL H 167 46.618 -1.045 25.123 1.00 93.82 ATOM 26 CG2 VAL H 167 44.866 -2.561 25.915 1.00 93.92 ATOM 27 N ARG H 168 44.833 0.756 22.715 1.00 92.07 ATOM 28 CA ARG H 168 45.369 1.850 21.896 1.00 90.78 ATOM 29 C ARG H 168 44.436 3.079 21.819 1.00 89.50 ATOM 30 O ARG H 168 44.927 4.194 21.715 1.00 89.54 ATOM 31 CB ARG H 168 45.789 1.313 20.508 1.00 91.21 ATOM 32 CG ARG H 168 46.169 2.328 19.417 1.00 92.96 ATOM 33 CD ARG H 168 47.464 1.929 18.666 1.00 98.10 ATOM 34 NE ARG H 168 48.584 2.498 19.429 1.00102.79 ATOM 35 CZ ARG H 168 49.272 3.607 19.125 1.00103.13 ATOM 36 NH1 ARG H 168 49.042 4.296 17.985 1.00103.30 ATOM 37 NH2 ARG H 168 50.228 4.002 19.964 1.00100.33 ATOM 38 N PHE H 169 43.119 2.899 21.922 1.00 87.58 ATOM 39 CA PHE H 169 42.211 4.028 21.740 1.00 86.27 ATOM 40 C PHE H 169 41.285 4.311 22.930 1.00 86.27 ATOM 41 O PHE H 169 40.702 5.401 23.044 1.00 85.61 ATOM 42 CB PHE H 169 41.373 3.857 20.463 1.00 85.99 ATOM 43 CG PHE H 169 42.184 3.551 19.210 1.00 84.60 ATOM 44 CD1 PHE H 169 42.760 4.590 18.454 1.00 83.18 ATOM 45 CD2 PHE H 169 42.335 2.228 18.763 1.00 80.55 ATOM 46 CE1 PHE H 169 43.511 4.308 17.285 1.00 81.35 ATOM 47 CE2 PHE H 169 43.061 1.937 17.618 1.00 79.79 ATOM 48 CZ PHE H 169 43.664 2.972 16.875 1.00 82.00 ATOM 49 N GLY H 170 41.134 3.337 23.809 1.00 86.58 ATOM 50 CA GLY H 170 40.266 3.524 24.956 1.00 87.95 ATOM 51 C GLY H 170 38.864 2.950 24.806 1.00 89.17 ATOM 52 O GLY H 170 38.102 3.360 23.923 1.00 89.00 ATOM 53 N PRO H 171 38.513 1.998 25.690 1.00 90.21 ATOM 54 CA PRO H 171 37.207 1.362 25.898 1.00 91.03 ATOM 55 C PRO H 171 35.995 2.307 25.930 1.00 92.04 ATOM 56 O PRO H 171 34.900 1.900 25.558 1.00 92.15 ATOM 57 CB PRO H 171 37.360 0.719 27.278 1.00 90.80 ATOM 58 CG PRO H 171 38.760 0.387 27.373 1.00 90.07 ATOM 59 CD PRO H 171 39.514 1.458 26.628 1.00 90.28 ATOM 60 N PHE H 172 36.158 3.538 26.398 1.00 93.07 ATOM 61 CA PHE H 172 35.023 4.452 26.360 1.00 94.44 ATOM 62 C PHE H 172 35.188 5.544 25.289 1.00 95.50 ATOM 63 O PHE H 172 34.188 6.008 24.704 1.00 95.97 ATOM 64 CB PHE H 172 34.723 5.049 27.737 1.00 94.02 ATOM 65 CG PHE H 172 34.262 4.052 28.750 1.00 93.37 ATOM 66 CD1 PHE H 172 32.993 4.156 29.306 1.00 93.40 ATOM 67 CD2 PHE H 172 35.098 3.024 29.176 1.00 92.61 ATOM 68 CE1 PHE H 172 32.556 3.243 30.273 1.00 92.42 ATOM 69 CE2 PHE H 172 34.668 2.107 30.140 1.00 92.65 ATOM 70 CZ PHE H 172 