0.024577 0.000000 0.000489 0.000000 0.012793 0.000000 0.000000 0.000000 0.012580 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 91.14 90.00 40.689 78.167 79.508 C10 H14 N5 O7 P 347.221 y ADENOSINE-5'-MONOPHOSPHATE RNA linking C69 H97 Co N14 O15 P 1452.500 ethynyl-N-CH2-cyclopropylpropiolamide-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 S C N 54 N C N 55 N C N 56 N C N 57 R C N 58 R C N 59 R C N 60 N 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 S C N 91 S C N 92 N C Y 93 N C Y 94 N C Y 95 N C Y 96 N C Y 97 N C Y 98 N C N 99 S C N 100 R C N 101 S C N 102 R C N 103 N C N 104 N N 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 O 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 P N 132 N C N 133 N C N 134 N CO N 135 N C N 136 R C N 137 N C N 138 N H 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 O N 236 N P N 237 N O N 238 N O N 239 N O N 240 N C N 241 R C N 242 N O N 243 S C N 244 N O N 245 R C N 246 N O N 247 R C N 248 N N N 249 N C N 250 N O N 251 N N N 252 N C N 253 N N N 254 N C N 255 N C N 256 N H N 257 N H N 258 N H 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 O N 271 N P N 272 N O N 273 N O N 274 N O N 275 N C N 276 R C N 277 N O N 278 S C N 279 N O N 280 R C N 281 N O N 282 R C Y 283 N N Y 284 N C Y 285 N N Y 286 N C N 287 N C N 288 N O N 289 N N N 290 N C N 291 N N N 292 N N Y 293 N C N 294 N H N 295 N H N 296 N H 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 O N 309 N H N 310 N H N 311 N K N 312 N MG N 313 N N N 314 N C N 315 N C N 316 N C N 317 N N N 318 N C N 319 N H N 320 N H N 321 N H 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 C N 332 N C N 333 N C N 334 N C N 335 N N N 336 N O N 337 N O N 338 N O N 339 N H N 340 N H N 341 N H 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 O N 352 N P N 353 N O N 354 N O N 355 N O N 356 N C N 357 R C N 358 N O N 359 S C N 360 N O N 361 R C N 362 N O N 363 R C N 364 N N N 365 N C N 366 N O N 367 N N N 368 N C N 369 N O N 370 N C N 371 N C N 372 N H N 373 N H N 374 N H 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 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 sing N 42 N doub N 43 N sing N 44 N doub 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 sing N 54 N doub 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 Y 65 N doub Y 66 N sing N 67 N sing N 68 N sing N 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 sing Y 79 N doub N 80 N sing Y 81 N doub N 82 N sing Y 83 N sing Y 84 N sing N 85 N sing N 86 N doub N 87 N sing N 88 N doub N 89 N sing N 90 N doub N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N sing N 96 N doub N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N doub N 102 N sing N 103 N doub N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N doub 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 doub N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N doub N 129 N doub N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing 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 sing N 145 N sing N 146 N sing N 147 N sing N 148 N doub 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 doub N 252 N sing N 253 N sing N 254 N sing 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 doub N 276 N sing N 277 N doub N 278 N sing N 279 N sing N 280 N sing N 281 N sing N 282 N doub N 283 N sing N 284 N sing N 285 N sing N 286 N sing N 287 N doub N 288 N sing N 289 N sing N 290 N sing 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 