1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 0000-0001-7760-5786 Guo, P. 0000-0003-3663-2678 Wan, L. 0000-0002-0804-2964 Han, D. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic C9 H14 N3 O7 P 307.197 y 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE DNA linking C10 H14 N5 O7 P 347.221 y 2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE DNA linking C10 H15 N2 O8 P 322.208 y THYMIDINE-5'-MONOPHOSPHATE DNA linking Na 1 22.990 SODIUM ION non-polymer 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 N C N 12 R C N 13 N N N 14 N C N 15 N O N 16 N N N 17 N C N 18 N N N 19 N C N 20 N C 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 H N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N O N 36 N P N 37 N O N 38 N O N 39 N O N 40 N C N 41 R C N 42 N O N 43 S C N 44 N O N 45 N C N 46 R C Y 47 N N Y 48 N C Y 49 N N Y 50 N C N 51 N C N 52 N O N 53 N N N 54 N C N 55 N N N 56 N N Y 57 N C 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 H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N O N 73 N P N 74 N O N 75 N O N 76 N O N 77 N C N 78 R C N 79 N O N 80 S C N 81 N O N 82 N C N 83 R C N 84 N N N 85 N C N 86 N O N 87 N N N 88 N C N 89 N O N 90 N C N 91 N C N 92 N C 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 103 N H N 104 N H N 105 N H N 106 N H N 107 N H N 108 N NA 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 N 25 N sing N 26 N doub N 27 N sing N 28 N doub N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N doub N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N doub 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 N 55 N sing N 56 N sing N 57 N sing N 58 N sing Y 59 N sing Y 60 N sing Y 61 N doub N 62 N sing Y 63 N sing N 64 N sing Y 65 N doub N 66 N doub N 67 N sing N 68 N sing N 69 N sing N 70 N sing N 71 N doub N 72 N sing N 73 N sing 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 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 sing N 96 N sing N 97 N sing N 98 N sing N 99 N sing N 100 N doub N 101 N sing N 102 N sing N 103 N sing N 104 N doub N 105 N sing N 106 N sing N 107 N doub N 108 N sing N 109 N sing N 110 N sing N 111 N sing US Acs Chem Neurosci 1948-7193 15 868 876 10.1021/acschemneuro.3c00769 38319692 High-Resolution NMR Structures of Intrastrand Hairpins Formed by CTG Trinucleotide Repeats. 