1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Escaja, N. Pedroso, E. Rico, M. Gonzalez, C. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 C10 H14 N5 O6 P 331.222 y 2'-DEOXYADENOSINE-5'-MONOPHOSPHATE DNA linking C9 H14 N3 O7 P 307.197 y 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE DNA linking C10 H15 N2 O8 P 322.208 y THYMIDINE-5'-MONOPHOSPHATE DNA linking US J.Am.Chem.Soc. JACSAT 0004 0002-7863 122 12732 12742 10.1021/ja002778q -1 Dimeric Solution Structure of Two Cyclic Octamers: Four-Stranded DNA Structures Stabilized by A:T:A:T and G:C:G:C 2000 JACSAT US J.Am.Chem.Soc. JACSAT 0004 0002-7863 120 2176 2177 10.1021/ja973691g NMR Structure of Two Cyclic Oligonucleotides. A Monomer Dimer Equilibrium between DumbellL and Quadruplex Structures 1998 10.2210/pdb1eu6/pdb pdb_00001eu6 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 2376.591 CYCLIC OLIGONUCLEOTIDE D(CATTCATT) 2 syn polymer no no (DC)(DA)(DT)(DT)(DC)(DA)(DT)(DT) CATTCATT A,B polydeoxyribonucleotide n n n n n n n n 2.457 1 20 A 2 B 3 -0.780 A_DA2:DT3_B 1 -6.290 -0.120 -0.117 -0.200 5.189 1 20 A 3 B 2 -3.536 A_DT3:DA2_B 2 -6.122 0.093 -0.173 -0.160 -3.707 1 20 A 6 B 7 5.332 A_DA6:DT7_B 3 -5.710 0.151 -0.241 -0.159 -0.853 1 20 A 7 B 6 0.522 A_DT7:DA6_B 4 -1.368 -0.175 -0.016 -0.137 3.284 26.494 A A 2 3 -4.510 B B 3 2 3.152 -2.064 -0.325 -1.693 AA_DA2DT3:DA2DT3_BB 1 -1.300 2.840 26.383 -3.156 0.371 3.255 23.887 A A 6 7 -5.221 B B 7 6 3.142 -2.155 -0.272 -1.279 AA_DA6DT7:DA6DT7_BB 2 -2.386 5.782 23.673 -2.399 -0.108 database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list struct_conn repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2001-01-24 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _struct_conn.pdbx_leaving_atom_flag _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id dimeric structure of cyclic d(TGCTCGCT) 1H assigments of the dimeric form of cyclic d(TGCTCGCT) RCSB Y RCSB 2000-04-14 REL all calculated structures submitted 10 10 2D NOESY DQF-COSY ROESY TOCSY 0.01 7.0 1 atm 293 K see reference relaxation matrix, restrained molecular dynamics 20mM oligonucleotide concentration, 25mM buffer phosphate either 100% D2O or 90% H2O 10% D2O Bruker collection XwinNMR 1.3 Bartels et al. data analysis XEASY 1.0 P. Guntert et al. structure solution DYANA 1.5 T.L. James structure solution MARDIGRAS 4.0 P. Guntert et