0.016650 0.000000 0.009882 0.000000 0.034364 0.000000 0.000000 0.000000 0.022120 0.00000 0.00000 0.00000 Deng, J. Xiong, Y. Sudarsanakumar, C. Shi, K. Sundaralingam, M. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 120.69 90.00 60.060 29.100 52.570 C10 H14 N5 O7 P 347.221 y ADENOSINE-5'-MONOPHOSPHATE RNA linking C9 H14 N3 O8 P 323.197 y CYTIDINE-5'-MONOPHOSPHATE RNA linking C9 H13 Br N3 O7 P 386.093 n 5-BROMO-2'-DEOXY-CYTIDINE-5'-MONOPHOSPHATE DNA linking C10 H14 N5 O8 P 363.221 y GUANOSINE-5'-MONOPHOSPHATE RNA linking H2 O 18.015 WATER non-polymer Mg 2 24.305 MAGNESIUM ION non-polymer C10 H26 N4 202.340 SPERMINE 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 O N 39 N P N 40 N O N 41 N O N 42 N O N 43 N C N 44 R C N 45 N O N 46 S C N 47 N O N 48 R C N 49 N O N 50 R C N 51 N N N 52 N C N 53 N O N 54 N N N 55 N C N 56 N N N 57 N C N 58 N C N 59 N H N 60 N H N 61 N H N 62 N H N 63 N H N 64 N H N 65 N H N 66 N H N 67 N H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N BR N 74 N P N 75 N O N 76 N O N 77 N O N 78 N N N 79 N C N 80 N C N 81 N O N 82 N N N 83 N C N 84 N N N 85 N C N 86 N C N 87 N C N 88 R C N 89 N O N 90 R C N 91 S C N 92 N O N 93 N O N 94 N H N 95 N H N 96 N H N 97 N H N 98 N H N 99 N H N 100 N H N 101 N H N 102 N H N 103 N H N 104 N H N 105 N H N 106 N H N 107 N O N 108 N P N 109 N O N 110 N O N 111 N O N 112 N C N 113 R C N 114 N O N 115 S C N 116 N O N 117 R C N 118 N O N 119 R C Y 120 N N Y 121 N C Y 122 N N Y 123 N C N 124 N C N 125 N O N 126 N N N 127 N C N 128 N N N 129 N N Y 130 N C N 131 N H N 132 N H N 133 N H N 134 N H N 135 N H N 136 N H N 137 N H 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 O N 146 N H N 147 N H N 148 N MG N 149 N N N 150 N C N 151 N C N 152 N C N 153 N N N 154 N C N 155 N C N 156 N C N 157 N C N 158 N N N 159 N C N 160 N C N 161 N C N 162 N N 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 O N 190 N P N 191 N O N 192 N O N 193 N O N 194 N C N 195 R C N 196 N O N 197 S C N 198 N O N 199 R C N 200 N O N 201 R C N 202 N N N 203 N C N 204 N O N 205 N N N 206 N C N 207 N O N 208 N C N 209 N C 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 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 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 sing 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 doub N 67 N sing N 68 N doub N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N doub N 74 N