2024 10.2210/pdb8x4f/pdb pdb_00008x4f 10.13018/BMR36616 4263.751 DNA (5'-D(*GP*CP*TP*GP*CP*TP*GP*CP*TP*GP*CP*TP*GP*C)-3') 1 syn polymer 22.990 SODIUM ION 13 syn non-polymer no no (DG)(DC)(DT)(DG)(DC)(DT)(DG)(DC)(DT)(DG)(DC)(DT)(DG)(DC) GCTGCTGCTGCTGC A polydeoxyribonucleotide n n n n n n n n n n n n n n -9.957 1 19 A 1 A 14 -0.832 A_DG1:DC14_A 1 -0.538 -0.560 -0.517 -0.153 10.153 1 19 A 2 A 13 -2.512 A_DC2:DG13_A 2 -5.273 0.367 -0.452 -0.142 3.488 1 16 A 3 A 12 13.023 A_DT3:DT12_A 3 -20.239 2.411 -0.358 -1.964 5.844 1 19 A 4 A 11 -0.678 A_DG4:DC11_A 4 -5.417 -0.368 0.411 -0.108 -5.851 1 19 A 5 A 10 0.243 A_DC5:DG10_A 5 16.209 0.634 0.050 -0.221 32.769 1 16 A 6 A 9 19.721 A_DT6:DT9_A 6 -13.234 2.253 -0.139 -1.464 3.019 37.925 A A 1 2 -9.000 A A 14 13 3.059 -5.826 -0.323 -0.056 AA_DG1DC2:DG13DC14_AA 1 1.488 -2.299 37.462 0.611 0.675 3.581 31.211 A A 2 3 3.986 A A 13 12 3.570 2.140 0.817 -0.562 AA_DC2DT3:DT12DG13_AA 2 2.750 -5.121 31.021 -1.490 -0.946 3.593 35.334 A A 3 4 -6.346 A A 12 11 3.645 -3.844 -0.493 0.423 AA_DT3DG4:DC11DT12_AA 3 -1.024 1.691 35.117 1.327 0.644 3.956 47.607 A A 4 5 -39.610 A A 11 10 4.646 -29.799 0.564 -0.494 AA_DG4DC5:DG10DC11_AA 4 -3.094 4.113 37.433 2.970 -1.071 2.501 35.449 A A 5 6 -18.677 A A 10 9 2.700 -11.180 0.188 0.248 AA_DC5DT6:DT9DG10_AA 5 2.549 -4.258 33.600 1.749 -0.003 citation citation_author citation database_2 repository Initial release Database references Database references Database references 1 0 2024-02-14 1 1 2024-02-21 1 2 2024-03-06 1 3 2024-05-15 _citation.pdbx_database_id_PubMed _citation.title _citation.journal_volume _citation.page_first _citation.page_last _database_2.pdbx_DOI Not funded dahan@sjtu.edu.cn 0000-0002-0804-2964 Da Han principal investigator/group leader Solution NMR structure of a DNA hairpin formed by pure CTG repeats N PDBJ Y PDBJ 2023-11-15 REL REL NA SODIUM ION 9606 Homo sapiens sample 1 14 N structures with the least restraint violations 500 5 isotropic 1 2D 1H-1H NOESY isotropic 1 2D 1H-1H TOCSY isotropic 1 2D 1H-1H COSY 0.5 mM natural abundance 0.02 mM natural abundance 1 mM natural abundance 1 mM 1 7.0 pH 1 atm 288 K simulated annealing 1 fewest violations 0.5 mM DNA (5'-D(*GP*CP*TP*GP*CP*TP*GP*CP*TP*GP*CP*TP*GP*C)-3'), 0.02 mM DSS, 1 mM sodium phosphate, 99.96%D2O 1 99.96%D2O solution Bruker Biospin data analysis TopSpin Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman structure calculation Amber 600 Bruker AVANCE NEO NA 15 2 NA NA 101 A NA 16 2 NA NA 102 A NA 17 2 NA NA 103 A NA 18 2 NA NA 104 A NA 19 2 NA NA 105 A NA 20 2 NA NA 106 A NA 21 2 NA NA 107 A NA 22 2 NA NA 108 A NA 23 2 NA NA 109 A NA 24 2 NA NA 110 A NA 25 2 NA NA 111 A NA 26 2 NA NA 112 A NA 27 2 NA NA 113 A DG 1 n 1 