1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Johannsen, S. Boehme, D. Duepre, N. Mueller, J. Sigel, R.K.O. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic C8 H13 N2 O6 P 264.172 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1H-imidazole DNA linking C10 H14 N5 O6 P 331.222 y 2'-DEOXYADENOSINE-5'-MONOPHOSPHATE DNA linking C10 H15 N2 O8 P 322.208 y THYMIDINE-5'-MONOPHOSPHATE DNA linking Y 1 N C Y 2 N C Y 3 N C Y 4 N N N 5 N P N 6 N O N 7 N O N 8 N O N 9 N C N 10 R C N 11 N O N 12 R C Y 13 N N N 14 N C N 15 S C N 16 N O N 17 N H N 18 N H N 19 N H N 20 N H N 21 N H N 22 N H N 23 N H N 24 N H N 25 N H N 26 N H N 27 N H N 28 N H N 29 N O N 30 N H N 31 N O N 32 N P N 33 N O N 34 N O N 35 N O N 36 N C N 37 R C N 38 N O N 39 S C N 40 N O N 41 N C N 42 R C Y 43 N N Y 44 N C Y 45 N N Y 46 N C Y 47 N C N 48 N N Y 49 N N Y 50 N C Y 51 N N Y 52 N C N 53 N H N 54 N H N 55 N H N 56 N H N 57 N H N 58 N H 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 O N 68 N P N 69 N O N 70 N O N 71 N O N 72 N C N 73 R C N 74 N O N 75 S C N 76 N O N 77 N C N 78 R C N 79 N N N 80 N C N 81 N O N 82 N N N 83 N C N 84 N O N 85 N C N 86 N C N 87 N C N 88 N H N 89 N H N 90 N H N 91 N H N 92 N H N 93 N H 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 1 N sing Y 2 N doub Y 3 N doub Y 4 N sing Y 5 N sing N 6 N sing N 7 N sing N 8 N doub 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 Y 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 N 25 N sing N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N sing N 34 N doub N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing 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 Y 55 N sing Y 56 N sing Y 57 N doub N 58 N sing Y 59 N sing Y 60 N sing Y 61 N doub N 62 N sing Y 63 N doub N 64 N sing N 65 N sing Y 66 N sing Y 67 N doub N 68 N sing Y 69 N sing N 70 N sing N 71 N sing N 72 N doub N 73 N sing N 74 N sing N 75 N sing N 76 N sing N 77 N sing 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 sing N 87 N sing N 88 N sing 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 doub N 100 N sing N 101 N sing N 102 N doub N 103 N sing N 104 N sing N 105 N sing N 106 N sing To be Published 0353 Solution structure at different pHs of a DNA hairpin containing artificial nucleotides 10.2210/pdb2k69/pdb pdb_00002k69 DID_DNA_17-mer 5015.311 DNA (5'-D(*DTP*DTP*DAP*DAP*DTP*DTP*DTP*(D33)P*(D33)P*(D33)P*DAP*DAP*DAP*DTP*DTP*DAP*DA)-3') 1 syn polymer no yes (DT)(DT)(DA)(DA)(DT)(DT)(DT)(D33)(D33)(D33)(DA)(DA)(DA)(DT)(DT)(DA)(DA) TTAATTTNNNAAATTAA A polydeoxyribonucleotide n n n n n n n n n n n n n n n n n -15.500 1 20 A 1 A 17 8.663 A_DT1:DA17_A 1 -16.350 -0.160 0.365 -0.130 -1.810 1 20 A 2 A 16 -3.633 A_DT2:DA16_A 2 -11.231 0.146 0.504 -0.283 3.355 1 20 A 3 A 15 -2.346 A_DA3:DT15_A 3 -11.559 0.552 0.310 -0.174 2.690 1 20 A 4 A 14 -1.621 A_DA4:DT14_A 4 -12.249 0.438 0.356 -0.090 -2.593 1 20 A 5 A 13 0.017 A_DT5:DA13_A 5 -10.903 -0.242 0.458 -0.163 -3.226 1 20 A 6 A 12 0.615 A_DT6:DA12_A 6 -10.929 0.034 0.244 -0.169 2.102 1 20 A 7 A 11 12.379 A_DT7:DA11_A 7 -13.328 0.961 -0.489 -0.394 2.833 36.233 A A 1 2 -6.987 A A 17 16 2.880 -4.332 -0.263 0.335 AA_DT1DT2:DA16DA17_AA 1 -2.538 4.093 35.895 1.072 0.110 2.998 35.258 A A 2 3 5.509 A A 16 15 3.011 3.328 0.276 -0.142 AA_DT2DA3:DT15DA16_AA 2 3.018 -4.996 34.980 -0.689 -0.042 3.546 31.135 A A 3 4 4.431 A A 15 14 3.557 2.375 -0.092 0.137 AA_DA3DA4:DT14DT15_AA 3 1.867 -3.483 30.992 -0.239 0.560 4.060 31.738 A A 4 5 -2.853 A A 14 13 4.057 -1.559 -0.364 -0.034 