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/pdb2k68/pdb pdb_00002k68 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 -7.459 1 20 A 1 A 17 9.745 A_DT1:DA17_A 1 -16.575 -0.096 0.085 -0.163 -3.733 1 20 A 2 A 16 -4.027 A_DT2:DA16_A 2 -11.549 0.534 0.302 -0.336 2.423 1 20 A 3 A 15 -2.636 A_DA3:DT15_A 3 -11.860 0.547 0.380 -0.087 4.326 1 20 A 4 A 14 -2.731 A_DA4:DT14_A 4 -9.260 0.308 0.526 -0.132 -4.941 1 20 A 5 A 13 -3.464 A_DT5:DA13_A 5 -10.836 0.108 0.618 -0.129 -3.876 1 20 A 6 A 12 -0.462 A_DT6:DA12_A 6 -10.608 -0.288 0.515 -0.163 -1.043 1 20 A 7 A 11 -1.698 A_DT7:DA11_A 7 -2.701 0.114 1.044 -0.513 3.409 37.337 A A 1 2 -14.498 A A 17 16 3.546 -9.182 -0.553 0.282 AA_DT1DT2:DA16DA17_AA 1 -3.102 4.898 36.101 1.753 0.420 2.984 32.503 A A 2 3 1.468 A A 16 15 3.045 0.819 -0.175 -0.297 AA_DT2DA3:DT15DA16_AA 2 4.577 -8.205 32.178 -0.663 1.054 3.053 32.691 A A 3 4 30.428 A A 15 14 3.294 16.389 -0.163 0.372 AA_DA3DA4:DT14DT15_AA 3 -0.114 0.211 28.384 -2.299 0.269 4.195 31.786 A A 4 5 16.748 A A 14 13 4.123 9.051 -0.126 0.838 AA_DA4DT5:DA13DT14_AA 4 -0.702 1.299 30.494 -0.623 0.063 3.377 32.320 A A 5 6 18.225 A A 13 12 3.488 9.973 0.329 0.120 AA_DT5DT6:DA12DA13_AA 5 3.022 -5.522 30.636 -1.689 -0.014 3.866 33.165 A A 6 7 5.625 A A 12 11 3.856 3.203 0.130 0.545 AA_DT6DT7:DA11DA12_AA 6 -2.810 4.936 32.897 0.317 -0.787 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 acidic pH NMR solution structure of modified DNA containing imidazole nucleosides at basic pH BMRB Y RCSB 2008-07-04 REL REL 28 354 147 20 12 185 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 120 mM 7.2 ambient 298 K 120 mM 7.2 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 2.36 0.30 108.30 110.66 A A A O4' C1' N1 DT DT DT 1 1 1 N 1 -3.68 0.60 122.90 119.22 A A A C6 C5 C7 DT DT DT 1 1 1 N 1 2.86 0.30 108.30 111.16 A A A O4' C1' N1 DT DT DT 2 2 2 N 1 -3.65 0.60 122.90 119.25 A A A C6 C5 C7 DT DT DT 2 2 2 N 1 2.02 0.30 108.30 110.32 A A A O4' C1' N9 DA DA DA 3 3 3 N 1 2.35 0.30 108.30 110.65 A A A O4' C1' N9 DA DA DA 4 4 4 N 1 2.16 0.30 108.30 110.46 A A A O4' C1' N1 DT DT DT 5 5 5 N 1 -3.64 0.60 122.90 119.26 A A A C6 C5 C7 DT DT DT 5 5 5 N 1 2.21 0.30 108.30 110.51 A A A O4' C1' N1 DT DT DT 6 6 6 N 1 2.48 0.30 108.30 110.78 A A A O4' C1' N1 DT DT DT 7 7 7 N 1 2.34 0.30 108.30 110.64 A A A O4' C1' N9 DA DA DA 11 11 11 N 1 2.09 0.30 108.30 110.39 A A A O4' C1' N9 DA DA DA 12 12 12 N 1 1.96 0.30 108.30 110.26 A A A O4' C1' N9 DA DA DA 13 13 13 N 1 2.07 0.30 108.30 110.37 A A A O4' C1' N1 DT DT DT 14 14 14 N 1 2.62 0.30 108.30 110.92 A A A O4' C1' N1 DT