0.023427 0.000000 0.000372 0.000000 0.013066 0.000000 0.000000 0.000000 0.013598 0.00000 0.00000 0.00000 0000-0002-2519-6615 Olenginski, L.T. 0000-0002-1384-6625 Batey, R.T. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.91 90.00 42.686 76.533 73.550 C10 H14 N5 O7 P 347.221 y ADENOSINE-5'-MONOPHOSPHATE RNA linking C70 H99 Co N14 O15 P 1466.527 ethynyl-N-cyclopentylpropiolamide-cobalamin non-polymer C9 H14 N3 O8 P 323.197 y CYTIDINE-5'-MONOPHOSPHATE RNA linking C10 H14 N5 O8 P 363.221 y GUANOSINE-5'-MONOPHOSPHATE RNA linking H2 O 18.015 WATER non-polymer K 1 39.098 POTASSIUM ION non-polymer Mg 2 24.305 MAGNESIUM ION non-polymer C4 H12 N2 88.151 N-methylpropane-1,3-diamine non-polymer C4 H12 N O3 1 122.143 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL TRIS BUFFER non-polymer C9 H13 N2 O9 P 324.181 y URIDINE-5'-MONOPHOSPHATE RNA linking N 1 N O N 2 N P N 3 N O N 4 N O N 5 N O N 6 N C N 7 R C N 8 N O N 9 S C N 10 N O N 11 R C N 12 N O N 13 R C Y 14 N N Y 15 N C Y 16 N N Y 17 N C Y 18 N C N 19 N N Y 20 N N Y 21 N C Y 22 N N Y 23 N C N 24 N H N 25 N H N 26 N H N 27 N H N 28 N H N 29 N H N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N C N 39 S C N 40 S C N 41 R C Y 42 N N Y 43 N C Y 44 N N N 45 N C N 46 N C N 47 N C N 48 N C N 49 N C N 50 N C N 51 N C N 52 N C N 53 N C N 54 S C N 55 N C N 56 N C N 57 N C N 58 R C N 59 R C N 60 R C N 61 N C N 62 N C N 63 N C N 64 N C N 65 N C N 66 N C N 67 N C N 68 N C N 69 N C N 70 N C N 71 N C N 72 N C N 73 N C N 74 N C N 75 N C N 76 N C N 77 N C N 78 N C N 79 N C N 80 N C N 81 N C N 82 N C N 83 N C N 84 N C N 85 N C N 86 N C N 87 N C N 88 N C N 89 N C N 90 N C N 91 S C N 92 S C N 93 N C Y 94 N C Y 95 N C Y 96 N C Y 97 N C Y 98 N C Y 99 N C N 100 S C N 101 R C N 102 S C N 103 R C N 104 N C N 105 N N N 106 N N N 107 N N N 108 N N N 109 N N N 110 N N N 111 N N N 112 N N N 113 N N N 114 N N N 115 N N N 116 N N N 117 N O N 118 N O N 119 N O N 120 N O N 121 N O N 122 N O N 123 N O N 124 N O N 125 N O N 126 N O N 127 N O N 128 N O N 129 N O N 130 N O N 131 N O N 132 N P N 133 N C N 134 N C N 135 N CO N 136 N C N 137 R C N 138 N C N 139 N H N 140 N H N 141 N H N 142 N H N 143 N H N 144 N H N 145 N H N 146 N H N 147 N H N 148 N H N 149 N H N 150 N H N 151 N H N 152 N H N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N H N 159 N H N 160 N H N 161 N H N 162 N H N 163 N H N 164 N H N 165 N H N 166 N H N 167 N H N 168 N H N 169 N H N 170 N H N 171 N H N 172 N H N 173 N H N 174 N H N 175 N H N 176 N H N 177 N H N 178 N H N 179 N H N 180 N H N 181 N H N 182 N H N 183 N H N 184 N H N 185 N H N 186 N H N 187 N H N 188 N H N 189 N H N 190 N H N 191 N H N 192 N H N 193 N H N 194 N H N 195 N H N 196 N H N 197 N H N 198 N H N 199 N H N 200 N H N 201 N H N 202 N H N 203 N H N 204 N H N 205 N H N 206 N H N 207 N H N 208 N H N 209 N H N 210 N H N 211 N H N 212 N H N 213 N H N 214 N H N 215 N H N 216 N H N 217 N H N 218 N H N 219 N H N 220 N H N 221 N H N 222 N H N 223 N H N 224 N H N 225 N H N 226 N H N 227 N H N 228 N H N 229 N H N 230 N H N 231 N H N 232 N H N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N O N 239 N P N 240 N O N 241 N O N 242 N O N 243 N C N 244 R C N 245 N O N 246 S C N 247 N O N 248 R C N 249 N O N 250 R C N 251 N N N 252 N C N 253 N O N 254 N N N 255 N C N 256 N N N 257 N C N 258 N C N 259 N H N 260 N H N 261 N H N 262 N H N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N H N 269 N H N 270 N H N 271 N H N 272 N H N 273 N O N 274 N P N 275 N O N 276 N O N 277 N O N 278 N C N 279 R C N 280 N O N 281 S C N 282 N O N 283 R C N 284 N O N 285 R C Y 286 N N Y 287 N C Y 288 N N Y 289 N C N 290 N C N 291 N O N 292 N N N 293 N C N 294 N N N 295 N N Y 296 N C N 297 N H N 298 N H N 299 N H N 300 N H N 301 N H N 302 N H N 303 N H N 304 N H N 305 N H N 306 N H N 307 N H N 308 N H N 309 N H N 310 N H N 311 N O N 312 N H N 313 N H N 314 N K N 315 N MG N 316 N N N 317 N C N 318 N C N 319 N C N 320 N N N 321 N C N 322 N H N 323 N H N 324 N H N 325 N H N 326 N H N 327 N H N 328 N H N 329 N H N 330 N H N 331 N H N 332 N H N 333 N H N 334 N C N 335 N C N 336 N C N 337 N C N 338 N N N 339 N O N 340 N O N 341 N O N 342 N H N 343 N H N 344 N H N 345 N H N 346 N H N 347 N H N 348 N H N 349 N H N 350 N H N 351 N H N 352 N H N 353 N H N 354 N O N 355 N P N 356 N O N 357 N O N 358 N O N 359 N C N 360 R C N 361 N O N 362 S C N 363 N O N 364 R C N 365 N O N 366 R C N 367 N N N 368 N C N 369 N O N 370 N N N 371 N C N 372 N O N 373 N C N 374 N C N 375 N H N 376 N H N 377 N H N 378 N H N 379 N H N 380 N H N 381 N H N 382 N H N 383 N H N 384 N H N 385 N H N 386 N H N 387 N H N 1 N sing N 2 N sing N 3 N doub N 4 N sing N 5 N sing N 6 N sing N 7 N sing N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N sing N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing Y 25 N sing Y 26 N sing Y 27 N doub N 28 N sing Y 29 N sing Y 30 N sing Y 31 N doub N 32 N sing Y 33 N doub N 34 N sing N 35 N sing Y 36 N sing Y 37 N doub N 38 N sing Y 39 N sing N 40 N sing