0.015423 0.000000 0.004649 0.000000 0.044293 0.000000 0.000000 0.000000 0.027436 0.00000 0.00000 0.00000 Hays, F.A. Vargason, J.M. Ho, P.S. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 106.78 90.00 64.840 22.580 38.070 C9 H12 Br N2 O8 P 387.078 n 5-BROMO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE DNA linking Ca 2 40.078 CALCIUM ION non-polymer 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 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 Na 1 22.990 SODIUM ION non-polymer N 1 N N N 2 N C N 3 N N N 4 N C N 5 N C N 6 N C N 7 N O N 8 N O N 9 N BR N 10 R C N 11 N C N 12 S C N 13 R C N 14 N O N 15 N O N 16 N C N 17 N O N 18 N P N 19 N O N 20 N O N 21 N O 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 CA 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 Y 51 N C N 52 N N Y 53 N N Y 54 N C Y 55 N N Y 56 N C 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 H N 68 N H N 69 N H N 70 N H N 71 N O N 72 N P N 73 N O N 74 N O N 75 N O N 76 N C N 77 R C N 78 N O N 79 S C N 80 N O N 81 N C N 82 R C N 83 N N N 84 N C N 85 N O N 86 N N N 87 N C N 88 N N N 89 N C N 90 N C 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 103 N H N 104 N H N 105 N O N 106 N P N 107 N O N 108 N O N 109 N O N 110 N C N 111 R C N 112 N O N 113 S C N 114 N O N 115 N C N 116 R C Y 117 N N Y 118 N C Y 119 N N Y 120 N C N 121 N C N 122 N O N 123 N N N 124 N C N 125 N N N 126 N N Y 127 N C N 128 N H N 129 N H N 130 N H N 131 N H N 132 N H N 133 N H N 134 N H N 135 N H N 136 N H N 137 N H N 138 N H N 139 N H N 140 N H N 141 N H N 142 N O N 143 N P N 144 N O N 145 N O N 146 N O N 147 N C N 148 R C N 149 N O N 150 S C N 151 N O N 152 N C N 153 R C N 154 N N N 155 N C N 156 N O N 157 N N N 158 N C N 159 N O N 160 N C N 161 N C N 162 N C N 163 N H N 164 N H N 165 N H N 166 N H N 167 N H N 168 N H N 169 N H N 170 N H N 171 N H N 172 N H N 173 N H N 174 N H N 175 N H N 176 N H N 177 N H N 178 N O N 179 N H N 180 N H N 181 N NA N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N doub N 6 N sing N 7 N sing N 8 N sing N 9 N doub N 10 N doub 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 sing N 27 N sing N 28 N sing N 29 N sing N 30 N doub N 31 N sing N 32 N sing N 33 N sing N 34 N sing N 35 N sing N 36 N sing N 37 N doub 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 N 55 N sing N 56 N sing N 57 N sing Y 58 N sing Y 59 N sing Y 60 N doub N 61 N sing Y 62 N sing Y 63 N sing Y 64 N doub N 65 N sing Y 66 N doub N 67 N sing N 68 N sing Y 69 N sing Y 70 N doub N 71 N sing Y 72 N sing N 73 N sing N 74 N sing N 75 N doub 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 sing N 96 N sing N 97 N sing N 98 N doub N 99 N sing N 100 N doub N 101 N sing N 102 N sing N 103 N sing N 104 N sing N 105 N doub N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N doub N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N