al. refinement DYANA 1.5 D. Pearlman refinement Amber 4.1 600 Bruker AMX C 1 n 1 DC 1 A A 2 n 2 DA 2 A T 3 n 3 DT 3 A T 4 n 4 DT 4 A C 5 n 5 DC 5 A A 6 n 6 DA 6 A T 7 n 7 DT 7 A T 8 n 8 DT 8 A C 1 n 1 DC 1 B A 2 n 2 DA 2 B T 3 n 3 DT 3 B T 4 n 4 DT 4 B C 5 n 5 DC 5 B A 6 n 6 DA 6 B T 7 n 7 DT 7 B T 8 n 8 DT 8 B author_defined_assembly 2 dimeric 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 10 B C1' DC 5 WRONG HAND 1 A DA 2 0.084 SIDE CHAIN 1 B DA 2 0.156 SIDE CHAIN 1 B DA 6 0.089 SIDE CHAIN 2 A DT 3 0.072 SIDE CHAIN 3 A DA 2 0.069 SIDE CHAIN 3 B DA 2 0.063 SIDE CHAIN 4 B DT 3 0.075 SIDE CHAIN 6 A DA 2 0.104 SIDE CHAIN 6 A DT 7 0.068 SIDE CHAIN 6 B DA 6 0.120 SIDE CHAIN 6 B DT 7 0.069 SIDE CHAIN 7 A DT 8 0.075 SIDE CHAIN 7 B DT 8 0.076 SIDE CHAIN 8 A DA 6 0.089 SIDE CHAIN 9 A DA 2 0.084 SIDE CHAIN 9 B DT 3 0.068 SIDE CHAIN 9 B DT 7 0.075 SIDE CHAIN 10 A DA 2 0.070 SIDE CHAIN 10 A DT 3 0.066 SIDE CHAIN 10 A DT 4 0.065 SIDE CHAIN 10 A DT 7 0.070 SIDE CHAIN 10 B DA 2 0.061 SIDE CHAIN 1 -14.55 1.90 104.00 89.45 A A A O3' P O5' DC DA DA 1 2 2 Y 1 7.72 0.30 108.30 116.02 A A A O4' C1' N9 DA DA DA 2 2 2 N 1 1.82 0.30 108.30 110.12 A A A O4' C1' N1 DT DT DT 3 3 3 N 1 -5.66 0.60 122.90 117.24 A A A C6 C5 C7 DT DT DT 3 3 3 N 1 3.46 0.30 108.30 111.76 A A A O4' C1' N1 DT DT DT 4 4 4 N 1 3.46 0.50 106.80 110.26 A A A O4' C1' C2' DA DA DA 6 6 6 N 1 -5.68 0.60 122.90 117.22 A A A C6 C5 C7 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 8 8 8 N 1 9.50 0.30 108.30 117.80 B B B O4' C1' N9 DA DA DA 2 2 2 N 1 2.28 0.30 108.30 110.58 B B B O4' C1' N1 DT DT DT 3 3 3 N 1 3.70 0.60 119.00 122.70 B B B C4 C5 C7 DT DT DT 3 3 3 N 1 -5.78 0.60 122.90 117.12 B B B C6 C5 C7 DT DT DT 3 3 3 N 1 2.80 0.30 108.30 111.10 B B B O4' C1' N1 DT DT DT 4 4 4 N 1 -3.65 0.60 122.90 119.25 B B B C6 C5 C7 DT DT DT 4 4 4 N 1 3.73 0.50 106.80 110.53 B B B O4' C1' C2' DA DA DA 6 6 6 N 1 4.78 0.30 108.30 113.08 B B B O4' C1' N9 DA DA DA 6 6 6 N 1 -3.10 0.50 117.00 113.90 B B B C4 C5 C6 DA DA DA 6 6 6 N 1 1.94 0.30 108.30 110.24 B B B O4' C1' N1 DT DT DT 7 7 7 N 1 3.61 0.60 119.00 122.61 B B B C4 C5 C7 DT DT DT 7 7 7 N 1 -5.68 0.60 122.90 117.22 B B B C6 C5 C7 DT DT DT 7 7 7 N 2 3.09 0.50 106.80 109.89 A A A O4' C1' C2' DA DA DA 2 2 2 N 2 -3.29 0.50 117.00 113.71 A A A C4 C5 C6 DA DA DA 2 2 2 N 2 2.75 0.30 108.30 111.05 A A A O4' C1' N1 DT DT DT 3 3 3 N 2 -5.25 0.60 