DT DT 15 15 15 N 1 2.94 0.30 108.30 111.24 A A A O4' C1' N9 DA DA DA 16 16 16 N 1 2.72 0.30 108.30 111.02 A A A O4' C1' N9 DA DA DA 17 17 17 N 2 2.40 0.30 108.30 110.70 A A A O4' C1' N1 DT DT DT 1 1 1 N 2 -3.75 0.60 122.90 119.15 A A A C6 C5 C7 DT DT DT 1 1 1 N 2 2.71 0.30 108.30 111.01 A A A O4' C1' N1 DT DT DT 2 2 2 N 2 -3.79 0.60 122.90 119.11 A A A C6 C5 C7 DT DT DT 2 2 2 N 2 2.00 0.30 108.30 110.30 A A A O4' C1' N9 DA DA DA 3 3 3 N 2 2.13 0.30 108.30 110.43 A A A O4' C1' N9 DA DA DA 4 4 4 N 2 1.82 0.30 108.30 110.12 A A A O4' C1' N1 DT DT DT 5 5 5 N 2 2.45 0.30 108.30 110.75 A A A O4' C1' N1 DT DT DT 6 6 6 N 2 2.49 0.30 108.30 110.79 A A A O4' C1' N1 DT DT DT 7 7 7 N 2 2.37 0.30 108.30 110.67 A A A O4' C1' N9 DA DA DA 11 11 11 N 2 2.07 0.30 108.30 110.37 A A A O4' C1' N9 DA DA DA 12 12 12 N 2 2.27 0.30 108.30 110.57 A A A O4' C1' N9 DA DA DA 13 13 13 N 2 1.90 0.30 108.30 110.20 A A A O4' C1' N1 DT DT DT 14 14 14 N 2 2.75 0.30 108.30 111.05 A A A O4' C1' N1 DT DT DT 15 15 15 N 2 2.05 0.30 108.30 110.35 A A A O4' C1' N9 DA DA DA 16 16 16 N 2 2.70 0.30 108.30 111.00 A A A O4' C1' N9 DA DA DA 17 17 17 N 3 2.28 0.30 108.30 110.58 A A A O4' C1' N1 DT DT DT 1 1 1 N 3 2.64 0.30 108.30 110.94 A A A O4' C1' N1 DT DT DT 2 2 2 N 3 -3.66 0.60 122.90 119.24 A A A C6 C5 C7 DT DT DT 2 2 2 N 3 2.14 0.30 108.30 110.44 A A A O4' C1' N9 DA DA DA 3 3 3 N 3 2.19 0.30 108.30 110.49 A A A O4' C1' N9 DA DA DA 4 4 4 N 3 2.34 0.30 108.30 110.64 A A A O4' C1' N1 DT DT DT 5 5 5 N 3 2.56 0.30 108.30 110.86 A A A O4' C1' N1 DT DT DT 6 6 6 N 3 2.53 0.30 108.30 110.83 A A A O4' C1' N1 DT DT DT 7 7 7 N 3 2.65 0.30 108.30 110.95 A A A O4' C1' N9 DA DA DA 11 11 11 N 3 2.31 0.30 108.30 110.61 A A A O4' C1' N9 DA DA DA 12 12 12 N 3 2.36 0.30 108.30 110.66 A A A O4' C1' N9 DA DA DA 13 13 13 N 3 2.16 0.30 108.30 110.46 A A A O4' C1' N1 DT DT DT 14 14 14 N 3 2.36 0.30 108.30 110.66 A A A O4' C1' N1 DT DT DT 15 15 15 N 3 2.64 0.30 108.30 110.94 A A A O4' C1' N9 DA DA DA 16 16 16 N 3 2.67 0.30 108.30 110.97 A A A O4' C1' N9 DA DA DA 17 17 17 N 4 2.45 0.30 108.30 110.75 A A A O4' C1' N1 DT DT DT 1 1 1 N 4 2.60 0.30 108.30 110.90 A A A O4' C1' N1 DT DT DT 2 2 2 N 4 1.95 0.30 108.30 110.25 A A A O4' C1' N9 DA DA DA 3 3 3 N 4 2.20 0.30 108.30 110.50 A A A O4' C1' N9 DA DA DA 4 4 4 N 4 2.49 0.30 108.30 110.79 A A A O4' C1' N1 DT DT DT 5 5 5 N 4 -3.60 0.60 122.90 119.30 A A A C6 C5 C7 DT DT DT 5 5 5 N 4 2.75 0.30 108.30 111.05 A A A O4' C1' N1 DT DT DT 6 6 6 N 4 2.78 0.30 108.30 111.08 A A A O4' C1' N1 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 2.27 0.30 108.30 