DG 1 A DC 2 n 2 DC 2 A DT 3 n 3 DT 3 A DG 4 n 4 DG 4 A DC 5 n 5 DC 5 A DT 6 n 6 DT 6 A DG 7 n 7 DG 7 A DC 8 n 8 DC 8 A DT 9 n 9 DT 9 A DG 10 n 10 DG 10 A DC 11 n 11 DC 11 A DT 12 n 12 DT 12 A DG 13 n 13 DG 13 A DC 14 n 14 DC 14 A author_and_software_defined_assembly 1 monomeric not applicable NMR Distance Restraints A DC 2 A OP1 DC 2 1_555 A NA 106 G NA NA 1_555 A DC 2 A OP2 DC 2 1_555 63.9 A DT 3 A OP1 DT 3 1_555 A NA 109 J NA NA 1_555 A DT 3 A O5' DT 3 1_555 57.2 A DT 3 A OP1 DT 3 1_555 A NA 109 J NA NA 1_555 A DG 4 A OP1 DG 4 1_555 124.5 A DT 3 A O5' DT 3 1_555 A NA 109 J NA NA 1_555 A DG 4 A OP1 DG 4 1_555 97.3 A DT 3 A OP1 DT 3 1_555 A NA 109 J NA NA 1_555 A DG 4 A OP2 DG 4 1_555 156.3 A DT 3 A O5' DT 3 1_555 A NA 109 J NA NA 1_555 A DG 4 A OP2 DG 4 1_555 100.6 A DG 4 A OP1 DG 4 1_555 A NA 109 J NA NA 1_555 A DG 4 A OP2 DG 4 1_555 61.6 A DC 5 A OP1 DC 5 1_555 A NA 107 H NA NA 1_555 A DC 5 A OP2 DC 5 1_555 64.0 A DT 6 A O4 DT 6 1_555 A NA 101 B NA NA 1_555 A DG 7 A O6 DG 7 1_555 105.4 A DT 6 A O4 DT 6 1_555 A NA 101 B NA NA 1_555 A DT 9 A O4 DT 9 1_555 100.9 A DG 7 A O6 DG 7 1_555 A NA 101 B NA NA 1_555 A DT 9 A O4 DT 9 1_555 99.5 A DT 6 A O2 DT 6 1_555 A NA 103 D NA NA 1_555 A DG 7 A OP1 DG 7 1_555 118.2 A DT 6 A O2 DT 6 1_555 A NA 103 D NA NA 1_555 A DG 7 A O5' DG 7 1_555 100.6 A DG 7 A OP1 DG 7 1_555 A NA 103 D NA NA 1_555 A DG 7 A O5' DG 7 1_555 61.4 A DT 6 A O2 DT 6 1_555 A NA 103 D NA NA 1_555 A DT 9 A O2 DT 9 1_555 86.5 A DG 7 A OP1 DG 7 1_555 A NA 103 D NA NA 1_555 A DT 9 A O2 DT 9 1_555 152.8 A DG 7 A O5' DG 7 1_555 A NA 103 D NA NA 1_555 A DT 9 A O2 DT 9 1_555 105.1 A DT 6 A OP1 DT 6 1_555 A NA 104 E NA NA 1_555 A DT 6 A OP2 DT 6 1_555 51.6 A DT 6 A OP1 DT 6 1_555 A NA 104 E NA NA 1_555 A DG 13 A OP1 DG 13 1_555 69.3 A DT 6 A OP2 DT 6 1_555 A NA 104 E NA NA 1_555 A DG 13 A OP1 DG 13 1_555 100.2 A DT 6 A OP1 DT 6 1_555 A NA 104 E NA NA 1_555 A DG 13 A OP2 DG 13 1_555 91.4 A DT 6 A OP2 DT 6 1_555 A NA 104 E NA NA 1_555 A DG 13 A OP2 DG 13 1_555 142.4 A DG 13 A OP1 DG 13 1_555 A NA 104 E NA NA 1_555 A DG 13 A OP2 DG 13 1_555 53.3 A DT 6 A OP1 DT 6 1_555 A NA 113 N NA NA 1_555 A DT 12 A O3' DT 12 1_555 84.0 A DT 6 A OP1 DT 6 1_555 A NA 113 N NA NA 1_555 A DG 13 A OP1 DG 13 1_555 86.9 A DT 12 A O3' DT 12 1_555 A NA 113 N NA NA 1_555 A DG 13 A OP1 DG 13 1_555 60.9 A DG 7 A OP2 DG 7 1_555 A NA 111 L NA NA 1_555 A DC 11 A O3' DC 11 1_555 91.5 A DG 7 A OP2 DG 7 1_555 A NA 111 L NA NA 1_555 A DT 12 A OP1 DT 12 1_555 134.0 A DC 11 A O3' DC 11 1_555 A NA 111 L NA NA 1_555 A DT 12 A OP1 DT 12 1_555 61.3 A DC 8 A OP1 DC 8 1_555 A NA 105 F NA NA 1_555 A DC 8 A OP2 DC 8 1_555 63.2 A DT 9 A OP1 DT 9 1_555 A NA 102 C NA NA 1_555 A DT 9 A OP2 DT 9 1_555 64.0 A DG 10 A OP1 DG 10 1_555 A NA 112 M NA NA 1_555 A DC 11 A OP1 DC 11 1_555 117.5 A DC 14 A OP1 DC 14 1_555 A NA 110 K NA NA 1_555 A DC 14 A OP2 DC 14 1_555 64.0 1.