33.398 2.219 30.691 1.00 91.82 ATOM 71 N LEU H 173 36.439 5.936 25.037 1.00 96.18 ATOM 72 CA LEU H 173 36.749 6.896 23.989 1.00 96.82 ATOM 73 C LEU H 173 36.353 6.349 22.615 1.00 97.76 ATOM 74 O LEU H 173 35.706 7.053 21.829 1.00 98.24 ATOM 75 CB LEU H 173 38.237 7.234 23.976 1.00 96.50 ATOM 76 CG LEU H 173 38.946 7.891 25.153 1.00 95.85 ATOM 77 CD1 LEU H 173 40.344 8.285 24.666 1.00 95.35 ATOM 78 CD2 LEU H 173 38.184 9.076 25.728 1.00 93.46 ATOM 79 N SER H 174 36.745 5.105 22.324 1.00 98.41 ATOM 80 CA SER H 174 36.433 4.489 21.026 1.00 98.96 ATOM 81 C SER H 174 34.947 4.049 20.863 1.00 99.02 ATOM 82 O SER H 174 34.464 3.914 19.738 1.00 99.05 ATOM 83 CB SER H 174 37.395 3.342 20.730 1.00 98.91 ATOM 84 OG SER H 174 36.806 2.110 21.084 1.00 99.76 ATOM 85 N LYS H 175 34.251 3.814 21.984 1.00 99.04 ATOM 86 CA LYS H 175 32.792 3.639 22.017 1.00 98.67 ATOM 87 C LYS H 175 32.175 4.956 21.603 1.00 98.15 ATOM 88 O LYS H 175 32.085 5.203 20.418 1.00 98.59 ATOM 89 CB LYS H 175 32.337 3.222 23.409 1.00 99.00 ATOM 90 CG LYS H 175 30.871 2.877 23.588 1.00100.33 ATOM 91 CD LYS H 175 30.751 1.869 24.778 1.00103.80 ATOM 92 CE LYS H 175 29.551 2.120 25.732 1.00105.14 ATOM 93 NZ LYS H 175 28.239 2.241 25.004 1.00105.72 ATOM 94 N GLU H 176 31.810 5.834 22.536 1.00 97.54 ATOM 95 CA GLU H 176 31.125 7.080 22.132 1.00 96.93 ATOM 96 C GLU H 176 32.009 8.121 21.375 1.00 96.55 ATOM 97 O GLU H 176 31.947 9.323 21.674 1.00 96.72 ATOM 98 CB GLU H 176 30.267 7.703 23.281 1.00 97.51 ATOM 99 CG GLU H 176 31.037 8.342 24.478 1.00 98.86 ATOM 100 CD GLU H 176 31.301 9.863 24.322 1.00100.99 ATOM 101 OE1 GLU H 176 30.343 10.625 24.055 1.00101.79 ATOM 102 OE2 GLU H 176 32.469 10.305 24.472 1.00101.47 ATOM 103 N VAL H 177 32.772 7.656 20.371 1.00 95.39 ATOM 104 CA VAL H 177 33.682 8.476 19.524 1.00 94.81 ATOM 105 C VAL H 177 33.357 9.976 19.429 1.00 94.21 ATOM 106 O VAL H 177 32.465 10.353 18.689 1.00 94.99 ATOM 107 CB VAL H 177 33.754 7.892 18.086 1.00 94.36 ATOM 108 CG1 VAL H 177 34.485 8.823 17.123 1.00 93.73 ATOM 109 CG2 VAL H 177 34.421 6.537 18.099 1.00 94.74 ATOM 110 N SER H 178 34.077 10.838 20.148 1.00 93.44 ATOM 111 CA SER H 178 33.789 12.287 20.125 1.00 92.09 ATOM 112 C SER H 178 34.493 13.057 18.969 1.00 91.66 ATOM 113 O SER H 178 35.393 12.514 18.304 1.00 91.06 ATOM 114 CB SER H 178 34.120 12.910 21.487 1.00 92.14 ATOM 115 OG SER