1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Patel, P.K. Bhavesh, N.S. Hosur, R.V. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 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 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 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 Biochem.Biophys.Res.Commun. BBRCA9 0146 0006-291X 270 967 971 10.1006/bbrc.2000.2479 10772934 NMR observation of a novel C-tetrad in the structure of the SV40 repeat sequence GGGCGG. 2000 10.2210/pdb1evo/pdb pdb_00001evo 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 PARALLEL STRANDED DNA QUDRUPLEX INCORPORATING C-TETRAD 2498.639 DNA (5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3') 4 syn polymer no no (DT)(DG)(DG)(DG)(DC)(DG)(DG)(DT) TGGGCGGT O,P,Q,R polydeoxyribonucleotide n n n n n n n n database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list chem_comp_atom chem_comp_bond repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations Data collection 1 0 2000-05-01 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-16 1 4 2024-05-22 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name RCSB Y RCSB 2000-04-20 REL Temperatyre dependent 1D spectra. Temperature was varied between -5 and 50 C all calculated structures submitted 10 10 2D NOESY 2D NOESY 2D TOCSY DQF-COSY 7.0 1 atm K 7.0 1 atm K After simulated annealing-restrained molecular dynamics 16 structures for the quadruplex were selected on the basis of proper covalent geometries, symmetries and low energies for relaxation matrix refinement using IRMA (Iterative Relxation Matrix Analysis) protocol in DISCOVER. The input data included NOEs from 80, 120, 200 and 300 ms NOESY spectra. Three to four sets of calculations were performed by choosing different reference peaks for intensity normalizations. The isotropic correlation time was optimized for best NOE fits, which yielded a value of 5.0 ns.Finally 10 convergent quadruplex structures were selected on the basis of R1-factor and symmetry Relaxaxtion matrix refinement 1 closest to the average 10 mM sodium phosphate, 0.2 mM EDTA and 200 mM NaCl 90% H2O/10% D2O 10 mM sodium phosphate, 0.2 mM EDTA and 200 mM NaCl D2O Varian collection VNMR 6.1 Varian processing VNMR 6.1 BIOSYM processing Felix 230 and 97 BIOSYM structure solution Discover 3.1 BIOSYM refinement IRMA 2.3 600 Varian UNITYPLUS T 301 n 1 DT 301 O G 302 n 2 DG 302 O G 303 n 3 DG 303 