sing N 117 N sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N sing N 123 N sing N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N sing N 129 N sing N 130 N sing Y 131 N sing Y 132 N sing Y 133 N doub N 134 N sing Y 135 N sing N 136 N sing Y 137 N doub N 138 N doub N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N doub N 144 N sing N 145 N sing N 146 N sing N 147 N sing N 148 N sing N 149 N doub N 150 N sing N 151 N sing N 152 N sing N 153 N sing N 154 N sing N 155 N sing N 156 N sing N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N sing N 165 N sing N 166 N sing N 167 N sing N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N doub N 173 N sing N 174 N sing N 175 N sing N 176 N doub N 177 N sing N 178 N sing N 179 N doub N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing US Biochemistry BICHAW 0033 0006-2960 42 9586 9597 10.1021/bi0346603 12911300 Effect of Sequence on the Conformation of DNA Holliday Junctions 2003 10.2210/pdb1p54/pdb pdb_00001p54 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 103.0 1 IMAGE PLATE 2002-12-19 RIGAKU RAXIS IV NI FILTER SINGLE WAVELENGTH M x-ray 1 1.542 1.0 1.542 ROTATING ANODE RIGAKU RU300 3109.874 5'-D(*CP*CP*AP*GP*TP*AP*CP*(BRU)P*GP*G)-3' 2 syn polymer 22.990 SODIUM ION 1 syn non-polymer 40.078 CALCIUM ION 1 syn non-polymer 18.015 water 87 nat water no yes (DC)(DC)(DA)(DG)(DT)(DA)(DC)(BRU)(DG)(DG) CCAGTACUGG A,B polydeoxyribonucleotide n n n n n n n n n n 1 1.93 35.87 7.50 0.6mM DNA, 5mM Tris-HCL, 120mM calcium acetate, 16% 2-methyl-2,4-pentane diol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K, pH 7.50 298 Tris-HCL 1 calcium acetate 1 2-methyl-2,4-pentane diol 1 H2O 1 calcium acetate 2 Tris-HCL 2 2-methyl-2,4-pentane diol 2 H2O 2 -0.110 1 19 A 1 B 20 0.485 A_DC1:DG20_B 1 -13.775 0.041 0.058 -0.058 -1.830 1 19 A 2 B 19 -0.482 A_DC2:DG19_B 2 -16.662 0.469 0.543 -0.121 -3.669 1 20 A 3 B 18 1.743 A_DA3:BRU18_B 3 -6.015 -0.085 0.417 -0.067 4.459 1 19 A 4 B 17 -6.000 A_DG4:DC17_B 4 -16.673 -0.843 0.221 -0.485 4.364 1 20 A 5 B 16 4.769 A_DT5:DA16_B 5 -0.040 0.106 0.178 -0.055 14.311 1 20 A 6 B 15 3.463 A_DA6:DT15_B 6 -16.557 0.217 0.205 0.159 3.743 45.533 A A 1 2 3.292 B B 20 19 3.646 2.540 0.200 2.022 AA_DC1DC2:DG19DG20_BB 1 6.057 -7.850 45.082 2.359 0.346 2.226 45.393 A A 2 3 -19.845 B B 19 18 3.276 -15.048 0.263 2.820 AA_DC2DA3:BRU18DG19_BB 2 2.188 -2.885 42.898 4.811 -0.173 3.088 34.629 A A 3 4 10.690 B B 18 17 3.132 6.329 0.383 0.066 AA_DA3DG4:DC17BRU18_BB 3 -0.576 0.973 34.058 -0.823 -0.728 3.130 30.588 A A 4 5 16.024 B B 17 16 3.204 8.337 0.806 -0.076 AA_DG4DT5:DA16DC17_BB 4 3.047 -5.856 29.301 -1.779 -0.931 3.194 38.435 A A 5 6 3.777 B B 16 15 3.175 2.485 -0.797 0.824 AA_DT5DA6:DT15DA16_BB 5 1.202 -1.828 38.339 0.951 1.356 chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model pdbx_struct_conn_angle