Y 309 N sing Y 310 N sing Y 311 N doub N 312 N sing Y 313 N sing N 314 N sing Y 315 N doub N 316 N doub N 317 N sing N 318 N sing N 319 N sing N 320 N sing N 321 N doub N 322 N sing N 323 N sing N 324 N sing 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 doub N 366 N sing N 367 N sing N 368 N sing 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 doub N 390 N sing N 391 N sing N 392 N sing N 393 N doub N 394 N sing N 395 N doub N 396 N sing N 397 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/pdb37cp/pdb pdb_000037cp 100 1 N PIXEL 2026-03-07 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 1452.500 ethynyl-N-CH2-cyclopropylpropiolamide-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 75 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 -3.104 1 19 A 1 A 75 1.283 A_G1:C75_A 1 -10.029 -0.034 0.215 -0.205 -0.343 1 19 A 2 A 74 -0.216 A_G2:C74_A 2 -17.398 -0.238 0.139 -0.217 -1.720 1 20 A 3 A 73 2.013 A_U3:A73_A 3 -13.647 0.121 0.031 -0.243 -3.189 1 20 A 4 A 72 0.309 A_A4:U72_A 4 -2.121 -0.102 -0.270 -0.057 7.333 1 A 12 A 71 -10.391 A_A12:C71_A 5 -6.089 -4.655 0.536 -1.181 -1.036 1 19 A 13 A 70 -1.194 A_G13:C70_A 6 -4.210 -0.162 0.144 -0.143 -2.917 1 20 A 14 A 69 0.429 A_U14:A69_A 7 -8.067 0.016 -0.073 -0.062 -2.417 1 19 A 15 A 68 -0.611 A_G15:C68_A 8 -6.092 -0.293 0.162 -0.229 -1.065 1 19 A 16 A 67 2.803 A_G16:C67_A 9 -8.298 -0.371 -0.094 -0.079 -2.825 2 21 A 7 A 11 171.764 A_A7:U11_A 10 1.462 0.307 0.066 1.242 26.448 A 8 A 65 -136.614 A_G8:U65_A 11 -13.529 -1.033 -0.346 -6.715 28.141 1 19 A 9 A 66 6.540 A_C9:G66_A 12 -6.418 0.268 -0.018 0.188 -20.851 A 46 A 43 -49.394 A_A46:G43_A 13 -3.657 -7.797 0.459 -5.190 -8.228 1 19 A 47 A 42 -3.524 A_G47:C42_A 14 2.597 -0.161 -0.153 -0.436 1.906 1 20 A 48 A 41 2.845 A_U48:A41_A 15 0.394 0.077 0.013 -0.132 -6.199 1 19 A 58 A 40 2.631 A_G58:C40_A 16 -19.143 -0.375 0.107 -0.296 3.385 1 20 A 59 A 39 -0.178 A_U59:A39_A 17 -9.924 -0.232 -0.324 -0.187 -13.563 1 19 A 21 A 38 6.880 A_G21:C38_A 18 -8.596 -0.202 -0.072 -0.062 4.859 1 19 A 23 A 37 3.597 A_G23:C37_A 19 0.790 -0.219 0.351 -0.198 6.953 1 20 A 24 A 36 -0.579 A_A24:U36_A 20 -6.342 0.267 0.440 -0.262 -0.156 1 19 A 25 A 35 1.335 A_C25:G35_A 21 -3.671 0.329 0.088 -0.188 -23.387 1 19 A 26 A 34 0.351 A_G26:C34_A 22 -11.694 -0.189 -0.432 -0.029 2.329 4 24 A 27 A 31 -90.844 A_U27:A31_A 23 10.117 4.237 0.763 -2.218 25.480 10 11 A 28 A 55 3.790 A_G28:A55_A 24 22.465 6.621 0.181 -4.260 23.352 1 A 49 A 63 -21.967 A_A49:A63_A 25 -8.936 -2.134 -0.097 1.615 14.836 1 8 A 50 A 62 -4.310 A_A50:G62_A 26 -14.657 -0.244 -0.116 1.725 1.044 1 19 A 51 A 61 3.794 A_G51:C61_A 27 -13.959 -0.240 0.301 -0.186 -7.898 1 19 A 52 A 60 2.065 A_G52:C60_A 28 -13.949 -0.079 -0.002 -0.155 -3.506 4 24 A 53 A 57 -96.699 A_U53:A57_A 29 1.902 4.199 -0.472 -2.165 7.379 1 19 B 1 B 75 -1.894 B_G1:C75_B 30 -10.781 -0.062 0.280 -0.223 -3.461 1 19 B 2 B 74 4.883 B_G2:C74_B 31 -16.279 -0.412 -0.157 -0.152 -4.456 1 20 B 3 B 73 2.649 B_U3:A73_B 32 -15.316 -0.263 0.258 -0.146 2.948 1 20 B 4 B 72 5.070 B_A4:U72_B 33 -10.428 0.048 0.175 -0.368 5.756 1 B 12 B 71 -5.049 B_A12:C71_B 34 -12.068 -4.919 -0.233 -0.955 -2.920 1 19 B 13 B 70 -0.171 B_G13:C70_B 35 -11.340 -0.196 -0.115 -0.171 1.050 1 20 B 14 B 69 2.744 B_U14:A69_B 36 -9.571 0.099 -0.376 -0.155 2.270 1 19 B 15 B 68 -0.778 B_G15:C68_B 37 -6.818 -0.165 0.104 -0.250 -1.074 1 19 B 16 B 67 6.095 B_G16:C67_B 38 -12.359 -0.319 -0.229 -0.184 -7.440 2 21 B 7 B 11 