110.57 A A A O4' C1' N9 DA DA DA 12 12 12 N 4 2.48 0.30 108.30 110.78 A A A O4' C1' N9 DA DA DA 13 13 13 N 4 2.42 0.30 108.30 110.72 A A A O4' C1' N1 DT DT DT 14 14 14 N 4 2.77 0.30 108.30 111.07 A A A O4' C1' N1 DT DT DT 15 15 15 N 4 2.38 0.30 108.30 110.68 A A A O4' C1' N9 DA DA DA 16 16 16 N 4 2.60 0.30 108.30 110.90 A A A O4' C1' N9 DA DA DA 17 17 17 N 5 2.39 0.30 108.30 110.69 A A A O4' C1' N1 DT DT DT 1 1 1 N 5 2.45 0.30 108.30 110.75 A A A O4' C1' N1 DT DT DT 2 2 2 N 5 2.11 0.30 108.30 110.41 A A A O4' C1' N9 DA DA DA 4 4 4 N 5 2.18 0.30 108.30 110.48 A A A O4' C1' N1 DT DT DT 5 5 5 N 5 2.79 0.30 108.30 111.09 A A A O4' C1' N1 DT DT DT 6 6 6 N 5 2.38 0.30 108.30 110.68 A A A O4' C1' N1 DT DT DT 7 7 7 N 5 2.45 0.30 108.30 110.75 A A A O4' C1' N9 DA DA DA 11 11 11 N 5 2.03 0.30 108.30 110.33 A A A O4' C1' N9 DA DA DA 12 12 12 N 5 2.24 0.30 108.30 110.54 A A A O4' C1' N9 DA DA DA 13 13 13 N 5 2.49 0.30 108.30 110.79 A A A O4' C1' N1 DT DT DT 14 14 14 N 5 2.41 0.30 108.30 110.71 A A A O4' C1' N1 DT DT DT 15 15 15 N 5 2.04 0.30 108.30 110.34 A A A O4' C1' N9 DA DA DA 16 16 16 N 5 2.68 0.30 108.30 110.98 A A A O4' C1' N9 DA DA DA 17 17 17 N 6 2.49 0.30 108.30 110.79 A A A O4' C1' N1 DT DT DT 1 1 1 N 6 2.74 0.30 108.30 111.04 A A A O4' C1' N1 DT DT DT 2 2 2 N 6 -3.76 0.60 122.90 119.14 A A A C6 C5 C7 DT DT DT 2 2 2 N 6 2.02 0.30 108.30 110.32 A A A O4' C1' N9 DA DA DA 3 3 3 N 6 2.18 0.30 108.30 110.48 A A A O4' C1' N9 DA DA DA 4 4 4 N 6 2.07 0.30 108.30 110.37 A A A O4' C1' N1 DT DT DT 5 5 5 N 6 2.25 0.30 108.30 110.55 A A A O4' C1' N1 DT DT DT 6 6 6 N 6 2.96 0.30 108.30 111.26 A A A O4' C1' N1 DT DT DT 7 7 7 N 6 2.43 0.30 108.30 110.73 A A A O4' C1' N9 DA DA DA 11 11 11 N 6 2.34 0.30 108.30 110.64 A A A O4' C1' N9 DA DA DA 12 12 12 N 6 2.68 0.30 108.30 110.98 A A A O4' C1' N9 DA DA DA 13 13 13 N 6 2.02 0.30 108.30 110.32 A A A O4' C1' N1 DT DT DT 14 14 14 N 6 2.42 0.30 108.30 110.72 A A A O4' C1' N1 DT DT DT 15 15 15 N 6 2.41 0.30 108.30 110.71 A A A O4' C1' N9 DA DA DA 16 16 16 N 6 2.59 0.30 108.30 110.89 A A A O4' C1' N9 DA DA DA 17 17 17 N 7 2.44 0.30 108.30 110.74 A A A O4' C1' N1 DT DT DT 1 1 1 N 7 2.62 0.30 108.30 110.92 A A A O4' C1' N1 DT DT DT 2 2 2 N 7 -3.67 0.60 122.90 119.23 A A A C6 C5 C7 DT DT DT 2 2 2 N 7 2.45 0.30 108.30 110.75 A A A O4' C1' N9 DA DA DA 3 3 3 N 7 2.02 0.30 108.30 110.32 A A A O4' C1' N9 DA DA DA 4 4 4 N 7 2.30 0.30 108.30 110.60 A A A O4' C1' N1 DT DT DT 5 5 5 N 7 2.44 0.30 108.30 110.74 A A A O4' C1' N1 DT DT DT 6 6 6 N 7 2.70 0.30 108.30 111.00 A A A O4' C1' N1 DT DT DT 7 7 7 N 7 2.81 0.30 108.30 