N 41 N doub N 42 N doub N 43 N sing N 44 N sing N 45 N sing N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N sing N 51 N sing N 52 N sing N 53 N doub N 54 N sing N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N sing N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N sing N 67 N sing Y 68 N doub Y 69 N sing Y 70 N sing Y 71 N sing Y 72 N sing Y 73 N doub N 74 N sing N 75 N sing N 76 N sing N 77 N sing N 78 N doub N 79 N sing Y 80 N doub N 81 N sing N 82 N sing Y 83 N doub Y 84 N sing Y 85 N sing N 86 N sing N 87 N doub N 88 N doub N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N doub N 96 N sing N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N doub N 103 N doub N 104 N doub N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N sing N 117 N sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N trip N 123 N sing N 124 N sing N 125 N doub N 126 N sing N 127 N sing N 128 N sing N 129 N sing N 130 N doub N 131 N sing N 132 N sing N 133 N sing N 134 N doub N 135 N sing N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N doub N 145 N sing N 146 N sing N 147 N sing N 148 N sing N 149 N sing N 150 N sing N 151 N doub N 152 N sing N 153 N sing N 154 N sing N 155 N sing N 156 N sing N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N sing N 165 N sing N 166 N sing N 167 N sing N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing N 177 N sing N 178 N sing N 179 N sing N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing N 194 N sing N 195 N sing N 196 N sing N 197 N sing N 198 N sing N 199 N sing N 200 N sing N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N sing N 210 N sing N 211 N sing N 212 N sing N 213 N sing N 214 N sing N 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N sing N 221 N sing N 222 N sing N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N sing N 233 N sing N 234 N sing N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N sing N 240 N sing N 241 N sing N 242 N sing N 243 N sing N 244 N sing N 245 N sing N 246 N sing N 247 N sing N 248 N sing N 249 N sing N 250 N sing N 251 N sing N 252 N sing N 253 N sing N 254 N doub N 255 N sing N 256 N sing N 257 N sing N 258 N sing N 259 N sing N 260 N sing N 261 N sing N 262 N sing N 263 N sing N 264 N sing N 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N sing N 273 N sing N 274 N sing N 275 N sing N 276 N sing N 277 N sing N 278 N doub N 279 N sing N 280 N doub N 281 N sing N 282 N sing N 283 N sing N 284 N sing N 285 N doub N 286 N sing N 287 N sing N 288 N sing N 289 N sing N 290 N doub N 291 N sing N 292 N sing N 293 N sing N 294 N sing N 295 N sing N 296 N sing N 297 N sing N 298 N sing N 299 N sing N 300 N sing N 301 N sing N 302 N sing N 303 N sing N 304 N sing N 305 N sing N 306 N sing N 307 N sing N 308 N sing N 309 N sing N 310 N sing N 311 N sing Y 312 N sing Y 313 N sing Y 314 N doub N 315 N sing Y 316 N sing N 317 N sing Y 318 N doub N 319 N doub N 320 N sing N 321 N sing N 322 N sing N 323 N sing N 324 N doub N 325 N sing N 326 N sing N 327 N sing N 328 N sing N 329 N sing N 330 N sing N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N sing N 339 N sing N 340 N sing N 341 N sing N 342 N sing N 343 N sing N 344 N sing N 345 N sing N 346 N sing N 347 N sing N 348 N sing N 349 N sing N 350 N sing N 351 N sing N 352 N sing N 353 N sing N 354 N sing N 355 N sing N 356 N sing N 357 N sing N 358 N sing N 359 N sing N 360 N sing N 361 N sing N 362 N sing N 363 N sing N 364 N sing N 365 N sing N 366 N sing N 367 N sing N 368 N doub N 369 N sing N 370 N sing N 371 N sing N 372 N sing N 373 N sing N 374 N sing N 375 N sing N 376 N sing N 377 N sing N 378 N sing N 379 N sing N 380 N sing N 381 N sing N 382 N sing N 383 N sing N 384 N sing N 385 N sing N 386 N sing N 387 N sing N 388 N sing N 389 N sing N 390 N sing N 391 N sing N 392 N doub N 393 N sing N 394 N sing N 395 N sing N 396 N doub N 397 N sing N 398 N doub N 399 N sing N 400 N sing To Be Published 0353 Reimagining productive chemical space for RNA recognition beyond aromaticity 0000-0002-2519-6615 0000-0002-1384-6625 10.2210/pdb37cn/pdb pdb_000037cn 100 1 N PIXEL 2026-03-13 DECTRIS PILATUS 200K SINGLE WAVELENGTH M x-ray 1 1.54178 1.0 1.54178 SEALED TUBE RIGAKU MICROMAX-003 24571.738 RNA (76-MER) 2 syn polymer 1466.527 ethynyl-N-cyclopentylpropiolamide-cobalamin 2 syn non-polymer 88.151 N-methylpropane-1,3-diamine 2 syn non-polymer 122.143 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL 2 syn non-polymer 24.305 MAGNESIUM ION 17 syn non-polymer 39.098 POTASSIUM ION 2 syn non-polymer 18.015 water 3 nat water no no GGUAAAAGCAUAGUGGGAAAGUGACGUGAAAUUCGUCCACACGAAAGUAAGGUCAUAGUCCGAAUGCCACCUACCA GGUAAAAGCAUAGUGGGAAAGUGACGUGAAAUUCGUCCACACGAAAGUAAGGUCAUAGUCCGAAUGCCACCUACCA A,B polyribonucleotide n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n 1 2.59 52.42 VAPOR DIFFUSION, HANGING DROP 7 10% (v/v) (+/-)-2-Methyl-2,4-pentanediol, 40 mM Sodium cacodylate trihydrate (pH 7.0), 12 mM Spermine