AA_DA4DT5:DA13DT14_AA 4 -0.531 0.971 31.696 0.293 0.544 3.264 33.021 A A 5 6 26.136 A A 13 12 3.502 14.380 0.256 0.249 AA_DT5DT6:DA12DA13_AA 5 -1.112 2.022 29.783 -2.223 -0.656 2.863 35.917 A A 6 7 37.863 A A 12 11 2.984 21.764 0.598 0.703 AA_DT6DT7:DA11DA12_AA 6 4.087 -7.110 28.457 -1.990 -0.382 database_2 pdbx_nmr_software pdbx_nmr_spectrometer pdbx_struct_assembly pdbx_struct_oper_list struct_conn struct_site chem_comp_atom chem_comp_bond repository Initial release Version format compliance Data collection Database references Derived calculations Data collection 1 0 2009-07-07 1 1 2011-07-13 1 2 2022-03-16 1 3 2024-05-29 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _pdbx_nmr_spectrometer.model _struct_conn.pdbx_leaving_atom_flag _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id NMR solution structure of modified DNA containing imidazole nucleosides at neutral pH NMR solution structure of modified DNA containing imidazole nucleosides at acidic pH BMRB Y RCSB 2008-07-04 REL REL 411 164 28 11 208 structures with the lowest energy 200 20 2D 1H-1H NOESY 2D 1H-1H TOCSY 2D 1H-13C HSQC 2D 1H-1H NOESY 0.5 mM 120 mM 0.5 mM 120 mM 120mM 10.2 ambient 298 K 120mM 10.2 ambient 278 K torsion angle dynamics, simulated annealing 1 lowest energy 0.5 mM DID DNA 17-mer, 120 mM sodium perchlorate, 100% D2O 100% D2O 0.5 mM DID DNA 17-mer, 120 mM sodium perchlorate, 90% H2O/10% D2O 90% H2O/10% D2O Bruker Biospin processing TopSpin 1.3, 2.0, 2.1 Goddard chemical shift assignment Sparky 3.1 Goddard data analysis Sparky 3.1 Goddard peak picking Sparky 3.1 Guntert, Braun and Wuthrich structure solution DYANA 1.5 Schwieters, Kuszewski, Tjandra and Clore refinement X-PLOR NIH 2.15 700 Bruker AVANCE Bruker Avance T 1 n 1 DT 1 A T 2 n 2 DT 2 A A 3 n 3 DA 3 A A 4 n 4 DA 4 A T 5 n 5 DT 5 A T 6 n 6 DT 6 A T 7 n 7 DT 7 A D33 8 n 8 D33 8 A D33 9 n 9 D33 9 A D33 10 n 10 D33 10 A A 11 n 11 DA 11 A A 12 n 12 DA 12 A A 13 n 13 DA 13 A T 14 n 14 DT 14 A T 15 n 15 DT 15 A A 16 n 16 DA 16 A A 17 n 17 DA 17 A author_defined_assembly 1 monomeric 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 H4' O5' D33 D33 8 9 1.51 2 A A H4' O5' D33 D33 8 9 1.52 2 A A H3 N1 DT DA 1 17 1.60 3 A A H4' O5' D33 D33 8 9 1.54 5 A A H4' O5' D33 D33 8 9 1.51 8 A A H4' O5' D33 DA 10 11 1.55 20 A A H4' O5' D33 D33 8 9 1.59 8 A DT 7 0.064 SIDE CHAIN 9 A DT 7 0.081 SIDE CHAIN 10 A DT 7 0.074 SIDE CHAIN 11 A DT 7 0.076 SIDE CHAIN 12 A DT 7 0.091 SIDE CHAIN 13 A DT 7 0.087 SIDE CHAIN 14 A DT 7 0.078 SIDE CHAIN 15 A DT 7 0.084 SIDE CHAIN 16 A DT 7 0.069 SIDE CHAIN 17 A DT 7 0.086 SIDE CHAIN 18 A DT 7 0.080 SIDE CHAIN 19 A DT 7 0.078 SIDE CHAIN 20 A DT 7 0.082 SIDE CHAIN 1 2.60 0.30 108.30 110.90 A A A O4' C1' N1 DT DT DT 1 1 1 N 1 2.32 0.30 108.30 110.62 A A A O4' C1' N1 DT DT DT 2 2 2 N 1 -3.62 0.60 122.90 119.28 A A A C6 C5 C7 DT DT DT 2 2 2 N 1 2.39 0.30 108.30 110.69 A A A O4' C1' N9 DA DA DA 3 3 3 N 1 2.45 0.30 108.30 110.75 A A A O4' C1' N9 DA DA DA 4 4 4 N 1 1.82 0.30 108.30 110.12 A A A O4' C1' N1 DT DT DT 5 5 5 N 1 3.13 0.30 108.30 111.43 A A A O4' C1' N1 DT DT DT 6 6 6 N 1 4.11 0.30 108.30 112.41 A A A O4' C1' N1 DT DT DT 7 7 7 N 1 -3.70 0.60 122.90 119.20 A A A C6 C5 C7 DT DT DT 7 7 7 N 1 2.54 0.30 108.30 110.84 A A A O4' C1' N9 DA DA DA 11 11 11 N 1 2.82 0.30 108.30 111.12 A A A O4' C1' N9 DA DA DA 12 12 12 N 1 2.34 0.30 108.30 110.64 A A A O4' C1' N9 DA DA DA 13 13 13 N 1 2.37 0.30 108.30 110.67 A A A O4' C1' N1 DT DT DT 14 14 14 N 1 -3.64 0.60 122.90 119.26 A A A C6 C5 C7 DT DT DT 