sing N 75 N sing N 76 N sing N 77 N doub N 78 N sing N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 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 sing N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N sing 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 sing N 111 N sing N 112 N sing N 113 N doub 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 sing N 123 N sing N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N sing N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing Y 135 N sing Y 136 N sing Y 137 N doub N 138 N sing Y 139 N sing N 140 N sing Y 141 N doub N 142 N doub N 143 N sing N 144 N sing N 145 N sing N 146 N sing N 147 N doub N 148 N sing N 149 N sing N 150 N sing N 151 N sing 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 doub 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 doub N 219 N sing N 220 N sing N 221 N sing N 222 N doub N 223 N sing N 224 N doub N 225 N sing N 226 N sing UK RNA RNARFU 2122 1355-8382 7 1425 1431 11680847 Crystal structures of two forms of a 14-mer RNA/DNA chimer duplex with double UU bulges: a novel intramolecular U*(A x U) base triple. 2001 10.2210/pdb1fuf/pdb pdb_00001fuf 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100 1 CCD 2000-04-13 SINGLE WAVELENGTH M x-ray 1 0.9196 1.0 X4A NSLS 0.9196 SYNCHROTRON NSLS BEAMLINE X4A 4503.547 (5'-R(*GP*GP*UP*AP*UP*UP*UP*CP*GP*GP*UP*AP*(CBR)P*C)-3') 2 syn polymer 24.305 MAGNESIUM ION 1 syn non-polymer 202.340 SPERMINE 1 syn non-polymer 18.015 water 68 nat water no yes GGUAUUUCGGUA(CBR)C GGUAUUUCGGUACC A,B polyribonucleotide n n n n n n n n n n n n n n 1 2.22 44.70 VAPOR DIFFUSION, HANGING DROP 7.0 cacodylate, magnesium chloride, spermine tetrachloride, MPD, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 25.0K 298.0 CACODYLATE 1 MAGNESIUM CHLORIDE 1 SPERMINE TETRACHLORIDE 1 MPD 1 MPD 2 -4.843 1 19 A 1 B 28 0.861 A_G1:C28_B 1 -5.241 -0.457 0.068 -0.077 -2.698 1 19 A 2 B 27 0.511 A_G2:CBR27_B 2 -13.570 -0.203 -0.020 -0.280 1.414 1 20 A 3 B 26 3.410 A_U3:A26_B 3 -10.193 -0.098 -0.031 -0.049 -0.566 1 20 A 4 B 25 1.480 A_A4:U25_B 4 -15.383 -0.026 0.187 -0.154 6.636 28 A 5 B 24 -3.993 A_U5:G24_B 5 -6.927 2.369 0.183 -0.595 -1.063 1 19 A 8 B 23 2.477 A_C8:G23_B 6 0.217 0.189 -0.133 -0.091 0.376 1 19 A 9 B 22 2.889 A_G9:C22_B 7 -0.466 -0.229 -0.170 -0.133 -5.496 28 A 10 B 19 -1.746 A_G10:U19_B 8 -5.457 -2.349 0.300 -0.595 3.060 1 20 A 11 B 18 