tetrahydrochloride, 80 mM Potassium chloride, 20 mM Magnesium chloride hexahydrate. Hanging drop. 303.15 K 303.15 0.935 1 19 A 1 A 75 0.498 A_G1:C75_A 1 -5.700 -0.277 0.166 -0.154 5.599 1 19 A 2 A 74 -0.775 A_G2:C74_A 2 -9.411 -0.246 0.173 -0.223 -1.257 1 20 A 3 A 73 1.116 A_U3:A73_A 3 -5.583 0.192 0.184 -0.093 1.685 1 20 A 4 A 72 5.732 A_A4:U72_A 4 -1.777 -0.141 -0.042 -0.141 16.049 1 A 12 A 71 -3.136 A_A12:C71_A 5 -1.646 -4.893 1.271 -1.179 -1.635 1 19 A 13 A 70 2.842 A_G13:C70_A 6 -12.055 -0.136 0.546 0.035 -1.592 1 20 A 14 A 69 -1.812 A_U14:A69_A 7 -7.178 -0.109 -0.125 -0.039 -5.506 1 19 A 15 A 68 1.388 A_G15:C68_A 8 -13.779 -0.224 -0.077 -0.092 -5.929 1 19 A 16 A 67 -0.973 A_G16:C67_A 9 -11.452 -0.158 -0.323 -0.157 -4.872 2 21 A 7 A 11 166.207 A_A7:U11_A 10 0.685 -0.108 -0.117 1.117 26.160 A 8 A 65 -129.845 A_G8:U65_A 11 -7.210 -0.258 -0.024 -5.752 23.272 1 19 A 9 A 66 7.363 A_C9:G66_A 12 -6.131 0.315 -0.282 0.053 -24.115 A 46 A 43 -48.405 A_A46:G43_A 13 -3.175 -7.707 0.604 -5.335 -5.064 1 19 A 47 A 42 -2.629 A_G47:C42_A 14 -0.788 -0.092 0.066 -0.299 -1.608 1 20 A 48 A 41 10.381 A_U48:A41_A 15 -0.882 0.226 0.632 -0.092 -9.873 1 19 A 58 A 40 2.165 A_G58:C40_A 16 -14.728 -0.195 -0.140 -0.121 4.006 1 20 A 59 A 39 -2.151 A_U59:A39_A 17 -6.242 -0.156 -0.496 -0.148 -9.241 1 19 A 21 A 38 5.269 A_G21:C38_A 18 -4.387 -0.133 -0.304 0.010 1.202 1 19 A 23 A 37 -2.937 A_G23:C37_A 19 -7.449 -0.255 0.453 -0.318 5.594 1 20 A 24 A 36 -0.445 A_A24:U36_A 20 -5.984 0.128 0.275 -0.203 -0.779 1 19 A 25 A 35 4.415 A_C25:G35_A 21 -6.531 0.449 -0.054 -0.127 -13.854 1 19 A 26 A 34 -6.988 A_G26:C34_A 22 -8.388 -0.094 0.186 -0.119 5.018 4 24 A 27 A 31 -92.223 A_U27:A31_A 23 7.804 4.097 0.669 -2.327 21.160 9 11 A 28 A 55 9.278 A_G28:A55_A 24 17.276 6.824 0.565 -4.059 27.910 A 49 A 63 -9.111 A_A49:A63_A 25 -9.583 -2.852 -0.074 1.960 11.908 1 8 A 50 A 62 -6.685 A_A50:G62_A 26 -15.277 -0.740 -0.470 1.581 3.325 1 19 A 51 A 61 -3.341 A_G51:C61_A 27 -9.433 -0.144 0.385 -0.171 -10.023 1 19 A 52 A 60 -1.210 A_G52:C60_A 28 -18.504 -0.089 0.281 -0.185 -1.670 4 24 A 53 A 57 -93.446 A_U53:A57_A 29 5.515 4.216 -0.258 -2.155 1.596 1 19 B 1 B 75 -3.050 B_G1:C75_B 30 -4.711 -0.149 -0.176 -0.250 5.787 1 19 B 2 B 74 3.185 B_G2:C74_B 31 -13.662 -0.046 0.268 -0.159 -1.242 1 20 B 3 B 73 1.081 B_U3:A73_B 32 -13.416 0.173 0.176 -0.299 0.551 1 20 B 4 B 72 1.894 B_A4:U72_B 33 -7.786 0.099 -0.080 -0.206 6.714 1 B 12 B 71 -9.067 B_A12:C71_B 34 -14.790 -4.481 0.197 -0.877 -3.676 1 19 B 13 B 70 6.059 B_G13:C70_B 35 -14.760 -0.008 0.046 0.082 -8.373 1 20 B 14 B 69 -2.910 B_U14:A69_B 36 -9.111 -0.128 0.138 -0.147 -5.950 1 19 B 15 B 68 -3.439 B_G15:C68_B 37 -13.174 -0.115 0.033 -0.227 -3.219 1 19 B 16 B 67 -1.095 B_G16:C67_B 38 -13.241 -0.290 0.010 -0.262 -12.940 2 21 B 7 B 11 178.745 B_A7:U11_B 39 -0.226 0.110 0.147 0.819 25.745 B 8 B 65 -136.463 B_G8:U65_B 40 -3.577 -0.976 0.121 -6.526 28.703 1 19 B 9 B 66 6.832 B_C9:G66_B 41 -0.887 0.073 -0.389 -0.005 -21.384 B 46 B 43 -42.304 B_A46:G43_B 42 -1.276 -7.609 0.844 -5.044 1.664 1 19 B 47 B 42 1.030 B_G47:C42_B 43 -4.164 -0.111 -0.164 -0.167 7.413 1 20 B 48 B 41 6.077 B_U48:A41_B 44 -10.871 0.030 -0.098 -0.035 -11.281 1 19 B 58 B 40 2.293 B_G58:C40_B 45 -15.395 -0.188 -0.130 -0.146 -1.075 1 20 B 59 B 39 2.683 B_U59:A39_B 46 -1.920 -0.285 -0.209 -0.050 -9.257 1 19 B 21 B 38 -0.732 B_G21:C38_B 47 -0.820 -0.200 -0.153 -0.293 -0.208 1 19 B 23 B 37 3.670 B_G23:C37_B 48 -1.654 -0.149 0.212 -0.105 0.115 1 20 B 24 B 36 -0.190 B_A24:U36_B 49 -8.852 -0.085 -0.181 -0.107 -8.517 1 19 B 25 B 35 2.027 B_C25:G35_B 50 -13.662 0.171 0.113 -0.075 -17.300 1 19 B 26 B 34 -3.694 B_G26:C34_B 51 -11.742 -0.108 0.507 -0.091 2.532 4 24 B 27 B 31 -92.828 B_U27:A31_B 52 9.227 4.223 1.070 -2.353 20.871 9 11 B 28 B 55 1.725 B_G28:A55_B 53 9.092 6.763 0.831 -4.062 25.973 1 B 49 B 63 -12.076 B_A49:A63_B 54 -2.924 -2.300 0.041 1.660 19.550 1 8 B 50 B 62 -6.187 B_A50:G62_B 55 -13.101 0.098 -0.129 1.315 1.819 1 19 B 51 B 61 -0.636 B_G51:C61_B 56 -9.270 -0.085 0.021 -0.147 -11.155 1 19 B 52 B 60 -1.242 B_G52:C60_B 57 -16.071 -0.115 -0.063 -0.231 -5.628 4 24 B 53 B 57 -88.488 B_U53:A57_B 58 9.005 4.310 0.431 -2.676 3.072 36.623 A A 1 2 7.260 A A 75 74 3.197 4.546 -0.830 -1.319 AA_G1G2:C74C75_AA 1 -3.037 4.851 36.226 -2.701 0.919 2.796 34.347 A A 2 3 16.565 A A 74 73 3.284 9.658 0.182 -1.327 AA_G2U3:A73C74_AA 2 -0.044 0.076 33.000 -3.682 -0.315 2.277 35.227 A A 3 4 24.727 A A 73 72 2.989 14.472 1.065 -1.484 AA_U3A4:U72A73_AA 3 5.980 -10.218 31.655 -4.284 -1.003 4.607 -15.919 A A 4 12 -46.757 A A 72 71 2.060 10.184 2.243 -3.630 AA_A4A12:C71U72_AA 4 -10.599 -48.659 -6.130 2.006 -3.455 3.705 49.782 A A 12 13 5.686 A A 71 70 3.855 4.779 0.081 -1.503 AA_A12G13:C70C71_AA 5 1.589 -1.891 49.543 -2.190 0.038 3.102 31.468 A A 13 14 5.939 A A 70 69 3.320 3.212 -0.603 -1.409 AA_G13U14:A69C70_AA 6 2.653 -4.905 31.198 -3.190 1.600 2.118 34.446 A A 14 15 25.323 A A 69 68 3.090 14.551 0.986 -1.728 AA_U14G15:C68A69_AA 7 0.539 -0.937 31.302 -4.814 -1.595 