14 14 14 N 1 2.60 0.30 108.30 110.90 A A A O4' C1' N1 DT DT DT 15 15 15 N 1 3.09 0.30 108.30 111.39 A A A O4' C1' N9 DA DA DA 16 16 16 N 1 2.70 0.30 108.30 111.00 A A A O4' C1' N9 DA DA DA 17 17 17 N 2 2.55 0.30 108.30 110.85 A A A O4' C1' N1 DT DT DT 1 1 1 N 2 -3.63 0.60 122.90 119.27 A A A C6 C5 C7 DT DT DT 1 1 1 N 2 3.03 0.30 108.30 111.33 A A A O4' C1' N1 DT DT DT 2 2 2 N 2 -3.71 0.60 122.90 119.19 A A A C6 C5 C7 DT DT DT 2 2 2 N 2 2.51 0.30 108.30 110.81 A A A O4' C1' N9 DA DA DA 3 3 3 N 2 2.26 0.30 108.30 110.56 A A A O4' C1' N9 DA DA DA 4 4 4 N 2 2.20 0.30 108.30 110.50 A A A O4' C1' N1 DT DT DT 5 5 5 N 2 3.00 0.30 108.30 111.30 A A A O4' C1' N1 DT DT DT 6 6 6 N 2 -3.79 0.60 122.90 119.11 A A A C6 C5 C7 DT DT DT 6 6 6 N 2 4.18 0.30 108.30 112.48 A A A O4' C1' N1 DT DT DT 7 7 7 N 2 2.24 0.30 108.30 110.54 A A A O4' C1' N9 DA DA DA 11 11 11 N 2 2.48 0.30 108.30 110.78 A A A O4' C1' N9 DA DA DA 12 12 12 N 2 1.88 0.30 108.30 110.18 A A A O4' C1' N9 DA DA DA 13 13 13 N 2 2.20 0.30 108.30 110.50 A A A O4' C1' N1 DT DT DT 14 14 14 N 2 -3.67 0.60 122.90 119.23 A A A C6 C5 C7 DT DT DT 14 14 14 N 2 2.93 0.30 108.30 111.23 A A A O4' C1' N1 DT DT DT 15 15 15 N 2 3.05 0.30 108.30 111.35 A A A O4' C1' N9 DA DA DA 16 16 16 N 2 2.16 0.30 108.30 110.46 A A A O4' C1' N9 DA DA DA 17 17 17 N 3 2.71 0.30 108.30 111.01 A A A O4' C1' N1 DT DT DT 1 1 1 N 3 2.47 0.30 108.30 110.77 A A A O4' C1' N1 DT DT DT 2 2 2 N 3 -3.61 0.60 122.90 119.29 A A A C6 C5 C7 DT DT DT 2 2 2 N 3 2.15 0.30 108.30 110.45 A A A O4' C1' N9 DA DA DA 3 3 3 N 3 2.14 0.30 108.30 110.44 A A A O4' C1' N9 DA DA DA 4 4 4 N 3 2.07 0.30 108.30 110.37 A A A O4' C1' N1 DT DT DT 5 5 5 N 3 3.34 0.30 108.30 111.64 A A A O4' C1' N1 DT DT DT 6 6 6 N 3 4.10 0.30 108.30 112.40 A A A O4' C1' N1 DT DT DT 7 7 7 N 3 -3.93 0.60 122.90 118.97 A A A C6 C5 C7 DT DT DT 7 7 7 N 3 2.43 0.30 108.30 110.73 A A A O4' C1' N9 DA DA DA 11 11 11 N 3 2.13 0.30 108.30 110.43 A A A O4' C1' N9 DA DA DA 12 12 12 N 3 2.54 0.30 108.30 110.84 A A A O4' C1' N9 DA DA DA 13 13 13 N 3 2.18 0.30 108.30 110.48 A A A O4' C1' N1 DT DT DT 14 14 14 N 3 3.01 0.30 108.30 111.31 A A A O4' C1' N1 DT DT DT 15 15 15 N 3 2.82 0.30 108.30 111.12 A A A O4' C1' N9 DA DA DA 16 16 16 N 3 2.54 0.30 108.30 110.84 A A A O4' C1' N9 DA DA DA 17 17 17 N 4 2.71 0.30 108.30 111.01 A A A O4' C1' N1 DT DT DT 1 1 1 N 4 2.56 0.30 108.30 110.86 A A A O4' C1' N1 DT DT DT 2 2 2 N 4 -3.79 0.60 122.90 119.11 A A A C6 C5 C7 DT DT DT 2 2 2 N 4 2.75 0.30 108.30 111.05 A A A O4' C1' N9 DA DA DA 3 3 3 N 4 2.19 0.30 108.30 110.49 A A A O4' C1' N9 DA DA DA 4 4 4 N 4 2.50 0.30 108.30 110.80 A A A O4' C1' N1 DT DT DT 5 5 5 N 4 3.34 0.30 108.30 111.64 A A A O4' C1' N1 DT DT DT 6 6 6 N 4 -3.65 0.60 122.90 119.25 A A A C6 C5 C7 DT DT DT 6 6 6 N 4 4.23 0.30 108.30 112.53 A A A O4' C1' N1 DT DT DT 7 7 7 N 4 -3.63 0.60 122.90 119.27 A A A C6 C5 C7 DT DT DT 7 7 7 N 4 2.33 0.30 108.30 110.63 A A A O4' C1' N9 DA DA DA 11 11 11 N 4 2.57 0.30 108.30 110.87 A A A O4' C1' N9 DA DA DA 12 12 12 N 4 1.91 0.30 108.30 110.21 A A A O4' C1' N9 DA DA DA 13 13 13 N 4 2.82 0.30 108.30 111.12 A A A O4' C1' N1 DT DT DT 14 14 14 N 4 3.14 0.30 108.30 111.44 A A A O4' C1' N1 DT DT DT 15 15 15 N 4 2.55 0.30 108.30 110.85 A A A O4' C1' N9 DA DA DA 16 16 16 N 4 2.29 0.30 108.30 110.59 A A A O4' C1' N9 DA DA DA 17 17 17 N 5 2.37 0.30 108.30 110.67 A A A O4' C1' N1 DT DT DT 1 1 1 N 5 -3.60 0.60 122.90 119.30 A A A C6 C5 C7 DT DT DT 1 1 1 N 5 2.31 0.30 108.30 110.61 A A A O4' C1' N1 DT DT DT 2 2 2 N 5 2.41 0.30 