2.352 A_U11:A18_B 9 -14.330 0.100 0.118 -0.078 4.748 1 20 A 12 B 17 3.790 A_A12:U17_B 10 -10.378 0.055 0.171 -0.104 8.734 1 19 A 13 B 16 -0.887 A_CBR13:G16_B 11 -13.846 0.207 -0.114 -0.125 3.190 1 19 A 14 B 15 1.174 A_C14:G15_B 12 -5.984 0.442 -0.100 -0.091 2.906 34.106 A A 1 2 10.770 B B 28 27 3.220 6.281 -0.627 -1.572 AA_G1G2:CBR27C28_BB 1 -1.189 2.038 33.519 -3.622 0.891 3.030 31.133 A A 2 3 5.948 B B 27 26 3.178 3.185 0.794 -1.733 AA_G2U3:A26CBR27_BB 2 1.836 -3.428 30.921 -3.808 -1.145 2.632 30.857 A A 3 4 17.722 B B 26 25 3.231 9.284 -0.491 -1.627 AA_U3A4:U25A26_BB 3 -1.857 3.545 29.402 -4.717 0.591 2.856 39.801 A A 4 5 10.945 B B 25 24 3.105 7.410 -0.172 -1.091 AA_A4U5:G24U25_BB 4 0.720 -1.064 39.126 -2.392 0.329 2.486 42.500 A A 5 8 16.146 B B 24 23 3.062 11.569 -1.950 -1.932 AA_U5C8:G23G24_BB 5 -0.771 1.076 40.958 -3.680 2.623 3.036 21.209 A A 8 9 6.174 B B 23 22 3.339 2.268 -0.164 -2.676 AA_C8G9:C22G23_BB 6 0.137 -0.372 21.088 -8.189 0.502 2.516 41.771 A A 9 10 13.952 B B 22 19 2.998 9.861 2.138 -2.016 AA_G9G10:U19C22_BB 7 1.061 -1.501 40.628 -3.714 -2.904 2.718 39.890 A A 10 11 14.634 B B 19 18 3.010 9.887 -0.083 -0.866 AA_G10U11:A18U19_BB 8 -0.245 0.362 38.693 -2.285 0.097 2.465 32.940 A A 11 12 17.663 B B 18 17 3.076 9.867 0.238 -1.592 AA_U11A12:U17A18_BB 9 -1.343 2.404 31.439 -4.267 -0.618 2.899 30.637 A A 12 13 7.186 B B 17 16 3.137 3.787 -0.919 -1.965 AA_A12CBR13:G16U17_BB 10 -0.787 1.493 30.398 -4.411 1.596 3.091 33.655 A A 13 14 8.919 B B 16 15 3.409 5.144 0.614 -1.988 AA_CBR13C14:G15G16_BB 11 0.942 -1.634 33.258 -4.272 -0.907 exptl_crystal_grow chem_comp_atom chem_comp_bond database_2 pdbx_struct_conn_angle struct_conn struct_conn_type struct_site repository Initial release Version format compliance Version format compliance Experimental preparation Data collection Database references Derived calculations 1 0 2001-11-09 1 1 2008-04-27 1 2 2011-07-13 1 3 2018-01-31 1 4 2024-02-07 _exptl_crystal_grow.temp _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_asym_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_asym_id _pdbx_struct_conn_angle.ptnr3_auth_asym_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_asym_id _pdbx_struct_conn_angle.value _struct_conn.conn_type_id _struct_conn.id _struct_conn.pdbx_dist_value _struct_conn.pdbx_leaving_atom_flag _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn_type.id _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id