O G 304 n 4 DG 304 O C 305 n 5 DC 305 O G 306 n 6 DG 306 O G 307 n 7 DG 307 O T 308 n 8 DT 308 O T 101 n 1 DT 101 P G 102 n 2 DG 102 P G 103 n 3 DG 103 P G 104 n 4 DG 104 P C 105 n 5 DC 105 P G 106 n 6 DG 106 P G 107 n 7 DG 107 P T 108 n 8 DT 108 P T 201 n 1 DT 201 Q G 202 n 2 DG 202 Q G 203 n 3 DG 203 Q G 204 n 4 DG 204 Q C 205 n 5 DC 205 Q G 206 n 6 DG 206 Q G 207 n 7 DG 207 Q T 208 n 8 DT 208 Q T 401 n 1 DT 401 R G 402 n 2 DG 402 R G 403 n 3 DG 403 R G 404 n 4 DG 404 R C 405 n 5 DC 405 R G 406 n 6 DG 406 R G 407 n 7 DG 407 R T 408 n 8 DT 408 R author_defined_assembly 4 tetrameric 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 2.09 0.30 108.30 110.39 O O O O4' C1' N1 DC DC DC 305 305 305 N 1 2.01 0.30 108.30 110.31 O O O O4' C1' N1 DT DT DT 308 308 308 N 1 -3.89 0.60 122.90 119.01 O O O C6 C5 C7 DT DT DT 308 308 308 N 1 -5.12 0.80 105.90 100.78 P P P O4' C1' C2' DG DG DG 104 104 104 N 1 2.67 0.30 108.30 110.97 P P P O4' C1' N1 DC DC DC 105 105 105 N 1 2.20 0.30 108.30 110.50 P P P O4' C1' N1 DT DT DT 108 108 108 N 1 -4.64 0.60 122.90 118.26 P P P C6 C5 C7 DT DT DT 108 108 108 N 1 8.47 1.40 114.30 122.77 Q Q Q N1 C1' C2' DT DT DT 201 201 201 N 1 -4.82 0.80 105.90 101.08 Q Q Q O4' C1' C2' DG DG DG 202 202 202 N 1 -4.82 0.80 105.90 101.08 Q Q Q O4' C1' C2' DG DG DG 204 204 204 N 1 -4.00 0.60 122.90 118.90 Q Q Q C6 C5 C7 DT DT DT 208 208 208 N 1 -4.90 0.80 105.90 101.00 R R R O4' C1' C2' DG DG DG 404 404 404 N 1 4.13 0.30 108.30 112.43 R R R O4' C1' N1 DC DC DC 405 405 405 N 1 2.95 0.30 108.30 111.25 R R R O4' C1' N1 DT DT DT 408 408 408 N 1 -4.87 0.60 122.90 118.03 R R R C6 C5 C7 DT DT DT 408 408 408 N 2 -4.82 0.80 105.90 101.08 O O O O4' C1' C2' DG DG DG 302 302 302 N 2 -4.92 0.80 105.90 100.98 O O O O4' C1' C2' DG DG DG 304 304 304 N 2 2.76 0.30 108.30 111.06 O O O O4' C1' N1 DC DC DC 305 305 305 N 2 2.39 0.30 108.30 110.69 O O O O4' C1' N1 DT DT DT 308 308 308 N 2 -4.34 0.60 122.90 118.56 O O O C6 C5 C7 DT DT DT 308 308 308 N 2 -5.01 0.80 105.90 100.89 P P P O4' C1' C2' DG DG DG 104 104 104 N 2 1.88 0.30 108.30 110.18 P P P O4' C1' N1 DC DC DC 105 105 105 N 2 2.22 0.30 108.30 110.52 P P P O4' C1' N1 DT DT DT 108 108 108 N 2 -4.27 0.60 122.90 118.63 P P P C6 C5 C7 DT DT DT 108 108 108 N 2 -5.10 0.80 105.90 100.80 Q Q Q O4' C1' C2' DG DG DG 202 202 202 N 2 2.52 0.30 108.30 110.82 Q Q Q O4' C1' N1 DT DT DT 208 208 208 N 2 -4.45 0.60 122.90 118.45 Q Q Q C6 C5 C7 DT