3.026 29.706 A A 15 16 6.779 A A 68 67 3.264 3.461 0.578 -2.282 AA_G15G16:C67C68_AA 8 3.328 -6.519 29.324 -5.154 -0.450 3.047 -163.596 A A 7 8 2.764 A A 11 65 3.050 -5.472 -1.208 0.053 AA_A7G8:U65U11_AA 9 -2.496 -1.261 -163.573 -0.016 -0.615 2.869 52.943 A A 46 47 3.082 A A 43 42 2.820 2.746 3.753 -1.727 AA_A46G47:C42G43_AA 10 2.080 -2.334 52.839 -2.091 -4.093 2.707 34.663 A A 47 48 8.141 A A 42 41 3.097 4.827 0.925 -1.852 AA_G47U48:A41C42_AA 11 -3.670 6.190 34.144 -3.770 -2.056 1.996 23.903 A A 48 58 22.925 A A 41 40 3.232 9.007 1.075 -3.080 AA_U48G58:C40A41_AA 12 9.152 -23.295 20.203 -9.986 -0.006 2.272 33.070 A A 58 59 12.195 A A 40 39 2.747 6.891 -0.953 -1.861 AA_G58U59:A39C40_AA 13 1.371 -2.427 32.335 -4.173 1.855 2.999 34.308 A A 59 21 16.161 A A 39 38 3.568 9.373 -0.731 -1.923 AA_U59G21:C38A39_AA 14 -5.811 10.019 32.538 -4.778 0.298 2.160 22.827 A A 21 23 14.706 A A 38 37 2.914 5.700 -0.143 -2.467 AA_G21G23:C37C38_AA 15 -5.620 14.500 21.395 -7.866 -1.247 2.546 35.385 A A 23 24 10.777 A A 37 36 2.925 6.514 -0.305 -1.909 AA_G23A24:U36C37_AA 16 -1.241 2.053 34.777 -3.951 0.348 2.958 35.938 A A 24 25 11.671 A A 36 35 3.294 7.145 0.226 -1.455 AA_A24C25:G35U36_AA 17 3.483 -5.689 35.077 -3.346 0.114 2.697 36.245 A A 25 26 15.546 A A 35 34 3.226 9.552 0.263 -1.693 AA_C25G26:C34G35_AA 18 3.289 -5.354 34.854 -3.960 0.004 3.024 76.481 A A 26 27 2.652 A A 34 31 3.054 3.283 -2.684 -1.475 AA_G26U27:A31C34_AA 19 -0.848 0.685 76.417 -1.281 2.145 2.192 -3.731 A A 27 28 -10.216 A A 31 55 2.762 0.650 1.442 -0.368 AA_U27G28:A55A31_AA 20 1.166 18.322 -3.484 -1.198 34.452 3.310 41.799 A A 49 50 6.500 A A 63 62 3.466 4.612 -0.340 -1.412 AA_A49A50:G62A63_AA 21 -6.343 8.938 41.089 -2.484 -0.218 1.803 38.848 A A 50 51 23.581 A A 62 61 3.010 15.028 -0.398 -2.534 AA_A50G51:C61G62_AA 22 -12.281 19.270 33.816 -5.259 -0.586 3.242 40.299 A A 51 52 7.920 A A 61 60 3.492 5.420 0.553 -2.040 AA_G51G52:C60C61_AA 23 6.427 -9.392 39.448 -3.599 -0.047 3.131 81.625 A A 52 53 -2.774 A A 60 57 3.170 -3.623 -1.414 -1.526 AA_G52U53:A57C60_AA 24 6.053 -4.634 81.373 -1.079 1.229 2.736 37.464 B B 1 2 11.081 B B 75 74 3.044 7.046 -0.079 -1.265 BB_G1G2:C74C75_BB 25 -6.263 9.849 36.300 -2.800 -0.615 3.035 35.727 B B 2 3 13.274 B B 74 73 3.374 8.078 0.349 -1.183 BB_G2U3:A73C74_BB 26 0.318 -0.523 34.829 -3.087 -0.523 2.002 37.289 B B 3 4 26.016 B B 73 72 2.900 16.091 0.344 -1.549 BB_U3A4:U72A73_BB 27 3.954 -6.394 33.523 -4.112 -0.123 4.715 -17.210 B B 4 12 -37.089 B B 72 71 2.963 10.200 1.348 -3.552 BB_A4A12:C71U72_BB 28 -4.683 -17.029 -13.067 3.270 0.557 3.385 51.893 B B 12 13 7.589 B B 71 70 3.587 6.619 0.346 -1.188 BB_A12G13:C70C71_BB 29 -4.086 4.685 51.347 -1.834 -0.690 3.228 34.058 B B 13 14 7.106 B B 70 69 3.406 4.150 -0.574 -1.542 BB_G13U14:A69C70_BB 30 -2.163 3.704 33.745 -3.306 0.630 2.367 31.016 B B 14 15 18.728 B B 69 68 3.001 9.818 0.579 -1.732 BB_U14G15:C68A69_BB 31 4.284 -8.171 29.151 -4.840 -0.385 2.744 29.462 B B 15 16 7.549 B B 68 67 3.037 3.829 0.812 -2.207 BB_G15G16:C67C68_BB 32 0.489 -0.963 29.214 -5.065 -1.505 3.148 -155.922 B B 7 8 1.548 B B 11 65 3.149 -3.028 -0.539 0.428 BB_A7G8:U65U11_BB 33 -3.286 -1.680 -155.904 -0.210 -0.285 2.983 53.069 B B 46 47 3.912 B B 43 42 2.726 3.487 3.762 -1.561 BB_A46G47:C42G43_BB 34 5.636 -6.322 52.683 -1.942 -3.894 2.407 29.426 B B 47 48 16.557 B B 42 41 3.096 8.299 0.629 -2.132 BB_G47U48:A41C42_BB 35 1.038 -2.070 28.237 -5.724 -1.047 1.896 22.640 B B 48 58 29.599 B B 41 40 3.675 11.082 1.335 -3.032 BB_U48G58:C40A41_BB 36 3.373 -9.010 19.486 -11.416 -2.276 2.197 30.761 B B 58 59 18.250 B B 40 39 2.904 9.522 -0.902 -2.058 BB_G58U59:A39C40_BB 37 -2.096 4.017 29.211 -5.373 1.373 3.222 39.545 B B 59 21 6.555 B B 39 38 3.277 4.408 -1.168 -1.681 BB_U59G21:C38A39_BB 38 -6.576 9.780 38.776 -3.004 0.952 2.435 18.414 B B 21 23 12.699 B B 38 37 3.057 4.031 -0.131 -2.537 BB_G21G23:C37C38_BB 39 -0.349 1.100 17.967 -9.812 0.246 2.635 34.264 B B 23 24 15.565 B B 37 36 3.194 9.067 -0.147 -1.767 BB_G23A24:U36C37_BB 40 -0.795 1.365 33.068 -4.294 0.135 2.874 37.448 B B 24 25 12.702 B B 36 35 3.230 8.094 0.383 -1.411 BB_A24C25:G35U36_BB 41 1.115 -1.750 36.577 -3.202 -0.459 2.553 36.207 B B 25 26 17.843 B B 35 34 3.202 10.923 0.412 -1.792 BB_C25G26:C34G35_BB 42 1.697 -2.772 34.532 -4.269 -0.448 3.111 74.990 B B 26 27 -1.203 B B 34 31 3.031 -1.464 -2.721 -1.351 BB_G26U27:A31C34_BB 43 -1.901 1.562 74.957 -1.068 2.181 1.108 -7.296 B B 27 28 -16.723 B B 31 55 2.722 1.852 0.940 -0.453 BB_U27G28:A55A31_BB 44 5.414 48.897 -4.528 -1.147 21.160 3.019 45.025 B B 49 50 3.961 B B 63 62 3.115 3.024 -0.246 -1.517 BB_A49A50:G62A63_BB 45 -5.735 7.513 44.580 -2.237 -0.165 1.597 31.212 B B 50 51 29.994 B B 62 61 3.339 15.371 -0.252 -2.712 BB_A50G51:C61G62_BB 46 -5.530 10.792 26.688 -7.428 -0.391 3.346 38.574 B B 51 52 7.973 B B 61 60 3.484 5.226 0.965 -1.698 BB_G51G52:C60C61_BB 47 6.823 -10.409 37.640 -3.253 -0.570 3.132 87.401 B B 52 53 0.350 B B 60 57 3.172 0.483 -1.138 -1.584 BB_G52U53:A57C60_BB 48 3.102 -2.245 87.356 -1.157 0.888 repository Initial release 1 0 2026-08-26 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R35 GM152029 robert.batey@colorado.edu 0000-0002-1384-6625 Robert Batey T. principal investigator/group leader N RCSB N RCSB 2026-07-14 REL REL A1DMT A1DMT SUBJECT OF INVESTIGATION A1DMT ethynyl-N-cyclopentylpropiolamide-cobalamin N3D N-methylpropane-1,3-diamine TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL MG MAGNESIUM ION K POTASSIUM ION HOH water 408172 marine metagenome sample 1 76 Y N 4FRG PDB experimental model Expected A CO1 A1DMT 101 OCT octahedron octahedral C CO1 A1DMT 6 regular Expected A CO1 A1DMT 101 OCT octahedral octahedral C CO1 A1DMT 6 regular Expected B CO1 A1DMT 101 SPY square pyramid square pyramidal P CO1 A1DMT 5 regular Expected B CO1 A1DMT 101 OCT octahedral octahedral P CO1 A1DMT 6 regular A CO1 A1DMT 101 @OCT{Co,C,N,N,N,N,N} 1 MetalCoord B CO1 A1DMT 101 @OCT{Co,C,N,N,N,N,N} 3 MetalCoord A C1L A1DMT 101 C x,y,z A N21 A1DMT 101 C x,y,z A NB3 A1DMT 101 C x,y,z A N23 A1DMT 101 C x,y,z A N22 A1DMT 101 C x,y,z A N24 A1DMT 101 C x,y,z B C1L A1DMT 101 P x,y,z B N21 A1DMT 101 P x,y,z B NB3 A1DMT 101 P x,y,z B N23 A1DMT 101 P x,y,z B N22 A1DMT 101 P x,y,z B N24 A1DMT 101 P x,y,z RES 101 2 A1DMT A1DMT 101 A N3D 201 3 N3D N3D 102 A TRS 301 4 TRS TRS 103 A MG 1 5 MG MG 104 A MG 2 5 MG MG 105 A MG 3 5 MG MG 106 A MG 4 5 MG MG 107 A MG 5 5 MG MG 108 A MG 6 5 MG MG 109 A MG 7 5 MG MG 110 A MG 8 5 MG MG 111 A MG 9 5 MG MG 112 A K 18 6 K K 113 A RES 101 2 A1DMT A1DMT 101 B N3D 201 3 N3D N3D 102 B TRS 301 4 TRS TRS 103 B MG 10 5 MG MG 104 B MG 11 5 MG MG 105 B MG 12 5 MG MG 106 B MG 13 5 MG MG 107 B MG 14 5 MG MG 108 B MG 15 5 MG MG 109 B MG 16 5 MG MG 110 B MG 17 5 MG MG 111 B K 19 6 K K 112 B HOH 1 7 HOH HOH 201 A HOH 2 7 HOH HOH 202 A HOH 3 7 HOH HOH 203 A G 1 n 1 G 1 A G 2 n 2 G 2 A U 3 n 3 U 3 A A 4 n 4 A 4 A A 5 n 5 A 5 A A 6 n 6 A 6 A A 7 n 7 A 7 A G 8 n 8 G 8 A C 9 n 9 C 9 A A 10 n 10 A 10 A U 11 n 11 U 11 A A 12 n 12 A 12 A G 13 n 13 G 13 A U 14 n 14 U 14 A G 15 n 15 G 15 A G 16 n 16 G 16 A G 17 n 17 G 17 A A 18 n 18 A 18 A A 19 n 19 A 19 A A 20 n 20 A 20 A G 21 n 21 G 21 A U 22 n 22 U 22 A G 23 n 23 G 23 A A 24 n 24 A 24 A C 25 n 25 C 25 A G 26 n 26 G 26 A U 27 n 27 U 27 A G 28 n 28 G 28 A A 29 n 29 A 29 A A 30 n 30 A 30 A A 31 n 31 A 31 A U 32 n 32 U 32 A U 33 n 33 U 33 A C 34 n 34 C 34 A G 35 n 35 G 35 A U 36 n 36 U 36 A C 37 n 37 C 37 A C 38 n 38 C 38 A A 39 n 39 A 39 A C 40 n 40 C 40 A A 41 n 41 A 41 A C 42 n 42 C 42 A G 43 n 43 G 43 A A 44 n 44 A 44 A A 45 n 45 A 45 A A 46 n 46 A 46 A G 47 n 47 G 47 A U 48 n 48 U 48 A A 49 n 49 A 49 A A 50 n 50 A 50 A G 51 n 51 G 51 A G 52 n 52 G 52 A U 53 n 53 U 53 A C 54 n 54 C 54 A A 55 n 55 A 55 A U 56 n 56 U 56 A A 57 n 57 A 57 A G 58 n 58 G 58 A U 59 n 59 U 59 A C 60 n 60 C 60 A C 61 n 61 C 61 A G 62 n 62 G 62 A A 63 n 63 A 63 A A 64 n 64 A 64 A U 65 n 65 U 65 A G 66 n 66 G 66 A C 67 n 67 C 67 A C 68 n 68 C 68 A A 69 n 69 A 69 A C 70 n 70 C 70 A C 71 n 71 C 71 A U 72 n 72 U 72 A A 73 n 73 A 73 A C 74 n 74 C 74 A C 75 n 75 C 75 A A 76 n 76 A 76 A G 1 n 1 G 1 B G 2 n 2 G 2 B U 3 n 3 U 3 B A 4 n 4 A 4 B A 5 n 5 A 5 B A 6 n 6 A 6 B A 7 n 7 A 7 B G 8 n 8 G 8 B C 9 n 9 C 9 B A 10 n 10 A 10 B U 11 n 11 U 11 B A 12 n 12 A 12 B G 13 n 13 G 13 B U 14 n 14 U 14 B G 15 n 15 G 15 B G 16 n 16 G 16 B G 17 n 17 G 17 B A 18 n 18 A 18 B A 19 n 19 A 19 B A 20 n 20 A 20 B G 21 n 21 G 21 B U 22 n 22 U 22 B G 23 n 23 G 23 B A 24 n 24 A 24 B C 25 n 25 C 25 B G 26 n 26 G 26 B U 27 n 27 U 27 B G 28 n 28 G 28 B A 29 n 29 A 29 B A 30 n 30 A 30 B A 31 n 31 A 31 B U 32 n 32 U 32 B U 33 n 33 U 33 B C 34 n 34 C 34 B G 35 n 35 G 35 B U 36 n 36 U 36 B C 37 n 37 C 37 B C 38 n 38 C 38 B A 39 n 39 A 39 B C 40 n 40 C 40 B A 41 n 41 A 41 B C 42 n 42 C 42 B G 43 n 43 G 43 B A 44 n 44 A 44 B A 45 n 45 A 45 B A 46 n 46 A 46 B G 47 n 47 G 47 B U 48 n 48 U 48 B A 49 n 49 A 49 B A 50 n 50 A 50 B G 51 n 51 G 51 B G 52 n 52 G 52 B U 53 n 53 U 53 B C 54 n 54 C 54 B A 55 n 55 A 55 B U 56 n 56 U 56 B A 57 n 57 A 57 B G 58 n 58 G 58 B U 59 n 59 U 59 B C 60 n 60 C 60 B C 61 n 61 C 61 B G 62 n 62 G 62 B A 63 n 63 A 63 B A 64 n 64 A 64 B U 65 n 65 U 65 B G 66 n 66 G 66 B C 67 n 67 C 67 B C 68 n 68 C 68 B A 69 n 69 A 69 B C 70 n 70 C 70 B C 71 n 71 C 71 B U 72 n 72 U 72 B A 73 n 73 A 73 B C 74 n 74 C 74 B C 75 n 75 C 75 B A 76 n 76 A 76 B author_defined_assembly 1 monomeric author_defined_assembly 1 monomeric none A A 5 A OP1 A 5 1_555 A MG 112 N MG MG 1_555 A A 5 A O3' A 5 1_555 74.5 A U 11 A OP1 U 11 1_555 A MG 105 G MG MG 1_555 A A 12 A OP2 A 12 1_555 91.9 A A 49 A OP1 A 49 1_555 A MG 111 M MG MG 1_555 A G 58 A OP2 G 58 1_555 97.9 A A 64 A O2' A 64 1_555 A K 113 O K K 1_555 A G 66 A O6 G 66 1_555 81.8 A A 64 A O2' A 64 1_555 A K 113 O K K 1_555 A A1DMT 101 C O51 A1DMT 1_555 88.9 A G 66 A O6 G 66 1_555 A K 113 O K K 1_555 A A1DMT 101 C O51 A1DMT 1_555 70.8 B A 5 B OP1 A 5 1_555 B MG 105 T MG MG 1_555 B A 6 B OP2 A 6 1_555 89.0 B U 11 B OP1 U 11 1_555 B MG 104 S MG