169.572 B_A7:U11_B 39 -0.318 0.171 -0.016 1.018 21.224 B 8 B 65 -137.517 B_G8:U65_B 40 -7.184 -0.981 -0.060 -6.349 24.169 1 19 B 9 B 66 10.403 B_C9:G66_B 41 -3.230 0.264 -0.368 -0.047 -21.502 B 46 B 43 -55.397 B_A46:G43_B 42 -4.119 -8.019 0.438 -5.296 -4.836 1 19 B 47 B 42 -3.647 B_G47:C42_B 43 -1.715 -0.254 -0.079 -0.331 2.736 1 20 B 48 B 41 1.341 B_U48:A41_B 44 -3.136 -0.052 0.055 -0.315 -3.524 1 19 B 58 B 40 -0.356 B_G58:C40_B 45 -11.257 -0.190 0.302 -0.369 5.321 1 20 B 59 B 39 -0.117 B_U59:A39_B 46 -5.783 -0.011 -0.450 -0.140 -10.979 1 19 B 21 B 38 2.867 B_G21:C38_B 47 -10.226 -0.281 0.280 -0.083 4.907 1 19 B 23 B 37 4.020 B_G23:C37_B 48 -5.486 -0.299 0.208 -0.161 6.393 1 20 B 24 B 36 1.367 B_A24:U36_B 49 -3.879 0.061 -0.072 -0.156 -12.277 1 19 B 25 B 35 -2.475 B_C25:G35_B 50 -6.566 0.198 0.228 -0.294 -17.036 1 19 B 26 B 34 -0.723 B_G26:C34_B 51 -10.129 -0.078 -0.168 -0.074 11.805 4 24 B 27 B 31 -88.346 B_U27:A31_B 52 15.737 4.184 0.455 -2.441 27.468 9 11 B 28 B 55 7.694 B_G28:A55_B 53 25.446 6.603 0.863 -4.064 25.671 B 49 B 63 -22.214 B_A49:A63_B 54 -7.464 -2.457 0.063 1.903 21.499 1 B 50 B 62 15.609 B_A50:G62_B 55 -22.998 -0.978 -0.137 2.519 -1.055 1 19 B 51 B 61 0.691 B_G51:C61_B 56 -11.089 0.079 0.415 -0.173 -12.166 1 19 B 52 B 60 1.851 B_G52:C60_B 57 -13.624 -0.156 -0.036 -0.260 -2.316 4 24 B 53 B 57 -87.275 B_U53:A57_B 58 1.800 4.354 -0.879 -2.642 2.912 36.575 A A 1 2 11.042 A A 75 74 3.143 6.877 -0.507 -1.184 AA_G1G2:C74C75_AA 1 -4.139 6.646 35.713 -2.774 0.274 3.169 33.951 A A 2 3 6.071 A A 74 73 3.300 3.538 0.195 -1.180 AA_G2U3:A73C74_AA 2 1.158 -1.987 33.752 -2.582 -0.150 2.115 36.750 A A 3 4 27.351 A A 73 72 3.118 16.612 0.623 -1.670 AA_U3A4:U72A73_AA 3 4.482 -7.379 32.597 -4.580 -0.467 4.772 -17.589 A A 4 12 -40.821 A A 72 71 2.642 10.898 2.066 -3.456 AA_A4A12:C71U72_AA 4 -8.354 -31.293 -11.018 2.102 -0.295 3.394 49.645 A A 12 13 5.166 A A 71 70 3.543 4.330 0.026 -1.601 AA_A12G13:C70C71_AA 5 -2.813 3.356 49.392 -2.246 -0.251 3.090 36.299 A A 13 14 8.377 A A 70 69 3.319 5.199 -0.021 -1.368 AA_G13U14:A69C70_AA 6 2.306 -3.716 35.865 -2.913 0.351 2.108 29.984 A A 14 15 24.094 A A 69 68 3.043 12.119 0.280 -1.687 AA_U14G15:C68A69_AA 7 -1.465 2.912 27.439 -5.319 -0.791 3.082 29.037 A A 15 16 3.761 A A 68 67 3.160 1.880 0.861 -2.319 AA_G15G16:C67C68_AA 8 3.275 -6.549 28.796 -5.022 -1.026 2.849 -159.388 A A 7 8 0.293 A A 11 65 2.856 -0.576 -0.927 0.011 AA_A7G8:U65U11_AA 9 -5.276 -2.681 -159.366 -0.004 -0.483 3.096 53.888 A A 46 47 5.794 A A 43 42 3.121 5.242 3.709 -1.747 AA_A46G47:C42G43_AA 10 2.323 -2.568 53.604 -2.237 -3.956 2.700 31.531 A A 47 48 7.113 A A 42 41 2.968 3.856 0.501 -2.067 AA_G47U48:A41C42_AA 11 -0.022 0.040 31.300 -4.428 -0.925 2.038 23.225 A A 48 58 26.418 A A 41 40 3.331 10.177 1.587 -2.834 AA_U48G58:C40A41_AA 12 5.392 -13.997 20.203 -10.129 -2.304 2.448 35.243 A A 58 59 14.480 A A 40 39 2.871 8.682 -1.060 -1.515 AA_G58U59:A39C40_AA 13 -0.760 1.268 34.182 -3.567 1.657 3.510 38.748 A A 59 21 5.982 A A 39 38 3.656 3.955 -0.703 -1.844 AA_U59G21:C38A39_AA 14 -4.117 6.226 38.341 -3.313 0.505 1.537 19.041 A A 21 23 23.462 A A 38 37 2.710 7.479 -0.975 -2.829 AA_G21G23:C37C38_AA 15 -4.427 13.887 16.958 -11.199 1.380 2.805 33.982 A A 23 24 8.108 A A 37 36 3.053 4.723 -0.236 -1.676 AA_G23A24:U36C37_AA 16 -1.057 1.814 33.645 -3.548 0.251 2.935 35.512 A A 24 25 8.206 A A 36 35 3.190 4.978 0.469 -1.900 AA_A24C25:G35U36_AA 17 4.226 -6.967 34.925 -3.802 -0.185 2.349 40.975 A A 25 26 27.871 