DT DT 208 208 208 N 2 -4.83 0.80 105.90 101.07 R R R O4' C1' C2' DG DG DG 404 404 404 N 2 2.60 0.30 108.30 110.90 R R R O4' C1' N1 DT DT DT 408 408 408 N 2 -4.39 0.60 122.90 118.51 R R R C6 C5 C7 DT DT DT 408 408 408 N 3 -4.87 0.80 105.90 101.03 O O O O4' C1' C2' DG DG DG 304 304 304 N 3 2.00 0.30 108.30 110.30 O O O O4' C1' N1 DC DC DC 305 305 305 N 3 2.92 0.30 108.30 111.22 O O O O4' C1' N1 DT DT DT 308 308 308 N 3 -4.38 0.60 122.90 118.52 O O O C6 C5 C7 DT DT DT 308 308 308 N 3 -5.12 0.80 105.90 100.78 P P P O4' C1' C2' DG DG DG 104 104 104 N 3 2.28 0.30 108.30 110.58 P P P O4' C1' N1 DC DC DC 105 105 105 N 3 2.55 0.30 108.30 110.85 P P P O4' C1' N1 DT DT DT 108 108 108 N 3 -4.06 0.60 122.90 118.84 P P P C6 C5 C7 DT DT DT 108 108 108 N 3 2.37 0.30 108.30 110.67 Q Q Q O4' C1' N1 DT DT DT 208 208 208 N 3 -4.23 0.60 122.90 118.67 Q Q Q C6 C5 C7 DT DT DT 208 208 208 N 3 -5.02 0.80 105.90 100.88 R R R O4' C1' C2' DG DG DG 402 402 402 N 3 -5.05 0.80 105.90 100.85 R R R O4' C1' C2' DG DG DG 404 404 404 N 3 2.66 0.30 108.30 110.96 R R R O4' C1' N1 DT DT DT 408 408 408 N 3 -4.36 0.60 122.90 118.54 R R R C6 C5 C7 DT DT DT 408 408 408 N 4 8.41 1.40 114.30 122.71 O O O N1 C1' C2' DT DT DT 301 301 301 N 4 -5.13 0.80 105.90 100.77 O O O O4' C1' C2' DG DG DG 302 302 302 N 4 2.41 0.30 108.30 110.71 O O O O4' C1' N1 DC DC DC 305 305 305 N 4 1.94 0.30 108.30 110.24 O O O O4' C1' N1 DT DT DT 308 308 308 N 4 -4.50 0.60 122.90 118.40 O O O C6 C5 C7 DT DT DT 308 308 308 N 4 -5.03 0.80 105.90 100.87 P P P O4' C1' C2' DT DT DT 101 101 101 N 4 -4.88 0.80 105.90 101.02 P P P O4' C1' C2' DG DG DG 104 104 104 N 4 2.61 0.30 108.30 110.91 P P P O4' C1' N1 DC DC DC 105 105 105 N 4 2.51 0.30 108.30 110.81 P P P O4' C1' N1 DT DT DT 108 108 108 N 4 -3.79 0.60 122.90 119.11 P P P C6 C5 C7 DT DT DT 108 108 108 N 4 -5.00 0.80 105.90 100.90 Q Q Q O4' C1' C2' DG DG DG 204 204 204 N 4 2.02 0.30 108.30 110.32 Q Q Q O4' C1' N1 DC DC DC 205 205 205 N 4 2.97 0.30 108.30 111.27 Q Q Q O4' C1' N1 DT DT DT 208 208 208 N 4 -4.75 0.60 122.90 118.15 Q Q Q C6 C5 C7 DT DT DT 208 208 208 N 4 -5.20 0.80 105.90 100.70 R R R O4' C1' C2' DT DT DT 401 401 401 N 4 8.51 1.40 114.30 122.81 R R R N1 C1' C2' DT DT DT 401 401 401 N 4 -4.84 0.80 105.90 101.06 R R R O4' C1' C2' DG DG DG 402 402 402 N 4 2.56 0.30 108.30 110.86 R R R O4' C1' N1 DC DC DC 405 405 405 N 4 2.07 0.30 108.30 110.37 R R R O4' C1' N1 DT DT DT 408 408 408 N 4 -4.04 