MG 1_555 B A 12 B OP2 A 12 1_555 73.1 B A 49 B OP1 A 49 1_555 B MG 111 Z MG MG 1_555 B G 58 B OP2 G 58 1_555 90.6 B A 64 B O2' A 64 1_555 B K 112 AA K K 1_555 B G 66 B O6 G 66 1_555 71.8 B A 64 B O2' A 64 1_555 B K 112 AA K K 1_555 B A1DMT 101 P O51 A1DMT 1_555 99.8 B G 66 B O6 G 66 1_555 B K 112 AA K K 1_555 B A1DMT 101 P O51 A1DMT 1_555 85.8 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 1 A A C6 N1 G N3D 35 102 2.05 1 -3.93 0.60 118.60 114.67 A A A N1 C6 N6 A A A 5 5 5 N 1 5.08 0.70 122.80 127.88 A A A N1 C2 O2 U U U 11 11 11 N 1 -6.95 0.70 122.20 115.25 A A A N3 C2 O2 U U U 11 11 11 N 1 7.39 1.20 117.70 125.09 A A A C2 N1 C1' U U U 11 11 11 N 1 -3.80 0.60 118.60 114.80 A A A C6 N1 C2 A A A 12 12 12 N 1 -4.39 0.60 119.90 115.51 A A A N1 C6 O6 G G G 13 13 13 N 1 -2.72 0.40 106.40 103.68 A A A C8 N9 C4 G G G 21 21 21 N 1 -2.59 0.40 120.30 117.71 A A A C6 N1 C2 C C C 38 38 38 N 1 -5.91 0.90 105.70 99.79 A A A O5' P OP2 A A A 39 39 39 N 1 -3.80 0.60 128.60 124.80 A A A C5 C6 O6 G G G 43 43 43 N 1 -3.69 0.50 110.60 106.91 A A A C2 N3 C4 A A A 45 45 45 N 1 -3.22 0.50 117.70 114.48 A A A C5 C6 N1 A A A 45 45 45 N 1 5.04 0.60 118.60 123.64 A A A N1 C6 N6 A A A 45 45 45 N 1 -3.10 0.50 111.90 108.80 A A A C2 N3 C4 G G G 47 47 47 N 1 -7.67 0.90 105.70 98.03 A A A O5' P OP2 U U U 48 48 48 N 1 -3.60 0.60 118.60 115.00 A A A N1 C6 N6 A A A 50 50 50 N 1 -3.24 0.40 120.30 117.06 A A A C6 N1 C2 C C C 54 54 54 N 1 -4.25 0.50 103.90 99.65 A A A C5 N7 C8 A A A 55 55 55 N 1 3.52 0.50 113.80 117.32 A A A N7 C8 N9 A A A 55 55 55 N 1 -3.72 0.60 118.60 114.88 A A A C6 N1 C2 A A A 57 57 57 N 1 -3.12 0.50 110.60 107.48 A A A C2 N3 C4 A A A 64 64 64 N 1 -3.26 0.50 117.70 114.44 A A A C5 C6 N1 A A A 64 64 64 N 1 -5.55 0.90 105.70 100.15 A A A O5' P OP2 C C C 67 67 67 N 1 2.53 0.40 120.30 122.83 A A A C6 N1 C2 C C C 74 74 74 N 1 2.44 0.40 120.30 122.74 A A A C6 N1 C2 C C C 75 75 75 N 1 11.23 1.60 113.70 124.93 B B B C2' C3' O3' A A A 5 5 5 N 1 8.57 1.20 119.70 128.27 B B B C3' O3' P A A A 5 5 6 Y 1 -5.03 0.60 118.60 113.57 B B B N1 C6 N6 A A A 7 7 7 N 1 4.76 0.60 125.90 130.66 B B B C5 C4 O4 U U U 11 11 11 N 1 2.89 0.40 105.80 108.69 B B B C8 N9 C4 A A A 18 18 18 N 1 3.02 0.40 120.30 123.32 B B B C6 N1 C2 C C C 38 38 38 N 1 -5.49 0.90 105.70 100.21 B B B O5' P OP2 A A A 44 44 44 N 1 -5.14 0.50 110.60 105.46 B B B C2 N3 C4 A A A 45 45 45 N 1 -3.50 0.50 117.70 114.20 B B B C5 C6 N1 A A A 45 45 45 N 1 4.04 0.60 118.60 122.64 B B B N1 C6 N6 A A A 45 45 45 N 1 -2.71 0.40 120.30 117.59 B B B C6 N1 C2 C C C 54 54 54 N 1 -2.82 0.40 121.90 119.08 B B B N3 C4 C5 C C C 61 61 61 N 1 -6.79 0.90 105.70 98.91 B B B O5' P OP2 A A A 64 64 64 N 1 A A N9 C4 A A 55 55 -0.038 0.006 1.374 1.336 N 1 A A N3 C4 A A 57 57 -0.037 0.006 1.344 1.307 N 0.2972 0.2005 0.2104 2.99 19.72 930 9127 10.19 94.50 0.46 1 FREE R-VALUE 1.34 MOLECULAR REPLACEMENT 31.47 0.90 1.11 ML FLAT BULK SOLVENT MODEL 2.99 19.72 3 3514 249 3262 0 0.010 3906 1.810 6102 16.666 1950 0.078 790 0.010 170 0.4110 0.3307 3.15 128 1144 93.00 0.3421 0.2349 3.34 133 1159 93.00 0.3199 0.2056 3.60 129 1173 95.00 0.2793 0.1745 3.96 142 1153 94.00 0.2660 0.1603 4.53 129 1176 95.00 0.2355 0.1517 5.68 132 1198 96.00 0.2691 0.1985 19.72 137 1194 95.00 2.50 20.00 37CN 15720 0.074 0.125 1 12.5 2.4 94.9 0.224 2.50 2.59 1290 0.940 0.985 0.185 0.292 0.627 1 1.7 79.4 0.216 2.59 2.69 1526 0.948 0.987 0.170 0.276 0.667 1 2.1 92.8 0.197 2.69 2.81 1603 0.962 0.990 0.145 0.246 0.829 1 2.4 96.2 0.161 2.81 2.96 1601 0.970 0.992 0.119 0.201 1.111 1 2.5 98.2 0.170 2.96 3.15 1599 0.951 0.987 0.126 0.212 1.791 1 2.5 98.1 0.123 3.15 3.39 1644 0.983 0.996 0.092 0.154 2.144 1 2.5 97.8 0.101 3.39 3.73 1605 0.985 0.996 0.074 0.126 2.163 1 2.6 97.5 0.088 3.73 4.26 1640 0.985 0.996 0.066 0.110 2.264 1 2.5 97.0 0.073 4.26 5.35 1598 0.987 0.997 0.053 0.091 2.157 1 2.6 96.6 0.060 5.35 20.00 1614 0.989 0.997 0.045 0.075 2.318 1 2.4 95.3 refinement PHENIX 1.19.2 data scaling HKL-3000 data extraction PDB_EXTRACT data reduction HKL-3000 phasing PHASER N env2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopentylpropiolamide-cobalamin 1 N N 1 N N 2 N N 3 N N 4 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N 6 N N 2 N N 3 N N 4 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N 6 N N 7 N N covale 1.308 none A G 35 A O6 G 35 1_555 A N3D 102 D N1 N3D 1_555 covale 1.375 none B G 35 B N7 G 35 1_555 B N3D 102 Q N1 N3D 1_555 metalc 2.159 A G 1 A OP2 G 1 1_555 A MG 104 F MG MG 1_555 metalc 2.175 A A 5 A OP1 A 5 1_555 A MG 112 N MG MG 1_555 metalc 2.989 A A 5 A O3' A 5 1_555 A MG 112 N MG MG 1_555 metalc 2.695 A U 11 A OP1 U 11 1_555 A MG 105 G MG MG 1_555 metalc 2.009 A A 12 A OP2 A 12 1_555 A MG 105 G MG MG 1_555 metalc 2.760 A G 21 A O6 G 21 1_555 A MG 107 I MG MG 1_555 metalc 2.232 A U 32 A OP2 U 32 1_555 A MG 108 J MG MG 1_555 metalc 2.205 A A 49 A OP1 A 49 1_555 A MG 111 M MG MG 1_555 metalc 2.011 A G 58 A OP2 G 58 1_555 A MG 111 M MG MG 1_555 metalc 2.921 A A 64 A O2' A 64 1_555 A K 113 O K K 1_555 