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0 1_555 x,y,z identity operation 0.0 0.0 0.0 1 A DG 1 0.072 SIDE CHAIN 1 A DG 4 0.071 SIDE CHAIN 1 A DC 5 0.080 SIDE CHAIN 1 A DT 6 0.108 SIDE CHAIN 1 A DG 7 0.091 SIDE CHAIN 1 A DT 12 0.107 SIDE CHAIN 1 A DG 13 0.073 SIDE CHAIN 2 A DG 4 0.052 SIDE CHAIN 2 A DT 6 0.112 SIDE CHAIN 2 A DG 7 0.077 SIDE CHAIN 2 A DC 8 0.064 SIDE CHAIN 2 A DT 9 0.081 SIDE CHAIN 2 A DG 10 0.067 SIDE CHAIN 2 A DC 11 0.070 SIDE CHAIN 2 A DT 12 0.174 SIDE CHAIN 3 A DC 5 0.085 SIDE CHAIN 3 A DT 6 0.126 SIDE CHAIN 3 A DG 7 0.091 SIDE CHAIN 3 A DC 8 0.065 SIDE CHAIN 3 A DC 11 0.119 SIDE CHAIN 3 A DT 12 0.102 SIDE CHAIN 3 A DC 14 0.086 SIDE CHAIN 4 A DT 3 0.071 SIDE CHAIN 4 A DT 6 0.089 SIDE CHAIN 4 A DG 7 0.086 SIDE CHAIN 4 A DC 8 0.065 SIDE CHAIN 4 A DG 10 0.082 SIDE CHAIN 4 A DT 12 0.166 SIDE CHAIN 5 A DT 3 0.076 SIDE CHAIN 5 A DT 6 0.075 SIDE CHAIN 5 A DG 7 0.091 SIDE CHAIN 5 A DC 8 0.068 SIDE CHAIN 5 A DT 9 0.136 SIDE CHAIN 5 A DG 10 0.052 SIDE CHAIN 5 A DC 11 0.072 SIDE CHAIN 5 A DT 12 0.142 SIDE CHAIN 1 7.22 0.30 108.30 115.52 A A A O4' C1' N9 DG DG DG 1 1 1 N 1 2.44 0.30 108.30 110.74 A A A O4' C1' N1 DC DC DC 2 2 2 N 1 4.77 0.30 108.30 113.07 A A A O4' C1' N1 DT DT DT 3 3 3 N 1 2.10 0.30 108.30 110.40 A A A O4' C1' N9 DG DG DG 4 4 4 N 1 3.68 0.60 106.00 109.68 A A A O4' C4' C3' DC DC DC 5 5 5 N 1 -4.58 0.70 102.20 97.62 A A A C4' C3' C2' DC DC DC 5 5 5 N 1 7.82 0.30 108.30 116.12 A A A O4' C1' N1 DC DC DC 5 5 5 N 1 -5.26 0.80 102.40 97.14 A A A C3' C2' C1' DT DT DT 6 6 6 N 1 7.40 0.30 108.30 115.70 A A A O4' C1' N1 DT DT DT 6 6 6 N 1 -5.22 0.60 122.90 117.68 A A A C6 C5 C7 DT DT DT 6 6 6 N 1 7.35 1.20 119.70 127.05 A A A C3' O3' P DT DT DG 6 6 7 Y 1 9.23 0.30 108.30 117.53 A A A O4' C1' N9 DG DG DG 7 7 7 N 1 -2.51 0.40 106.40 103.89 A A A C8 N9 C4 DG DG DG 7 7 7 N 1 3.48 0.30 108.30 111.78 A A A O4' C1' N1 DC DC DC 8 8 8 N 1 3.32 0.30 108.30 111.62 A A A O4' C1' N1 DT DT DT 9 9 9 N 1 -3.88 0.60 122.90 119.02 A A A C6 C5 C7 DT DT DT 9 9 9 N 1 4.07 0.30 108.30 112.37 A A A O4' C1' N9 DG DG DG 10 10 10 N 1 4.96 0.30 108.30 113.26 A A A O4' C1' N1 DC DC DC 11 11 11 N 1 1.97 0.30 108.30 110.27 A A A O4' C1' N1 DT