0.60 122.90 118.86 R R R C6 C5 C7 DT DT DT 408 408 408 N 5 -5.02 0.80 105.90 100.88 O O O O4' C1' C2' DG DG DG 304 304 304 N 5 2.09 0.30 108.30 110.39 O O O O4' C1' N1 DT DT DT 308 308 308 N 5 -4.25 0.60 122.90 118.65 O O O C6 C5 C7 DT DT DT 308 308 308 N 5 -4.84 0.80 105.90 101.06 P P P O4' C1' C2' DG DG DG 104 104 104 N 5 2.37 0.30 108.30 110.67 P P P O4' C1' N1 DC DC DC 105 105 105 N 5 2.34 0.30 108.30 110.64 P P P O4' C1' N1 DT DT DT 108 108 108 N 5 -4.16 0.60 122.90 118.74 P P P C6 C5 C7 DT DT DT 108 108 108 N 5 -5.01 0.80 105.90 100.89 Q Q Q O4' C1' C2' DG DG DG 204 204 204 N 5 2.22 0.30 108.30 110.52 Q Q Q O4' C1' N1 DT DT DT 208 208 208 N 5 -4.22 0.60 122.90 118.68 Q Q Q C6 C5 C7 DT DT DT 208 208 208 N 5 -4.90 0.80 105.90 101.00 R R R O4' C1' C2' DG DG DG 404 404 404 N 5 2.05 0.30 108.30 110.35 R R R O4' C1' N1 DC DC DC 405 405 405 N 5 2.39 0.30 108.30 110.69 R R R O4' C1' N1 DT DT DT 408 408 408 N 5 -4.02 0.60 122.90 118.88 R R R C6 C5 C7 DT DT DT 408 408 408 N 6 4.17 0.30 108.30 112.47 O O O O4' C1' N1 DC DC DC 305 305 305 N 6 2.52 0.30 108.30 110.82 O O O O4' C1' N1 DT DT DT 308 308 308 N 6 -4.27 0.60 122.90 118.63 O O O C6 C5 C7 DT DT DT 308 308 308 N 6 -4.93 0.80 105.90 100.97 P P P O4' C1' C2' DG DG DG 102 102 102 N 6 -5.00 0.80 105.90 100.90 P P P O4' C1' C2' DG DG DG 104 104 104 N 6 2.10 0.30 108.30 110.40 P P P O4' C1' N1 DC DC DC 105 105 105 N 6 2.41 0.30 108.30 110.71 P P P O4' C1' N1 DT DT DT 108 108 108 N 6 -4.25 0.60 122.90 118.65 P P P C6 C5 C7 DT DT DT 108 108 108 N 6 -5.01 0.80 105.90 100.89 Q Q Q O4' C1' C2' DG DG DG 204 204 204 N 6 1.82 0.30 108.30 110.12 Q Q Q O4' C1' N1 DC DC DC 205 205 205 N 6 2.43 0.30 108.30 110.73 Q Q Q O4' C1' N1 DT DT DT 208 208 208 N 6 -3.95 0.60 122.90 118.95 Q Q Q C6 C5 C7 DT DT DT 208 208 208 N 6 -4.95 0.80 105.90 100.95 R R R O4' C1' C2' DG DG DG 404 404 404 N 6 2.33 0.30 108.30 110.63 R R R O4' C1' N1 DC DC DC 405 405 405 N 6 2.25 0.30 108.30 110.55 R R R O4' C1' N1 DT DT DT 408 408 408 N 6 -4.13 0.60 122.90 118.77 R R R C6 C5 C7 DT DT DT 408 408 408 N 7 2.46 0.30 108.30 110.76 O O O O4' C1' N1 DT DT DT 308 308 308 N 7 -4.27 0.60 122.90 118.63 O O O C6 C5 C7 DT DT DT 308 308 308 N 7 8.47 1.40 114.30 122.77 P P P N1 C1' C2' DT DT DT 101 101 101 N 7 -5.09 0.80 105.90 100.81 P P P O4' C1' C2' DG DG DG 104 104 104 N 7 2.54 0.30 108.30 110.84 P P P O4' C1' N1 DT DT DT 108 108 108 N 7 -4.30 0.60 122.90 118.60 P P P C6 C5 