H 178 35.474 13.333 21.572 1.00 91.96 ATOM 116 N PRO H 179 34.068 14.319 18.715 1.00 91.26 ATOM 117 CA PRO H 179 34.767 15.191 17.767 1.00 90.73 ATOM 118 C PRO H 179 36.251 15.305 18.104 1.00 90.35 ATOM 119 O PRO H 179 37.106 15.259 17.204 1.00 90.21 ATOM 120 CB PRO H 179 34.092 16.561 17.982 1.00 90.82 ATOM 121 CG PRO H 179 32.739 16.259 18.509 1.00 90.91 ATOM 122 CD PRO H 179 32.883 14.986 19.308 1.00 91.51 ATOM 123 N VAL H 180 36.532 15.459 19.402 1.00 90.17 ATOM 124 CA VAL H 180 37.890 15.583 19.938 1.00 89.60 ATOM 125 C VAL H 180 38.651 14.268 19.725 1.00 89.83 ATOM 126 O VAL H 180 39.813 14.280 19.286 1.00 89.16 ATOM 127 CB VAL H 180 37.893 15.985 21.436 1.00 89.42 ATOM 128 CG1 VAL H 180 39.304 16.390 21.889 1.00 88.77 ATOM 129 CG2 VAL H 180 36.903 17.100 21.708 1.00 88.06 ATOM 130 N PHE H 181 37.977 13.143 19.995 1.00 90.20 ATOM 131 CA PHE H 181 38.533 11.817 19.666 1.00 90.82 ATOM 132 C PHE H 181 38.943 11.715 18.202 1.00 90.65 ATOM 133 O PHE H 181 39.965 11.108 17.877 1.00 90.37 ATOM 134 CB PHE H 181 37.596 10.645 20.028 1.00 91.17 ATOM 135 CG PHE H 181 38.232 9.295 19.803 1.00 92.61 ATOM 136 CD1 PHE H 181 38.922 8.656 20.834 1.00 93.05 ATOM 137 CD2 PHE H 181 38.208 8.691 18.534 1.00 93.64 ATOM 138 CE1 PHE H 181 39.547 7.417 20.626 1.00 93.58 ATOM 139 CE2 PHE H 181 38.830 7.461 18.308 1.00 93.29 ATOM 140 CZ PHE H 181 39.497 6.816 19.359 1.00 93.49 ATOM 141 N VAL H 182 38.136 12.318 17.332 1.00 91.00 ATOM 142 CA VAL H 182 38.367 12.279 15.888 1.00 91.15 ATOM 143 C VAL H 182 39.586 13.074 15.445 1.00 90.96 ATOM 144 O VAL H 182 40.414 12.543 14.712 1.00 91.02 ATOM 145 CB VAL H 182 37.122 12.721 15.090 1.00 91.49 ATOM 146 CG1 VAL H 182 37.501 13.160 13.654 1.00 91.73 ATOM 147 CG2 VAL H 182 36.051 11.596 15.089 1.00 91.92 ATOM 148 N GLN H 183 39.717 14.330 15.873 1.00 90.59 ATOM 149 CA GLN H 183 40.849 15.102 15.375 1.00 90.23 ATOM 150 C GLN H 183 42.142 14.543 15.896 1.00 89.51 ATOM 151 O GLN H 183 43.149 14.602 15.190 1.00 89.58 ATOM 152 CB GLN H 183 40.821 16.567 15.757 1.00 90.59 ATOM 153 CG GLN H 183 39.499 17.236 15.886 1.00 92.53 ATOM 154 CD GLN H 183 39.694 18.561 16.598 1.00 95.53 ATOM 155 OE1 GLN H 183 40.689 19.269 16.343 1.00 95.78 ATOM 156 NE2 GLN H 183 38.776 18.894 17.524 1.00 95.28 ATOM 157 N LYS H 184 42.126 14.024 17.127 1.00 88.69 ATOM 158 CA LYS H 184 43.355 13.525 17.731 1.00 