122.90 117.65 A A A C6 C5 C7 DT DT DT 3 3 3 N 2 2.57 0.30 108.30 110.87 A A A O4' C1' N1 DT DT DT 4 4 4 N 2 3.63 0.50 106.80 110.43 A A A O4' C1' C2' DA DA DA 6 6 6 N 2 -3.46 0.50 117.00 113.54 A A A C4 C5 C6 DA DA DA 6 6 6 N 2 2.76 0.30 108.30 111.06 A A A O4' C1' N1 DT DT DT 7 7 7 N 2 -4.86 0.60 122.90 118.04 A A A C6 C5 C7 DT DT DT 7 7 7 N 2 2.55 0.30 108.30 110.85 A A A O4' C1' N1 DT DT DT 8 8 8 N 2 3.52 0.50 106.80 110.32 B B B O4' C1' C2' DA DA DA 2 2 2 N 2 2.49 0.30 108.30 110.79 B B B O4' C1' N9 DA DA DA 2 2 2 N 2 2.10 0.30 108.30 110.40 B B B O4' C1' N1 DT DT DT 3 3 3 N 2 -5.69 0.60 122.90 117.21 B B B C6 C5 C7 DT DT DT 3 3 3 N 2 4.01 0.30 108.30 112.31 B B B O4' C1' N1 DT DT DT 4 4 4 N 2 3.15 0.50 106.80 109.95 B B B O4' C1' C2' DA DA DA 6 6 6 N 2 3.26 0.30 108.30 111.56 B B B O4' C1' N9 DA DA DA 6 6 6 N 2 -5.32 0.60 122.90 117.58 B B B C6 C5 C7 DT DT DT 7 7 7 N 2 3.44 0.30 108.30 111.74 B B B O4' C1' N1 DT DT DT 8 8 8 N 3 -11.84 1.90 104.00 92.16 A A A O3' P O5' DC DA DA 1 2 2 Y 3 4.07 0.30 108.30 112.37 A A A O4' C1' N9 DA DA DA 2 2 2 N 3 3.15 0.30 108.30 111.45 A A A O4' C1' N1 DT DT DT 3 3 3 N 3 -5.56 0.60 122.90 117.34 A A A C6 C5 C7 DT DT DT 3 3 3 N 3 4.52 0.30 108.30 112.82 A A A O4' C1' N1 DT DT DT 4 4 4 N 3 3.78 0.50 106.80 110.58 A A A O4' C1' C2' DA DA DA 6 6 6 N 3 1.92 0.30 108.30 110.22 A A A O4' C1' N9 DA DA DA 6 6 6 N 3 -3.18 0.50 117.00 113.82 A A A C4 C5 C6 DA DA DA 6 6 6 N 3 3.63 0.60 119.00 122.63 A A A C4 C5 C7 DT DT DT 7 7 7 N 3 -5.75 0.60 122.90 117.15 A A A C6 C5 C7 DT DT DT 7 7 7 N 3 1.86 0.30 108.30 110.16 A A A O4' C1' N1 DT DT DT 8 8 8 N 3 13.09 2.00 112.30 125.39 B B B C4' C3' O3' DC DC DC 1 1 1 N 3 5.70 0.30 108.30 114.00 B B B O4' C1' N9 DA DA DA 2 2 2 N 3 2.10 0.30 108.30 110.40 B B B O4' C1' N1 DT DT DT 3 3 3 N 3 -5.46 0.60 122.90 117.44 B B B C6 C5 C7 DT DT DT 3 3 3 N 3 4.40 0.30 108.30 112.70 B B B O4' C1' N1 DT DT DT 4 4 4 N 3 2.18 0.30 108.30 110.48 B B B O4' C1' N9 DA DA DA 6 6 6 N 3 -5.50 0.60 122.90 117.40 B B B C6 C5 C7 DT DT DT 7 7 7 N 3 2.89 0.30 108.30 111.19 B B B O4' C1' N1 DT DT DT 8 8 8 N 4 3.54 0.50 106.80 110.34 A A A O4' C1' C2' DA DA DA 2 2 2 N 4 2.77 0.30 108.30 111.07 A A A O4' C1' N9 DA DA DA 2 2 2 N 4 2.05 0.30 108.30 110.35 A A A O4' C1' N1 DT DT DT 3 3 3 N 4 -5.45 0.60 122.90 117.45 A A A C6 C5 C7 DT DT DT 3 3 3 N 4 3.54 0.30 108.30 111.84 A A A O4' C1' N1 DT