NDB Y NDB 2000-09-15 REL REL MG MAGNESIUM ION SPM SPERMINE HOH water MG 97 2 MG MG 97 A SPM 98 3 SPM SPM 98 B HOH 30 4 HOH HOH 30 A HOH 31 4 HOH HOH 31 A HOH 34 4 HOH HOH 34 A HOH 35 4 HOH HOH 35 A HOH 36 4 HOH HOH 36 A HOH 38 4 HOH HOH 38 A HOH 39 4 HOH HOH 39 A HOH 40 4 HOH HOH 40 A HOH 43 4 HOH HOH 43 A HOH 44 4 HOH HOH 44 A HOH 48 4 HOH HOH 48 A HOH 50 4 HOH HOH 50 A HOH 53 4 HOH HOH 53 A HOH 54 4 HOH HOH 54 A HOH 56 4 HOH HOH 56 A HOH 57 4 HOH HOH 57 A HOH 58 4 HOH HOH 58 A HOH 62 4 HOH HOH 62 A HOH 63 4 HOH HOH 63 A HOH 64 4 HOH HOH 64 A HOH 65 4 HOH HOH 65 A HOH 66 4 HOH HOH 66 A HOH 67 4 HOH HOH 67 A HOH 69 4 HOH HOH 69 A HOH 70 4 HOH HOH 70 A HOH 71 4 HOH HOH 71 A HOH 72 4 HOH HOH 72 A HOH 73 4 HOH HOH 73 A HOH 74 4 HOH HOH 74 A HOH 78 4 HOH HOH 78 A HOH 79 4 HOH HOH 79 A HOH 80 4 HOH HOH 80 A HOH 84 4 HOH HOH 84 A HOH 86 4 HOH HOH 86 A HOH 88 4 HOH HOH 88 A HOH 92 4 HOH HOH 92 A HOH 93 4 HOH HOH 93 A HOH 96 4 HOH HOH 96 A HOH 29 4 HOH HOH 29 B HOH 32 4 HOH HOH 32 B HOH 33 4 HOH HOH 33 B HOH 37 4 HOH HOH 37 B HOH 41 4 HOH HOH 41 B HOH 42 4 HOH HOH 42 B HOH 45 4 HOH HOH 45 B HOH 46 4 HOH HOH 46 B HOH 47 4 HOH HOH 47 B HOH 49 4 HOH HOH 49 B HOH 51 4 HOH HOH 51 B HOH 52 4 HOH HOH 52 B HOH 55 4 HOH HOH 55 B HOH 59 4 HOH HOH 59 B HOH 60 4 HOH HOH 60 B HOH 61 4 HOH HOH 61 B HOH 68 4 HOH HOH 68 B HOH 75 4 HOH HOH 75 B HOH 76 4 HOH HOH 76 B HOH 77 4 HOH HOH 77 B HOH 81 4 HOH HOH 81 B HOH 82 4 HOH HOH 82 B HOH 83 4 HOH HOH 83 B HOH 85 4 HOH HOH 85 B HOH 87 4 HOH HOH 87 B HOH 89 4 HOH HOH 89 B HOH 90 4 HOH HOH 90 B HOH 91 4 HOH HOH 91 B HOH 94 4 HOH HOH 94 B HOH 95 4 HOH HOH 95 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 U 5 n 5 U 5 A U 6 n 6 U 6 A U 7 n 7 U 7 A C 8 n 8 C 8 A G 9 n 9 G 9 A G 10 n 10 G 10 A U 11 n 11 U 11 A A 12 n 12 A 12 A BRO 13 n 13 CBR 13 A C 14 n 14 C 14 A G 15 n 1 G 15 B G 16 n 2 G 16 B U 17 n 3 U 17 B A 18 n 4 A 18 B U 19 n 5 U 19 B U 20 n 6 U 20 B U 21 n 7 U 21 B C 22 n 8 C 22 B G 23 n 9 G 23 B G 24 n 10 G 24 B U 25 n 11 U 25 B A 26 n 12 A 26 B BRO 27 n 13 CBR 27 B C 28 n 14 C 28 B author_defined_assembly 2 dimeric A HOH 92 E O HOH 1_555 A MG 97 C MG MG 1_555 A HOH 93 E O HOH 1_555 78.1 A HOH 92 E O HOH 1_555 A MG 97 C MG MG 1_555 A HOH 96 E O HOH 1_555 95.3 A HOH 93 E O HOH 1_555 A MG 97 C MG MG 1_555 A HOH 96 E O HOH 1_555 99.6 A HOH 92 E O HOH 1_555 A MG 97 C MG MG 1_555 B HOH 94 F O HOH 1_555 171.5 A HOH 93 E O HOH 1_555 A