0.017489 0.000000 0.001598 0.000000 0.046232 0.000000 0.000000 0.000000 0.027587 0.00000 0.00000 0.00000 Chattopadhyaya, R. Grzeskowiak, K. Dickerson, R.E. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 95.22 90.00 57.180 21.630 36.400 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 H2 O 18.015 WATER 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 O N 109 N H N 110 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 N 112 N sing N 113 N sing UK J.Mol.Biol. JMOBAK 0070 0022-2836 211 189 210 10.1016/0022-2836(90)90020-M 2299669 Structure of a T4 hairpin loop on a Z-DNA stem and comparison with A-RNA and B-DNA loops. 1990 UK Nature NATUAS 0006 0028-0836 334 175 179 X-Ray Structure of a DNA Hairpin Molecule 1988 10.2210/pdb1d16/pdb pdb_00001d16 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 278.00 1 DIFFRACTOMETER SYNTEX P1 x-ray 1 1.0 4882.139 DNA (5'-D(*CP*GP*CP*GP*CP*GP*TP*TP*TP*TP*CP*GP*CP*GP*CP*G)-3') 1 syn polymer 18.015 water 70 nat water no no (DC)(DG)(DC)(DG)(DC)(DG)(DT)(DT)(DT)(DT)(DC)(DG)(DC)(DG)(DC)(DG) CGCGCGTTTTCGCGCG A polydeoxyribonucleotide n n n n n n n n n n n n n n n n 2.21 1.5000 44.32 VAPOR DIFFUSION 6.00 pH 6.00, VAPOR DIFFUSION, temperature 280.00K 280.00 WATER 1 ISOPROPANOL 1 NA CACODYLATE 1 SPERMINE_HCL 1 SR NITRATE 1 WATER 2 ISOPROPANOL 2 5.093 1 19 A 1 A 16 -2.729 A_DC1:DG16_A 1 -5.520 -0.759 0.365 -0.244 -9.192 1 19 A 2 A 15 1.448 A_DG2:DC15_A 2 -4.226 1.114 -0.033 -0.175 -0.596 1 19 A 3 A 14 -0.920 A_DC3:DG14_A 3 -6.576 -0.988 0.202 -0.287 -11.397 1 19 A 4 A 13 3.119 A_DG4:DC13_A 4 2.311 0.255 0.135 -0.154 14.972 1 19 A 5 A 12 2.518 A_DC5:DG12_A 5 -2.361 -0.337 -0.281 0.012 -0.926 1 19 A 6 A 11 0.375 A_DG6:DC11_A 6 -3.843 0.000 -0.376 -0.096 -2.709 -8.089 A A 1 2 -56.822 A A 16 15 3.990 5.490 -0.117 4.823 AA_DC1DG2:DC15DG16_AA 1 5.861 60.657 -0.971 -39.690 5.041 3.489 -58.450 A A 2 3 0.595 A A 15 14 3.497 -0.581 -0.288 -0.524 AA_DG2DC3:DG14DC15_AA 2 -0.644 -0.659 -58.444 0.569 -0.331 6.590 -9.040 A A 3 4 56.572 A A 14 13 3.904 -7.481 -0.445 5.356 AA_DC3DG4:DC13DG14_AA 3 1.611 12.186 -4.815 1.941 4.915 2.724 -50.532 A A 4 5 6.941 A A 13 12 2.830 -5.911 0.236 -0.682 AA_DG4DC5:DG12DC13_AA 4 2.556 3.002 -50.146 1.157 0.431 5.379 -12.742 A A 5 6 25.975 A A 12 11 3.563 -5.415 -0.089 5.720 AA_DC5DG6:DC11DG12_AA 5 4.919 23.597 -10.440 -16.390 8.120 chem_comp_atom chem_comp_bond database_2 repository Initial release Version format compliance