HEADER RIBOSOME 31-DEC-69 7O5H TITLE Ribosomal methyltransferase KsgA bound to small ribosomal subunit COMPND MOL_ID: 15; COMPND 2 MOLECULE: 30S ribosomal protein S21; COMPND 3 CHAIN: U; EXPDTA ELECTRON MICROSCOPY DBREF 7O5H U 2 57 UNP A0A5C9AJ A0A5C9AJ78_ 2 57 SEQRES 1 U 30 VAL LEU ALA GLU VAL ARG ARG ARG GLU PHE TYR GLU LYS SEQRES 2 U 30 PRO THR THR GLU ARG LYS ARG ALA LYS ALA SER ALA VAL SEQRES 3 U 30 LYS ARG HIS ALA ATOM 1 N VAL U 28 238.433 189.454 268.368 1.00104.23 ATOM 2 CA VAL U 28 239.777 189.363 267.816 1.00104.23 ATOM 3 C VAL U 28 239.694 189.044 266.326 1.00104.23 ATOM 4 O VAL U 28 240.667 189.204 265.589 1.00104.23 ATOM 5 CB VAL U 28 240.621 188.311 268.567 1.00104.23 ATOM 6 CG1 VAL U 28 240.204 186.901 268.169 1.00104.23 ATOM 7 CG2 VAL U 28 242.108 188.535 268.321 1.00104.23 ATOM 8 N LEU U 29 238.517 188.599 265.885 1.00106.97 ATOM 9 CA LEU U 29 238.312 188.288 264.476 1.00106.97 ATOM 10 C LEU U 29 238.191 189.534 263.610 1.00106.97 ATOM 11 O LEU U 29 238.408 189.451 262.396 1.00106.97 ATOM 12 CB LEU U 29 237.062 187.417 264.299 1.00106.97 ATOM 13 CG LEU U 29 237.194 185.913 264.561 1.00106.97 ATOM 14 CD1 LEU U 29 238.354 185.331 263.768 1.00106.97 ATOM 15 CD2 LEU U 29 237.344 185.604 266.046 1.00106.97 ATOM 16 N ALA U 30 237.851 190.682 264.199 1.00106.37 ATOM 17 CA ALA U 30 237.764 191.921 263.436 1.00106.37 ATOM 18 C ALA U 30 239.130 192.504 263.106 1.00106.37 ATOM 19 O ALA U 30 239.241 193.282 262.153 1.00106.37 ATOM 20 CB ALA U 30 236.936 192.957 264.200 1.00106.37 ATOM 21 N GLU U 31 240.165 192.150 263.866 1.00103.70 ATOM 22 CA GLU U 31 241.508 192.650 263.605 1.00103.70 ATOM 23 C GLU U 31 242.262 191.805 262.590 1.00103.70 ATOM 24 O GLU U 31 243.098 192.340 261.853 1.00103.70 ATOM 25 CB GLU U 31 242.310 192.723 264.908 1.00103.70 ATOM 26 CG GLU U 31 242.073 193.988 265.721 1.00103.70 ATOM 27 CD GLU U 31 240.650 194.109 266.230 1.00103.70 ATOM 28 OE1 GLU U 31 239.996 193.064 266.434 1.00103.70 ATOM 29 OE2 GLU U 31 240.184 195.251 266.423 1.00103.70 ATOM 30 N VAL U 32 241.992 190.500 262.537 1.00100.45 ATOM 31 CA VAL U 32 242.633 189.655 261.535 1.00100.45 ATOM 32 C VAL U 32 242.159 190.034 260.138 1.00100.45 ATOM 33 O VAL U 32 242.926 189.974 259.169 1.00100.45 ATOM 34 CB VAL U 32 242.375 188.169 261.842 1.00100.45 ATOM 35 CG1 VAL U 32 243.233 187.290 260.950 1.00100.45 ATOM 36 CG2 VAL U 32 242.652 187.875 263.306 1.00100.45 ATOM 37 N ARG U 33 