struct_conn struct_site repository Initial release Version format compliance Version format compliance Atomic model Data collection Database references Derived calculations Refinement description 1 0 2003-09-02 1 1 2008-04-29 1 2 2011-07-13 1 3 2011-11-16 1 4 2023-08-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.value _struct_conn.conn_type_id _struct_conn.id _struct_conn.pdbx_dist_value _struct_conn.pdbx_leaving_atom_flag _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_symmetry _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id Effect of Sequence on the Conformational Geometry of DNA Holliday Junctions Effect of Sequence on the Conformational Geometry of DNA Holliday Junctions RCSB Y RCSB 2003-04-25 REL REL NA SODIUM ION CA CALCIUM ION HOH water DNA was synthesized on an Applied Biosystems DNA synthesizer using phosphoramidite chemistry, with the trityl-protecting group left intact at the 5-terminal nucleotide, FOR SUBSEQUENT HPLC PURIFICATION, THEN DEPROTECTED BY TREATMENT WITH 3% ACETIC ACID FOR FIFTEEN MINUTES, NEUTRALIZED WITH AMMONIUM HYDROXIDE, AND DESALTED ON A SIGMA G-25 SEPHADEX COLUMN. sample 1L6B 1L6B USED FOR INITIAL SOLUTION VIA MOLECULAR REPLACEMENT PDB experimental model NA 37 2 NA NA 37 A CA 67 3 CA CA 67 A HOH 21 4 HOH HOH 21 A HOH 23 4 HOH HOH 23 A HOH 24 4 HOH HOH 24 A HOH 25 4 HOH HOH 25 A HOH 26 4 HOH HOH 26 A HOH 27 4 HOH HOH 27 A HOH 29 4 HOH HOH 29 A HOH 30 4 HOH HOH 30 A HOH 32 4 HOH HOH 32 A HOH 33 4 HOH HOH 33 A HOH 34 4 HOH HOH 34 A HOH 36 4 HOH HOH 36 A HOH 38 4 HOH HOH 38 A HOH 39 4 HOH HOH 39 A HOH 40 4 HOH HOH 40 A HOH 42 4 HOH HOH 42 A HOH 43 4 HOH HOH 43 A HOH 44 4 HOH HOH 44 A HOH 46 4 HOH HOH 46 A HOH 50 4 HOH HOH 50 A HOH 52 4 HOH HOH 52 A HOH 53 4 HOH HOH 53 A HOH 54 4 HOH HOH 54 A HOH 55 4 HOH HOH 55 A HOH 57 4 HOH HOH 57 A HOH 61 4 HOH HOH 61 A HOH 62 4 HOH HOH 62 A HOH 64 4 HOH HOH 64 A HOH 65 4 HOH HOH 65 A HOH 66 4 HOH HOH 66 A HOH 68 4 HOH HOH 68 A HOH 70 4 HOH HOH 70 A HOH 72 4 HOH HOH 72 A HOH 73 4 HOH HOH 73 A HOH 76 4 HOH HOH 76 A HOH 77 4 HOH HOH 77 A HOH 79 4 HOH HOH 79 A HOH 80 4 HOH HOH 80 A HOH 81 4 HOH HOH 81 A HOH 82 4 HOH HOH 82 A HOH 85 4 HOH HOH 85 A HOH 86 4 HOH HOH 86 A HOH 87 4 HOH HOH 87 A HOH 88 4 HOH HOH 88 A HOH 90 4 HOH HOH 90 A HOH 96 4 HOH HOH 96 A HOH 100 4 HOH HOH 100 A HOH 101 4 HOH HOH 101 A HOH 103 4 HOH HOH 103 A HOH 107 4 HOH HOH 107 A HOH 22 4 HOH HOH 22 B HOH 28 4 HOH HOH 28 B HOH 31 4 HOH HOH 31 B HOH 35 4 HOH HOH 35 B HOH 41 4 HOH HOH 41 B HOH 45 4 HOH HOH 45 B HOH 47 4 HOH HOH 47 B HOH 48 4 HOH HOH 48 B HOH 49 4 HOH HOH 49 B HOH 51 4 HOH HOH 51 B HOH 56 4 HOH HOH 56 B HOH 58 4 HOH HOH 58 B HOH 59 4 HOH HOH 59 B HOH 60 4 HOH HOH 60 B HOH 63 4 HOH HOH 63 B HOH 69 4 HOH HOH 69 B HOH 71 4 HOH HOH 71 B HOH 74 4 HOH HOH 74 B HOH 75 4 HOH HOH 75 B HOH 78 4 HOH HOH 78 B HOH 83 4 HOH HOH 83 B HOH 84 4 HOH HOH 84 B HOH 