Version format compliance Data collection Database references 1 0 1989-01-09 1 1 2008-05-22 1 2 2011-07-13 1 3 2024-02-07 _database_2.pdbx_DOI _database_2.pdbx_database_accession BNL Y BNL 1988-04-12 REL REL HOH water HOH 17 2 HOH HOH 17 A HOH 18 2 HOH HOH 18 A HOH 19 2 HOH HOH 19 A HOH 20 2 HOH HOH 20 A HOH 21 2 HOH HOH 21 A HOH 22 2 HOH HOH 22 A HOH 23 2 HOH HOH 23 A HOH 24 2 HOH HOH 24 A HOH 25 2 HOH HOH 25 A HOH 26 2 HOH HOH 26 A HOH 27 2 HOH HOH 27 A HOH 28 2 HOH HOH 28 A HOH 29 2 HOH HOH 29 A HOH 30 2 HOH HOH 30 A HOH 31 2 HOH HOH 31 A HOH 32 2 HOH HOH 32 A HOH 33 2 HOH HOH 33 A HOH 34 2 HOH HOH 34 A HOH 35 2 HOH HOH 35 A HOH 36 2 HOH HOH 36 A HOH 37 2 HOH HOH 37 A HOH 38 2 HOH HOH 38 A HOH 39 2 HOH HOH 39 A HOH 40 2 HOH HOH 40 A HOH 41 2 HOH HOH 41 A HOH 42 2 HOH HOH 42 A HOH 43 2 HOH HOH 43 A HOH 44 2 HOH HOH 44 A HOH 45 2 HOH HOH 45 A HOH 46 2 HOH HOH 46 A HOH 47 2 HOH HOH 47 A HOH 48 2 HOH HOH 48 A HOH 49 2 HOH HOH 49 A HOH 50 2 HOH HOH 50 A HOH 51 2 HOH HOH 51 A HOH 52 2 HOH HOH 52 A HOH 53 2 HOH HOH 53 A HOH 54 2 HOH HOH 54 A HOH 55 2 HOH HOH 55 A HOH 56 2 HOH HOH 56 A HOH 57 2 HOH HOH 57 A HOH 58 2 HOH HOH 58 A HOH 59 2 HOH HOH 59 A HOH 60 2 HOH HOH 60 A HOH 61 2 HOH HOH 61 A HOH 62 2 HOH HOH 62 A HOH 63 2 HOH HOH 63 A HOH 64 2 HOH HOH 64 A HOH 65 2 HOH HOH 65 A HOH 66 2 HOH HOH 66 A HOH 67 2 HOH HOH 67 A HOH 68 2 HOH HOH 68 A HOH 69 2 HOH HOH 69 A HOH 70 2 HOH HOH 70 A HOH 71 2 HOH HOH 71 A HOH 72 2 HOH HOH 72 A HOH 73 2 HOH HOH 73 A HOH 74 2 HOH HOH 74 A HOH 75 2 HOH HOH 75 A HOH 76 2 HOH HOH 76 A HOH 77 2 HOH HOH 77 A HOH 78 2 HOH HOH 78 A HOH 79 2 HOH HOH 79 A HOH 80 2 HOH HOH 80 A HOH 81 2 HOH HOH 81 A HOH 82 2 HOH HOH 82 A HOH 83 2 HOH HOH 83 A HOH 84 2 HOH HOH 84 A HOH 85 2 HOH HOH 85 A HOH 86 2 HOH HOH 86 A C 1 n 1 DC 1 A G 2 n 2 DG 2 A C 3 n 3 DC 3 A G 4 n 4 DG 4 A C 5 n 5 DC 5 A G 6 n 6 DG 6 A T 7 n 7 DT 7 A T 8 n 8 DT 8 A T 9 n 9 DT 9 A T 10 n 10 DT 10 A C 11 n 11 DC 11 A G 12 n 12 DG 12 A C 13 n 13 DC 13 A G 14 n 14 DG 14 A C 15 n 15 DC 15 A G 16 n 16 DG 16 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 O O HOH HOH 23 57 1.60 1 A A O5' O DG HOH 2 79 1.72 1 A A O O HOH HOH 57 83 1.90 1 A A O4' O DG HOH 2 79 2.09 1 -5.88 0.40 104.50 98.62 A A A O4' C4' C3' DC DC DC 1 1 1 N 1 7.80 1.20 115.70 123.50 A A A C5' C4' C3' DC DC DC 1 1 1 N 1 -6.33 0.80 102.40 96.07 A A A C3' C2' C1' DC DC DC 1 1 1 N 1 2.22 0.30 108.30 110.52 A A A O4' C1' N1 DC DC DC 1 1 1 N 1 4.34 