240.889 190.428 260.010 1.00100.60 ATOM 38 CA ARG U 33 240.380 190.894 258.723 1.00100.60 ATOM 39 C ARG U 33 241.131 192.128 258.242 1.00100.60 ATOM 40 O ARG U 33 241.306 192.317 257.033 1.00100.60 ATOM 41 CB ARG U 33 238.884 191.193 258.830 1.00100.60 ATOM 42 CG ARG U 33 238.191 191.454 257.500 1.00100.60 ATOM 43 CD ARG U 33 237.897 190.156 256.765 1.00100.60 ATOM 44 NE ARG U 33 237.082 189.253 257.570 1.00100.60 ATOM 45 CZ ARG U 33 235.757 189.279 257.618 1.00100.60 ATOM 46 NH1 ARG U 33 235.056 190.149 256.910 1.00100.60 ATOM 47 NH2 ARG U 33 235.120 188.411 258.399 1.00100.60 ATOM 48 N ARG U 34 241.584 192.972 259.168 1.00 96.80 ATOM 49 CA ARG U 34 242.336 194.170 258.820 1.00 96.80 ATOM 50 C ARG U 34 243.818 193.897 258.604 1.00 96.80 ATOM 51 O ARG U 34 244.451 194.572 257.785 1.00 96.80 ATOM 52 CB ARG U 34 242.172 195.230 259.912 1.00 96.80 ATOM 53 CG ARG U 34 240.746 195.720 260.100 1.00 96.80 ATOM 54 CD ARG U 34 240.345 196.699 259.008 1.00 96.80 ATOM 55 NE ARG U 34 238.968 197.155 259.161 1.00 96.80 ATOM 56 CZ ARG U 34 237.931 196.634 258.518 1.00 96.80 ATOM 57 NH1 ARG U 34 238.080 195.641 257.657 1.00 96.80 ATOM 58 NH2 ARG U 34 236.716 197.125 258.741 1.00 96.80 ATOM 59 N ARG U 35 244.388 192.930 259.322 1.00 81.76 ATOM 60 CA ARG U 35 245.818 192.660 259.265 1.00 81.76 ATOM 61 C ARG U 35 246.195 191.556 258.285 1.00 81.76 ATOM 62 O ARG U 35 247.390 191.304 258.098 1.00 81.76 ATOM 63 CB ARG U 35 246.342 192.291 260.657 1.00 81.76 ATOM 64 CG ARG U 35 246.170 193.381 261.700 1.00 81.76 ATOM 65 CD ARG U 35 246.566 192.881 263.078 1.00 81.76 ATOM 66 NE ARG U 35 246.390 193.905 264.101 1.00 81.76 ATOM 67 CZ ARG U 35 247.335 194.753 264.480 1.00 81.76 ATOM 68 NH1 ARG U 35 248.543 194.728 263.942 1.00 81.76 ATOM 69 NH2 ARG U 35 247.062 195.648 265.425 1.00 81.76 ATOM 70 N GLU U 36 245.221 190.891 257.661 1.00 86.07 ATOM 71 CA GLU U 36 245.555 189.787 256.766 1.00 86.07 ATOM 72 C GLU U 36 246.196 190.289 255.478 1.00 86.07 ATOM 73 O GLU U 36 247.152 189.685 254.978 1.00 86.07 ATOM 74 CB GLU U 36 244.308 188.958 256.460 1.00 86.07 ATOM 75 CG GLU U 36 244.587 187.695 255.656 1.00 86.07 ATOM 76 CD GLU U 36 245.532 186.741 256.366 1.00 86.07 ATOM 77 OE1 GLU U 36 245.523 186.704 257.615 1.00 86.07 ATOM 78 OE2 GLU U 36 246.287 186.027 255.674 1.00 86.07 ATOM 79 N PHE U 37 245.688 191.385 254.925 1.00 79.84 ATOM 80 CA PHE U 37 246.221 191.970 253.705 1.00 79.84 ATOM 81 C