DT DT 12 12 12 N 1 8.22 0.30 108.30 116.52 A A A O4' C1' N9 DG DG DG 13 13 13 N 1 4.02 0.30 108.30 112.32 A A A O4' C1' N1 DC DC DC 14 14 14 N 2 3.60 0.30 108.30 111.90 A A A O4' C1' N9 DG DG DG 1 1 1 N 2 2.65 0.30 108.30 110.95 A A A O4' C1' N1 DC DC DC 2 2 2 N 2 3.68 0.30 108.30 111.98 A A A O4' C1' N9 DG DG DG 4 4 4 N 2 3.98 0.60 106.00 109.98 A A A O4' C4' C3' DC DC DC 5 5 5 N 2 5.63 0.30 108.30 113.93 A A A O4' C1' N1 DC DC DC 5 5 5 N 2 -5.14 0.80 102.40 97.26 A A A C3' C2' C1' DT DT DT 6 6 6 N 2 5.17 0.30 108.30 113.47 A A A O4' C1' N1 DT DT DT 6 6 6 N 2 -4.54 0.60 122.90 118.36 A A A C6 C5 C7 DT DT DT 6 6 6 N 2 9.70 0.30 108.30 118.00 A A A O4' C1' N9 DG DG DG 7 7 7 N 2 4.10 0.30 108.30 112.40 A A A O4' C1' N1 DC DC DC 8 8 8 N 2 1.83 0.30 108.30 110.13 A A A O4' C1' N1 DT DT DT 9 9 9 N 2 -3.77 0.60 122.90 119.13 A A A C6 C5 C7 DT DT DT 9 9 9 N 2 -4.92 0.80 102.40 97.48 A A A C3' C2' C1' DG DG DG 10 10 10 N 2 4.57 0.30 108.30 112.87 A A A O4' C1' N9 DG DG DG 10 10 10 N 2 2.89 0.30 108.30 111.19 A A A O4' C1' N1 DC DC DC 11 11 11 N 2 1.86 0.30 108.30 110.16 A A A O4' C1' N1 DT DT DT 12 12 12 N 2 2.12 0.30 108.30 110.42 A A A O4' C1' N9 DG DG DG 13 13 13 N 3 3.00 0.30 108.30 111.30 A A A O4' C1' N1 DC DC DC 2 2 2 N 3 2.99 0.30 108.30 111.29 A A A O4' C1' N1 DT DT DT 3 3 3 N 3 -4.95 0.80 102.40 97.45 A A A C3' C2' C1' DG DG DG 4 4 4 N 3 5.46 0.30 108.30 113.76 A A A O4' C1' N9 DG DG DG 4 4 4 N 3 3.65 0.60 106.00 109.65 A A A O4' C4' C3' DC DC DC 5 5 5 N 3 7.10 0.30 108.30 115.40 A A A O4' C1' N1 DC DC DC 5 5 5 N 3 -5.19 0.80 102.40 97.21 A A A C3' C2' C1' DT DT DT 6 6 6 N 3 3.34 0.30 108.30 111.64 A A A O4' C1' N1 DT DT DT 6 6 6 N 3 -4.80 0.60 122.90 118.10 A A A C6 C5 C7 DT DT DT 6 6 6 N 3 7.26 1.20 119.70 126.96 A A A C3' O3' P DT DT DG 6 6 7 Y 3 9.21 0.30 108.30 117.51 A A A O4' C1' N9 DG DG DG 7 7 7 N 3 -2.40 0.40 106.40 104.00 A A A C8 N9 C4 DG DG DG 7 7 7 N 3 3.92 0.30 108.30 112.22 A A A O4' C1' N1 DC DC DC 8 8 8 N 3 2.51 0.30 108.30 110.81 A A A O4' C1' N1 DT DT DT 9 9 9 N 3 -3.97 0.60 122.90 118.93 A A A C6 C5 C7 DT DT DT 9 9 9 N 3 3.13 0.30 108.30 111.43 A A A O4' C1' N1 DC DC DC 11 11 11 N 3 7.46 1.20 119.70 127.16 A A A C3' O3' P DC DC DT 11 11 12 Y 3 2.27 0.30 108.30 110.57 A A A O4' C1' N1 DT DT DT 12 12 12 N 3 4.72 0.30 108.30 113.02 A A A O4' C1' N9 DG DG DG 13 13 13 N 3 2.11 0.30 108.30 110.41 A A A O4' C1' N1 DC DC DC 14 14 14 N 4 4.91 0.30 108.30 113.21 A A A O4' C1' N9 DG DG DG 1 1 1 N 4 1.82 0.30 108.30 110.12 A A A O4' C1' N1 DT DT DT 3 3 3 N 4 2.96 0.30 