111.11 A A A O4' C1' N9 DA DA DA 11 11 11 N 7 2.22 0.30 108.30 110.52 A A A O4' C1' N9 DA DA DA 12 12 12 N 7 2.52 0.30 108.30 110.82 A A A O4' C1' N9 DA DA DA 13 13 13 N 7 1.89 0.30 108.30 110.19 A A A O4' C1' N1 DT DT DT 14 14 14 N 7 2.57 0.30 108.30 110.87 A A A O4' C1' N1 DT DT DT 15 15 15 N 7 2.15 0.30 108.30 110.45 A A A O4' C1' N9 DA DA DA 16 16 16 N 7 2.79 0.30 108.30 111.09 A A A O4' C1' N9 DA DA DA 17 17 17 N 8 2.61 0.30 108.30 110.91 A A A O4' C1' N1 DT DT DT 1 1 1 N 8 2.51 0.30 108.30 110.81 A A A O4' C1' N1 DT DT DT 2 2 2 N 8 -3.63 0.60 122.90 119.27 A A A C6 C5 C7 DT DT DT 2 2 2 N 8 1.91 0.30 108.30 110.21 A A A O4' C1' N9 DA DA DA 3 3 3 N 8 2.21 0.30 108.30 110.51 A A A O4' C1' N9 DA DA DA 4 4 4 N 8 2.44 0.30 108.30 110.74 A A A O4' C1' N1 DT DT DT 5 5 5 N 8 -3.67 0.60 122.90 119.23 A A A C6 C5 C7 DT DT DT 5 5 5 N 8 2.38 0.30 108.30 110.68 A A A O4' C1' N1 DT DT DT 6 6 6 N 8 2.62 0.30 108.30 110.92 A A A O4' C1' N1 DT DT DT 7 7 7 N 8 2.42 0.30 108.30 110.72 A A A O4' C1' N9 DA DA DA 11 11 11 N 8 2.08 0.30 108.30 110.38 A A A O4' C1' N9 DA DA DA 12 12 12 N 8 1.95 0.30 108.30 110.25 A A A O4' C1' N9 DA DA DA 13 13 13 N 8 2.45 0.30 108.30 110.75 A A A O4' C1' N1 DT DT DT 14 14 14 N 8 2.80 0.30 108.30 111.10 A A A O4' C1' N1 DT DT DT 15 15 15 N 8 2.36 0.30 108.30 110.66 A A A O4' C1' N9 DA DA DA 16 16 16 N 8 2.97 0.30 108.30 111.27 A A A O4' C1' N9 DA DA DA 17 17 17 N 9 2.51 0.30 108.30 110.81 A A A O4' C1' N1 DT DT DT 1 1 1 N 9 2.55 0.30 108.30 110.85 A A A O4' C1' N1 DT DT DT 2 2 2 N 9 -3.74 0.60 122.90 119.16 A A A C6 C5 C7 DT DT DT 2 2 2 N 9 2.39 0.30 108.30 110.69 A A A O4' C1' N9 DA DA DA 3 3 3 N 9 2.27 0.30 108.30 110.57 A A A O4' C1' N9 DA DA DA 4 4 4 N 9 2.17 0.30 108.30 110.47 A A A O4' C1' N1 DT DT DT 5 5 5 N 9 2.22 0.30 108.30 110.52 A A A O4' C1' N1 DT DT DT 6 6 6 N 9 2.95 0.30 108.30 111.25 A A A O4' C1' N1 DT DT DT 7 7 7 N 9 2.38 0.30 108.30 110.68 A A A O4' C1' N9 DA DA DA 11 11 11 N 9 2.11 0.30 108.30 110.41 A A A O4' C1' N9 DA DA DA 12 12 12 N 9 2.01 0.30 108.30 110.31 A A A O4' C1' N9 DA DA DA 13 13 13 N 9 2.00 0.30 108.30 110.30 A A A O4' C1' N1 DT DT DT 14 14 14 N 9 2.70 0.30 108.30 111.00 A A A O4' C1' N1 DT DT DT 15 15 15 N 9 2.11 0.30 108.30 110.41 A A A O4' C1' N9 DA DA DA 16 16 16 N 9 2.56 0.30 108.30 110.86 A A A O4' C1' N9 DA DA DA 17 17 17 N 10 2.65 0.30 108.30 110.95 A A A O4' C1' N1 DT DT DT 1 1 1 N 10 2.49 0.30 108.30 110.79 A A A O4' C1' N1 DT DT DT 2 2 2 N 10 -3.60 0.60 122.90 119.30 A A A C6 C5 C7 DT DT DT 2 2 2 N 10 2.00 0.30 108.30 110.30 A A A O4' C1' N9 DA DA DA 3 3 3 N 10 2.19 0.30 