0.039562 0.000000 0.000000 0.000000 0.024950 0.000000 0.000000 0.000000 0.015184 0.000000 0.000000 0.000000 Wilds, C.J. Wawrzak, Z. Krishnamurthy, R. Eschenmoser, A. Egli, M. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 25.277 40.080 65.860 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 Mg 2 24.305 MAGNESIUM ION non-polymer C9 H13 N2 O8 P 308.182 n (L)-ALPHA-THREOFURANOSYL-THYMINE-3'-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 Y 13 N N Y 14 N C Y 15 N N Y 16 N C Y 17 N C N 18 N N Y 19 N N Y 20 N C Y 21 N N Y 22 N C 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 H N 36 N H N 37 N O N 38 N P N 39 N O N 40 N O N 41 N O N 42 N C N 43 R C N 44 N O N 45 S C N 46 N O N 47 N C N 48 R C N 49 N N N 50 N C N 51 N O N 52 N N N 53 N C N 54 N N N 55 N C N 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 Y 83 N N Y 84 N C Y 85 N N Y 86 N C N 87 N C N 88 N O N 89 N N N 90 N C N 91 N N N 92 N N Y 93 N C 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 P N 110 N O N 111 N O N 112 N O N 113 N C N 114 R C N 115 N O N 116 S C N 117 N O N 118 N C N 119 R C N 120 N N N 121 N C N 122 N O N 123 N N N 124 N C N 125 N O N 126 N C N 127 N C N 128 N C 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 H N 143 N H N 144 N O N 145 N H N 146 N H N 147 N MG N 148 N P N 149 N O N 150 N O N 151 N O N 152 N N N 153 N C N 154 N C N 155 N O N 156 N N N 157 N C N 158 N O N 159 N C N 160 N C N 161 R C N 162 N C N 163 N O N 164 R C N 165 S C N 166 N O N 167 N O 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 H N 179 N H N 180 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 Y 24 N sing Y 25 N sing Y 26 N doub N 27 N sing Y 28 N sing Y 29 N sing Y 30 N doub N 31 N sing Y 32 N doub N 33 N sing N 34 N sing Y 35 N sing Y 36 N doub N 37 N sing Y 38 N sing N 39 N sing N 40 N sing N 41 N doub 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 N 59 N sing N 60 N sing N 61 N sing N 62 N sing N 63 N sing N 64 N doub N 65 N sing 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 doub 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 Y 97 N sing Y 98 N sing Y 99 N doub N 100 N sing Y 101 N sing N 102 N sing Y 103 N doub N 104 N doub N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N doub N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N doub 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 N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N sing N 136 N sing N 137 N sing N 138 N doub N 139 N sing N 140 N sing N 141 N sing N 142 N doub N 143 N sing N 144 N sing N 145 N doub N 146 N sing N 147 N sing N 148 N sing N 149 N sing N 150 N sing N 151 N sing N 152 N doub 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 doub N 162 N sing N 163 N doub N 164 N sing N 165 N sing N 166 N sing N 167 N doub N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing N 177 N sing N 178 N sing N 179 N sing 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 J.Am.Chem.Soc. JACSAT 0004 0002-7863 124 13716 13721 10.1021/ja0207807 12431101 Crystal Structure of a B-Form DNA Duplex Containing (L)-alpha-Threofuranosyl (3'-->2') Nucleosides: A Four-Carbon Sugar Is Easily Accommodated into the Backbone of DNA 2002 10.2210/pdb1n1o/pdb pdb_00001n1o 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 120 1 CCD 2001-02-20 MARRESEARCH SINGLE WAVELENGTH M x-ray 1 0.978 1.0 5ID-B APS 0.978 SYNCHROTRON APS BEAMLINE 5ID-B Dickerson-Drew dodecamer duplex 3649.366 5'-D(*CP*GP*CP*GP*AP*AP*(TFT)P*TP*CP*GP*CP*G)-3' 2 syn polymer 24.305 MAGNESIUM ION 1 syn non-polymer 18.015 water 197 nat water no yes (DC)(DG)(DC)(DG)(DA)(DA)(TFT)(DT)(DC)(DG)(DC)(DG) CGCGAATTCGCG A,B polydeoxyribonucleotide n n n n n n n n n n n n 1 1.75 29.04 VAPOR DIFFUSION, SITTING DROP 7 oligonucleotide, sodium cacodylate, magnesium acetate, spermine tetrahydrochloride, 2-methyl-2,4-pentanediol (MPD), pH 