108.30 111.26 A A A O4' C1' N9 DG DG DG 4 4 4 N 4 4.05 0.60 106.00 110.05 A A A O4' C4' C3' DC DC DC 5 5 5 N 4 4.14 0.30 108.30 112.44 A A A O4' C1' N1 DC DC DC 5 5 5 N 4 4.02 0.30 108.30 112.32 A A A O4' C1' N1 DT DT DT 6 6 6 N 4 -3.85 0.60 122.90 119.05 A A A C6 C5 C7 DT DT DT 6 6 6 N 4 9.83 0.30 108.30 118.13 A A A O4' C1' N9 DG DG DG 7 7 7 N 4 4.01 0.30 108.30 112.31 A A A O4' C1' N1 DC DC DC 8 8 8 N 4 2.10 0.30 108.30 110.40 A A A O4' C1' N1 DT DT DT 9 9 9 N 4 -4.97 0.80 102.40 97.43 A A A C3' C2' C1' DG DG DG 10 10 10 N 4 5.06 0.30 108.30 113.36 A A A O4' C1' N9 DG DG DG 10 10 10 N 4 1.88 0.30 108.30 110.18 A A A O4' C1' N1 DC DC DC 11 11 11 N 4 3.31 0.30 108.30 111.61 A A A O4' C1' N9 DG DG DG 13 13 13 N 5 5.02 0.30 108.30 113.32 A A A O4' C1' N9 DG DG DG 1 1 1 N 5 2.54 0.30 108.30 110.84 A A A O4' C1' N1 DT DT DT 3 3 3 N 5 3.16 0.30 108.30 111.46 A A A O4' C1' N9 DG DG DG 4 4 4 N 5 3.68 0.60 106.00 109.68 A A A O4' C4' C3' DC DC DC 5 5 5 N 5 5.18 0.30 108.30 113.48 A A A O4' C1' N1 DC DC DC 5 5 5 N 5 -5.20 0.80 102.40 97.20 A A A C3' C2' C1' DT DT DT 6 6 6 N 5 4.27 0.30 108.30 112.57 A A A O4' C1' N1 DT DT DT 6 6 6 N 5 -3.98 0.60 122.90 118.92 A A A C6 C5 C7 DT DT DT 6 6 6 N 5 10.22 0.30 108.30 118.52 A A A O4' C1' N9 DG DG DG 7 7 7 N 5 5.37 0.30 108.30 113.67 A A A O4' C1' N1 DC DC DC 8 8 8 N 5 -4.92 0.60 122.90 117.98 A A A C6 C5 C7 DT DT DT 9 9 9 N 5 5.24 0.30 108.30 113.54 A A A O4' C1' N9 DG DG DG 10 10 10 N 5 4.08 0.30 108.30 112.38 A A A O4' C1' N1 DC DC DC 11 11 11 N 5 4.60 0.30 108.30 112.90 A A A O4' C1' N9 DG DG DG 13 13 13 N 5 2.52 0.30 108.30 110.82 A A A O4' C1' N1 DC DC DC 14 14 14 N N Solution NMR structure of a DNA hairpin formed by pure CTG repeats 1 N N 2 N N 2 N N 2 N N 2 N N 2 N N 2 N N 2 N N 2 N N 2 N N 2 N N 2 N N 2 N N 2 N N metalc 2.401 A DC 2 A OP1 DC 2 1_555 A NA 106 G NA NA 1_555 metalc 2.364 A DC 2 A OP2 DC 2 1_555 A NA 106 G NA NA 1_555 metalc 2.352 A DT 3 A OP1 DT 3 1_555 A NA 109 J NA NA 1_555 metalc 2.732 A DT 3 A O5' DT 3 1_555 A NA 109 J NA NA 1_555 metalc 2.460 A DG 4 A OP1 DG 4 1_555 A NA 109 J NA NA 1_555 metalc 2.473 A DG 4 A OP2 DG 4 1_555 A NA 109 J NA NA 1_555 metalc 2.365 A DC 5 A OP1 DC 5 1_555 A NA 107 H NA NA 1_555 metalc 2.389 A DC 5 A OP2 DC 5 1_555 A NA 107 H NA NA 1_555 metalc 2.367 A DT 6 A O4 DT 6 1_555 A NA 101 B NA NA 1_555 metalc 2.670 A DT 6 A O2 DT 6 1_555 A NA 103 D NA NA 1_555 metalc 3.183 A DT 6 A OP1 DT 6 1_555 A NA 104 E NA NA 1_555 metalc 2.324 A DT 6 A OP2 DT 6 1_555 A NA 104 E NA NA 1_555 metalc 2.279 