108.30 110.49 A A A O4' C1' N9 DA DA DA 4 4 4 N 10 2.17 0.30 108.30 110.47 A A A O4' C1' N1 DT DT DT 5 5 5 N 10 2.45 0.30 108.30 110.75 A A A O4' C1' N1 DT DT DT 7 7 7 N 10 2.58 0.30 108.30 110.88 A A A O4' C1' N9 DA DA DA 11 11 11 N 10 2.08 0.30 108.30 110.38 A A A O4' C1' N9 DA DA DA 13 13 13 N 10 2.25 0.30 108.30 110.55 A A A O4' C1' N1 DT DT DT 14 14 14 N 10 2.76 0.30 108.30 111.06 A A A O4' C1' N1 DT DT DT 15 15 15 N 10 2.31 0.30 108.30 110.61 A A A O4' C1' N9 DA DA DA 16 16 16 N 10 2.67 0.30 108.30 110.97 A A A O4' C1' N9 DA DA DA 17 17 17 N 11 2.58 0.30 108.30 110.88 A A A O4' C1' N1 DT DT DT 1 1 1 N 11 2.56 0.30 108.30 110.86 A A A O4' C1' N1 DT DT DT 2 2 2 N 11 2.12 0.30 108.30 110.42 A A A O4' C1' N9 DA DA DA 3 3 3 N 11 2.39 0.30 108.30 110.69 A A A O4' C1' N9 DA DA DA 4 4 4 N 11 2.16 0.30 108.30 110.46 A A A O4' C1' N1 DT DT DT 5 5 5 N 11 2.50 0.30 108.30 110.80 A A A O4' C1' N1 DT DT DT 6 6 6 N 11 2.67 0.30 108.30 110.97 A A A O4' C1' N1 DT DT DT 7 7 7 N 11 2.42 0.30 108.30 110.72 A A A O4' C1' N9 DA DA DA 11 11 11 N 11 2.17 0.30 108.30 110.47 A A A O4' C1' N9 DA DA DA 12 12 12 N 11 2.41 0.30 108.30 110.71 A A A O4' C1' N9 DA DA DA 13 13 13 N 11 2.20 0.30 108.30 110.50 A A A O4' C1' N1 DT DT DT 14 14 14 N 11 2.86 0.30 108.30 111.16 A A A O4' C1' N1 DT DT DT 15 15 15 N 11 2.08 0.30 108.30 110.38 A A A O4' C1' N9 DA DA DA 16 16 16 N 11 2.67 0.30 108.30 110.97 A A A O4' C1' N9 DA DA DA 17 17 17 N 12 2.42 0.30 108.30 110.72 A A A O4' C1' N1 DT DT DT 1 1 1 N 12 2.44 0.30 108.30 110.74 A A A O4' C1' N1 DT DT DT 2 2 2 N 12 -3.61 0.60 122.90 119.29 A A A C6 C5 C7 DT DT DT 2 2 2 N 12 2.35 0.30 108.30 110.65 A A A O4' C1' N9 DA DA DA 3 3 3 N 12 2.23 0.30 108.30 110.53 A A A O4' C1' N9 DA DA DA 4 4 4 N 12 2.43 0.30 108.30 110.73 A A A O4' C1' N1 DT DT DT 5 5 5 N 12 2.18 0.30 108.30 110.48 A A A O4' C1' N1 DT DT DT 6 6 6 N 12 2.71 0.30 108.30 111.01 A A A O4' C1' N1 DT DT DT 7 7 7 N 12 2.20 0.30 108.30 110.50 A A A O4' C1' N9 DA DA DA 11 11 11 N 12 2.16 0.30 108.30 110.46 A A A O4' C1' N9 DA DA DA 12 12 12 N 12 2.02 0.30 108.30 110.32 A A A O4' C1' N9 DA DA DA 13 13 13 N 12 2.10 0.30 108.30 110.40 A A A O4' C1' N1 DT DT DT 14 14 14 N 12 2.82 0.30 108.30 111.12 A A A O4' C1' N1 DT DT DT 15 15 15 N 12 2.32 0.30 108.30 110.62 A A A O4' C1' N9 DA DA DA 16 16 16 N 12 2.77 0.30 108.30 111.07 A A A O4' C1' N9 DA DA DA 17 17 17 N 13 2.26 0.30 108.30 110.56 A A A O4' C1' N1 DT DT DT 1 1 1 N 13 2.38 0.30 108.30 110.68 A A A O4' C1' N1 DT DT DT 2 2 2 N 13 2.16 0.30 108.30 110.46 A A A O4' C1' N9 DA DA DA 3 3 3 N 13 2.46 0.30 108.30 110.76 