metalc 3.097 A G 66 A O6 G 66 1_555 A K 113 O K K 1_555 metalc 3.262 A A1DMT 101 C O51 A1DMT 1_555 A K 113 O K K 1_555 metalc 2.128 B A 5 B OP1 A 5 1_555 B MG 105 T MG MG 1_555 metalc 2.738 B A 6 B OP2 A 6 1_555 B MG 105 T MG MG 1_555 metalc 2.265 B U 11 B OP1 U 11 1_555 B MG 104 S MG MG 1_555 metalc 2.244 B A 12 B OP2 A 12 1_555 B MG 104 S MG MG 1_555 metalc 2.174 B U 32 B OP2 U 32 1_555 B MG 108 W MG MG 1_555 metalc 2.203 B A 49 B OP1 A 49 1_555 B MG 111 Z MG MG 1_555 metalc 2.506 B G 58 B OP2 G 58 1_555 B MG 111 Z MG MG 1_555 metalc 3.333 B A 64 B O2' A 64 1_555 B K 112 AA K K 1_555 metalc 2.774 B G 66 B O6 G 66 1_555 B K 112 AA K K 1_555 metalc 2.729 B A1DMT 101 P O51 A1DMT 1_555 B K 112 AA K K 1_555 hydrog WATSON-CRICK A G 1 A N1 G 1 1_555 A C 75 A N3 C 75 1_555 hydrog WATSON-CRICK A G 1 A N2 G 1 1_555 A C 75 A O2 C 75 1_555 hydrog WATSON-CRICK A G 1 A O6 G 1 1_555 A C 75 A N4 C 75 1_555 hydrog WATSON-CRICK A G 2 A N1 G 2 1_555 A C 74 A N3 C 74 1_555 hydrog WATSON-CRICK A G 2 A N2 G 2 1_555 A C 74 A O2 C 74 1_555 hydrog WATSON-CRICK A G 2 A O6 G 2 1_555 A C 74 A N4 C 74 1_555 hydrog WATSON-CRICK A U 3 A N3 U 3 1_555 A A 73 A N1 A 73 1_555 hydrog WATSON-CRICK A U 3 A O4 U 3 1_555 A A 73 A N6 A 73 1_555 hydrog WATSON-CRICK A A 4 A N1 A 4 1_555 A U 72 A N3 U 72 1_555 hydrog WATSON-CRICK A A 4 A N6 A 4 1_555 A U 72 A O4 U 72 1_555 hydrog REVERSED WATSON-CRICK A A 7 A N1 A 7 1_555 A U 11 A N3 U 11 1_555 hydrog REVERSED WATSON-CRICK A A 7 A N6 A 7 1_555 A U 11 A O2 U 11 1_555 hydrog G-U MISPAIR A G 8 A N2 G 8 1_555 A U 65 A O2 U 65 1_555 hydrog WATSON-CRICK A C 9 A N3 C 9 1_555 A G 66 A N1 G 66 1_555 hydrog WATSON-CRICK A C 9 A N4 C 9 1_555 A G 66 A O6 G 66 1_555 hydrog WATSON-CRICK A C 9 A O2 C 9 1_555 A G 66 A N2 G 66 1_555 hydrog A-C MISPAIR A A 12 A N6 A 12 1_555 A C 71 A O2 C 71 1_555 hydrog WATSON-CRICK A G 13 A N1 G 13 1_555 A C 70 A N3 C 70 1_555 hydrog WATSON-CRICK A G 13 A N2 G 13 1_555 A C 70 A O2 C 70 1_555 hydrog WATSON-CRICK A G 13 A O6 G 13 1_555 A C 70 A N4 C 70 1_555 hydrog WATSON-CRICK A U 14 A N3 U 14 1_555 A A 69 A N1 A 69 1_555 hydrog WATSON-CRICK A U 14 A O4 U 14 1_555 A A 69 A N6 A 69 1_555 hydrog WATSON-CRICK A G 15 A N1 G 15 1_555 A C 68 A N3 C 68 1_555 hydrog WATSON-CRICK A G 15 A N2 G 15 1_555 A C 68 A O2 C 68 1_555 hydrog WATSON-CRICK A G 15 A O6 G 15 1_555 A C 68 A N4 C 68 1_555 hydrog WATSON-CRICK A G 16 A N1 G 16 1_555 A C 67 A N3 C 67 1_555 hydrog WATSON-CRICK A G 16 A N2 G 16 1_555 A C 67 A O2 C 67 1_555 hydrog WATSON-CRICK A G 16 A O6 G 16 1_555 A C 67 A N4 C 67 1_555 hydrog A-G MISPAIR A A 20 A N3 A 20 1_555 A G 58 A N2 G 58 1_555 hydrog WATSON-CRICK A G 21 A N1 G 21 1_555 A C 38 A N3 C 38 1_555 hydrog WATSON-CRICK A G 21 A N2 G 21 1_555 A C 38 A O2 C 38 1_555 hydrog WATSON-CRICK A G 21 A O6 G 21 1_555 A C 38 A N4 C 38 1_555 hydrog WATSON-CRICK A G 23 A N1 G 23 1_555 A C 37 A N3 C 37 1_555 hydrog WATSON-CRICK A G 23 A N2 G 23 1_555 A C 37 A O2 C 37 1_555 hydrog WATSON-CRICK A G 23 A O6 G 23 1_555 A C 37 A N4 C 37 1_555 hydrog WATSON-CRICK A A 24 A N1 A 24 1_555 A U 36 A N3 U 36 1_555 hydrog WATSON-CRICK A A 24 A N6 A 24 1_555 A U 36 A O4 U 36 1_555 hydrog WATSON-CRICK A C 25 A N3 C 25 1_555 A G 35 A N1 G 35 1_555 hydrog WATSON-CRICK A C 25 A N4 C 25 1_555 A G 35 A O6 G 35 1_555 hydrog WATSON-CRICK A C 25 A O2 C 25 1_555 A G 35 A N2 G 35 1_555 hydrog WATSON-CRICK A G 26 A N1 G 26 1_555 A C 34 A N3 C 34 1_555 hydrog WATSON-CRICK A G 26 A N2 G 26 1_555 A C 34 A O2 C 34 1_555 hydrog WATSON-CRICK A G 26 A O6 G 26 1_555 A C 34 A N4 C 34 1_555 hydrog REVERSED HOOGSTEEN A U 27 A N3 U 27 1_555 A A 31 A N7 A 31 1_555 hydrog REVERSED HOOGSTEEN A U 27 A O2 U 27 1_555 A A 31 A N6 A 31 1_555 hydrog TYPE_11_PAIR A G 28 A N2 G 28 1_555 A A 55 A N7 A 55 1_555 hydrog TYPE_11_PAIR A G 28 A N3 G 28 1_555 A A 55 A N6 A 55 1_555 hydrog WATSON-CRICK A A 39 A N1 A 39 1_555 A U 59 A N3 U 59 1_555 hydrog WATSON-CRICK A A 39 A N6 A 39 1_555 A U 59 A O4 U 59 1_555 hydrog WATSON-CRICK A C 40 A N3 C 40 1_555 A G 58 A N1 G 58 1_555 hydrog WATSON-CRICK A C 40 A N4 C 40 1_555 A G 58 A O6 G 58 1_555 hydrog WATSON-CRICK A C 40 A O2 C 40 1_555 A G 58 A N2 G 58 1_555 hydrog WATSON-CRICK A A 41 A N1 A 41 1_555 A U 48 A N3 U 48 1_555 hydrog WATSON-CRICK A A 41 A N6 A 41 1_555 A U 48 A O4 U 48 1_555 hydrog WATSON-CRICK A C 42 A N3 C 42 1_555 A G 47 A N1 G 47 1_555 hydrog WATSON-CRICK A C 42 A N4 C 42 1_555 A G 47 A O6 G 47 1_555 hydrog WATSON-CRICK A C 42 A O2 C 42 1_555 A G 47 A N2 G 47 1_555 hydrog G-A MISPAIR A G 43 A N2 G 43 1_555 A A 46 A N7 A 46 1_555 hydrog A-A MISPAIR A A 49 A N6 A 49 1_555 A A 63 A N1 A 63 1_555 hydrog TYPE_8_PAIR A A 50 A N1 A 50 1_555 A G 62 A N1 G 62 1_555 hydrog TYPE_8_PAIR A A 50 A N6 A 50 1_555 A G 62 A O6 G 62 1_555 hydrog WATSON-CRICK A G 51 A N1 G 51 1_555 A C 61 A N3 C 61 1_555 hydrog WATSON-CRICK A G 51 A N2 G 51 1_555 A C 61 A O2 C 61 1_555 hydrog WATSON-CRICK A G 51 A O6 G 51 1_555 A C 61 A N4 C 61 1_555 hydrog WATSON-CRICK A G 52 A N1 G 52 1_555 A C 60 A N3 