89 4 HOH HOH 89 B HOH 91 4 HOH HOH 91 B HOH 92 4 HOH HOH 92 B HOH 93 4 HOH HOH 93 B HOH 94 4 HOH HOH 94 B HOH 95 4 HOH HOH 95 B HOH 97 4 HOH HOH 97 B HOH 98 4 HOH HOH 98 B HOH 99 4 HOH HOH 99 B HOH 102 4 HOH HOH 102 B HOH 104 4 HOH HOH 104 B HOH 105 4 HOH HOH 105 B HOH 106 4 HOH HOH 106 B HOH 108 4 HOH HOH 108 B HOH 109 4 HOH HOH 109 B C 1 n 1 DC 1 A C 2 n 2 DC 2 A A 3 n 3 DA 3 A G 4 n 4 DG 4 A T 5 n 5 DT 5 A A 6 n 6 DA 6 A C 7 n 7 DC 7 A +U 8 n 8 BRU 8 A G 9 n 9 DG 9 A G 10 n 10 DG 10 A C 11 n 1 DC 11 B C 12 n 2 DC 12 B A 13 n 3 DA 13 B G 14 n 4 DG 14 B T 15 n 5 DT 15 B A 16 n 6 DA 16 B C 17 n 7 DC 17 B +U 18 n 8 BRU 18 B G 19 n 9 DG 19 B G 20 n 10 DG 20 B author_defined_assembly 4 tetrameric A HOH 27 E O HOH 1_555 A CA 67 D CA CA 1_555 A HOH 80 E O HOH 1_555 83.5 A HOH 27 E O HOH 1_555 A CA 67 D CA CA 1_555 A HOH 81 E O HOH 1_555 106.8 A HOH 80 E O HOH 1_555 A CA 67 D CA CA 1_555 A HOH 81 E O HOH 1_555 76.9 A HOH 27 E O HOH 1_555 A CA 67 D CA CA 1_555 A HOH 82 E O HOH 1_555 71.0 A HOH 80 E O HOH 1_555 A CA 67 D CA CA 1_555 A HOH 82 E O HOH 1_555 152.0 A HOH 81 E O HOH 1_555 A CA 67 D CA CA 1_555 A HOH 82 E O HOH 1_555 121.1 A HOH 27 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 69 F O HOH 2_555 136.1 A HOH 80 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 69 F O HOH 2_555 140.0 A HOH 81 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 69 F O HOH 2_555 84.5 A HOH 82 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 69 F O HOH 2_555 67.1 A HOH 27 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 75 F O HOH 2_555 90.3 A HOH 80 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 75 F O HOH 2_555 97.6 A HOH 81 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 75 F O HOH 2_555 161.0 A HOH 82 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 75 F O HOH 2_555 71.7 B HOH 69 F O HOH 2_555 A CA 67 D CA CA 1_555 B HOH 75 F O HOH 2_555 88.8 A HOH 27 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 93 F O HOH 2_555 150.1 A HOH 80 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 93 F O HOH 2_555 89.4 A HOH 81 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 93 F O HOH 2_555 99.7 A HOH 82 E O HOH 1_555 A CA 67 D CA CA 1_555 B HOH 93 F O HOH 2_555 106.7 B HOH 69 F O HOH 2_555 A CA 67 D CA CA 1_555 B HOH 93 F O HOH 2_555 59.1 B HOH 75 F O HOH 2_555 A CA 67 D CA CA 1_555 B HOH 93 F O HOH 2_555 61.8 A BRU 8 A BRU 8 DU B BRU 18 B BRU 8 DU 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 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 2_555 -x,y,-z crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 1 A NA 37 C NA 1 A HOH 68 E HOH 1 A HOH 86 E HOH 1 B DG 19 0.054 SIDE CHAIN 9.50 0.242 0.012 0.215 0.215 1.90 19.18 388 4011 3745 10.4 86.7 RANDOM 1 RESTRAINED THROUGHOUT 0.000 MOLECULAR REPLACEMENT 1L6B USED FOR INITIAL SOLUTION VIA MOLECULAR REPLACEMENT 0.26 0.22 