DT DT 4 4 4 N 4 -3.81 0.60 122.90 119.09 A A A C6 C5 C7 DT DT DT 4 4 4 N 4 2.65 0.30 108.30 110.95 A A A O4' C1' N9 DA DA DA 6 6 6 N 4 -3.17 0.50 117.00 113.83 A A A C4 C5 C6 DA DA DA 6 6 6 N 4 3.65 0.60 119.00 122.65 A A A C4 C5 C7 DT DT DT 7 7 7 N 4 -5.58 0.60 122.90 117.32 A A A C6 C5 C7 DT DT DT 7 7 7 N 4 2.39 0.30 108.30 110.69 A A A O4' C1' N1 DT DT DT 8 8 8 N 4 3.94 0.50 106.80 110.74 B B B O4' C1' C2' DA DA DA 2 2 2 N 4 -3.15 0.50 117.00 113.85 B B B C4 C5 C6 DA DA DA 2 2 2 N 4 2.95 0.30 108.30 111.25 B B B O4' C1' N1 DT DT DT 3 3 3 N 4 -5.32 0.60 122.90 117.58 B B B C6 C5 C7 DT DT DT 3 3 3 N 4 2.69 0.30 108.30 110.99 B B B O4' C1' N1 DT DT DT 4 4 4 N 4 -3.70 0.60 122.90 119.20 B B B C6 C5 C7 DT DT DT 4 4 4 N 4 -3.21 0.50 117.00 113.79 B B B C4 C5 C6 DA DA DA 6 6 6 N 4 -5.41 0.60 122.90 117.49 B B B C6 C5 C7 DT DT DT 7 7 7 N 4 3.44 0.30 108.30 111.74 B B B O4' C1' N1 DT DT DT 8 8 8 N 5 2.89 0.30 108.30 111.19 A A A O4' C1' N9 DA DA DA 2 2 2 N 5 -3.41 0.50 117.00 113.59 A A A C4 C5 C6 DA DA DA 2 2 2 N 5 4.05 0.60 119.00 123.05 A A A C4 C5 C7 DT DT DT 3 3 3 N 5 -6.01 0.60 122.90 116.89 A A A C6 C5 C7 DT DT DT 3 3 3 N 5 3.06 0.30 108.30 111.36 A A A O4' C1' N1 DT DT DT 4 4 4 N 5 3.43 0.50 106.80 110.23 A A A O4' C1' C2' DA DA DA 6 6 6 N 5 3.78 0.30 108.30 112.08 A A A O4' C1' N9 DA DA DA 6 6 6 N 5 -5.47 0.60 122.90 117.43 A A A C6 C5 C7 DT DT DT 7 7 7 N 5 3.87 0.30 108.30 112.17 A A A O4' C1' N1 DT DT DT 8 8 8 N 5 -3.82 0.60 122.90 119.08 A A A C6 C5 C7 DT DT DT 8 8 8 N 5 -3.48 0.50 117.00 113.52 B B B C4 C5 C6 DA DA DA 2 2 2 N 5 -3.62 0.60 118.60 114.98 B B B N1 C6 N6 DA DA DA 2 2 2 N 5 -5.61 0.60 122.90 117.29 B B B C6 C5 C7 DT DT DT 3 3 3 N 5 2.96 0.30 108.30 111.26 B B B O4' C1' N1 DT DT DT 4 4 4 N 5 -3.03 0.50 117.00 113.97 B B B C4 C5 C6 DA DA DA 6 6 6 N 5 2.06 0.30 108.30 110.36 B B B O4' C1' N1 DT DT DT 7 7 7 N 5 -5.13 0.60 122.90 117.77 B B B C6 C5 C7 DT DT DT 7 7 7 N 5 3.27 0.30 108.30 111.57 B B B O4' C1' N1 DT DT DT 8 8 8 N 6 -14.22 1.90 104.00 89.78 A A A O3' P O5' DC DA DA 1 2 2 Y 6 -5.20 0.80 109.40 104.20 A A A O5' C5' C4' DA DA DA 2 2 2 N 6 7.96 0.30 108.30 116.26 A A A O4' C1' N9 DA DA DA 2 2 2 N 6 -5.51 0.60 122.90 117.39 A A A C6 C5 C7 DT DT DT 3 3 3 N 6 2.78 0.30 108.30 111.08 A A A O4' C1' N1 DT DT DT 4 4 4 N 6 3.15 0.50 106.80 109.95 A A A O4' C1' C2' DA DA DA 6 6 6 N 6 2.26 0.30 108.30 110.56 A A A