A A 35 34 3.594 18.537 0.548 -1.977 AA_C25G26:C34G35_AA 18 12.292 -18.482 34.632 -4.836 0.551 3.115 75.526 A A 26 27 0.609 A A 34 31 2.929 0.745 -2.355 -1.052 AA_G26U27:A31C34_AA 19 -7.747 6.333 75.183 -0.879 1.706 1.906 -6.209 A A 27 28 25.168 A A 31 55 2.651 -2.617 1.423 -0.297 AA_U27G28:A55A31_AA 20 1.331 12.803 -5.471 12.158 17.929 3.147 39.193 A A 49 50 5.948 A A 63 62 3.332 3.969 0.019 -1.333 AA_A49A50:G62A63_AA 21 -5.979 8.960 38.556 -2.461 -0.742 1.832 34.689 A A 50 51 26.203 A A 62 61 3.168 15.016 -0.234 -2.401 AA_A50G51:C61G62_AA 22 -7.160 12.495 30.548 -5.908 -0.504 3.066 39.023 A A 51 52 10.560 A A 61 60 3.348 6.979 0.686 -1.741 AA_G51G52:C60C61_AA 23 7.334 -11.097 37.736 -3.447 -0.143 2.974 84.752 A A 52 53 -0.481 A A 60 57 3.096 -0.647 -1.487 -1.423 AA_G52U53:A57C60_AA 24 8.432 -6.262 84.409 -1.042 1.285 3.163 34.642 B B 1 2 11.580 B B 75 74 3.476 6.846 -0.268 -1.347 BB_G1G2:C74C75_BB 25 -2.701 4.568 33.875 -3.343 0.023 2.861 35.512 B B 2 3 10.620 B B 74 73 3.125 6.435 -0.055 -1.182 BB_G2U3:A73C74_BB 26 -3.270 5.397 34.794 -2.808 -0.351 2.392 35.203 B B 3 4 17.750 B B 73 72 2.852 10.572 0.405 -1.218 BB_U3A4:U72A73_BB 27 2.246 -3.770 33.553 -3.307 -0.394 4.882 -16.833 B B 4 12 -48.607 B B 72 71 3.010 12.592 1.849 -3.687 BB_A4A12:C71U72_BB 28 -1.282 -4.947 -11.120 0.497 5.085 3.455 49.942 B B 12 13 6.406 B B 71 70 3.599 5.388 0.049 -0.974 BB_A12G13:C70C71_BB 29 -5.876 6.986 49.341 -1.579 -0.522 2.853 36.617 B B 13 14 11.611 B B 70 69 3.196 7.247 -0.323 -1.395 BB_G13U14:A69C70_BB 30 1.629 -2.610 35.881 -3.151 0.724 2.447 29.316 B B 14 15 18.760 B B 69 68 3.180 9.325 0.367 -1.708 BB_U14G15:C68A69_BB 31 -2.461 4.952 27.717 -5.156 -1.195 2.602 29.927 B B 15 16 16.188 B B 68 67 3.252 8.235 0.915 -2.282 BB_G15G16:C67C68_BB 32 3.683 -7.240 28.564 -5.981 -1.072 2.971 -158.455 B B 7 8 2.375 B B 11 65 2.972 -4.666 -1.058 0.221 BB_A7G8:U65U11_BB 33 -1.520 -0.773 -158.435 -0.101 -0.542 3.027 53.803 B B 46 47 4.801 B B 43 42 3.022 4.339 4.131 -1.832 BB_A46G47:C42G43_BB 34 2.148 -2.377 53.601 -2.274 -4.441 2.668 32.525 B B 47 48 9.990 B B 42 41 3.023 5.569 0.360 -1.893 BB_G47U48:A41C42_BB 35 0.268 -0.480 32.056 -4.232 -0.601 1.909 22.234 B B 48 58 22.683 B B 41 40 3.273 8.528 1.561 -2.910 BB_U48G58:C40A41_BB 36 -0.209 0.556 20.551 -10.195 -4.113 2.435 34.348 B B 58 59 7.820 B B 40 39 2.887 4.585 -0.935 -1.867 BB_G58U59:A39C40_BB 37 5.611 -9.569 33.597 -3.751 2.306 3.190 37.663 B B 59 21 10.042 B B 39 38 3.537 6.413 -0.566 -2.072 BB_U59G21:C38A39_BB 38 -7.435 11.642 36.405 -4.081 -0.134 1.315 22.383 B B 21 23 25.838 B B 38 37 2.730 9.703 -0.704 -2.627 BB_G21G23:C37C38_BB 39 0.732 -1.949 20.182 -9.115 1.991 2.956 33.017 B B 23 24 11.222 B B 37 36 3.297 6.322 -0.328 -1.596 BB_G23A24:U36C37_BB 40 -4.365 7.747 32.135 -3.847 -0.140 3.075 38.398 B B 24 25 14.042 B B 36 35 3.570 9.150 0.076 -1.740 BB_A24C25:G35U36_BB 41 1.644 -2.523 37.296 -3.822 0.096 2.793 34.952 B B 25 26 12.393 B B 35 34 3.257 7.289 0.530 -2.022 BB_C25G26:C34G35_BB 42 10.122 -17.210 32.716 -4.421 0.582 2.850 77.668 B B 26 27 1.896 B B 34 31 2.875 2.377 -1.935 -0.844 BB_G26U27:A31C34_BB 43 0.097 -0.078 77.637 -0.732 1.545 2.775 -12.625 B B 27 28 -42.031 B B 31 55 2.872 8.413 1.286 -0.744 BB_U27G28:A55A31_BB 44 -1.661 -8.296 -9.274 -6.459 3.905 2.804 38.259 B B 49 50 6.560 B B 63 62 3.053 4.287 0.882 -1.452 BB_A49A50:G62A63_BB 45 -2.991 4.577 37.913 -2.700 -1.683 2.816 39.317 B B 50 51 20.839 B B 62 61 3.472 13.552 -0.867 -1.653 