5.00 0.18 0.14 1.90 19.18 87 493 2 404 0 0.005 0.9 18.30 1.37 0.248 0.041 0.259 2.02 37 385 6 8.8 60.10 4.3 1.800 19.180 1P54 4177 0.000 0.041 1 4.05 82.0 0.189 1.80 1.86 34.9 data reduction DENZO data scaling SCALEPACK phasing EPMR refinement CNS 1.0 Effect of Sequence on the Conformational Geometry of DNA Holliday Junctions 1 N N 1 N N 2 N N 3 N N 4 N N 4 N N This entry contains the crystallographic asymmetric unit which consists of two chains A and B. The full four stranded Holliday junction structure can be generated by the following: matrix = (-1.00000 0.00001 0.00000) (0.00001 1.00000 -0.00002) (0.00000 -0.00002 -1.00000) translation = (0.00022 0.00018 -0.00034) covale 1.613 both A DC 7 A O3' DC 7 1_555 A BRU 8 A P BRU 8 1_555 covale 1.609 both A BRU 8 A O3' BRU 8 1_555 A DG 9 A P DG 9 1_555 covale 1.609 both B DC 17 B O3' DC 7 1_555 B BRU 18 B P BRU 8 1_555 covale 1.612 both B BRU 18 B O3' BRU 8 1_555 B DG 19 B P DG 9 1_555 metalc 2.777 A DA 6 A OP2 DA 6 1_555 A NA 37 C NA NA 1_555 metalc 2.303 A HOH 27 E O HOH 1_555 A CA 67 D CA CA 1_555 metalc 2.278 A CA 67 D CA CA 1_555 A HOH 80 E O HOH 1_555 metalc 2.242 A CA 67 D CA CA 1_555 A HOH 81 E O HOH 1_555 metalc 2.948 A CA 67 D CA CA 1_555 A HOH 82 E O HOH 1_555 metalc 3.119 A CA 67 D CA CA 1_555 B HOH 69 F O HOH 2_555 metalc 3.011 A CA 67 D CA CA 1_555 B HOH 75 F O HOH 2_555 metalc 3.261 A CA 67 D CA CA 1_555 B HOH 93 F O HOH 2_555 hydrog WATSON-CRICK A DC 1 A N3 DC 1 1_555 B DG 20 B N1 DG 10 1_555 hydrog WATSON-CRICK A DC 1 A N4 DC 1 1_555 B DG 20 B O6 DG 10 1_555 hydrog WATSON-CRICK A DC 1 A O2 DC 1 1_555 B DG 20 B N2 DG 10 1_555 hydrog WATSON-CRICK A DC 2 A N3 DC 2 1_555 B DG 19 B N1 DG 9 1_555 hydrog WATSON-CRICK A DC 2 A N4 DC 2 1_555 B DG 19 B O6 DG 9 1_555 hydrog WATSON-CRICK A DC 2 A O2 DC 2 1_555 B DG 19 B N2 DG 9 1_555 hydrog WATSON-CRICK A DA 3 A N1 DA 3 1_555 B BRU 18 B N3 BRU 8 1_555 hydrog WATSON-CRICK A DA 3 A N6 DA 3 1_555 B BRU 18 B O4 BRU 8 1_555 hydrog WATSON-CRICK A DG 4 A N1 DG 4 1_555 B DC 17 B N3 DC 7 1_555 hydrog WATSON-CRICK A DG 4 A N2 DG 4 1_555 B DC 17 B O2 DC 7 1_555 hydrog WATSON-CRICK A DG 4 A O6 DG 4 1_555 B DC 17 B N4 DC 7 1_555 hydrog WATSON-CRICK A DT 5 A N3 DT 5 1_555 B DA 16 B N1 DA 6 1_555 hydrog WATSON-CRICK A DT 5 A O4 DT 5 1_555 B DA 16 B N6 DA 6 1_555 hydrog WATSON-CRICK A DA 6 A N1 DA 6 1_555 B DT 15 B N3 DT 5 1_555 hydrog WATSON-CRICK A DA 6 A N6 DA 6 1_555 B DT 15 B O4 DT 5 1_555 DNA DNA Holliday Junction, Four-Way Junction, stacked-X junction, brominated uracil, DNA 1P54 PDB 1 1P54 1 10 1P54 1 10 1P54 A 1 1 10 11 20 1P54 11 20 1P54 B 1 1 10 BINDING SITE FOR RESIDUE NA A 37 A NA 37 Software 2 BINDING SITE FOR RESIDUE CA A 67 A CA 67 Software 5 A DA 6 A DA 6 2 1_555 A DA 6 A DA 6 2 2_555 A HOH 27 E HOH 5 1_555 A HOH 80 E HOH 5 1_555 A HOH 81 E HOH 5 1_555 A HOH 82 E HOH 5 1_555 B HOH 75 F HOH 5 2_555 5 C 1 2 1