C 60 1_555 hydrog WATSON-CRICK A G 52 A N2 G 52 1_555 A C 60 A O2 C 60 1_555 hydrog WATSON-CRICK A G 52 A O6 G 52 1_555 A C 60 A N4 C 60 1_555 hydrog REVERSED HOOGSTEEN A U 53 A N3 U 53 1_555 A A 57 A N7 A 57 1_555 hydrog REVERSED HOOGSTEEN A U 53 A O2 U 53 1_555 A A 57 A N6 A 57 1_555 hydrog WATSON-CRICK B G 1 B N1 G 1 1_555 B C 75 B N3 C 75 1_555 hydrog WATSON-CRICK B G 1 B N2 G 1 1_555 B C 75 B O2 C 75 1_555 hydrog WATSON-CRICK B G 1 B O6 G 1 1_555 B C 75 B N4 C 75 1_555 hydrog WATSON-CRICK B G 2 B N1 G 2 1_555 B C 74 B N3 C 74 1_555 hydrog WATSON-CRICK B G 2 B N2 G 2 1_555 B C 74 B O2 C 74 1_555 hydrog WATSON-CRICK B G 2 B O6 G 2 1_555 B C 74 B N4 C 74 1_555 hydrog WATSON-CRICK B U 3 B N3 U 3 1_555 B A 73 B N1 A 73 1_555 hydrog WATSON-CRICK B U 3 B O4 U 3 1_555 B A 73 B N6 A 73 1_555 hydrog WATSON-CRICK B A 4 B N1 A 4 1_555 B U 72 B N3 U 72 1_555 hydrog WATSON-CRICK B A 4 B N6 A 4 1_555 B U 72 B O4 U 72 1_555 hydrog REVERSED WATSON-CRICK B A 7 B N1 A 7 1_555 B U 11 B N3 U 11 1_555 hydrog REVERSED WATSON-CRICK B A 7 B N6 A 7 1_555 B U 11 B O2 U 11 1_555 hydrog G-U MISPAIR B G 8 B N2 G 8 1_555 B U 65 B O2 U 65 1_555 hydrog WATSON-CRICK B C 9 B N3 C 9 1_555 B G 66 B N1 G 66 1_555 hydrog WATSON-CRICK B C 9 B N4 C 9 1_555 B G 66 B O6 G 66 1_555 hydrog WATSON-CRICK B C 9 B O2 C 9 1_555 B G 66 B N2 G 66 1_555 hydrog A-C MISPAIR B A 12 B N6 A 12 1_555 B C 71 B O2 C 71 1_555 hydrog WATSON-CRICK B G 13 B N1 G 13 1_555 B C 70 B N3 C 70 1_555 hydrog WATSON-CRICK B G 13 B N2 G 13 1_555 B C 70 B O2 C 70 1_555 hydrog WATSON-CRICK B G 13 B O6 G 13 1_555 B C 70 B N4 C 70 1_555 hydrog WATSON-CRICK B U 14 B N3 U 14 1_555 B A 69 B N1 A 69 1_555 hydrog WATSON-CRICK B U 14 B O4 U 14 1_555 B A 69 B N6 A 69 1_555 hydrog WATSON-CRICK B G 15 B N1 G 15 1_555 B C 68 B N3 C 68 1_555 hydrog WATSON-CRICK B G 15 B N2 G 15 1_555 B C 68 B O2 C 68 1_555 hydrog WATSON-CRICK B G 15 B O6 G 15 1_555 B C 68 B N4 C 68 1_555 hydrog WATSON-CRICK B G 16 B N1 G 16 1_555 B C 67 B N3 C 67 1_555 hydrog WATSON-CRICK B G 16 B N2 G 16 1_555 B C 67 B O2 C 67 1_555 hydrog WATSON-CRICK B G 16 B O6 G 16 1_555 B C 67 B N4 C 67 1_555 hydrog A-G MISPAIR B A 20 B N3 A 20 1_555 B G 58 B N2 G 58 1_555 hydrog WATSON-CRICK B G 21 B N1 G 21 1_555 B C 38 B N3 C 38 1_555 hydrog WATSON-CRICK B G 21 B N2 G 21 1_555 B C 38 B O2 C 38 1_555 hydrog WATSON-CRICK B G 21 B O6 G 21 1_555 B C 38 B N4 C 38 1_555 hydrog WATSON-CRICK B G 23 B N1 G 23 1_555 B C 37 B N3 C 37 1_555 hydrog WATSON-CRICK B G 23 B N2 G 23 1_555 B C 37 B O2 C 37 1_555 hydrog WATSON-CRICK B G 23 B O6 G 23 1_555 B C 37 B N4 C 37 1_555 hydrog WATSON-CRICK B A 24 B N1 A 24 1_555 B U 36 B N3 U 36 1_555 hydrog WATSON-CRICK B A 24 B N6 A 24 1_555 B U 36 B O4 U 36 1_555 hydrog WATSON-CRICK B C 25 B N3 C 25 1_555 B G 35 B N1 G 35 1_555 hydrog WATSON-CRICK B C 25 B N4 C 25 1_555 B G 35 B O6 G 35 1_555 hydrog WATSON-CRICK B C 25 B O2 C 25 1_555 B G 35 B N2 G 35 1_555 hydrog WATSON-CRICK B G 26 B N1 G 26 1_555 B C 34 B N3 C 34 1_555 hydrog WATSON-CRICK B G 26 B N2 G 26 1_555 B C 34 B O2 C 34 1_555 hydrog WATSON-CRICK B G 26 B O6 G 26 1_555 B C 34 B N4 C 34 1_555 hydrog REVERSED HOOGSTEEN B U 27 B N3 U 27 1_555 B A 31 B N7 A 31 1_555 hydrog REVERSED HOOGSTEEN B U 27 B O2 U 27 1_555 B A 31 B N6 A 31 1_555 hydrog TYPE_11_PAIR B G 28 B N2 G 28 1_555 B A 55 B N7 A 55 1_555 hydrog TYPE_11_PAIR B G 28 B N3 G 28 1_555 B A 55 B N6 A 55 1_555 hydrog WATSON-CRICK B A 39 B N1 A 39 1_555 B U 59 B N3 U 59 1_555 hydrog WATSON-CRICK B A 39 B N6 A 39 1_555 B U 59 B O4 U 59 1_555 hydrog WATSON-CRICK B C 40 B N3 C 40 1_555 B G 58 B N1 G 58 1_555 hydrog WATSON-CRICK B C 40 B N4 C 40 1_555 B G 58 B O6 G 58 1_555 hydrog WATSON-CRICK B C 40 B O2 C 40 1_555 B G 58 B N2 G 58 1_555 hydrog WATSON-CRICK B A 41 B N1 A 41 1_555 B U 48 B N3 U 48 1_555 hydrog WATSON-CRICK B A 41 B N6 A 41 1_555 B U 48 B O4 U 48 1_555 hydrog WATSON-CRICK B C 42 B N3 C 42 1_555 B G 47 B N1 G 47 1_555 hydrog WATSON-CRICK B C 42 B N4 C 42 1_555 B G 47 B O6 G 47 1_555 hydrog WATSON-CRICK B C 42 B O2 C 42 1_555 B G 47 B N2 G 47 1_555 hydrog G-A MISPAIR B G 43 B N2 G 43 1_555 B A 46 B N7 A 46 1_555 hydrog A-A MISPAIR B A 49 B N6 A 49 1_555 B A 63 B N1 A 63 1_555 hydrog TYPE_8_PAIR B A 50 B N1 A 50 1_555 B G 62 B N1 G 62 1_555 hydrog TYPE_8_PAIR B A 50 B N6 A 50 1_555 B G 62 B O6 G 62 1_555 hydrog WATSON-CRICK B G 51 B N1 G 51 1_555 B C 61 B N3 C 61 1_555 hydrog WATSON-CRICK B G 51 B N2 G 51 1_555 B C 61 B O2 C 61 1_555 hydrog WATSON-CRICK B G 51 B O6 G 51 1_555 B C 61 B N4 C 61 1_555 hydrog WATSON-CRICK B G 52 B N1 G 52 1_555 B C 60 B N3 C 60 1_555 hydrog WATSON-CRICK B G 52 B N2 G 52 1_555 B C 60 B O2 C 60 1_555 hydrog WATSON-CRICK B G 52 B O6 G 52 1_555 B C 60 B N4 C 60 1_555 hydrog REVERSED HOOGSTEEN B U 53 B N3 U 53 1_555 B A 57 B N7 A 57 1_555 hydrog REVERSED HOOGSTEEN B U 53 B O2 U 53 1_555 B A 57 B N6 A 57 1_555 RNA riboswitch, aptamer, vitamin B12, cobalamin, RNA 37CN PDB 1 1 37CN 1 76 37CN 1 76 37CN A 1 1 76 1 76 37CN 1 76 37CN B 1 1 76 4 P 1 21 1