BB_A50G51:C61G62_BB 46 -11.415 17.553 35.239 -4.098 -0.094 3.001 38.815 B B 51 52 10.694 B B 61 60 3.353 7.018 0.665 -2.090 BB_G51G52:C60C61_BB 47 8.336 -12.702 37.311 -3.995 0.009 2.938 85.492 B B 52 53 -3.443 B B 60 57 3.002 -4.667 -1.344 -1.231 BB_G52U53:A57C60_BB 48 8.339 -6.151 85.058 -0.810 1.163 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 A1DMV A1DMV SUBJECT OF INVESTIGATION A1DMV ethynyl-N-CH2-cyclopropylpropiolamide-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 A1DMV 101 OCT octahedron octahedral C CO1 A1DMV 6 regular Expected A CO1 A1DMV 101 OCT octahedral octahedral C CO1 A1DMV 6 regular Expected B CO1 A1DMV 101 OCT octahedron octahedral P CO1 A1DMV 6 regular Expected B CO1 A1DMV 101 OCT octahedral octahedral P CO1 A1DMV 6 regular A CO1 A1DMV 101 @OCT{Co,C,N,N,N,N,N} 1 MetalCoord B CO1 A1DMV 101 @OCT{Co,C,N,N,N,N,N} 2 MetalCoord A C1L A1DMV 101 C x,y,z A N21 A1DMV 101 C x,y,z A NB3 A1DMV 101 C x,y,z A N23 A1DMV 101 C x,y,z A N22 A1DMV 101 C x,y,z A N24 A1DMV 101 C x,y,z B C1L A1DMV 101 P x,y,z B N21 A1DMV 101 P x,y,z B NB3 A1DMV 101 P x,y,z B N23 A1DMV 101 P x,y,z B N22 A1DMV 101 P x,y,z B N24 A1DMV 101 P x,y,z RES 101 2 A1DMV A1DMV 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 A1DMV A1DMV 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 51 7 HOH HOH 201 A HOH 34 7 HOH HOH 202 A HOH 18 7 HOH HOH 203 A HOH 17 7 HOH HOH 204 A HOH 2 7 HOH HOH 205 A HOH 66 7 HOH HOH 206 A HOH 64 7 HOH HOH 207 A HOH 7 7 HOH HOH 208 A HOH 59 7 HOH HOH 209 A HOH 32 7 HOH HOH 210 A HOH 3 7 HOH HOH 211 A HOH 6 7 HOH HOH 212 A HOH 14 7 HOH HOH 213 A HOH 42 7 HOH HOH 214 A HOH 63 7 HOH HOH 215 A HOH 41 7 HOH HOH 216 A HOH 44 7 HOH HOH 217 A HOH 13 7 HOH HOH 218 A HOH 37 7 HOH HOH 219 A HOH 52 7 HOH HOH 220 A HOH 39 7 HOH HOH 221 A HOH 11 7 HOH HOH 222 A HOH 61 7 HOH HOH 223 A HOH 10 7 HOH HOH 224 A HOH 62 7 HOH HOH 225 A HOH 24 7 HOH HOH 226 A HOH 36 7 HOH HOH 227 A HOH 49 7 HOH HOH 228 A HOH 20 7 HOH HOH 229 A HOH 65 7 HOH HOH 230 A HOH 67 7 HOH HOH 231 A HOH 30 7 HOH HOH 232 A HOH 27 7 HOH HOH 233 A HOH 9 7 HOH HOH 234 A HOH 53 7 HOH HOH 235 A HOH 74 7 HOH HOH 201 B HOH 16 7 HOH HOH 202 B HOH 48 7 HOH HOH 203 B HOH 45 7 HOH HOH 204 B HOH 75 7 HOH HOH 205 B HOH 43 7 HOH HOH 206 B HOH 70 7 HOH HOH 207 B HOH 54 7 HOH HOH 208 B HOH 22 7 HOH HOH 209 B HOH 21 7 HOH HOH 210 B HOH 56 7 HOH HOH 211 B HOH 26 7 HOH HOH 212 B HOH 57 7 HOH HOH 213 B HOH 19 7 HOH HOH 214 B HOH 12 7 HOH HOH 215 B HOH 50 7 HOH HOH 216 B HOH 23 7 HOH HOH 217 B HOH 47 7 HOH HOH 218 B HOH 29 7 HOH HOH 219 B HOH 40 7 HOH HOH 220 B HOH 8 7 HOH HOH 221 B HOH 25 7 HOH HOH 222 B HOH 73 7 HOH HOH 223 B HOH 71 7 HOH HOH 224 B HOH 4 7 HOH HOH 225 B HOH 28 7 HOH HOH 226 B HOH 5 7 HOH HOH 227 B HOH 31 7 HOH HOH 228 B HOH 15 7 HOH HOH 229 B HOH 1 7 HOH HOH 230 B HOH 35 7 HOH HOH 231 B HOH 58 7 HOH HOH 232 B HOH 55 7 HOH HOH 233 B HOH 33 7 HOH HOH 234 B HOH 46 7 HOH HOH 235 B HOH 68 7 HOH HOH 236 B HOH 69 7 HOH HOH 237 B HOH 60 7 HOH HOH 238 B HOH 72 7 HOH HOH 239 B HOH 38 7 HOH HOH 240 B 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 76.0 A A 5 A OP1 A 5 1_555 A MG 112 N MG MG 1_555 A HOH 205 BA O HOH 1_555 73.5 A A 5 A O3' A 5 1_555 A MG 112 N MG MG 1_555 A HOH 205 BA O HOH 1_555 91.9 A A 5 A OP1 A 5 1_555 A MG 112 N MG MG 1_555 A HOH 223 BA O HOH 1_555 121.3 A A 5 A O3' A 5 1_555 A MG 112 N MG MG 1_555 A HOH 223 BA O HOH 1_555 157.6 A HOH 205 BA O HOH 1_555 A MG 112 N MG MG 1_555 A HOH 223 BA O HOH 1_555 106.3 