108.30 110.71 A A A O4' C1' N9 DA DA DA 3 3 3 N 5 1.94 0.30 108.30 110.24 A A A O4' C1' N9 DA DA DA 4 4 4 N 5 2.13 0.30 108.30 110.43 A A A O4' C1' N1 DT DT DT 5 5 5 N 5 3.24 0.30 108.30 111.54 A A A O4' C1' N1 DT DT DT 6 6 6 N 5 4.02 0.30 108.30 112.32 A A A O4' C1' N1 DT DT DT 7 7 7 N 5 2.27 0.30 108.30 110.57 A A A O4' C1' N9 DA DA DA 11 11 11 N 5 2.56 0.30 108.30 110.86 A A A O4' C1' N9 DA DA DA 12 12 12 N 5 2.17 0.30 108.30 110.47 A A A O4' C1' N9 DA DA DA 13 13 13 N 5 2.24 0.30 108.30 110.54 A A A O4' C1' N1 DT DT DT 14 14 14 N 5 -3.66 0.60 122.90 119.24 A A A C6 C5 C7 DT DT DT 14 14 14 N 5 2.86 0.30 108.30 111.16 A A A O4' C1' N1 DT DT DT 15 15 15 N 5 2.65 0.30 108.30 110.95 A A A O4' C1' N9 DA DA DA 16 16 16 N 5 2.94 0.30 108.30 111.24 A A A O4' C1' N9 DA DA DA 17 17 17 N 6 2.69 0.30 108.30 110.99 A A A O4' C1' N1 DT DT DT 1 1 1 N 6 2.79 0.30 108.30 111.09 A A A O4' C1' N1 DT DT DT 2 2 2 N 6 -3.70 0.60 122.90 119.20 A A A C6 C5 C7 DT DT DT 2 2 2 N 6 2.41 0.30 108.30 110.71 A A A O4' C1' N9 DA DA DA 3 3 3 N 6 -3.64 0.60 122.90 119.26 A A A C6 C5 C7 DT DT DT 5 5 5 N 6 3.15 0.30 108.30 111.45 A A A O4' C1' N1 DT DT DT 6 6 6 N 6 -3.71 0.60 122.90 119.19 A A A C6 C5 C7 DT DT DT 6 6 6 N 6 4.22 0.30 108.30 112.52 A A A O4' C1' N1 DT DT DT 7 7 7 N 6 2.12 0.30 108.30 110.42 A A A O4' C1' N9 DA DA DA 11 11 11 N 6 2.28 0.30 108.30 110.58 A A A O4' C1' N9 DA DA DA 12 12 12 N 6 2.45 0.30 108.30 110.75 A A A O4' C1' N9 DA DA DA 13 13 13 N 6 2.66 0.30 108.30 110.96 A A A O4' C1' N1 DT DT DT 15 15 15 N 6 2.54 0.30 108.30 110.84 A A A O4' C1' N9 DA DA DA 16 16 16 N 6 2.25 0.30 108.30 110.55 A A A O4' C1' N9 DA DA DA 17 17 17 N 7 2.41 0.30 108.30 110.71 A A A O4' C1' N1 DT DT DT 1 1 1 N 7 -3.61 0.60 122.90 119.29 A A A C6 C5 C7 DT DT DT 1 1 1 N 7 2.45 0.30 108.30 110.75 A A A O4' C1' N1 DT DT DT 2 2 2 N 7 2.71 0.30 108.30 111.01 A A A O4' C1' N9 DA DA DA 3 3 3 N 7 2.47 0.30 108.30 110.77 A A A O4' C1' N1 DT DT DT 5 5 5 N 7 3.64 0.30 108.30 111.94 A A A O4' C1' N1 DT DT DT 6 6 6 N 7 4.06 0.30 108.30 112.36 A A A O4' C1' N1 DT DT DT 7 7 7 N 7 -3.96 0.60 122.90 118.94 A A A C6 C5 C7 DT DT DT 7 7 7 N 7 2.07 0.30 108.30 110.37 A A A O4' C1' N9 DA DA DA 11 11 11 N 7 2.60 0.30 108.30 110.90 A A A O4' C1' N9 DA DA DA 12 12 12 N 7 2.21 0.30 108.30 110.51 A A A O4' C1' N9 DA DA DA 13 13 13 N 7 1.83 0.30 108.30 110.13 A A A O4' C1' N1 DT DT DT 14 14 14 N 7 2.86 0.30 108.30 111.16 A A A O4' C1' N1 DT DT DT 15 15 15 N 7 2.80 0.30 108.30 111.10 A A A O4' C1' N9 DA DA DA 16 16 16 N 7 2.59 0.30 108.30 110.89 A A A O4' C1' N9 DA DA DA 17 17 17 N 8 2.40 0.30 108.30 110.70 A A A O4' C1' N1 DT DT DT 1 1 1 N 8 2.82 0.30 108.30 111.12 A A A O4' C1' N1 DT DT DT 2 2 2 N 8 -3.82 0.60 122.90 119.08 A A A C6 C5 C7 DT DT DT 2 2 2 N 8 2.23 0.30 108.30 110.53 A A A O4' C1' N9 DA DA DA 3 3 3 N 8 2.24 0.30 108.30 110.54 A A A O4' C1' N9 DA DA DA 4 4 4 N 8 2.59 0.30 108.30 110.89 A A A O4' C1' N1 DT DT DT 5 5 5 N 8 2.88 0.30 108.30 111.18 A A A O4' C1' N1 DT DT DT 6 6 6 N 8 -4.31 0.60 122.90 118.59 A A A C6 C5 C7 DT DT DT 6 6 6 N 8 4.80 0.30 108.30 113.10 A A A O4' C1' N1 DT DT DT 7 7 7 N 8 -4.79 0.60 122.90 118.11 A A A C6 C5 C7 DT DT DT 7 7 7 N 8 1.96 0.30 108.30 110.26 A A A O4' C1' N9 DA DA DA 11 11 11 N 8 2.24 0.30 108.30 110.54 A A A O4' C1' N9 DA DA DA 12 12 12 N 8 1.88 0.30 108.30 110.18 A A A O4' C1' N9 DA DA DA 13 13 13 N 8 2.78 0.30 108.30 111.08 A A A O4' C1' N1 DT DT DT 14 14 14 N 8 3.22 0.30 108.30 111.52 A A A O4' C1' N1 DT DT DT 15 15 15 N 8 -3.83 0.60 122.90 119.07 A A A C6 