A DT 6 A OP1 DT 6 1_555 A NA 113 N NA NA 1_555 metalc 2.398 A DG 7 A O6 DG 7 1_555 A NA 101 B NA NA 1_555 metalc 2.364 A DG 7 A OP1 DG 7 1_555 A NA 103 D NA NA 1_555 metalc 2.386 A DG 7 A O5' DG 7 1_555 A NA 103 D NA NA 1_555 metalc 2.251 A DG 7 A OP2 DG 7 1_555 A NA 111 L NA NA 1_555 metalc 2.424 A DC 8 A OP1 DC 8 1_555 A NA 105 F NA NA 1_555 metalc 2.380 A DC 8 A OP2 DC 8 1_555 A NA 105 F NA NA 1_555 metalc 2.517 A DT 9 A O4 DT 9 1_555 A NA 101 B NA NA 1_555 metalc 2.360 A DT 9 A OP1 DT 9 1_555 A NA 102 C NA NA 1_555 metalc 2.390 A DT 9 A OP2 DT 9 1_555 A NA 102 C NA NA 1_555 metalc 2.302 A DT 9 A O2 DT 9 1_555 A NA 103 D NA NA 1_555 metalc 2.249 A DG 10 A OP1 DG 10 1_555 A NA 112 M NA NA 1_555 metalc 2.545 A DC 11 A O3' DC 11 1_555 A NA 111 L NA NA 1_555 metalc 2.256 A DC 11 A OP1 DC 11 1_555 A NA 112 M NA NA 1_555 metalc 2.246 A DT 12 A OP2 DT 12 1_555 A NA 108 I NA NA 1_555 metalc 2.291 A DT 12 A OP1 DT 12 1_555 A NA 111 L NA NA 1_555 metalc 2.432 A DT 12 A O3' DT 12 1_555 A NA 113 N NA NA 1_555 metalc 2.313 A DG 13 A OP1 DG 13 1_555 A NA 104 E NA NA 1_555 metalc 3.122 A DG 13 A OP2 DG 13 1_555 A NA 104 E NA NA 1_555 metalc 2.380 A DG 13 A OP1 DG 13 1_555 A NA 113 N NA NA 1_555 metalc 2.403 A DC 14 A OP1 DC 14 1_555 A NA 110 K NA NA 1_555 metalc 2.354 A DC 14 A OP2 DC 14 1_555 A NA 110 K NA NA 1_555 hydrog WATSON-CRICK A DG 1 A N1 DG 1 1_555 A DC 14 A N3 DC 14 1_555 hydrog WATSON-CRICK A DG 1 A N2 DG 1 1_555 A DC 14 A O2 DC 14 1_555 hydrog WATSON-CRICK A DG 1 A O6 DG 1 1_555 A DC 14 A N4 DC 14 1_555 hydrog WATSON-CRICK A DC 2 A N3 DC 2 1_555 A DG 13 A N1 DG 13 1_555 hydrog WATSON-CRICK A DC 2 A N4 DC 2 1_555 A DG 13 A O6 DG 13 1_555 hydrog WATSON-CRICK A DC 2 A O2 DC 2 1_555 A DG 13 A N2 DG 13 1_555 hydrog TYPE_16_PAIR A DT 3 A N3 DT 3 1_555 A DT 12 A O4 DT 12 1_555 hydrog TYPE_16_PAIR A DT 3 A O2 DT 3 1_555 A DT 12 A N3 DT 12 1_555 hydrog WATSON-CRICK A DG 4 A N1 DG 4 1_555 A DC 11 A N3 DC 11 1_555 hydrog WATSON-CRICK A DG 4 A N2 DG 4 1_555 A DC 11 A O2 DC 11 1_555 hydrog WATSON-CRICK A DG 4 A O6 DG 4 1_555 A DC 11 A N4 DC 11 1_555 hydrog WATSON-CRICK A DC 5 A N3 DC 5 1_555 A DG 10 A N1 DG 10 1_555 hydrog WATSON-CRICK A DC 5 A N4 DC 5 1_555 A DG 10 A O6 DG 10 1_555 hydrog WATSON-CRICK A DC 5 A O2 DC 5 1_555 A DG 10 A N2 DG 10 1_555 hydrog TYPE_16_PAIR A DT 6 A N3 DT 6 1_555 A DT 9 A O4 DT 9 1_555 hydrog TYPE_16_PAIR A DT 6 A O2 DT 6 1_555 A DT 9 A N3 DT 9 1_555 DNA hairpin, CTG repeat expansion, myotonic dystrophy type 1, DNA 8X4F PDB 1 1 8X4F 1 14 8X4F 1 14 8X4F A 1 1 14