PHE U 37 246.599 193.423 253.954 1.00 79.84 ATOM 82 O PHE U 37 245.899 194.141 254.674 1.00 79.84 ATOM 83 CB PHE U 37 245.210 191.874 252.559 1.00 79.84 ATOM 84 CG PHE U 37 244.870 190.463 252.172 1.00 79.84 ATOM 85 CD1 PHE U 37 245.822 189.644 251.590 1.00 79.84 ATOM 86 CD2 PHE U 37 243.600 189.958 252.387 1.00 79.84 ATOM 87 CE1 PHE U 37 245.515 188.346 251.234 1.00 79.84 ATOM 88 CE2 PHE U 37 243.286 188.660 252.032 1.00 79.84 ATOM 89 CZ PHE U 37 244.245 187.854 251.455 1.00 79.84 ATOM 90 N TYR U 38 247.713 193.849 253.362 1.00 72.58 ATOM 91 CA TYR U 38 248.178 195.217 253.545 1.00 72.58 ATOM 92 C TYR U 38 247.236 196.203 252.868 1.00 72.58 ATOM 93 O TYR U 38 246.671 195.924 251.808 1.00 72.58 ATOM 94 CB TYR U 38 249.593 195.384 252.989 1.00 72.58 ATOM 95 CG TYR U 38 250.142 196.787 253.137 1.00 72.58 ATOM 96 CD1 TYR U 38 250.758 197.192 254.314 1.00 72.58 ATOM 97 CD2 TYR U 38 250.040 197.708 252.102 1.00 72.58 ATOM 98 CE1 TYR U 38 251.259 198.474 254.455 1.00 72.58 ATOM 99 CE2 TYR U 38 250.534 198.993 252.236 1.00 72.58 ATOM 100 CZ TYR U 38 251.144 199.369 253.414 1.00 72.58 ATOM 101 OH TYR U 38 251.641 200.645 253.550 1.00 72.58 ATOM 102 N GLU U 39 247.068 197.365 253.492 1.00 78.43 ATOM 103 CA GLU U 39 246.260 198.448 252.950 1.00 78.43 ATOM 104 C GLU U 39 247.124 199.695 252.835 1.00 78.43 ATOM 105 O GLU U 39 247.917 199.989 253.736 1.00 78.43 ATOM 106 CB GLU U 39 245.040 198.725 253.833 1.00 78.43 ATOM 107 CG GLU U 39 244.046 199.706 253.230 1.00 78.43 ATOM 108 CD GLU U 39 242.867 199.977 254.142 1.00 78.43 ATOM 109 OE1 GLU U 39 243.070 200.047 255.372 1.00 78.43 ATOM 110 OE2 GLU U 39 241.734 200.114 253.633 1.00 78.43 ATOM 111 N LYS U 40 246.980 200.413 251.728 1.00 73.73 ATOM 112 CA LYS U 40 247.743 201.637 251.542 1.00 73.73 ATOM 113 C LYS U 40 247.332 202.662 252.598 1.00 73.73 ATOM 114 O LYS U 40 246.138 202.802 252.891 1.00 73.73 ATOM 115 CB LYS U 40 247.518 202.195 250.135 1.00 73.73 ATOM 116 CG LYS U 40 248.544 203.228 249.696 1.00 73.73 ATOM 117 CD LYS U 40 248.349 203.631 248.241 1.00 73.73 ATOM 118 CE LYS U 40 248.419 202.431 247.309 1.00 73.73 ATOM 119 NZ LYS U 40 248.273 202.811 245.873 1.00 73.73 ATOM 120 N PRO U 41 248.286 203.378 253.202 1.00 72.27 ATOM 121 CA PRO U 41 247.919 204.335 254.261 1.00 72.27 ATOM 122 C PRO U 41 246.976 205.434 253.803 1.00 72.27 ATOM 123 O PRO U 41 246.200 205.944 254.621 1.00 72.27 ATOM 124 CB PRO U 41 249.274 