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 63.6 A U 11 A OP1 U 11 1_555 A MG 105 G MG MG 1_555 A HOH 210 BA O HOH 1_555 66.0 A A 12 A OP2 A 12 1_555 A MG 105 G MG MG 1_555 A HOH 210 BA O HOH 1_555 63.9 A G 21 A O6 G 21 1_555 A MG 107 I MG MG 1_555 A HOH 201 BA O HOH 1_555 50.1 A G 21 A O6 G 21 1_555 A MG 107 I MG MG 1_555 A HOH 211 BA O HOH 1_555 57.7 A HOH 201 BA O HOH 1_555 A MG 107 I MG MG 1_555 A HOH 211 BA O HOH 1_555 58.3 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 87.3 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 73.3 A A 64 A O2' A 64 1_555 A K 113 O K K 1_555 A A1DMV 101 C O51 A1DMV 1_555 114.0 A G 66 A O6 G 66 1_555 A K 113 O K K 1_555 A A1DMV 101 C O51 A1DMV 1_555 98.9 A HOH 228 BA O HOH 1_555 A MG 110 L MG MG 1_555 A HOH 231 BA O HOH 1_555 58.2 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 71.7 B U 11 B OP1 U 11 1_555 B MG 104 S MG MG 1_555 B HOH 236 CA O HOH 1_555 83.2 B A 12 B OP2 A 12 1_555 B MG 104 S MG MG 1_555 B HOH 236 CA O HOH 1_555 78.8 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 74.3 B A 49 B OP1 A 49 1_555 B MG 111 Z MG MG 1_555 B HOH 201 CA O HOH 1_555 72.3 B G 58 B OP2 G 58 1_555 B MG 111 Z MG MG 1_555 B HOH 201 CA O HOH 1_555 63.8 B A 49 B OP1 A 49 1_555 B MG 111 Z MG MG 1_555 B HOH 205 CA O HOH 1_555 65.7 B G 58 B OP2 G 58 1_555 B MG 111 Z MG MG 1_555 B HOH 205 CA O HOH 1_555 103.7 B HOH 201 CA O HOH 1_555 B MG 111 Z MG MG 1_555 B HOH 205 CA O HOH 1_555 138.0 B A 49 B OP1 A 49 1_555 B MG 111 Z MG MG 1_555 B HOH 223 CA O HOH 1_555 104.2 B G 58 B OP2 G 58 1_555 B MG 111 Z MG MG 1_555 B HOH 223 CA O HOH 1_555 65.1 B HOH 201 CA O HOH 1_555 B MG 111 Z MG MG 1_555 B HOH 223 CA O HOH 1_555 127.6 B HOH 205 CA O HOH 1_555 B MG 111 Z MG MG 1_555 B HOH 223 CA O HOH 1_555 66.0 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 68.9 B A 64 B O2' A 64 1_555 B K 112 AA K K 1_555 B A1DMV 101 P O51 A1DMV 1_555 128.4 B G 66 B O6 G 66 1_555 B K 112 AA K K 1_555 B A1DMV 101 P O51 A1DMV 1_555 92.1 B A 64 B O2' A 64 1_555 B K 112 AA K K 1_555 B HOH 235 CA O HOH 1_555 146.0 B G 66 B O6 G 66 1_555 B K 112 AA K K 1_555 B HOH 235 CA O HOH 1_555 82.8 B A1DMV 101 P O51 A1DMV 1_555 B K 112 AA K K 1_555 B HOH 235 CA O HOH 1_555 69.0 B HOH 210 CA O HOH 1_555 B MG 109 X MG MG 1_555 B HOH 234 CA O HOH 1_555 60.2 B HOH 210 CA O HOH 1_555 B MG 109 X MG MG 1_555 B HOH 237 CA O HOH 1_555 73.5 B HOH 234 CA O HOH 1_555 B MG 109 X MG MG 1_555 B HOH 237 CA O HOH 1_555 74.4 B HOH 207 CA O HOH 1_555 B MG 110 Y MG MG 1_555 B HOH 224 CA O HOH 1_555 95.0 B HOH 207 CA O HOH 1_555 B MG 110 Y MG MG 1_555 B HOH 239 CA O HOH 1_555 77.4 B HOH 224 CA O HOH 1_555 B MG 110 Y MG MG 1_555 B HOH 239 CA O HOH 1_555 120.7 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 O6 O G HOH 21 201 2.02 1 A A OP2 O U HOH 56 202 2.04 1 A A O O HOH HOH 228 231 2.06 1 B B O O HOH HOH 210 234 2.13 1 B B OP2 O G HOH 58 201 2.17 1 2.70 0.40 106.40 109.10 A A A C8 N9 C4 G G G 2 2 2 N 1 2.48 0.40 105.80 108.28 A A A N9 C4 C5 A A A 5 5 5 N 1 -5.43 0.60 118.60 113.17 A A A N1 C6 N6 A A A 5 5 5 N 1 -4.44 0.70 122.20 117.76 A A A N3 C2 O2 U U U 11 11 11 N 1 9.69 1.50 119.60 129.29 A A A OP1 P OP2 A A A 12 12 12 N 1 2.74 0.40 110.80 113.54 A A A C4 C5 N7 G G G 17 17 17 N 1 -3.29 0.50 104.30 101.01 A A A C5 N7 C8 G G G 17 17 17 N 1 2.71 0.40 105.80 108.51 A A A C8 N9 C4 A A A 18 18 18 N 1 -2.85 0.40 105.80 102.95 A A A N9 C4 C5 A A A 18 18 18 N 1 5.80 0.60 118.60 124.40 A A A N1 C6 N6 A A A 18 18 18 N 1 -4.82 0.80 