0.30 108.30 112.64 A A A O4' C1' N9 DG DG DG 2 2 2 N 1 -6.35 0.60 125.10 118.75 A A A C6 N1 C2 DG DG DG 2 2 2 N 1 5.11 0.50 111.50 116.61 A A A C5 C6 N1 DG DG DG 2 2 2 N 1 -7.32 0.60 119.90 112.58 A A A N1 C6 O6 DG DG DG 2 2 2 N 1 19.72 1.20 119.70 139.42 A A A C3' O3' P DG DG DC 2 2 3 Y 1 13.03 1.90 104.00 117.03 A A A O3' P O5' DG DC DC 2 3 3 Y 1 -9.52 1.50 119.60 110.08 A A A OP1 P OP2 DC DC DC 3 3 3 N 1 -5.31 0.70 102.20 96.89 A A A C4' C3' C2' DC DC DC 3 3 3 N 1 6.67 0.30 108.30 114.97 A A A O4' C1' N1 DC DC DC 3 3 3 N 1 4.62 0.50 121.00 125.62 A A A C5 C6 N1 DC DC DC 3 3 3 N 1 4.51 0.60 118.90 123.41 A A A N1 C2 O2 DC DC DC 3 3 3 N 1 -6.75 0.70 121.90 115.15 A A A N3 C2 O2 DC DC DC 3 3 3 N 1 8.85 1.20 120.80 129.65 A A A C6 N1 C1' DC DC DC 3 3 3 N 1 -6.67 1.10 118.80 112.13 A A A C2 N1 C1' DC DC DC 3 3 3 N 1 10.68 1.20 110.70 121.38 A A A O5' P OP1 DG DG DG 4 4 4 N 1 -7.38 0.80 109.40 102.02 A A A O5' C5' C4' DG DG DG 4 4 4 N 1 3.90 0.50 106.80 110.70 A A A O4' C1' C2' DG DG DG 4 4 4 N 1 -8.40 0.70 108.00 99.60 A A A O4' C1' N9 DG DG DG 4 4 4 N 1 -3.07 0.50 104.30 101.23 A A A C5 N7 C8 DG DG DG 4 4 4 N 1 -4.70 0.60 128.60 123.90 A A A C5 C6 O6 DG DG DG 4 4 4 N 1 -5.69 0.80 109.40 103.71 A A A O5' C5' C4' DC DC DC 5 5 5 N 1 4.68 0.60 106.00 110.68 A A A O4' C4' C3' DC DC DC 5 5 5 N 1 3.17 0.50 106.80 109.97 A A A O4' C1' C2' DC DC DC 5 5 5 N 1 15.00 1.20 119.70 134.70 A A A C3' O3' P DC DC DG 5 5 6 Y 1 8.13 0.30 108.30 116.43 A A A O4' C1' N9 DG DG DG 6 6 6 N 1 -5.63 0.60 125.10 119.47 A A A C6 N1 C2 DG DG DG 6 6 6 N 1 4.41 0.50 111.50 115.91 A A A C5 C6 N1 DG DG DG 6 6 6 N 1 -7.50 0.70 119.90 112.40 A A A N3 C2 N2 DG DG DG 6 6 6 N 1 -7.01 0.60 128.60 121.59 A A A C5 C6 O6 DG DG DG 6 6 6 N 1 -15.57 1.50 119.60 104.03 A A A OP1 P OP2 DT DT DT 7 7 7 N 1 -7.78 0.80 109.40 101.62 A A A O5' C5' C4' DT DT DT 7 7 7 N 1 12.29 1.60 120.90 133.19 A A A P O5' C5' DT DT DT 7 7 7 N 1 2.13 0.30 108.30 110.43 A A A O4' C1' N1 DT DT DT 7 7 7 N 1 4.01 0.60 114.60 118.61 A A A N1 C2 N3 DT DT DT 7 7 7 N 1 -6.71 0.60 127.20 120.49 A A A C2 N3 C4 DT DT DT 7 7 7 N 1 4.62 0.60 115.20 119.82 A A A N3 C4 C5 DT DT DT 7 7 7 N 1 -3.77 0.60 119.90 116.13 A A A N3 C4 O4 DT DT DT 7 7 7 N 1 13.15 1.20 119.70 132.85 A A A C3' O3' P DT DT DT 7 7 8 Y 1 4.65 0.30 108.30 112.95 A A A O4' C1' N1 DT DT DT 8 8 8 N 1 4.23 0.60 114.60 118.83 A A A N1 C2 N3 DT DT DT 8 8 8 N 1 -5.88 0.60 127.20 121.32 A A A C2 N3 C4 DT DT DT 