204.904 254.708 1.00 72.27 ATOM 125 CG PRO U 41 250.217 204.591 253.602 1.00 72.27 ATOM 126 CD PRO U 41 249.742 203.303 253.011 1.00 72.27 ATOM 127 N THR U 42 247.022 205.830 252.530 1.00 71.45 ATOM 128 CA THR U 42 246.062 206.818 252.048 1.00 71.45 ATOM 129 C THR U 42 244.664 206.216 251.950 1.00 71.45 ATOM 130 O THR U 42 243.662 206.925 252.106 1.00 71.45 ATOM 131 CB THR U 42 246.510 207.394 250.700 1.00 71.45 ATOM 132 OG1 THR U 42 245.625 208.452 250.312 1.00 71.45 ATOM 133 CG2 THR U 42 246.516 206.329 249.618 1.00 71.45 ATOM 134 N THR U 43 244.578 204.906 251.704 1.00 79.05 ATOM 135 CA THR U 43 243.280 204.242 251.624 1.00 79.05 ATOM 136 C THR U 43 242.573 204.249 252.974 1.00 79.05 ATOM 137 O THR U 43 241.395 204.615 253.067 1.00 79.05 ATOM 138 CB THR U 43 243.458 202.806 251.124 1.00 79.05 ATOM 139 OG1 THR U 43 244.088 202.819 249.837 1.00 79.05 ATOM 140 CG2 THR U 43 242.115 202.101 251.021 1.00 79.05 ATOM 141 N GLU U 44 243.279 203.850 254.035 1.00 82.21 ATOM 142 CA GLU U 44 242.663 203.814 255.358 1.00 82.21 ATOM 143 C GLU U 44 242.329 205.215 255.852 1.00 82.21 ATOM 144 O GLU U 44 241.345 205.403 256.578 1.00 82.21 ATOM 145 CB GLU U 44 243.578 203.088 256.348 1.00 82.21 ATOM 146 CG GLU U 44 244.986 203.653 256.461 1.00 82.21 ATOM 147 CD GLU U 44 245.103 204.754 257.500 1.00 82.21 ATOM 148 OE1 GLU U 44 244.174 204.902 258.322 1.00 82.21 ATOM 149 OE2 GLU U 44 246.125 205.471 257.493 1.00 82.21 ATOM 150 N ARG U 45 243.135 206.210 255.473 1.00 79.72 ATOM 151 CA ARG U 45 242.864 207.581 255.894 1.00 79.72 ATOM 152 C ARG U 45 241.532 208.073 255.345 1.00 79.72 ATOM 153 O ARG U 45 240.761 208.727 256.059 1.00 79.72 ATOM 154 CB ARG U 45 244.001 208.502 255.450 1.00 79.72 ATOM 155 CG ARG U 45 243.829 209.946 255.891 1.00 79.72 ATOM 156 CD ARG U 45 244.877 210.868 255.280 1.00 79.72 ATOM 157 NE ARG U 45 246.232 210.547 255.714 1.00 79.72 ATOM 158 CZ ARG U 45 247.135 209.934 254.961 1.00 79.72 ATOM 159 NH1 ARG U 45 246.866 209.566 253.720 1.00 79.72 ATOM 160 NH2 ARG U 45 248.342 209.690 255.465 1.00 79.72 ATOM 161 N LYS U 46 241.243 207.772 254.076 1.00 82.35 ATOM 162 CA LYS U 46 239.976 208.189 253.485 1.00 82.35 ATOM 163 C LYS U 46 238.798 207.475 254.140 1.00 82.35 ATOM 164 O LYS U 46 237.745 208.082 254.370 1.00 82.35 ATOM 165 CB LYS U 46 239.995 207.935 251.976 1.00 82.35 ATOM 166 CG LYS U 46 238.787 208.486 251.231 1.00 82.35 ATOM 167 CD LYS U 46 239.001 208.461 