123.70 118.88 A A A C5 C6 N6 A A A 18 18 18 N 1 -3.21 0.50 129.30 126.09 A A A N1 C2 N3 A A A 20 20 20 N 1 -3.06 0.40 110.80 107.74 A A A C4 C5 N7 G G G 21 21 21 N 1 9.31 1.50 119.60 128.91 A A A OP1 P OP2 C C C 34 34 34 N 1 2.93 0.40 120.30 123.23 A A A C6 N1 C2 C C C 42 42 42 N 1 2.47 0.40 110.80 113.27 A A A C4 C5 N7 G G G 43 43 43 N 1 -10.72 1.50 119.60 108.88 A A A OP1 P OP2 A A A 44 44 44 N 1 3.81 0.60 118.60 122.41 A A A N1 C6 N6 A A A 44 44 44 N 1 -3.15 0.50 103.90 100.75 A A A C5 N7 C8 A A A 45 45 45 N 1 -4.60 0.70 132.30 127.70 A A A C6 C5 N7 A A A 45 45 45 N 1 3.72 0.60 118.60 122.32 A A A N1 C6 N6 A A A 45 45 45 N 1 3.08 0.50 128.60 131.68 A A A N3 C4 C5 G G G 47 47 47 N 1 2.87 0.40 110.80 113.67 A A A C4 C5 N7 G G G 47 47 47 N 1 2.72 0.40 106.40 109.12 A A A C8 N9 C4 G G G 47 47 47 N 1 -3.46 0.40 105.40 101.94 A A A N9 C4 C5 G G G 47 47 47 N 1 5.40 0.60 119.90 125.30 A A A N1 C6 O6 G G G 47 47 47 N 1 -3.89 0.60 128.60 124.71 A A A C5 C6 O6 G G G 47 47 47 N 1 -5.51 0.60 118.60 113.09 A A A N1 C6 N6 A A A 50 50 50 N 1 5.71 0.80 123.70 129.41 A A A C5 C6 N6 A A A 50 50 50 N 1 -6.05 0.90 105.70 99.65 A A A O5' P OP1 C C C 54 54 54 N 1 -4.17 0.40 120.30 116.13 A A A C6 N1 C2 C C C 54 54 54 N 1 3.28 0.50 121.00 124.28 A A A C5 C6 N1 C C C 54 54 54 N 1 3.61 0.60 118.90 122.51 A A A N1 C2 O2 C C C 54 54 54 N 1 -4.28 0.70 121.90 117.62 A A A N3 C2 O2 C C C 54 54 54 N 1 8.64 1.10 118.80 127.44 A A A C2 N1 C1' C C C 54 54 54 N 1 2.77 0.40 105.40 108.17 A A A N9 C4 C5 G G G 62 62 62 N 1 -3.84 0.60 126.00 122.16 A A A N3 C4 N9 G G G 62 62 62 N 1 4.55 0.60 118.60 123.15 A A A N1 C6 N6 A A A 64 64 64 N 1 -5.01 0.80 123.70 118.69 A A A C5 C6 N6 A A A 64 64 64 N 1 4.27 0.70 122.20 126.47 A A A N3 C2 O2 U U U 65 65 65 N 1 -6.68 0.90 105.70 99.02 A A A O5' P OP1 G G G 66 66 66 N 1 6.37 0.70 108.50 114.87 A A A O4' C1' N9 G G G 66 66 66 N 1 2.43 0.40 121.90 124.33 A A A N3 C4 C5 C C C 68 68 68 N 1 3.58 0.50 129.30 132.88 A A A N1 C2 N3 A A A 76 76 76 N 1 -5.54 0.70 122.80 117.26 B B B N1 C2 O2 U U U 3 3 3 N 1 4.82 0.70 122.20 127.02 B B B N3 C2 O2 U U U 3 3 3 N 1 -3.84 0.60 118.60 114.76 B B B N1 C6 N6 A A A 5 5 5 N 1 -4.51 0.70 122.20 117.69 B B B N3 C2 O2 U U U 11 11 11 N 1 -6.61 0.90 105.70 99.09 B B B O5' P OP1 G G G 17 17 17 N 1 4.77 0.70 108.50 113.27 B B B O4' C1' N9 G G G 21 21 21 N 1 -2.56 0.40 106.40 103.84 B B B C8 N9 C4 G G G 21 21 21 N 1 -5.61 0.90 105.70 100.09 B B B O5' P OP1 G G G 52 52 52 N 1 -2.63 0.40 120.30 117.67 B B B C6 N1 C2 C C C 54 54 54 N 1 4.97 0.60 118.90 123.87 B B B N1 C2 O2 C C C 54 54 54 N 1 8.17 1.10 118.80 126.97 B B B C2 N1 C1' C C C 54 54 54 N 1 -3.43 0.50 111.50 108.07 B B B C5 C6 N1 G G G 58 58 58 N 1 -4.06 0.60 119.70 115.64 B B B C4 C5 C6 U U U 59 59 59 N 1 -3.91 0.60 125.90 121.99 B B B C5 C4 O4 U U U 59 59 59 N 1 -8.64 1.40 115.20 106.56 B B B C5' C4' C3' G G G 66 66 66 N 1 A A N9 C4 A A 63 63 -0.037 0.006 1.374 1.337 N 0.2563 0.1884 0.1953 2.78 19.87 1122 11302 9.93 89.73 0.37 1 FREE R-VALUE 1.34 MOLECULAR REPLACEMENT 29.36 0.90 1.11 ML FLAT BULK SOLVENT MODEL 2.78 19.87 75 3584 247 3262 0 0.010 3904 1.822 6100 17.433 1944 0.072 790 0.012 170 0.3957 0.3016 2.91 118 1017 72.00 0.3265 0.2541 3.06 139 1128 82.00 0.3223 0.2122 3.25 127 1257 90.00 0.2756 0.1907 3.50 135 1333 93.00 0.2404 0.1781 3.85 152 1350 96.00 0.2427 0.1597 4.40 153 1371 96.00 0.1953 0.1491 5.53 153 1349 96.00 0.2228 0.1882 19.87 145 1375 94.00 2.78 20.00 37CP 11326 0.083 0.134 1 8.1 1.9 90.1 