C5 C7 DT DT DT 15 15 15 N 8 2.69 0.30 108.30 110.99 A A A O4' C1' N9 DA DA DA 16 16 16 N 8 2.60 0.30 108.30 110.90 A A A O4' C1' N9 DA DA DA 17 17 17 N 9 2.60 0.30 108.30 110.90 A A A O4' C1' N1 DT DT DT 1 1 1 N 9 2.68 0.30 108.30 110.98 A A A O4' C1' N1 DT DT DT 2 2 2 N 9 -3.82 0.60 122.90 119.08 A A A C6 C5 C7 DT DT DT 2 2 2 N 9 2.27 0.30 108.30 110.57 A A A O4' C1' N9 DA DA DA 3 3 3 N 9 1.91 0.30 108.30 110.21 A A A O4' C1' N9 DA DA DA 4 4 4 N 9 2.33 0.30 108.30 110.63 A A A O4' C1' N1 DT DT DT 5 5 5 N 9 2.39 0.30 108.30 110.69 A A A O4' C1' N1 DT DT DT 6 6 6 N 9 -3.70 0.60 122.90 119.20 A A A C6 C5 C7 DT DT DT 6 6 6 N 9 5.05 0.30 108.30 113.35 A A A O4' C1' N1 DT DT DT 7 7 7 N 9 -4.32 0.60 122.90 118.58 A A A C6 C5 C7 DT DT DT 7 7 7 N 9 2.28 0.30 108.30 110.58 A A A O4' C1' N9 DA DA DA 11 11 11 N 9 2.19 0.30 108.30 110.49 A A A O4' C1' N9 DA DA DA 12 12 12 N 9 2.00 0.30 108.30 110.30 A A A O4' C1' N9 DA DA DA 13 13 13 N 9 2.57 0.30 108.30 110.87 A A A O4' C1' N1 DT DT DT 14 14 14 N 9 2.50 0.30 108.30 110.80 A A A O4' C1' N1 DT DT DT 15 15 15 N 9 3.07 0.30 108.30 111.37 A A A O4' C1' N9 DA DA DA 16 16 16 N 9 2.54 0.30 108.30 110.84 A A A O4' C1' N9 DA DA DA 17 17 17 N 10 2.64 0.30 108.30 110.94 A A A O4' C1' N1 DT DT DT 1 1 1 N 10 2.33 0.30 108.30 110.63 A A A O4' C1' N1 DT DT DT 2 2 2 N 10 -3.66 0.60 122.90 119.24 A A A C6 C5 C7 DT DT DT 2 2 2 N 10 2.39 0.30 108.30 110.69 A A A O4' C1' N9 DA DA DA 3 3 3 N 10 1.84 0.30 108.30 110.14 A A A O4' C1' N9 DA DA DA 4 4 4 N 10 2.91 0.30 108.30 111.21 A A A O4' C1' N1 DT DT DT 6 6 6 N 10 5.08 0.30 108.30 113.38 A A A O4' C1' N1 DT DT DT 7 7 7 N 10 -4.01 0.60 122.90 118.89 A A A C6 C5 C7 DT DT DT 7 7 7 N 10 2.48 0.30 108.30 110.78 A A A O4' C1' N9 DA DA DA 11 11 11 N 10 2.13 0.30 108.30 110.43 A A A O4' C1' N9 DA DA DA 12 12 12 N 10 1.93 0.30 108.30 110.23 A A A O4' C1' N9 DA DA DA 13 13 13 N 10 2.67 0.30 108.30 110.97 A A A O4' C1' N1 DT DT DT 14 14 14 N 10 2.82 0.30 108.30 111.12 A A A O4' C1' N1 DT DT DT 15 15 15 N 10 -3.64 0.60 122.90 119.26 A A A C6 C5 C7 DT DT DT 15 15 15 N 10 3.02 0.30 108.30 111.32 A A A O4' C1' N9 DA DA DA 16 16 16 N 10 2.65 0.30 108.30 110.95 A A A O4' C1' N9 DA DA DA 17 17 17 N 11 2.68 0.30 108.30 110.98 A A A O4' C1' N1 DT DT DT 1 1 1 N 11 3.02 0.30 108.30 111.32 A A A O4' C1' N1 DT DT DT 2 2 2 N 11 -3.73 0.60 122.90 119.17 A A A C6 C5 C7 DT DT DT 2 2 2 N 11 2.48 0.30 108.30 110.78 A A A O4' C1' N9 DA DA DA 3 3 3 N 11 1.92 0.30 108.30 110.22 A A A O4' C1' N1 DT DT DT 5 5 5 N 11 -3.71 0.60 122.90 119.19 A A A C6 C5 C7 DT DT DT 5 5 5 N 11 3.02 0.30 108.30 111.32 A A A O4' C1' N1 DT DT DT 6 6 6 N 11 5.03 0.30 108.30 113.33 A A A O4' C1' N1 DT DT DT 7 7 7 N 11 -4.07 0.60 122.90 118.83 A A A C6 C5 C7 DT DT DT 7 7 7 N 11 2.47 0.30 108.30 110.77 A A A O4' C1' N9 DA DA DA 11 11 11 N 11 2.31 0.30 108.30 110.61 A A A O4' C1' N9 DA DA DA 12 12 12 N 11 1.83 0.30 108.30 110.13 A A A O4' C1' N9 DA DA DA 13 13 13 N 11 1.91 0.30 108.30 110.21 A A A O4' C1' N1 DT DT DT 14 14 14 N 11 2.85 0.30 108.30 111.15 A A A O4' C1' N1 DT DT DT 15 15 15 N 11 3.04 0.30 108.30 111.34 A A A O4' C1' N9 DA DA DA 16 16 16 N 11 2.38 0.30 108.30 110.68 A A A O4' C1' N9 DA DA DA 17 17 17 N 12 2.67 0.30 108.30 110.97 A A A O4' C1' N1 DT DT DT 1 1 1 N 12 2.48 0.30 108.30 110.78 A A A O4' C1' N1 DT DT DT 2 2 2 N 12 2.72 0.30 108.30 111.02 A A A O4' C1' N9 DA DA DA 3 3 3 N 12 1.92 0.30 108.30 110.22 A A A O4' C1' N9 DA DA DA 4 4 4 N 12 2.24 0.30 108.30 110.54 A A A O4' C1' N1 DT DT DT 5 5 5 N 12 2.83 0.30 108.30 111.13 