249.723 1.00 82.35 ATOM 168 CE LYS U 46 239.182 207.044 249.202 1.00 82.35 ATOM 169 NZ LYS U 46 237.982 206.202 249.456 1.00 82.35 ATOM 170 N ARG U 47 238.955 206.183 254.441 1.00 87.32 ATOM 171 CA ARG U 47 237.890 205.448 255.119 1.00 87.32 ATOM 172 C ARG U 47 237.628 206.013 256.509 1.00 87.32 ATOM 173 O ARG U 47 236.475 206.089 256.949 1.00 87.32 ATOM 174 CB ARG U 47 238.241 203.963 255.202 1.00 87.32 ATOM 175 CG ARG U 47 238.381 203.277 253.853 1.00 87.32 ATOM 176 CD ARG U 47 238.476 201.762 253.993 1.00 87.32 ATOM 177 NE ARG U 47 239.606 201.340 254.813 1.00 87.32 ATOM 178 CZ ARG U 47 239.514 200.959 256.080 1.00 87.32 ATOM 179 NH1 ARG U 47 238.352 200.933 256.712 1.00 87.32 ATOM 180 NH2 ARG U 47 240.616 200.594 256.730 1.00 87.32 ATOM 181 N ALA U 48 238.689 206.404 257.221 1.00 89.75 ATOM 182 CA ALA U 48 238.511 207.022 258.531 1.00 89.75 ATOM 183 C ALA U 48 237.747 208.335 258.421 1.00 89.75 ATOM 184 O ALA U 48 236.875 208.626 259.248 1.00 89.75 ATOM 185 CB ALA U 48 239.869 207.243 259.197 1.00 89.75 ATOM 186 N LYS U 49 238.065 209.145 257.409 1.00 90.16 ATOM 187 CA LYS U 49 237.314 210.376 257.183 1.00 90.16 ATOM 188 C LYS U 49 235.871 210.077 256.802 1.00 90.16 ATOM 189 O LYS U 49 234.948 210.774 257.240 1.00 90.16 ATOM 190 CB LYS U 49 237.993 211.216 256.103 1.00 90.16 ATOM 191 CG LYS U 49 239.286 211.874 256.549 1.00 90.16 ATOM 192 CD LYS U 49 239.929 212.652 255.413 1.00 90.16 ATOM 193 CE LYS U 49 241.090 213.496 255.910 1.00 90.16 ATOM 194 NZ LYS U 49 242.101 212.679 256.632 1.00 90.16 ATOM 195 N ALA U 50 235.656 209.051 255.974 1.00 93.05 ATOM 196 CA ALA U 50 234.297 208.668 255.608 1.00 93.05 ATOM 197 C ALA U 50 233.511 208.195 256.824 1.00 93.05 ATOM 198 O ALA U 50 232.323 208.507 256.966 1.00 93.05 ATOM 199 CB ALA U 50 234.328 207.584 254.532 1.00 93.05 ATOM 200 N SER U 51 234.156 207.431 257.708 1.00 96.79 ATOM 201 CA SER U 51 233.491 206.995 258.932 1.00 96.79 ATOM 202 C SER U 51 233.162 208.179 259.832 1.00 96.79 ATOM 203 O SER U 51 232.092 208.219 260.451 1.00 96.79 ATOM 204 CB SER U 51 234.367 205.987 259.673 1.00 96.79 ATOM 205 OG SER U 51 235.597 206.574 260.059 1.00 96.79 ATOM 206 N ALA U 52 234.076 209.148 259.924 1.00 96.05 ATOM 207 CA ALA U 52 233.849 210.306 260.782 1.00 96.05 ATOM 208 C ALA U 52 232.644 211.115 260.319 1.00 96.05 ATOM 209 O ALA U 52 231.830 211.555 261.139 1.00 96.05 ATOM 210 CB ALA U 52 235.101 211.183 260.822 1.00 96.05 