8 8 8 N 1 4.50 0.60 115.20 119.70 A A A N3 C4 C5 DT DT DT 8 8 8 N 1 4.23 0.60 119.00 123.23 A A A C4 C5 C7 DT DT DT 8 8 8 N 1 9.83 1.20 119.70 129.53 A A A C3' O3' P DT DT DT 8 8 9 Y 1 -4.61 0.40 104.50 99.89 A A A O4' C4' C3' DT DT DT 9 9 9 N 1 7.97 1.20 115.70 123.67 A A A C5' C4' C3' DT DT DT 9 9 9 N 1 -14.33 1.00 110.10 95.77 A A A C1' O4' C4' DT DT DT 9 9 9 N 1 3.81 0.30 108.30 112.11 A A A O4' C1' N1 DT DT DT 9 9 9 N 1 4.12 0.60 114.60 118.72 A A A N1 C2 N3 DT DT DT 9 9 9 N 1 -6.85 0.60 127.20 120.35 A A A C2 N3 C4 DT DT DT 9 9 9 N 1 4.69 0.60 115.20 119.89 A A A N3 C4 C5 DT DT DT 9 9 9 N 1 -3.75 0.60 119.90 116.15 A A A N3 C4 O4 DT DT DT 9 9 9 N 1 6.64 0.70 110.30 116.94 A A A C1' O4' C4' DT DT DT 10 10 10 N 1 3.63 0.60 114.60 118.23 A A A N1 C2 N3 DT DT DT 10 10 10 N 1 -4.99 0.60 127.20 122.21 A A A C2 N3 C4 DT DT DT 10 10 10 N 1 3.99 0.60 115.20 119.19 A A A N3 C4 C5 DT DT DT 10 10 10 N 1 -11.49 1.50 119.60 108.11 A A A OP1 P OP2 DC DC DC 11 11 11 N 1 17.39 1.20 110.70 128.09 A A A O5' P OP2 DC DC DC 11 11 11 N 1 2.12 0.30 108.30 110.42 A A A O4' C1' N1 DC DC DC 11 11 11 N 1 -2.58 0.40 120.30 117.72 A A A C6 N1 C2 DC DC DC 11 11 11 N 1 4.18 0.50 119.90 124.08 A A A C2 N3 C4 DC DC DC 11 11 11 N 1 -3.15 0.40 121.90 118.75 A A A N3 C4 C5 DC DC DC 11 11 11 N 1 3.57 0.50 121.00 124.57 A A A C5 C6 N1 DC DC DC 11 11 11 N 1 6.51 0.70 120.20 126.71 A A A C5 C4 N4 DC DC DC 11 11 11 N 1 11.22 1.20 119.70 130.92 A A A C3' O3' P DC DC DG 11 11 12 Y 1 -6.49 0.80 109.40 102.91 A A A O5' C5' C4' DG DG DG 12 12 12 N 1 5.70 0.60 106.00 111.70 A A A O4' C4' C3' DG DG DG 12 12 12 N 1 9.12 0.30 108.30 117.42 A A A O4' C1' N9 DG DG DG 12 12 12 N 1 -7.35 0.90 116.20 108.85 A A A N1 C2 N2 DG DG DG 12 12 12 N 1 4.41 0.70 119.90 124.31 A A A N3 C2 N2 DG DG DG 12 12 12 N 1 -9.19 0.80 109.40 100.21 A A A O5' C5' C4' DC DC DC 13 13 13 N 1 -5.45 0.80 105.90 100.45 A A A O4' C1' C2' DC DC DC 13 13 13 N 1 5.29 0.30 108.30 113.59 A A A O4' C1' N1 DC DC DC 13 13 13 N 1 3.63 0.50 121.00 124.63 A A A C5 C6 N1 DC DC DC 13 13 13 N 1 3.94 0.60 118.90 122.84 A A A N1 C2 O2 DC DC DC 13 13 13 N 1 -10.96 1.50 119.60 108.64 A A A OP1 P OP2 DG DG DG 14 14 14 N 1 3.10 0.50 106.80 109.90 A A A O4' C1' C2' DG DG DG 14 14 14 N 1 -7.74 1.20 119.70 111.96 A A A C3' O3' P DG DG DC 14 14 15 Y 1 -6.34 0.80 109.40 103.06 A A A O5' C5' C4' DC DC DC 15 15 15 N 1 2.45 0.30 108.30 110.75 A A A O4' C1' N1 DC DC DC 15 15 15 N 1 8.35 0.60 