A A A O4' C1' N1 DT DT DT 6 6 6 N 12 5.04 0.30 108.30 113.34 A A A O4' C1' N1 DT DT DT 7 7 7 N 12 -4.17 0.60 122.90 118.73 A A A C6 C5 C7 DT DT DT 7 7 7 N 12 2.46 0.30 108.30 110.76 A A A O4' C1' N9 DA DA DA 11 11 11 N 12 2.06 0.30 108.30 110.36 A A A O4' C1' N9 DA DA DA 12 12 12 N 12 2.21 0.30 108.30 110.51 A A A O4' C1' N9 DA DA DA 13 13 13 N 12 1.97 0.30 108.30 110.27 A A A O4' C1' N1 DT DT DT 14 14 14 N 12 2.84 0.30 108.30 111.14 A A A O4' C1' N1 DT DT DT 15 15 15 N 12 2.95 0.30 108.30 111.25 A A A O4' C1' N9 DA DA DA 16 16 16 N 12 2.29 0.30 108.30 110.59 A A A O4' C1' N9 DA DA DA 17 17 17 N 13 2.33 0.30 108.30 110.63 A A A O4' C1' N1 DT DT DT 1 1 1 N 13 -3.63 0.60 122.90 119.27 A A A C6 C5 C7 DT DT DT 1 1 1 N 13 2.70 0.30 108.30 111.00 A A A O4' C1' N1 DT DT DT 2 2 2 N 13 -3.79 0.60 122.90 119.11 A A A C6 C5 C7 DT DT DT 2 2 2 N 13 2.80 0.30 108.30 111.10 A A A O4' C1' N9 DA DA DA 3 3 3 N 13 2.04 0.30 108.30 110.34 A A A O4' C1' N9 DA DA DA 4 4 4 N 13 2.32 0.30 108.30 110.62 A A A O4' C1' N1 DT DT DT 5 5 5 N 13 2.62 0.30 108.30 110.92 A A A O4' C1' N1 DT DT DT 6 6 6 N 13 -3.65 0.60 122.90 119.25 A A A C6 C5 C7 DT DT DT 6 6 6 N 13 5.28 0.30 108.30 113.58 A A A O4' C1' N1 DT DT DT 7 7 7 N 13 -4.00 0.60 122.90 118.90 A A A C6 C5 C7 DT DT DT 7 7 7 N 13 2.31 0.30 108.30 110.61 A A A O4' C1' N9 DA DA DA 11 11 11 N 13 2.20 0.30 108.30 110.50 A A A O4' C1' N9 DA DA DA 12 12 12 N 13 2.20 0.30 108.30 110.50 A A A O4' C1' N9 DA DA DA 13 13 13 N 13 2.53 0.30 108.30 110.83 A A A O4' C1' N1 DT DT DT 14 14 14 N 13 -3.61 0.60 122.90 119.29 A A A C6 C5 C7 DT DT DT 14 14 14 N 13 2.78 0.30 108.30 111.08 A A A O4' C1' N1 DT DT DT 15 15 15 N 13 2.98 0.30 108.30 111.28 A A A O4' C1' N9 DA DA DA 16 16 16 N 13 2.54 0.30 108.30 110.84 A A A O4' C1' N9 DA DA DA 17 17 17 N 14 2.31 0.30 108.30 110.61 A A A O4' C1' N1 DT DT DT 1 1 1 N 14 2.50 0.30 108.30 110.80 A A A O4' C1' N1 DT DT DT 2 2 2 N 14 -3.73 0.60 122.90 119.17 A A A C6 C5 C7 DT DT DT 2 2 2 N 14 2.62 0.30 108.30 110.92 A A A O4' C1' N9 DA DA DA 3 3 3 N 14 2.33 0.30 108.30 110.63 A A A O4' C1' N9 DA DA DA 4 4 4 N 14 2.28 0.30 108.30 110.58 A A A O4' C1' N1 DT DT DT 5 5 5 N 14 2.47 0.30 108.30 110.77 A A A O4' C1' N1 DT DT DT 6 6 6 N 14 -3.83 0.60 122.90 119.07 A A A C6 C5 C7 DT DT DT 6 6 6 N 14 4.99 0.30 108.30 113.29 A A A O4' C1' N1 DT DT DT 7 7 7 N 14 -4.02 0.60 122.90 118.88 A A A C6 C5 C7 DT DT DT 7 7 7 N 14 2.54 0.30 108.30 110.84 A A A O4' C1' N9 DA DA DA 11 11 11 N 14 2.31 0.30 108.30 110.61 A A A O4' C1' N9 DA DA DA 13 13 13 N 14 2.36 0.30 108.30 110.66 A A A O4' C1' N1 DT DT DT 14 14 14 N 14 2.69 0.30 108.30 110.99 A A A O4' C1' N1 DT DT DT 15 15 15 N 14 2.75 0.30 108.30 111.05 A A A O4' C1' N9 DA DA DA 16 16 16 N 14 2.37 0.30 108.30 110.67 A A A O4' C1' N9 DA DA DA 17 17 17 N 15 2.42 0.30 108.30 110.72 A A A O4' C1' N1 DT DT DT 1 1 1 N 15 2.48 0.30 108.30 110.78 A A A O4' C1' N1 DT DT DT 2 2 2 N 15 2.44 0.30 108.30 110.74 A A A O4' C1' N9 DA DA DA 3 3 3 N 15 2.22 0.30 108.30 110.52 A A A O4' C1' N1 DT DT DT 5 5 5 N 15 2.69 0.30 108.30 110.99 A A A O4' C1' N1 DT DT DT 6 6 6 N 15 5.18 0.30 108.30 113.48 A A A O4' C1' N1 DT DT DT 7 7 7 N 15 -4.04 0.60 122.90 118.86 A A A C6 C5 C7 DT DT DT 7 7 7 N 15 2.34 0.30 108.30 110.64 A A A O4' C1' N9 DA DA DA 11 11 11 N 15 2.13 0.30 108.30 110.43 A A A O4' C1' N9 DA DA DA 12 12 12 N 15 2.12 0.30 108.30 110.42 A A A O4' C1' N9 DA DA DA 13 13 13 N 15 2.27 0.30 108.30 110.57 A A A O4' C1' N1 DT DT DT 14 14 14 N 15 3.08 0.30 108.30 111.38 A A A O4' C1' N1 DT DT DT 