A A A O4' C1' N9 DA DA DA 4 4 4 N 13 2.40 0.30 108.30 110.70 A A A O4' C1' N1 DT DT DT 5 5 5 N 13 2.55 0.30 108.30 110.85 A A A O4' C1' N1 DT DT DT 6 6 6 N 13 2.32 0.30 108.30 110.62 A A A O4' C1' N1 DT DT DT 7 7 7 N 13 2.48 0.30 108.30 110.78 A A A O4' C1' N9 DA DA DA 11 11 11 N 13 1.97 0.30 108.30 110.27 A A A O4' C1' N9 DA DA DA 12 12 12 N 13 2.34 0.30 108.30 110.64 A A A O4' C1' N9 DA DA DA 13 13 13 N 13 2.34 0.30 108.30 110.64 A A A O4' C1' N1 DT DT DT 14 14 14 N 13 2.58 0.30 108.30 110.88 A A A O4' C1' N1 DT DT DT 15 15 15 N 13 2.61 0.30 108.30 110.91 A A A O4' C1' N9 DA DA DA 16 16 16 N 13 2.84 0.30 108.30 111.14 A A A O4' C1' N9 DA DA DA 17 17 17 N 14 2.70 0.30 108.30 111.00 A A A O4' C1' N1 DT DT DT 1 1 1 N 14 2.53 0.30 108.30 110.83 A A A O4' C1' N1 DT DT DT 2 2 2 N 14 2.27 0.30 108.30 110.57 A A A O4' C1' N9 DA DA DA 3 3 3 N 14 2.22 0.30 108.30 110.52 A A A O4' C1' N9 DA DA DA 4 4 4 N 14 2.42 0.30 108.30 110.72 A A A O4' C1' N1 DT DT DT 5 5 5 N 14 2.55 0.30 108.30 110.85 A A A O4' C1' N1 DT DT DT 6 6 6 N 14 2.54 0.30 108.30 110.84 A A A O4' C1' N1 DT DT DT 7 7 7 N 14 2.52 0.30 108.30 110.82 A A A O4' C1' N9 DA DA DA 11 11 11 N 14 2.36 0.30 108.30 110.66 A A A O4' C1' N9 DA DA DA 12 12 12 N 14 2.32 0.30 108.30 110.62 A A A O4' C1' N9 DA DA DA 13 13 13 N 14 2.03 0.30 108.30 110.33 A A A O4' C1' N1 DT DT DT 14 14 14 N 14 2.63 0.30 108.30 110.93 A A A O4' C1' N1 DT DT DT 15 15 15 N 14 2.00 0.30 108.30 110.30 A A A O4' C1' N9 DA DA DA 16 16 16 N 14 2.62 0.30 108.30 110.92 A A A O4' C1' N9 DA DA DA 17 17 17 N 15 2.53 0.30 108.30 110.83 A A A O4' C1' N1 DT DT DT 1 1 1 N 15 2.09 0.30 108.30 110.39 A A A O4' C1' N1 DT DT DT 2 2 2 N 15 2.43 0.30 108.30 110.73 A A A O4' C1' N9 DA DA DA 3 3 3 N 15 2.31 0.30 108.30 110.61 A A A O4' C1' N9 DA DA DA 4 4 4 N 15 2.44 0.30 108.30 110.74 A A A O4' C1' N1 DT DT DT 5 5 5 N 15 2.23 0.30 108.30 110.53 A A A O4' C1' N1 DT DT DT 6 6 6 N 15 2.59 0.30 108.30 110.89 A A A O4' C1' N1 DT DT DT 7 7 7 N 15 2.38 0.30 108.30 110.68 A A A O4' C1' N9 DA DA DA 11 11 11 N 15 2.23 0.30 108.30 110.53 A A A O4' C1' N9 DA DA DA 12 12 12 N 15 2.21 0.30 108.30 110.51 A A A O4' C1' N9 DA DA DA 13 13 13 N 15 2.16 0.30 108.30 110.46 A A A O4' C1' N1 DT DT DT 14 14 14 N 15 2.67 0.30 108.30 110.97 A A A O4' C1' N1 DT DT DT 15 15 15 N 15 2.81 0.30 108.30 111.11 A A A O4' C1' N9 DA DA DA 16 16 16 N 15 2.52 0.30 108.30 110.82 A A A O4' C1' N9 DA DA DA 17 17 17 N 16 2.46 0.30 108.30 110.76 A A A O4' C1' N1 DT DT DT 1 1 1 N 16 -3.65 0.60 122.90 119.25 A A A C6 C5 C7 DT DT DT 1 1 1 N 16 2.56 0.30 108.30 110.86 A A A O4' C1' N1 