ATOM 211 N VAL U 53 232.514 211.325 259.008 1.00 97.54 ATOM 212 CA VAL U 53 231.378 212.080 258.492 1.00 97.54 ATOM 213 C VAL U 53 230.106 211.244 258.454 1.00 97.54 ATOM 214 O VAL U 53 229.009 211.804 258.336 1.00 97.54 ATOM 215 CB VAL U 53 231.683 212.636 257.092 1.00 97.54 ATOM 216 CG1 VAL U 53 232.995 213.403 257.103 1.00 97.54 ATOM 217 CG2 VAL U 53 231.727 211.513 256.070 1.00 97.54 ATOM 218 N LYS U 54 230.220 209.918 258.547 1.00101.80 ATOM 219 CA LYS U 54 229.039 209.065 258.583 1.00101.80 ATOM 220 C LYS U 54 228.339 209.119 259.934 1.00101.80 ATOM 221 O LYS U 54 227.106 209.049 259.993 1.00101.80 ATOM 222 CB LYS U 54 229.426 207.624 258.245 1.00101.80 ATOM 223 CG LYS U 54 228.260 206.651 258.201 1.00101.80 ATOM 224 CD LYS U 54 228.736 205.241 257.888 1.00101.80 ATOM 225 CE LYS U 54 227.574 204.268 257.812 1.00101.80 ATOM 226 NZ LYS U 54 228.024 202.892 257.467 1.00101.80 ATOM 227 N ARG U 55 229.100 209.248 261.023 1.00104.01 ATOM 228 CA ARG U 55 228.521 209.274 262.360 1.00104.01 ATOM 229 C ARG U 55 227.752 210.555 262.652 1.00104.01 ATOM 230 O ARG U 55 227.043 210.611 263.663 1.00104.01 ATOM 231 CB ARG U 55 229.619 209.076 263.406 1.00104.01 ATOM 232 CG ARG U 55 230.205 207.676 263.413 1.00104.01 ATOM 233 CD ARG U 55 231.184 207.481 264.558 1.00104.01 ATOM 234 NE ARG U 55 231.398 206.068 264.845 1.00104.01 ATOM 235 CZ ARG U 55 232.300 205.307 264.241 1.00104.01 ATOM 236 NH1 ARG U 55 233.104 205.796 263.311 1.00104.01 ATOM 237 NH2 ARG U 55 232.397 204.025 264.578 1.00104.01 ATOM 238 N HIS U 56 227.871 211.577 261.808 1.00103.26 ATOM 239 CA HIS U 56 227.115 212.812 261.984 1.00103.26 ATOM 240 C HIS U 56 225.734 212.638 261.364 1.00103.26 ATOM 241 O HIS U 56 225.605 212.515 260.141 1.00103.26 ATOM 242 CB HIS U 56 227.854 213.988 261.353 1.00103.26 ATOM 243 CG HIS U 56 228.928 214.565 262.221 1.00103.26 ATOM 244 ND1 HIS U 56 228.875 215.852 262.710 1.00103.26 ATOM 245 CD2 HIS U 56 230.081 214.031 262.688 1.00103.26 ATOM 246 CE1 HIS U 56 229.951 216.087 263.440 1.00103.26 ATOM 247 NE2 HIS U 56 230.699 214.999 263.443 1.00103.26 ATOM 248 N ALA U 57 224.703 212.629 262.202 1.00101.48 ATOM 249 CA ALA U 57 223.331 212.490 261.728 1.00101.48 ATOM 250 C ALA U 57 222.353 213.122 262.711 1.00101.48 ATOM 251 O ALA U 57 222.404 214.325 262.965 1.00101.48 ATOM 252 CB ALA U 57 222.990 211.024 261.506 1.00101.48 ATOM 253 MG MG U 101 248.664 203.659 243.916 1.00 50.97 TER