87.84 ATOM 159 C LYS H 184 43.982 12.482 16.838 1.00 88.26 ATOM 160 O LYS H 184 45.184 12.541 16.512 1.00 87.79 ATOM 161 CB LYS H 184 43.140 12.912 19.118 1.00 88.14 ATOM 162 CG LYS H 184 44.465 12.439 19.758 1.00 86.44 ATOM 163 CD LYS H 184 44.309 11.470 20.930 1.00 85.88 ATOM 164 CE LYS H 184 45.618 10.676 21.098 1.00 81.99 ATOM 165 NZ LYS H 184 45.871 10.127 22.451 1.00 78.35 ATOM 166 N TRP H 185 43.149 11.528 16.443 1.00 88.35 ATOM 167 CA TRP H 185 43.638 10.349 15.741 1.00 88.93 ATOM 168 C TRP H 185 43.770 10.604 14.231 1.00 90.04 ATOM 169 O TRP H 185 44.661 10.054 13.572 1.00 90.16 ATOM 170 CB TRP H 185 42.763 9.138 16.094 1.00 87.63 ATOM 171 CG TRP H 185 43.018 8.644 17.523 1.00 86.65 ATOM 172 CD1 TRP H 185 42.141 8.648 18.617 1.00 84.51 ATOM 173 CD2 TRP H 185 44.243 8.090 17.998 1.00 85.25 ATOM 174 NE1 TRP H 185 42.775 8.119 19.721 1.00 83.48 ATOM 175 CE2 TRP H 185 44.060 7.773 19.366 1.00 84.32 ATOM 176 CE3 TRP H 185 45.486 7.830 17.396 1.00 84.47 ATOM 177 CZ2 TRP H 185 45.080 7.229 20.126 1.00 84.50 ATOM 178 CZ3 TRP H 185 46.484 7.282 18.154 1.00 84.40 ATOM 179 CH2 TRP H 185 46.283 6.999 19.504 1.00 84.92 ATOM 180 N GLN H 186 42.890 11.466 13.714 1.00 91.19 ATOM 181 CA GLN H 186 42.983 12.019 12.382 1.00 92.23 ATOM 182 C GLN H 186 44.330 12.724 12.216 1.00 92.68 ATOM 183 O GLN H 186 45.045 12.456 11.244 1.00 93.10 ATOM 184 CB GLN H 186 41.860 13.014 12.207 1.00 92.46 ATOM 185 CG GLN H 186 41.426 13.260 10.799 1.00 96.04 ATOM 186 CD GLN H 186 39.993 13.804 10.731 1.00101.71 ATOM 187 OE1 GLN H 186 39.623 14.752 11.448 1.00103.56 ATOM 188 NE2 GLN H 186 39.173 13.194 9.872 1.00103.97 ATOM 189 N LYS H 187 44.687 13.604 13.165 1.00 93.17 ATOM 190 CA LYS H 187 45.978 14.302 13.125 1.00 93.02 ATOM 191 C LYS H 187 47.086 13.272 13.133 1.00 92.64 ATOM 192 O LYS H 187 48.105 13.422 12.472 1.00 92.27 ATOM 193 CB LYS H 187 46.143 15.252 14.324 1.00 93.48 ATOM 194 CG LYS H 187 47.346 16.279 14.236 1.00 94.84 ATOM 195 CD LYS H 187 48.783 15.706 14.522 1.00 99.58 ATOM 196 CE LYS H 187 49.121 15.463 16.058 1.00101.71 ATOM 197 NZ LYS H 187 49.488 16.691 16.871 1.00101.81 ATOM 198 N GLU H 188 46.857 12.221 13.905 1.00 92.82 ATOM 199 CA GLU H 188 47.855 11.200 14.142 1.00 93.00 ATOM 200 C GLU H 188 48.038 10.367 12.908 1.00 93.34 ATOM 201 O GLU H 188 49.166 9.967 12.615 1.00 93.13 ATOM 202 CB GLU H 188 47.459 10.323 