15 15 15 N 15 3.47 0.30 108.30 111.77 A A A O4' C1' N9 DA DA DA 16 16 16 N 15 2.76 0.30 108.30 111.06 A A A O4' C1' N9 DA DA DA 17 17 17 N 16 2.53 0.30 108.30 110.83 A A A O4' C1' N1 DT DT DT 1 1 1 N 16 2.98 0.30 108.30 111.28 A A A O4' C1' N1 DT DT DT 2 2 2 N 16 2.55 0.30 108.30 110.85 A A A O4' C1' N9 DA DA DA 3 3 3 N 16 2.11 0.30 108.30 110.41 A A A O4' C1' N9 DA DA DA 4 4 4 N 16 1.96 0.30 108.30 110.26 A A A O4' C1' N1 DT DT DT 5 5 5 N 16 2.91 0.30 108.30 111.21 A A A O4' C1' N1 DT DT DT 6 6 6 N 16 5.30 0.30 108.30 113.60 A A A O4' C1' N1 DT DT DT 7 7 7 N 16 -4.21 0.60 122.90 118.69 A A A C6 C5 C7 DT DT DT 7 7 7 N 16 2.41 0.30 108.30 110.71 A A A O4' C1' N9 DA DA DA 11 11 11 N 16 2.13 0.30 108.30 110.43 A A A O4' C1' N9 DA DA DA 12 12 12 N 16 1.98 0.30 108.30 110.28 A A A O4' C1' N9 DA DA DA 13 13 13 N 16 2.79 0.30 108.30 111.09 A A A O4' C1' N1 DT DT DT 15 15 15 N 16 2.63 0.30 108.30 110.93 A A A O4' C1' N9 DA DA DA 16 16 16 N 16 2.15 0.30 108.30 110.45 A A A O4' C1' N9 DA DA DA 17 17 17 N 17 2.42 0.30 108.30 110.72 A A A O4' C1' N1 DT DT DT 1 1 1 N 17 2.64 0.30 108.30 110.94 A A A O4' C1' N1 DT DT DT 2 2 2 N 17 -3.74 0.60 122.90 119.16 A A A C6 C5 C7 DT DT DT 2 2 2 N 17 2.01 0.30 108.30 110.31 A A A O4' C1' N9 DA DA DA 3 3 3 N 17 2.12 0.30 108.30 110.42 A A A O4' C1' N1 DT DT DT 5 5 5 N 17 2.56 0.30 108.30 110.86 A A A O4' C1' N1 DT DT DT 6 6 6 N 17 -3.65 0.60 122.90 119.25 A A A C6 C5 C7 DT DT DT 6 6 6 N 17 5.31 0.30 108.30 113.61 A A A O4' C1' N1 DT DT DT 7 7 7 N 17 -4.07 0.60 122.90 118.83 A A A C6 C5 C7 DT DT DT 7 7 7 N 17 2.55 0.30 108.30 110.85 A A A O4' C1' N9 DA DA DA 11 11 11 N 17 1.94 0.30 108.30 110.24 A A A O4' C1' N9 DA DA DA 12 12 12 N 17 1.96 0.30 108.30 110.26 A A A O4' C1' N9 DA DA DA 13 13 13 N 17 2.10 0.30 108.30 110.40 A A A O4' C1' N1 DT DT DT 14 14 14 N 17 -3.61 0.60 122.90 119.29 A A A C6 C5 C7 DT DT DT 14 14 14 N 17 2.93 0.30 108.30 111.23 A A A O4' C1' N1 DT DT DT 15 15 15 N 17 2.71 0.30 108.30 111.01 A A A O4' C1' N9 DA DA DA 16 16 16 N 17 2.79 0.30 108.30 111.09 A A A O4' C1' N9 DA DA DA 17 17 17 N 18 2.53 0.30 108.30 110.83 A A A O4' C1' N1 DT DT DT 1 1 1 N 18 2.60 0.30 108.30 110.90 A A A O4' C1' N1 DT DT DT 2 2 2 N 18 2.66 0.30 108.30 110.96 A A A O4' C1' N9 DA DA DA 3 3 3 N 18 1.87 0.30 108.30 110.17 A A A O4' C1' N9 DA DA DA 4 4 4 N 18 2.47 0.30 108.30 110.77 A A A O4' C1' N1 DT DT DT 5 5 5 N 18 2.78 0.30 108.30 111.08 A A A O4' C1' N1 DT DT DT 6 6 6 N 18 -3.67 0.60 122.90 119.23 A A A C6 C5 C7 DT DT DT 6 6 6 N 18 5.20 0.30 108.30 113.50 A A A O4' C1' N1 DT DT DT 7 7 7 N 18 -4.02 0.60 122.90 118.88 A A A C6 C5 C7 DT DT DT 7 7 7 N 18 2.34 0.30 108.30 110.64 A A A O4' C1' N9 DA DA DA 11 11 11 N 18 2.03 0.30 108.30 110.33 A A A O4' C1' N9 DA DA DA 12 12 12 N 18 2.24 0.30 108.30 110.54 A A A O4' C1' N9 DA DA DA 13 13 13 N 18 2.54 0.30 108.30 110.84 A A A O4' C1' N1 DT DT DT 14 14 14 N 18 2.56 0.30 108.30 110.86 A A A O4' C1' N1 DT DT DT 15 15 15 N 18 2.88 0.30 108.30 111.18 A A A O4' C1' N9 DA DA DA 16 16 16 N 18 2.79 0.30 108.30 111.09 A A A O4' C1' N9 DA DA DA 17 17 17 N 19 2.38 0.30 108.30 110.68 A A A O4' C1' N1 DT DT DT 1 1 1 N 19 -3.63 0.60 122.90 119.27 A A A C6 C5 C7 DT DT DT 1 1 1 N 19 2.72 0.30 108.30 111.02 A A A O4' C1' N1 DT DT DT 2 2 2 N 19 -3.62 0.60 122.90 119.28 A A A C6 C5 C7 DT DT DT 2 2 2 N 19 2.32 0.30 108.30 110.62 A A A O4' C1' N9 DA DA DA 3 3 3 N 19 2.11 0.30 108.30 110.41 A A A O4' C1' N9 DA DA DA 4 4 4 N 19 2.18 0.30 108.30 110.48 A A A O4' C1' N1 DT DT DT 5 5 5 N 19 3.13 0.30 108.30 