118.90 127.25 A A A N1 C2 O2 DC DC DC 15 15 15 N 1 -6.59 0.70 121.90 115.31 A A A N3 C2 O2 DC DC DC 15 15 15 N 1 -4.74 0.70 118.00 113.26 A A A N3 C4 N4 DC DC DC 15 15 15 N 1 5.83 0.70 120.20 126.03 A A A C5 C4 N4 DC DC DC 15 15 15 N 1 14.58 1.20 119.70 134.28 A A A C3' O3' P DC DC DG 15 15 16 Y 1 -11.10 1.60 120.90 109.80 A A A P O5' C5' DG DG DG 16 16 16 N 1 -5.92 0.70 102.20 96.28 A A A C4' C3' C2' DG DG DG 16 16 16 N 1 -9.81 0.80 102.40 92.59 A A A C3' C2' C1' DG DG DG 16 16 16 N 1 6.55 0.30 108.30 114.85 A A A O4' C1' N9 DG DG DG 16 16 16 N 1 3.71 0.50 111.50 115.21 A A A C5 C6 N1 DG DG DG 16 16 16 N 1 -6.19 0.60 119.90 113.71 A A A N1 C6 O6 DG DG DG 16 16 16 N 1 A A N1 C6 DC DC 3 3 -0.041 0.006 1.367 1.326 N 1 A A N3 C4 DC DC 3 3 0.066 0.007 1.335 1.401 N 1 A A N3 C4 DC DC 5 5 0.047 0.007 1.335 1.382 N 1 A A N3 C4 DC DC 15 15 0.044 0.007 1.335 1.379 N 0.2000000 2.100 1509 1 2.000 TR isotropic TR isotropic 2.100 70 393 0 323 0 0.016 0.043 fix fix 2.100 1D16 2825 1 refinement NUCLSQ STRUCTURE OF A T4 HAIRPIN LOOP ON A Z-DNA STEM AND COMPARISON WITH A-RNA AND B-DNA LOOPS 1 N N 2 N N hydrog WATSON-CRICK A DC 1 A N3 DC 1 1_555 A DG 16 A N1 DG 16 1_555 hydrog WATSON-CRICK A DC 1 A N4 DC 1 1_555 A DG 16 A O6 DG 16 1_555 hydrog WATSON-CRICK A DC 1 A O2 DC 1 1_555 A DG 16 A N2 DG 16 1_555 hydrog WATSON-CRICK A DG 2 A N1 DG 2 1_555 A DC 15 A N3 DC 15 1_555 hydrog WATSON-CRICK A DG 2 A N2 DG 2 1_555 A DC 15 A O2 DC 15 1_555 hydrog WATSON-CRICK A DG 2 A O6 DG 2 1_555 A DC 15 A N4 DC 15 1_555 hydrog WATSON-CRICK A DC 3 A N3 DC 3 1_555 A DG 14 A N1 DG 14 1_555 hydrog WATSON-CRICK A DC 3 A N4 DC 3 1_555 A DG 14 A O6 DG 14 1_555 hydrog WATSON-CRICK A DC 3 A O2 DC 3 1_555 A DG 14 A N2 DG 14 1_555 hydrog WATSON-CRICK A DG 4 A N1 DG 4 1_555 A DC 13 A N3 DC 13 1_555 hydrog WATSON-CRICK A DG 4 A N2 DG 4 1_555 A DC 13 A O2 DC 13 1_555 hydrog WATSON-CRICK A DG 4 A O6 DG 4 1_555 A DC 13 A N4 DC 13 1_555 hydrog WATSON-CRICK A DC 5 A N3 DC 5 1_555 A DG 12 A N1 DG 12 1_555 hydrog WATSON-CRICK A DC 5 A N4 DC 5 1_555 A DG 12 A O6 DG 12 1_555 hydrog WATSON-CRICK A DC 5 A O2 DC 5 1_555 A DG 12 A N2 DG 12 1_555 hydrog WATSON-CRICK A DG 6 A N1 DG 6 1_555 A DC 11 A N3 DC 11 1_555 hydrog WATSON-CRICK A DG 6 A N2 DG 6 1_555 A DC 11 A O2 DC 11 1_555 hydrog WATSON-CRICK A DG 6 A O6 DG 6 1_555 A DC 11 A N4 DC 11 1_555 DNA Z-DNA STEM, SINGLE STRAND, HAIRPIN LOOP, DNA 1D16 PDB 1 1D16 1 16 1D16 1 16 1D16 A 1 1 16 5 C 1 2 1