O4' C1' N9 DA DA DA 6 6 6 N 6 -3.48 0.50 117.00 113.52 A A A C4 C5 C6 DA DA DA 6 6 6 N 6 -5.80 0.60 122.90 117.10 A A A C6 C5 C7 DT DT DT 7 7 7 N 6 3.31 0.30 108.30 111.61 A A A O4' C1' N1 DT DT DT 8 8 8 N 6 -3.66 0.60 122.90 119.24 A A A C6 C5 C7 DT DT DT 8 8 8 N 6 3.43 0.50 106.80 110.23 B B B O4' C1' C2' DA DA DA 2 2 2 N 6 2.17 0.30 108.30 110.47 B B B O4' C1' N9 DA DA DA 2 2 2 N 6 -3.41 0.50 117.00 113.59 B B B C4 C5 C6 DA DA DA 2 2 2 N 6 1.98 0.30 108.30 110.28 B B B O4' C1' N1 DT DT DT 3 3 3 N 6 -5.76 0.60 122.90 117.14 B B B C6 C5 C7 DT DT DT 3 3 3 N 6 3.00 0.30 108.30 111.30 B B B O4' C1' N1 DT DT DT 4 4 4 N 6 -3.66 0.60 122.90 119.24 B B B C6 C5 C7 DT DT DT 4 4 4 N 6 8.35 0.30 108.30 116.65 B B B O4' C1' N9 DA DA DA 6 6 6 N 6 2.37 0.30 108.30 110.67 B B B O4' C1' N1 DT DT DT 7 7 7 N 6 -5.52 0.60 122.90 117.38 B B B C6 C5 C7 DT DT DT 7 7 7 N 6 4.16 0.30 108.30 112.46 B B B O4' C1' N1 DT DT DT 8 8 8 N 6 -3.93 0.60 122.90 118.97 B B B C6 C5 C7 DT DT DT 8 8 8 N 7 3.29 0.50 106.80 110.09 A A A O4' C1' C2' DA DA DA 2 2 2 N 7 2.73 0.30 108.30 111.03 A A A O4' C1' N9 DA DA DA 2 2 2 N 7 -3.33 0.50 117.00 113.67 A A A C4 C5 C6 DA DA DA 2 2 2 N 7 -3.64 0.60 118.60 114.96 A A A N1 C6 N6 DA DA DA 2 2 2 N 7 2.34 0.30 108.30 110.64 A A A O4' C1' N1 DT DT DT 3 3 3 N 7 -5.62 0.60 122.90 117.28 A A A C6 C5 C7 DT DT DT 3 3 3 N 7 3.72 0.30 108.30 112.02 A A A O4' C1' N1 DT DT DT 4 4 4 N 7 -3.70 0.60 122.90 119.20 A A A C6 C5 C7 DT DT DT 4 4 4 N 7 3.51 0.50 106.80 110.31 A A A O4' C1' C2' DA DA DA 6 6 6 N 7 3.52 0.30 108.30 111.82 A A A O4' C1' N9 DA DA DA 6 6 6 N 7 2.20 0.30 108.30 110.50 A A A O4' C1' N1 DT DT DT 7 7 7 N 7 -5.33 0.60 122.90 117.57 A A A C6 C5 C7 DT DT DT 7 7 7 N 7 3.78 0.30 108.30 112.08 A A A O4' C1' N1 DT DT DT 8 8 8 N 7 3.77 0.50 106.80 110.57 B B B O4' C1' C2' DA DA DA 2 2 2 N 7 4.47 0.30 108.30 112.77 B B B O4' C1' N9 DA DA DA 2 2 2 N 7 -3.13 0.50 117.00 113.87 B B B C4 C5 C6 DA DA DA 2 2 2 N 7 2.43 0.30 108.30 110.73 B B B O4' C1' N1 DT DT DT 3 3 3 N 7 -5.64 0.60 122.90 117.26 B B B C6 C5 C7 DT DT DT 3 3 3 N 7 3.45 0.30 108.30 111.75 B B B O4' C1' N1 DT DT DT 4 4 4 N 7 3.17 0.50 106.80 109.97 B B B O4' C1' C2' DA DA DA 6 6 6 N 7 2.10 0.30 108.30 110.40 B B B O4' C1' N9 DA DA DA 6 6 6 N 7 -3.41 0.50 117.00 113.59 B B B C4 C5 C6 DA DA DA 6 6 6 N 7 -5.61 0.60 122.90 117.29 B B B C6 C5 C7 DT DT DT 7 7 7 N 7 3.86 0.30 