MG 97 C MG MG 1_555 B HOH 94 F O HOH 1_555 109.7 A HOH 96 E O HOH 1_555 A MG 97 C MG MG 1_555 B HOH 94 F O HOH 1_555 80.3 A HOH 92 E O HOH 1_555 A MG 97 C MG MG 1_555 B HOH 95 F O HOH 1_555 89.3 A HOH 93 E O HOH 1_555 A MG 97 C MG MG 1_555 B HOH 95 F O HOH 1_555 164.7 A HOH 96 E O HOH 1_555 A MG 97 C MG MG 1_555 B HOH 95 F O HOH 1_555 90.2 B HOH 94 F O HOH 1_555 A MG 97 C MG MG 1_555 B HOH 95 F O HOH 1_555 83.4 A CBR 13 A CBR 13 DC B CBR 27 B CBR 13 DC 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 U 7 0.068 SIDE CHAIN 1 B U 20 0.074 SIDE CHAIN 1 14.18 1.60 113.70 127.88 A A A C2' C3' O3' U U U 7 7 7 N 1 -8.21 1.00 102.60 94.39 A A A C4' C3' C2' U U U 7 7 7 N 1 5.01 0.80 101.50 106.51 A A A C3' C2' C1' U U U 7 7 7 N 1 -9.42 1.00 105.80 96.38 A A A O4' C1' C2' U U U 7 7 7 N 1 -6.88 1.10 112.00 105.12 A A A N1 C1' C2' U U U 7 7 7 N 1 18.08 3.00 110.60 128.68 A A A C1' C2' O2' U U U 7 7 7 N 1 -17.65 2.90 113.30 95.65 A A A C3' C2' O2' U U U 7 7 7 N 0.227 0.199 1.7 10 906 8737 8549 97.8 RANDOM 1 2 1.7 10 68 669 17 584 0 0.00918 1.91 24.23 1.7 25 1FUF 8740 2 0.05 1 21.7 2 98.3 0.213 1.70 1.76 1546 88.5 data reduction DENZO data scaling SCALEPACK phasing MLPHARE refinement CNS CRYSTAL STRUCTURE OF A 14BP RNA OLIGONUCLEOTIDE CONTAINING DOUBLE UU BULGES: A NOVEL INTRAMOLECULAR U*(AU) BASE TRIPLE 1 N N 1 N N 2 N N 3 N N 4 N N 4 N N covale 1.612 both A A 12 A O3' A 12 1_555 A CBR 13 A P CBR 13 1_555 covale 1.605 both A CBR 13 A O3' CBR 13 1_555 A C 14 A P C 14 1_555 covale 1.608 both B A 26 B O3' A 12 1_555 B CBR 27 B P CBR 13 1_555 covale 1.597 both B CBR 27 B O3' CBR 13 1_555 B C 28 B P C 14 1_555 metalc 2.470 A HOH 92 E O HOH 1_555 A MG 97 C MG MG 1_555 metalc 1.901 A HOH 93 E O HOH 1_555 A MG 97 C MG MG 1_555 metalc 2.192 A HOH 96 E O HOH 1_555 A MG 97 C MG MG 1_555 metalc 2.059 A MG 97 C MG MG 1_555 B HOH 94 F O HOH 1_555 metalc 1.944 A MG 97 C MG MG 1_555 B HOH 95 F O HOH 1_555 hydrog WATSON-CRICK A G 1 A N1 G 1 1_555 B C 28 B N3 C 14 1_555 hydrog WATSON-CRICK A G 1 A N2 G 1 1_555 B C 28 B O2 C 14 1_555 hydrog WATSON-CRICK A G 1 A O6 G 1 1_555 B C 28 B N4 C 14 1_555 hydrog WATSON-CRICK A G 2 A N1 G 2 1_555 B CBR 27 B N3 CBR 13 1_555 hydrog WATSON-CRICK A G 2 A N2 G 2 1_555 B CBR 27 B O2 CBR 13 1_555 hydrog WATSON-CRICK A G 2 A O6 G 2 1_555 B CBR 27 B N4 CBR 13 1_555 hydrog WATSON-CRICK A U 3 A N3 U 3 1_555 B A 26 B N1 A 12 1_555 hydrog WATSON-CRICK A U 3 A O4 U 3 1_555 B A 