C7 DT DT DT 108 108 108 N 7 2.52 0.30 108.30 110.82 Q Q Q O4' C1' N1 DT DT DT 208 208 208 N 7 -4.16 0.60 122.90 118.74 Q Q Q C6 C5 C7 DT DT DT 208 208 208 N 7 -5.05 0.80 105.90 100.85 R R R O4' C1' C2' DG DG DG 402 402 402 N 7 -4.91 0.80 105.90 100.99 R R R O4' C1' C2' DG DG DG 404 404 404 N 7 2.17 0.30 108.30 110.47 R R R O4' C1' N1 DT DT DT 408 408 408 N 7 -4.10 0.60 122.90 118.80 R R R C6 C5 C7 DT DT DT 408 408 408 N 8 -4.80 0.80 105.90 101.10 O O O O4' C1' C2' DG DG DG 304 304 304 N 8 2.35 0.30 108.30 110.65 O O O O4' C1' N1 DT DT DT 308 308 308 N 8 -4.19 0.60 122.90 118.71 O O O C6 C5 C7 DT DT DT 308 308 308 N 8 -5.02 0.80 105.90 100.88 P P P O4' C1' C2' DG DG DG 102 102 102 N 8 -4.90 0.80 105.90 101.00 P P P O4' C1' C2' DG DG DG 104 104 104 N 8 2.23 0.30 108.30 110.53 P P P O4' C1' N1 DT DT DT 108 108 108 N 8 -4.30 0.60 122.90 118.60 P P P C6 C5 C7 DT DT DT 108 108 108 N 8 -4.91 0.80 105.90 100.99 Q Q Q O4' C1' C2' DG DG DG 202 202 202 N 8 -4.13 0.60 122.90 118.77 Q Q Q C6 C5 C7 DT DT DT 208 208 208 N 8 -4.90 0.80 105.90 101.00 R R R O4' C1' C2' DG DG DG 402 402 402 N 8 2.25 0.30 108.30 110.55 R R R O4' C1' N1 DT DT DT 408 408 408 N 8 -4.29 0.60 122.90 118.61 R R R C6 C5 C7 DT DT DT 408 408 408 N 9 -4.84 0.80 105.90 101.06 O O O O4' C1' C2' DT DT DT 301 301 301 N 9 -4.86 0.80 105.90 101.04 O O O O4' C1' C2' DG DG DG 302 302 302 N 9 -4.96 0.80 105.90 100.94 O O O O4' C1' C2' DG DG DG 304 304 304 N 9 2.55 0.30 108.30 110.85 O O O O4' C1' N1 DC DC DC 305 305 305 N 9 2.53 0.30 108.30 110.83 O O O O4' C1' N1 DT DT DT 308 308 308 N 9 -4.26 0.60 122.90 118.64 O O O C6 C5 C7 DT DT DT 308 308 308 N 9 -4.86 0.80 105.90 101.04 P P P O4' C1' C2' DG DG DG 104 104 104 N 9 2.38 0.30 108.30 110.68 P P P O4' C1' N1 DT DT DT 108 108 108 N 9 -4.39 0.60 122.90 118.51 P P P C6 C5 C7 DT DT DT 108 108 108 N 9 -4.88 0.80 105.90 101.02 Q Q Q O4' C1' C2' DG DG DG 202 202 202 N 9 -4.85 0.80 105.90 101.05 Q Q Q O4' C1' C2' DG DG DG 204 204 204 N 9 2.28 0.30 108.30 110.58 Q Q Q O4' C1' N1 DT DT DT 208 208 208 N 9 -4.26 0.60 122.90 118.64 Q Q Q C6 C5 C7 DT DT DT 208 208 208 N 9 -5.06 0.80 105.90 100.84 R R R O4' C1' C2' DG DG DG 402 402 402 N 9 -5.02 0.80 105.90 100.88 R R R O4' C1' C2' DG DG DG 404 404 404 N 9 3.54 0.30 108.30 111.84 R R R O4' C1' N1 DC DC DC 405 405 405 N 9 2.71 0.30 108.30 111.01 R R R O4' C1' N1 DT DT DT 408 408 408 N 9 -4.55 0.60 122.90 118.35 R R R C6 C5 C7 DT DT DT 408 408 