15.338 1.00 93.02 ATOM 203 CG GLU H 188 48.495 9.276 15.724 1.00 91.75 ATOM 204 CD GLU H 188 49.872 9.853 16.006 1.00 91.44 ATOM 205 OE1 GLU H 188 49.984 11.030 16.489 1.00 88.83 ATOM 206 OE2 GLU H 188 50.839 9.091 15.747 1.00 90.76 ATOM 207 N ALA H 189 46.925 10.123 12.199 1.00 93.96 ATOM 208 CA ALA H 189 46.914 9.441 10.893 1.00 94.90 ATOM 209 C ALA H 189 47.784 10.120 9.810 1.00 95.99 ATOM 210 O ALA H 189 48.627 9.435 9.213 1.00 95.97 ATOM 211 CB ALA H 189 45.506 9.222 10.398 1.00 94.31 ATOM 212 N GLU H 190 47.622 11.436 9.568 1.00 96.94 ATOM 213 CA GLU H 190 48.589 12.113 8.672 1.00 98.44 ATOM 214 C GLU H 190 50.054 12.054 9.158 1.00 98.37 ATOM 215 O GLU H 190 50.929 11.735 8.347 1.00 98.73 ATOM 216 CB GLU H 190 48.171 13.501 8.078 1.00 99.10 ATOM 217 CG GLU H 190 47.765 14.643 9.023 1.00101.97 ATOM 218 CD GLU H 190 46.272 15.101 8.879 1.00106.00 ATOM 219 OE1 GLU H 190 45.491 14.529 8.070 1.00105.98 ATOM 220 OE2 GLU H 190 45.875 16.052 9.602 1.00107.61 ATOM 221 N LYS H 191 50.318 12.314 10.451 1.00 98.17 ATOM 222 CA LYS H 191 51.692 12.223 11.003 1.00 98.01 ATOM 223 C LYS H 191 52.305 10.908 10.522 1.00 97.75 ATOM 224 O LYS H 191 53.519 10.808 10.288 1.00 97.43 ATOM 225 CB LYS H 191 51.715 12.278 12.550 1.00 98.17 ATOM 226 CG LYS H 191 52.901 13.094 13.172 1.00 99.21 ATOM 227 CD LYS H 191 53.805 12.327 14.203 1.00102.96 ATOM 228 CE LYS H 191 53.139 11.915 15.564 1.00104.62 ATOM 229 NZ LYS H 191 52.224 12.955 16.177 1.00107.80 ATOM 230 N LEU H 192 51.425 9.917 10.355 1.00 97.36 ATOM 231 CA LEU H 192 51.803 8.565 9.989 1.00 97.07 ATOM 232 C LEU H 192 51.975 8.383 8.479 1.00 97.49 ATOM 233 O LEU H 192 53.113 8.193 8.019 1.00 97.45 ATOM 234 CB LEU H 192 50.800 7.566 10.577 1.00 96.46 ATOM 235 CG LEU H 192 51.057 7.189 12.041 1.00 95.23 ATOM 236 CD1 LEU H 192 50.059 6.152 12.512 1.00 91.95 ATOM 237 CD2 LEU H 192 52.514 6.727 12.283 1.00 93.69 ATOM 238 N GLU H 193 50.856 8.427 7.733 1.00 97.56 ATOM 239 CA GLU H 193 50.853 8.463 6.270 1.00 97.51 ATOM 240 C GLU H 193 52.042 9.281 5.797 1.00 97.66 ATOM 241 O GLU H 193 52.783 8.858 4.895 1.00 98.25 ATOM 242 CB GLU H 193 49.565 9.091 5.750 1.00 97.54 ATOM 243 CG GLU H 193 48.419 8.106 5.535 1.00 98.80 ATOM 244 CD GLU H 193 47.030 8.702 5.853 1.00101.81 ATOM 245 OE1 GLU H 193 46.824 9.945 5.757 1.00102.82 ATOM 246 OE2 GLU H 193 46.130 7.914 6.215 1.00102.14 TER