111.43 A A A O4' C1' N1 DT DT DT 6 6 6 N 19 5.09 0.30 108.30 113.39 A A A O4' C1' N1 DT DT DT 7 7 7 N 19 -4.03 0.60 122.90 118.87 A A A C6 C5 C7 DT DT DT 7 7 7 N 19 2.56 0.30 108.30 110.86 A A A O4' C1' N9 DA DA DA 11 11 11 N 19 2.18 0.30 108.30 110.48 A A A O4' C1' N9 DA DA DA 12 12 12 N 19 2.53 0.30 108.30 110.83 A A A O4' C1' N9 DA DA DA 13 13 13 N 19 2.40 0.30 108.30 110.70 A A A O4' C1' N1 DT DT DT 14 14 14 N 19 2.86 0.30 108.30 111.16 A A A O4' C1' N1 DT DT DT 15 15 15 N 19 2.95 0.30 108.30 111.25 A A A O4' C1' N9 DA DA DA 16 16 16 N 19 2.45 0.30 108.30 110.75 A A A O4' C1' N9 DA DA DA 17 17 17 N 20 2.44 0.30 108.30 110.74 A A A O4' C1' N1 DT DT DT 1 1 1 N 20 2.89 0.30 108.30 111.19 A A A O4' C1' N1 DT DT DT 2 2 2 N 20 -3.77 0.60 122.90 119.13 A A A C6 C5 C7 DT DT DT 2 2 2 N 20 2.61 0.30 108.30 110.91 A A A O4' C1' N9 DA DA DA 3 3 3 N 20 1.98 0.30 108.30 110.28 A A A O4' C1' N9 DA DA DA 4 4 4 N 20 2.82 0.30 108.30 111.12 A A A O4' C1' N1 DT DT DT 5 5 5 N 20 2.79 0.30 108.30 111.09 A A A O4' C1' N1 DT DT DT 6 6 6 N 20 -3.77 0.60 122.90 119.13 A A A C6 C5 C7 DT DT DT 6 6 6 N 20 5.14 0.30 108.30 113.44 A A A O4' C1' N1 DT DT DT 7 7 7 N 20 -4.06 0.60 122.90 118.84 A A A C6 C5 C7 DT DT DT 7 7 7 N 20 2.53 0.30 108.30 110.83 A A A O4' C1' N9 DA DA DA 11 11 11 N 20 2.30 0.30 108.30 110.60 A A A O4' C1' N9 DA DA DA 12 12 12 N 20 2.17 0.30 108.30 110.47 A A A O4' C1' N9 DA DA DA 13 13 13 N 20 2.16 0.30 108.30 110.46 A A A O4' C1' N1 DT DT DT 14 14 14 N 20 2.69 0.30 108.30 110.99 A A A O4' C1' N1 DT DT DT 15 15 15 N 20 2.91 0.30 108.30 111.21 A A A O4' C1' N9 DA DA DA 16 16 16 N 20 2.55 0.30 108.30 110.85 A A A O4' C1' N9 DA DA DA 17 17 17 N NMR solution structure of modified DNA containing imidazole nucleosides at basic pH 1 N N covale 1.609 both A DT 7 A O3' DT 7 1_555 A D33 8 A P D33 8 1_555 covale 1.616 both A D33 8 A O3' D33 8 1_555 A D33 9 A P D33 9 1_555 covale 1.613 both A D33 9 A O3' D33 9 1_555 A D33 10 A P D33 10 1_555 covale 1.613 both A D33 10 A O3' D33 10 1_555 A DA 11 A P DA 11 1_555 hydrog DT-DA PAIR A DT 1 A O4 DT 1 1_555 A DA 16 A N6 DA 16 1_555 hydrog WATSON-CRICK A DT 1 A N3 DT 1 1_555 A DA 17 A N1 DA 17 1_555 hydrog WATSON-CRICK A DT 1 A O4 DT 1 1_555 A DA 17 A N6 DA 17 1_555 hydrog WATSON-CRICK A DT 2 A N3 DT 2 1_555 A DA 16 A N1 DA 16 1_555 hydrog WATSON-CRICK A DT 2 A O4 DT 2 1_555 A DA 16 A N6 DA 16 1_555 hydrog WATSON-CRICK A DA 3 A N1 DA 3 1_555 A DT 15 A N3 DT 15 1_555 hydrog WATSON-CRICK A DA 3 A N6 DA 3 1_555 A DT 15 A O4 DT 15 1_555 hydrog WATSON-CRICK A DA 4 A N1 DA 4 1_555 A DT 14 A N3 DT 14 1_555 hydrog WATSON-CRICK A DA 4 A N6 DA 4 1_555 A DT 14 A O4 DT 14 1_555 hydrog WATSON-CRICK A DT 5 A N3 DT 5 1_555 A DA 13 A N1 DA 13 1_555 hydrog WATSON-CRICK A DT 5 A O4 DT 5 1_555 A DA 13 A N6 DA 13 1_555 hydrog WATSON-CRICK A DT 6 A N3 DT 6 1_555 A DA 12 A N1 DA 12 1_555 hydrog WATSON-CRICK A DT 6 A O4 DT 6 1_555 A DA 12 A N6 DA 12 1_555 hydrog WATSON-CRICK A DT 7 A N3 DT 7 1_555 A DA 11 A N1 DA 11 1_555 hydrog WATSON-CRICK A DT 7 A O4 DT 7 1_555 A DA 11 A N6 DA 11 1_555 DNA DNA 17-mer, hairpin, artificial nucleobase, imidazole nucleoside, shifted pKa, DNA 2K69 PDB 1 2K69 TTAATTTXXXAAATTAA 1 17 2K69 1 17 2K69 A 1 1 17 BINDING SITE FOR RESIDUE D33 A 8 A D33 8 Software 1 BINDING SITE FOR RESIDUE D33 A 9 A D33 9 Software 3 BINDING SITE FOR RESIDUE D33 A 10 A D33 10 Software 3 A DT 7 A DT 7 1 1_555 A DT 6 A DT 6 3 1_555 A DT 7 A DT 7 3 1_555 A DA 11 A DA 11 3 1_555 A DT 6 A DT 6 3 1_555 A DT 7 A DT 7 3 1_555 A DA 11 A DA 11 3 1_555