0.204 2.80 2.90 916 0.930 0.982 0.173 0.269 0.552 1 1.5 72.7 0.183 2.90 3.02 974 0.951 0.987 0.153 0.240 0.640 1 1.6 79.8 0.135 3.02 3.15 1129 0.970 0.992 0.110 0.175 0.747 1 1.6 87.8 0.121 3.15 3.32 1104 0.974 0.993 0.096 0.155 0.837 1 1.8 89.8 0.117 3.32 3.52 1163 0.979 0.995 0.096 0.153 0.910 1 1.8 93.6 0.132 3.52 3.79 1204 0.964 0.991 0.107 0.171 1.086 1 2.0 96.1 0.119 3.79 4.17 1206 0.973 0.993 0.095 0.153 1.055 1 2.1 96.2 0.102 4.17 4.77 1211 0.976 0.994 0.081 0.131 1.170 1 2.1 96.5 0.082 4.77 5.98 1218 0.983 0.996 0.064 0.105 1.031 1 2.1 95.6 0.059 5.98 20.00 1201 0.991 0.998 0.048 0.076 1.184 1 2.0 93.1 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-CH2-cyclopropylpropiolamide-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 7 N N metalc 1.939 A A 5 A OP1 A 5 1_555 A MG 112 N MG MG 1_555 metalc 2.648 A A 5 A O3' A 5 1_555 A MG 112 N MG MG 1_555 metalc 2.353 A U 11 A OP1 U 11 1_555 A MG 105 G MG MG 1_555 metalc 2.721 A A 12 A OP2 A 12 1_555 A MG 105 G MG MG 1_555 metalc 2.606 A G 21 A O6 G 21 1_555 A MG 107 I MG MG 1_555 metalc 2.463 A U 32 A OP2 U 32 1_555 A MG 108 J MG MG 1_555 metalc 2.550 A A 49 A OP1 A 49 1_555 A MG 111 M MG MG 1_555 metalc 2.131 A G 58 A OP2 G 58 1_555 A MG 111 M MG MG 1_555 metalc 3.064 A A 64 A O2' A 64 1_555 A K 113 O K K 1_555 metalc 2.878 A G 66 A O6 G 66 1_555 A K 113 O K K 1_555 metalc 3.015 A A1DMV 101 C O51 A1DMV 1_555 A K 113 O K K 1_555 metalc 2.563 A MG 104 F MG MG 1_555 A HOH 206 BA O HOH 1_555 metalc 2.162 A MG 105 G MG MG 1_555 A HOH 210 BA O HOH 1_555 metalc 1.928 A MG 107 I MG MG 1_555 A HOH 201 BA O HOH 1_555 metalc 2.609 A MG 107 I MG MG 1_555 A HOH 211 BA O HOH 1_555 metalc 2.191 A MG 109 K MG MG 1_555 A HOH 230 BA O HOH 1_555 metalc 2.325 A MG 110 L MG MG 1_555 A HOH 228 BA O HOH 1_555 metalc 1.786 A MG 110 L MG MG 1_555 A HOH 231 BA O HOH 1_555 metalc 1.972 A MG 112 N MG MG 1_555 A HOH 205 BA O HOH 1_555 metalc 1.790 A MG 112 N MG MG 1_555 A HOH 223 BA O HOH 1_555 metalc 2.625 B A 5 B OP1 A 5 1_555 B MG 105 T MG MG 1_555 metalc 2.159 B U 11 B OP1 U 11 1_555 B MG 104 S MG MG 1_555 metalc 2.607 B A 12 B OP2 A 12 1_555 B MG 104 S MG MG 1_555 metalc 2.500 B G 21 B O6 G 21 1_555 B MG 107 V MG MG 1_555 metalc 2.299 B U 32 B OP2 U 32 1_555 B MG 108 W MG MG 1_555 metalc 2.515 B A 49 B OP1 A 49 1_555 B MG 111 Z MG MG 1_555 metalc 2.189 B G 58 B OP2 G 58 1_555 B MG 111 Z MG MG 1_555 metalc 3.046 B A 64 B O2' A 64 1_555 B K 112 AA K K 1_555 metalc 3.156 B G 66 B O6 G 66 1_555 B K 112 AA K K 1_555 metalc 2.885 B A1DMV 101 P O51 A1DMV 1_555 B K 112 AA K K 1_555 metalc 2.626 B MG 104 S MG MG 1_555 B HOH 236 CA O HOH 1_555 metalc 1.861 B MG 109 X MG MG 1_555 B HOH 210 CA O HOH 1_555 metalc 2.318 B MG 109 X MG MG 1_555 B HOH 234 CA O HOH 1_555 metalc 2.816 B MG 109 X MG MG 1_555 B HOH 237 CA O HOH 1_555 metalc 2.677 B MG 110 Y MG MG 1_555 B HOH 207 CA O HOH 1_555 metalc 1.897 B MG 110 Y MG MG 1_555 B HOH 224 CA O HOH 1_555 metalc 2.051 B MG 110 Y MG MG 1_555 B HOH 239 CA O HOH 1_555 metalc 1.890 B MG 111 Z MG MG 1_555 B HOH 201 CA O HOH 1_555 metalc 2.122 B MG 111 Z MG MG 1_555 B HOH 205 CA O HOH 1_555 metalc 2.940 B MG 111 Z MG MG 1_555 B HOH 223 CA O HOH 1_555 metalc 2.686 B K 112 AA K K 1_555 B HOH 235 CA O HOH 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 A-G MISPAIR B A 50 B N1 A 50 1_555 B G 62 B N2 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 37CP PDB 1 1 37CP 1 76 37CP 1 76 37CP A 1 1 76 1 76 37CP 1 76 37CP B 1 1 76 4 P 1 21 1