408 N 10 -4.87 0.80 105.90 101.03 O O O O4' C1' C2' DG DG DG 302 302 302 N 10 -4.83 0.80 105.90 101.07 O O O O4' C1' C2' DG DG DG 304 304 304 N 10 4.22 0.30 108.30 112.52 O O O O4' C1' N1 DC DC DC 305 305 305 N 10 2.51 0.30 108.30 110.81 O O O O4' C1' N1 DT DT DT 308 308 308 N 10 -4.43 0.60 122.90 118.47 O O O C6 C5 C7 DT DT DT 308 308 308 N 10 -4.82 0.80 105.90 101.08 P P P O4' C1' C2' DG DG DG 104 104 104 N 10 2.31 0.30 108.30 110.61 P P P O4' C1' N1 DT DT DT 108 108 108 N 10 -4.56 0.60 122.90 118.34 P P P C6 C5 C7 DT DT DT 108 108 108 N 10 2.38 0.30 108.30 110.68 Q Q Q O4' C1' N1 DT DT DT 201 201 201 N 10 -4.95 0.80 105.90 100.95 Q Q Q O4' C1' C2' DG DG DG 202 202 202 N 10 -4.91 0.80 105.90 100.99 Q Q Q O4' C1' C2' DG DG DG 204 204 204 N 10 3.83 0.30 108.30 112.13 Q Q Q O4' C1' N1 DC DC DC 205 205 205 N 10 2.44 0.30 108.30 110.74 Q Q Q O4' C1' N1 DT DT DT 208 208 208 N 10 -4.26 0.60 122.90 118.64 Q Q Q C6 C5 C7 DT DT DT 208 208 208 N 10 -5.13 0.80 105.90 100.77 R R R O4' C1' C2' DG DG DG 404 404 404 N 10 2.61 0.30 108.30 110.91 R R R O4' C1' N1 DC DC DC 405 405 405 N 10 2.43 0.30 108.30 110.73 R R R O4' C1' N1 DT DT DT 408 408 408 N 10 -4.45 0.60 122.90 118.45 R R R C6 C5 C7 DT DT DT 408 408 408 N NMR OBSERVATION OF A NOVEL C-TETRAD 1 N N 1 N N 1 N N 1 N N hydrog TYPE_6_PAIR O DG 302 A N1 DG 2 1_555 Q DG 202 C O6 DG 2 1_555 hydrog TYPE_6_PAIR O DG 302 A N2 DG 2 1_555 Q DG 202 C N7 DG 2 1_555 hydrog TYPE_6_PAIR O DG 302 A N7 DG 2 1_555 R DG 402 D N2 DG 2 1_555 hydrog TYPE_6_PAIR O DG 302 A O6 DG 2 1_555 R DG 402 D N1 DG 2 1_555 hydrog TYPE_6_PAIR O DG 303 A N1 DG 3 1_555 Q DG 203 C O6 DG 3 1_555 hydrog TYPE_6_PAIR O DG 303 A N2 DG 3 1_555 Q DG 203 C N7 DG 3 1_555 hydrog TYPE_6_PAIR O DG 303 A N7 DG 3 1_555 R DG 403 D N2 DG 3 1_555 hydrog TYPE_6_PAIR O DG 303 A O6 DG 3 1_555 R DG 403 D N1 DG 3 1_555 hydrog TYPE_6_PAIR O DG 304 A N1 DG 4 1_555 Q DG 204 C O6 DG 4 1_555 hydrog TYPE_6_PAIR O DG 304 A N2 DG 4 1_555 Q DG 204 C N7 DG 4 1_555 hydrog TYPE_6_PAIR O DG 304 A N7 DG 4 1_555 R DG 404 D N2 DG 4 1_555 hydrog TYPE_6_PAIR O DG 304 A O6 DG 4 1_555 R DG 404 D N1 DG 4 1_555 hydrog DC-DC MISPAIR O DC 305 A O2 DC 5 1_555 Q DC 205 C N4 DC 5 1_555 hydrog DC-DC MISPAIR O DC 305 A N4 DC 5 1_555 R DC 405 D O2 DC 5 1_555 hydrog TYPE_6_PAIR O DG 306 A N1 DG 6 1_555 Q DG 206 C O6 DG 6 1_555 hydrog TYPE_6_PAIR O DG 306 A N2 DG 6 1_555 Q DG 206 C N7 DG 6 1_555 hydrog TYPE_6_PAIR O DG 306 