108.30 112.16 B B B O4' C1' N1 DT DT DT 8 8 8 N 7 -3.70 0.60 122.90 119.20 B B B C6 C5 C7 DT DT DT 8 8 8 N 8 -3.28 0.50 117.00 113.72 A A A C4 C5 C6 DA DA DA 2 2 2 N 8 3.67 0.60 119.00 122.67 A A A C4 C5 C7 DT DT DT 3 3 3 N 8 -5.80 0.60 122.90 117.10 A A A C6 C5 C7 DT DT DT 3 3 3 N 8 3.37 0.30 108.30 111.67 A A A O4' C1' N1 DT DT DT 4 4 4 N 8 -3.76 0.60 122.90 119.14 A A A C6 C5 C7 DT DT DT 4 4 4 N 8 -13.33 1.90 104.00 90.67 A A A O3' P O5' DC DA DA 5 6 6 Y 8 -4.84 0.80 109.40 104.56 A A A O5' C5' C4' DA DA DA 6 6 6 N 8 7.88 0.30 108.30 116.18 A A A O4' C1' N9 DA DA DA 6 6 6 N 8 -5.35 0.60 122.90 117.55 A A A C6 C5 C7 DT DT DT 7 7 7 N 8 2.97 0.30 108.30 111.27 A A A O4' C1' N1 DT DT DT 8 8 8 N 8 3.36 0.50 106.80 110.16 B B B O4' C1' C2' DA DA DA 2 2 2 N 8 4.06 0.30 108.30 112.36 B B B O4' C1' N9 DA DA DA 2 2 2 N 8 -3.03 0.50 117.00 113.97 B B B C4 C5 C6 DA DA DA 2 2 2 N 8 2.17 0.30 108.30 110.47 B B B O4' C1' N1 DT DT DT 3 3 3 N 8 -5.37 0.60 122.90 117.53 B B B C6 C5 C7 DT DT DT 3 3 3 N 8 3.06 0.30 108.30 111.36 B B B O4' C1' N1 DT DT DT 4 4 4 N 8 -3.60 0.60 122.90 119.30 B B B C6 C5 C7 DT DT DT 4 4 4 N 8 3.07 0.50 106.80 109.87 B B B O4' C1' C2' DA DA DA 6 6 6 N 8 3.31 0.30 108.30 111.61 B B B O4' C1' N9 DA DA DA 6 6 6 N 8 -3.25 0.50 117.00 113.75 B B B C4 C5 C6 DA DA DA 6 6 6 N 8 3.71 0.60 119.00 122.71 B B B C4 C5 C7 DT DT DT 7 7 7 N 8 -5.76 0.60 122.90 117.14 B B B C6 C5 C7 DT DT DT 7 7 7 N 8 2.38 0.30 108.30 110.68 B B B O4' C1' N1 DT DT DT 8 8 8 N 9 -15.13 1.90 104.00 88.87 A A A O3' P O5' DC DA DA 1 2 2 Y 9 7.66 0.30 108.30 115.96 A A A O4' C1' N9 DA DA DA 2 2 2 N 9 -5.38 0.60 122.90 117.52 A A A C6 C5 C7 DT DT DT 3 3 3 N 9 3.89 0.30 108.30 112.19 A A A O4' C1' N1 DT DT DT 4 4 4 N 9 3.28 0.50 106.80 110.08 A A A O4' C1' C2' DA DA DA 6 6 6 N 9 2.02 0.30 108.30 110.32 A A A O4' C1' N9 DA DA DA 6 6 6 N 9 -3.19 0.50 117.00 113.81 A A A C4 C5 C6 DA DA DA 6 6 6 N 9 3.88 0.60 119.00 122.88 A A A C4 C5 C7 DT DT DT 7 7 7 N 9 -6.02 0.60 122.90 116.88 A A A C6 C5 C7 DT DT DT 7 7 7 N 9 -3.89 0.60 122.90 119.01 A A A C6 C5 C7 DT DT DT 8 8 8 N 9 3.65 0.50 106.80 110.45 B B B O4' C1' C2' DA DA DA 2 2 2 N 9 2.84 0.30 108.30 111.14 B B B O4' C1' N9 DA DA DA 2 2 2 N 9 -3.04 0.50 117.00 113.96 B B B C4 C5 C6 DA DA DA 2 2 2 N 9 2.68 0.30 108.30 110.98 B B B O4' C1' N1 DT DT DT 3 3 3 N 9 -5.43 0.60 122.90 117.47 B B B C6 C5 C7 DT DT DT 3 