DT DT DT 2 2 2 N 16 2.20 0.30 108.30 110.50 A A A O4' C1' N9 DA DA DA 3 3 3 N 16 2.42 0.30 108.30 110.72 A A A O4' C1' N9 DA DA DA 4 4 4 N 16 2.60 0.30 108.30 110.90 A A A O4' C1' N1 DT DT DT 5 5 5 N 16 -3.63 0.60 122.90 119.27 A A A C6 C5 C7 DT DT DT 5 5 5 N 16 2.51 0.30 108.30 110.81 A A A O4' C1' N1 DT DT DT 6 6 6 N 16 2.57 0.30 108.30 110.87 A A A O4' C1' N1 DT DT DT 7 7 7 N 16 2.51 0.30 108.30 110.81 A A A O4' C1' N9 DA DA DA 11 11 11 N 16 2.61 0.30 108.30 110.91 A A A O4' C1' N9 DA DA DA 12 12 12 N 16 2.40 0.30 108.30 110.70 A A A O4' C1' N9 DA DA DA 13 13 13 N 16 2.46 0.30 108.30 110.76 A A A O4' C1' N1 DT DT DT 14 14 14 N 16 -3.65 0.60 122.90 119.25 A A A C6 C5 C7 DT DT DT 14 14 14 N 16 2.61 0.30 108.30 110.91 A A A O4' C1' N1 DT DT DT 15 15 15 N 16 2.08 0.30 108.30 110.38 A A A O4' C1' N9 DA DA DA 16 16 16 N 16 2.88 0.30 108.30 111.18 A A A O4' C1' N9 DA DA DA 17 17 17 N 17 2.44 0.30 108.30 110.74 A A A O4' C1' N1 DT DT DT 1 1 1 N 17 2.35 0.30 108.30 110.65 A A A O4' C1' N1 DT DT DT 2 2 2 N 17 2.25 0.30 108.30 110.55 A A A O4' C1' N9 DA DA DA 3 3 3 N 17 2.14 0.30 108.30 110.44 A A A O4' C1' N9 DA DA DA 4 4 4 N 17 2.51 0.30 108.30 110.81 A A A O4' C1' N1 DT DT DT 5 5 5 N 17 2.51 0.30 108.30 110.81 A A A O4' C1' N1 DT DT DT 6 6 6 N 17 2.80 0.30 108.30 111.10 A A A O4' C1' N1 DT DT DT 7 7 7 N 17 2.49 0.30 108.30 110.79 A A A O4' C1' N9 DA DA DA 11 11 11 N 17 2.45 0.30 108.30 110.75 A A A O4' C1' N9 DA DA DA 12 12 12 N 17 1.99 0.30 108.30 110.29 A A A O4' C1' N9 DA DA DA 13 13 13 N 17 2.40 0.30 108.30 110.70 A A A O4' C1' N1 DT DT DT 14 14 14 N 17 2.73 0.30 108.30 111.03 A A A O4' C1' N1 DT DT DT 15 15 15 N 17 2.17 0.30 108.30 110.47 A A A O4' C1' N9 DA DA DA 16 16 16 N 17 2.70 0.30 108.30 111.00 A A A O4' C1' N9 DA DA DA 17 17 17 N 18 2.33 0.30 108.30 110.63 A A A O4' C1' N1 DT DT DT 1 1 1 N 18 2.69 0.30 108.30 110.99 A A A O4' C1' N1 DT DT DT 2 2 2 N 18 -3.71 0.60 122.90 119.19 A A A C6 C5 C7 DT DT DT 2 2 2 N 18 2.22 0.30 108.30 110.52 A A A O4' C1' N9 DA DA DA 3 3 3 N 18 2.15 0.30 108.30 110.45 A A A O4' C1' N9 DA DA DA 4 4 4 N 18 2.34 0.30 108.30 110.64 A A A O4' C1' N1 DT DT DT 5 5 5 N 18 2.34 0.30 108.30 110.64 A A A O4' C1' N1 DT DT DT 6 6 6 N 18 2.71 0.30 108.30 111.01 A A A O4' C1' N1 DT DT DT 7 7 7 N 18 -3.61 0.60 122.90 119.29 A A A C6 C5 C7 DT DT DT 7 7 7 N 18 2.26 0.30 108.30 110.56 A A A O4' C1' N9 DA DA DA 11 11 11 N 18 2.36 0.30 108.30 110.66 A A A O4' C1' N9 DA DA DA 12 12 12 N 18 2.32 0.30 108.30 110.62 A A A O4' C1' N9 DA DA DA 13 13 13 N 18 1.95 0.30 108.30 110.25 A A A O4' C1' N1 DT DT DT 14 14 14 N 18 