26 B N6 A 12 1_555 hydrog REVERSED HOOGSTEEN A A 4 A N6 A 4 1_555 B U 20 B O2 U 6 1_555 hydrog REVERSED HOOGSTEEN A A 4 A N7 A 4 1_555 B U 20 B N3 U 6 1_555 hydrog WATSON-CRICK A A 4 A N1 A 4 1_555 B U 25 B N3 U 11 1_555 hydrog WATSON-CRICK A A 4 A N6 A 4 1_555 B U 25 B O4 U 11 1_555 hydrog TYPE_28_PAIR A U 5 A N3 U 5 1_555 B G 24 B O6 G 10 1_555 hydrog TYPE_28_PAIR A U 5 A O2 U 5 1_555 B G 24 B N1 G 10 1_555 hydrog REVERSED HOOGSTEEN A U 6 A N3 U 6 1_555 B A 18 B N7 A 4 1_555 hydrog REVERSED HOOGSTEEN A U 6 A O2 U 6 1_555 B A 18 B N6 A 4 1_555 hydrog WATSON-CRICK A C 8 A N3 C 8 1_555 B G 23 B N1 G 9 1_555 hydrog WATSON-CRICK A C 8 A N4 C 8 1_555 B G 23 B O6 G 9 1_555 hydrog WATSON-CRICK A C 8 A O2 C 8 1_555 B G 23 B N2 G 9 1_555 hydrog WATSON-CRICK A G 9 A N1 G 9 1_555 B C 22 B N3 C 8 1_555 hydrog WATSON-CRICK A G 9 A N2 G 9 1_555 B C 22 B O2 C 8 1_555 hydrog WATSON-CRICK A G 9 A O6 G 9 1_555 B C 22 B N4 C 8 1_555 hydrog TYPE_28_PAIR A G 10 A N1 G 10 1_555 B U 19 B O2 U 5 1_555 hydrog TYPE_28_PAIR A G 10 A O6 G 10 1_555 B U 19 B N3 U 5 1_555 hydrog WATSON-CRICK A U 11 A N3 U 11 1_555 B A 18 B N1 A 4 1_555 hydrog WATSON-CRICK A U 11 A O4 U 11 1_555 B A 18 B N6 A 4 1_555 hydrog WATSON-CRICK A A 12 A N1 A 12 1_555 B U 17 B N3 U 3 1_555 hydrog WATSON-CRICK A A 12 A N6 A 12 1_555 B U 17 B O4 U 3 1_555 hydrog WATSON-CRICK A CBR 13 A N3 CBR 13 1_555 B G 16 B N1 G 2 1_555 hydrog WATSON-CRICK A CBR 13 A N4 CBR 13 1_555 B G 16 B O6 G 2 1_555 hydrog WATSON-CRICK A CBR 13 A O2 CBR 13 1_555 B G 16 B N2 G 2 1_555 hydrog WATSON-CRICK A C 14 A N3 C 14 1_555 B G 15 B N1 G 1 1_555 hydrog WATSON-CRICK A C 14 A N4 C 14 1_555 B G 15 B O6 G 1 1_555 hydrog WATSON-CRICK A C 14 A O2 C 14 1_555 B G 15 B N2 G 1 1_555 RNA bulge, base triple, RNA, crystal 1FUF PDB 1 1FUF 1 14 1FUF 1 14 1FUF A 1 1 14 15 28 1FUF 15 28 1FUF B 1 1 14 BINDING SITE FOR RESIDUE MG A 97 A MG 97 Software 5 BINDING SITE FOR RESIDUE SPM B 98 B SPM 98 Software 16 A HOH 92 E HOH 5 1_555 A HOH 93 E HOH 5 1_555 A HOH 96 E HOH 5 1_555 B HOH 94 F HOH 5 1_555 B HOH 95 F HOH 5 1_555 A A 4 A A 4 16 1_555 A U 5 A U 5 16 1_555 A U 6 A U 6 16 1_555 A C 8 A C 8 16 1_555 A G 9 A G 9 16 1_555 A G 10 A G 10 16 1_555 A U 11 A U 11 16 1_555 B A 18 B A 4 16 1_555 B U 19 B U 5 16 1_555 B U 20 B U 6 16 1_555 B C 22 B C 8 16 1_555 B G 23 B G 9 16 1_555 B G 24 B G 10 16 1_555 B U 25 B U 11 16 1_555 B HOH 33 F HOH 16 1_555 B HOH 59 F HOH 16 1_555 5 C 1 2 1