3 3 N 9 2.99 0.30 108.30 111.29 B B B O4' C1' N1 DT DT DT 4 4 4 N 9 3.61 0.50 106.80 110.41 B B B O4' C1' C2' DA DA DA 6 6 6 N 9 2.31 0.30 108.30 110.61 B B B O4' C1' N9 DA DA DA 6 6 6 N 9 1.94 0.30 108.30 110.24 B B B O4' C1' N1 DT DT DT 7 7 7 N 9 -5.43 0.60 122.90 117.47 B B B C6 C5 C7 DT DT DT 7 7 7 N 9 4.55 0.30 108.30 112.85 B B B O4' C1' N1 DT DT DT 8 8 8 N 10 3.36 0.50 106.80 110.16 A A A O4' C1' C2' DA DA DA 2 2 2 N 10 -3.57 0.50 117.00 113.43 A A A C4 C5 C6 DA DA DA 2 2 2 N 10 -5.43 0.60 122.90 117.47 A A A C6 C5 C7 DT DT DT 3 3 3 N 10 2.64 0.30 108.30 110.94 A A A O4' C1' N1 DT DT DT 4 4 4 N 10 3.39 0.50 106.80 110.19 A A A O4' C1' C2' DA DA DA 6 6 6 N 10 -3.02 0.50 117.00 113.98 A A A C4 C5 C6 DA DA DA 6 6 6 N 10 1.90 0.30 108.30 110.20 A A A O4' C1' N1 DT DT DT 7 7 7 N 10 -5.40 0.60 122.90 117.50 A A A C6 C5 C7 DT DT DT 7 7 7 N 10 2.68 0.30 108.30 110.98 A A A O4' C1' N1 DT DT DT 8 8 8 N 10 -3.20 0.50 117.00 113.80 B B B C4 C5 C6 DA DA DA 2 2 2 N 10 3.94 0.60 119.00 122.94 B B B C4 C5 C7 DT DT DT 3 3 3 N 10 -6.03 0.60 122.90 116.87 B B B C6 C5 C7 DT DT DT 3 3 3 N 10 1.97 0.30 108.30 110.27 B B B O4' C1' N1 DT DT DT 4 4 4 N 10 -3.52 0.40 104.50 100.98 B B B O4' C4' C3' DC DC DC 5 5 5 N 10 2.57 0.30 108.30 110.87 B B B O4' C1' N1 DC DC DC 5 5 5 N 10 -5.81 0.60 122.90 117.09 B B B C6 C5 C7 DT DT DT 7 7 7 N 10 -3.64 0.60 122.90 119.26 B B B C6 C5 C7 DT DT DT 8 8 8 N 6 A A C5' C4' DT DT 8 8 0.046 0.007 1.512 1.558 N 8 A A C5' C4' DT DT 4 4 0.047 0.007 1.512 1.559 N DIMERIC SOLUTION STRUCTURE OF THE CYCLIC OCTAMER CD(CATTCATT) 1 N N 1 N N covale 1.592 both A DC 1 A P DC 1 1_555 A DT 8 A O3' DT 8 1_555 covale 1.593 both B DC 1 B P DC 1 1_555 B DT 8 B O3' DT 8 1_555 hydrog WATSON-CRICK A DA 2 A N1 DA 2 1_555 B DT 3 B N3 DT 3 1_555 hydrog WATSON-CRICK A DA 2 A N6 DA 2 1_555 B DT 3 B O4 DT 3 1_555 hydrog WATSON-CRICK A DT 3 A N3 DT 3 1_555 B DA 2 B N1 DA 2 1_555 hydrog WATSON-CRICK A DT 3 A O4 DT 3 1_555 B DA 2 B N6 DA 2 1_555 hydrog WATSON-CRICK A DA 6 A N1 DA 6 1_555 B DT 7 B N3 DT 7 1_555 hydrog WATSON-CRICK A DA 6 A N6 DA 6 1_555 B DT 7 B O4 DT 7 1_555 hydrog WATSON-CRICK A DT 7 A N3 DT 7 1_555 B DA 6 B N1 DA 6 1_555 hydrog WATSON-CRICK A DT 7 A O4 DT 7 1_555 B DA 6 B N6 DA 6 1_555 DNA QUADRUPLEX, FOUR-STRANDED structure, UNUSUAL DNA, BI-LOOP, DNA 1EU6 PDB 1 1EU6 1 8 1EU6 1 8 1EU6 A 1 1 8 1 8 1EU6 1 8 1EU6 B 1 1 8 1 P 1