2.87 0.30 108.30 111.17 A A A O4' C1' N1 DT DT DT 15 15 15 N 18 2.45 0.30 108.30 110.75 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 2.40 0.30 108.30 110.70 A A A O4' C1' N1 DT DT DT 1 1 1 N 19 2.65 0.30 108.30 110.95 A A A O4' C1' N1 DT DT DT 2 2 2 N 19 -3.86 0.60 122.90 119.04 A A A C6 C5 C7 DT DT DT 2 2 2 N 19 1.91 0.30 108.30 110.21 A A A O4' C1' N9 DA DA DA 3 3 3 N 19 2.69 0.30 108.30 110.99 A A A O4' C1' N9 DA DA DA 4 4 4 N 19 1.95 0.30 108.30 110.25 A A A O4' C1' N1 DT DT DT 5 5 5 N 19 -3.66 0.60 122.90 119.24 A A A C6 C5 C7 DT DT DT 5 5 5 N 19 2.03 0.30 108.30 110.33 A A A O4' C1' N1 DT DT DT 6 6 6 N 19 2.40 0.30 108.30 110.70 A A A O4' C1' N1 DT DT DT 7 7 7 N 19 2.26 0.30 108.30 110.56 A A A O4' C1' N9 DA DA DA 11 11 11 N 19 2.30 0.30 108.30 110.60 A A A O4' C1' N9 DA DA DA 12 12 12 N 19 2.26 0.30 108.30 110.56 A A A O4' C1' N9 DA DA DA 13 13 13 N 19 2.38 0.30 108.30 110.68 A A A O4' C1' N1 DT DT DT 14 14 14 N 19 2.68 0.30 108.30 110.98 A A A O4' C1' N1 DT DT DT 15 15 15 N 19 2.28 0.30 108.30 110.58 A A A O4' C1' N9 DA DA DA 16 16 16 N 19 2.72 0.30 108.30 111.02 A A A O4' C1' N9 DA DA DA 17 17 17 N 20 2.63 0.30 108.30 110.93 A A A O4' C1' N1 DT DT DT 1 1 1 N 20 2.73 0.30 108.30 111.03 A A A O4' C1' N1 DT DT DT 2 2 2 N 20 2.32 0.30 108.30 110.62 A A A O4' C1' N9 DA DA DA 3 3 3 N 20 2.47 0.30 108.30 110.77 A A A O4' C1' N9 DA DA DA 4 4 4 N 20 2.11 0.30 108.30 110.41 A A A O4' C1' N1 DT DT DT 5 5 5 N 20 2.72 0.30 108.30 111.02 A A A O4' C1' N1 DT DT DT 6 6 6 N 20 2.55 0.30 108.30 110.85 A A A O4' C1' N1 DT DT DT 7 7 7 N 20 2.57 0.30 108.30 110.87 A A A O4' C1' N9 DA DA DA 11 11 11 N 20 2.09 0.30 108.30 110.39 A A A O4' C1' N9 DA DA DA 12 12 12 N 20 2.64 0.30 108.30 110.94 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 2.81 0.30 108.30 111.11 A A A O4' C1' N1 DT DT DT 15 15 15 N 20 2.69 0.30 108.30 110.99 A A A O4' C1' N9 DA DA DA 16 16 16 N 20 3.05 0.30 108.30 111.35 A A A O4' C1' N9 DA DA DA 17 17 17 N NMR solution structure of modified DNA containing imidazole nucleosides at neutral 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 1.610 both A D33 8 A O3' D33 8 1_555 A D33 9 A P D33 9 1_555 covale 1.609 both A D33 9 A O3' D33 9 1_555 A D33 10 A P D33 10 1_555 covale 1.611 both A D33 10 A O3' D33 10 1_555 A DA 11 A P DA 11 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 2K68 PDB 1 2K68 TTAATTTXXXAAATTAA 1 17 2K68 1 17 2K68 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 1 BINDING SITE FOR RESIDUE D33 A 10 A D33 10 Software 1 A DT 7 A DT 7 1 1_555 A DT 7 A DT 7 1 1_555 A DA 11 A DA 11 1 1_555