A N7 DG 6 1_555 R DG 406 D N2 DG 6 1_555 hydrog TYPE_6_PAIR O DG 306 A O6 DG 6 1_555 R DG 406 D N1 DG 6 1_555 hydrog TYPE_6_PAIR O DG 307 A N1 DG 7 1_555 Q DG 207 C O6 DG 7 1_555 hydrog TYPE_6_PAIR O DG 307 A N2 DG 7 1_555 Q DG 207 C N7 DG 7 1_555 hydrog TYPE_6_PAIR O DG 307 A N7 DG 7 1_555 R DG 407 D N2 DG 7 1_555 hydrog TYPE_6_PAIR O DG 307 A O6 DG 7 1_555 R DG 407 D N1 DG 7 1_555 hydrog DT-DT MISPAIR O DT 308 A N3 DT 8 1_555 Q DT 208 C O4 DT 8 1_555 hydrog DT-DT MISPAIR O DT 308 A O4 DT 8 1_555 R DT 408 D N3 DT 8 1_555 hydrog TYPE_6_PAIR P DG 102 B N7 DG 2 1_555 Q DG 202 C N2 DG 2 1_555 hydrog TYPE_6_PAIR P DG 102 B O6 DG 2 1_555 Q DG 202 C N1 DG 2 1_555 hydrog TYPE_6_PAIR P DG 102 B N1 DG 2 1_555 R DG 402 D O6 DG 2 1_555 hydrog TYPE_6_PAIR P DG 102 B N2 DG 2 1_555 R DG 402 D N7 DG 2 1_555 hydrog TYPE_6_PAIR P DG 103 B N7 DG 3 1_555 Q DG 203 C N2 DG 3 1_555 hydrog TYPE_6_PAIR P DG 103 B O6 DG 3 1_555 Q DG 203 C N1 DG 3 1_555 hydrog TYPE_6_PAIR P DG 103 B N1 DG 3 1_555 R DG 403 D O6 DG 3 1_555 hydrog TYPE_6_PAIR P DG 103 B N2 DG 3 1_555 R DG 403 D N7 DG 3 1_555 hydrog TYPE_6_PAIR P DG 104 B N7 DG 4 1_555 Q DG 204 C N2 DG 4 1_555 hydrog TYPE_6_PAIR P DG 104 B O6 DG 4 1_555 Q DG 204 C N1 DG 4 1_555 hydrog TYPE_6_PAIR P DG 104 B N1 DG 4 1_555 R DG 404 D O6 DG 4 1_555 hydrog TYPE_6_PAIR P DG 104 B N2 DG 4 1_555 R DG 404 D N7 DG 4 1_555 hydrog DC-DC MISPAIR P DC 105 B N4 DC 5 1_555 Q DC 205 C O2 DC 5 1_555 hydrog DC-DC MISPAIR P DC 105 B O2 DC 5 1_555 R DC 405 D N4 DC 5 1_555 hydrog TYPE_6_PAIR P DG 106 B N7 DG 6 1_555 Q DG 206 C N2 DG 6 1_555 hydrog TYPE_6_PAIR P DG 106 B O6 DG 6 1_555 Q DG 206 C N1 DG 6 1_555 hydrog TYPE_6_PAIR P DG 106 B N1 DG 6 1_555 R DG 406 D O6 DG 6 1_555 hydrog TYPE_6_PAIR P DG 106 B N2 DG 6 1_555 R DG 406 D N7 DG 6 1_555 hydrog TYPE_6_PAIR P DG 107 B N7 DG 7 1_555 Q DG 207 C N2 DG 7 1_555 hydrog TYPE_6_PAIR P DG 107 B O6 DG 7 1_555 Q DG 207 C N1 DG 7 1_555 hydrog TYPE_6_PAIR P DG 107 B N1 DG 7 1_555 R DG 407 D O6 DG 7 1_555 hydrog TYPE_6_PAIR P DG 107 B N2 DG 7 1_555 R DG 407 D N7 DG 7 1_555 hydrog DT-DT MISPAIR P DT 108 B O4 DT 8 1_555 Q DT 208 C N3 DT 8 1_555 hydrog DT-DT MISPAIR P DT 108 B N3 DT 8 1_555 R DT 408 D O4 DT 8 1_555 DNA NMR structure; G-quadruplex; C-tetrad; GGGCGG repeat, SV40, DNA 1EVO PDB 1 1EVO 301 308 1EVO 301 308 1EVO O 1 1 8 101 108 1EVO 101 108 1EVO P 1 1 8 201 208 1EVO 201 208 1EVO Q 1 1 8 401 408 1EVO 401 408 1EVO R 1 1 8 1 P 1