7, VAPOR DIFFUSION, SITTING DROP, temperature 298K 298 oligonucleotide 1 sodium cacodylate 1 magnesium acetate 1 spermine tetrahydrochloride 1 MPD 1 MPD 2 4.713 1 19 A 1 B 124 -0.442 A_DC1:DG124_B 1 -13.772 0.218 0.115 -0.106 6.936 1 19 A 2 B 123 -2.598 A_DG2:DC123_B 2 -11.760 -0.178 0.446 -0.176 -4.299 1 19 A 3 B 122 -0.681 A_DC3:DG122_B 3 -4.342 0.147 0.176 -0.175 12.715 1 19 A 4 B 121 0.581 A_DG4:DC121_B 4 -7.773 -0.224 0.039 -0.066 10.520 1 20 A 5 B 120 4.520 A_DA5:DT120_B 5 -12.652 -0.070 0.006 -0.102 5.108 1 20 A 6 B 119 1.042 A_DA6:TFT119_B 6 -15.361 0.200 0.021 -0.040 -0.110 1 20 A 7 B 118 2.172 A_TFT7:DA118_B 7 -15.226 -0.116 0.051 -0.116 -1.918 1 20 A 8 B 117 3.586 A_DT8:DA117_B 8 -12.344 -0.028 -0.088 -0.148 -13.576 1 19 A 9 B 116 -1.593 A_DC9:DG116_B 9 -7.098 0.232 0.124 -0.111 5.561 1 19 A 10 B 115 2.149 A_DG10:DC115_B 10 -6.742 -0.149 0.273 -0.105 0.884 1 19 A 11 B 114 -2.131 A_DC11:DG114_B 11 -15.718 0.126 0.213 -0.177 4.294 1 19 A 12 B 113 -0.990 A_DG12:DC113_B 12 -5.894 -0.280 0.306 -0.132 3.194 34.893 A A 1 2 8.714 B B 124 123 3.232 5.203 0.099 0.067 AA_DC1DG2:DC123DG124_BB 1 -2.414 4.042 34.432 -0.668 -0.527 3.526 43.109 A A 2 3 -9.256 B B 123 122 3.605 -6.771 0.588 0.453 AA_DG2DC3:DG122DC123_BB 2 2.849 -3.895 42.508 1.348 -0.492 3.004 27.922 A A 3 4 19.694 B B 122 121 3.008 9.321 -0.221 0.552 AA_DC3DG4:DC121DG122_BB 3 1.683 -3.556 26.296 -0.958 0.839 3.295 35.117 A A 4 5 3.983 B B 121 120 3.317 2.402 -0.102 -0.239 AA_DG4DA5:DT120DC121_BB 4 -0.548 0.909 35.034 -0.759 0.086 3.295 37.448 A A 5 6 4.860 B B 120 119 3.356 3.117 0.077 -0.607 AA_DA5DA6:TFT119DT120_BB 5 -0.657 1.025 37.318 -1.362 -0.207 3.350 33.179 A A 6 7 -8.542 B B 119 118 3.345 -4.861 0.127 -0.281 AA_DA6TFT7:DA118TFT119_BB 6 -0.235 0.413 32.830 0.348 -0.263 3.228 35.207 A A 7 8 0.703 B B 118 117 3.241 0.425 -0.124 -0.419 AA_TFT7DT8:DA117DA118_BB 7 1.444 -2.388 35.176 -0.755 0.417 3.517 42.815 A A 8 9 -1.284 B B 117 116 3.507 -0.937 -0.306 -0.363 AA_DT8DC9:DG116DA117_BB 8 -0.595 0.815 42.801 -0.396 0.356 2.923 25.820 A A 9 10 5.715 B B 116 115 2.962 2.544 0.615 0.728 AA_DC9DG10:DC115DG116_BB 9 -3.162 7.105 25.505 0.986 -2.174 3.315 43.700 A A 10 11 -12.624 B B 115 114 3.423 -9.327 -1.256 0.480 AA_DG10DC11:DG114DC115_BB 10 -2.394 3.241 42.677 1.576 1.448 3.202 33.026 A A 11 12 8.486 B B 114 113 3.196 4.807 -0.129 0.253 AA_DC11DG12:DC113DG114_BB 11 -1.110 1.959 32.666 -0.356 0.041 software software struct_conn chem_comp_atom chem_comp_bond database_2 pdbx_struct_conn_angle struct_conn struct_site pdbx_initial_refinement_model repository Initial release Version format compliance Version format compliance Refinement description Data collection Derived calculations Refinement description Data collection Database references Derived calculations Refinement description 1 0 2002-11-15 1 1 2008-04-28 1 2 2011-07-13 1 3 2017-10-11 1 4 2019-07-24 1 5 2024-02-14 1 6 2024-04-03 _software.classification _software.name _struct_conn.pdbx_leaving_atom_flag _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_asym_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_asym_id _pdbx_struct_conn_angle.ptnr3_auth_asym_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_asym_id _pdbx_struct_conn_angle.value _struct_conn.pdbx_dist_value _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.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_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2002-10-18 REL REL MG MAGNESIUM ION HOH water solid phase oligonucleotide synthesis was used. sample B-form DNA (native Dickerson-Drew dodecamer) Other experimental model MG 901 2 MG MG 901 A TIP 701 3 HOH HOH 701 A TIP 702 3 HOH HOH 702 A TIP 703 3 HOH HOH 703 A TIP 705 3 HOH HOH 705 A TIP 707 3 HOH HOH 707 A TIP 709 3 HOH HOH 709 A TIP 710 3 HOH HOH 710 A TIP 711 3 HOH HOH 711 A TIP 716 3 HOH HOH 716 A TIP 718 3 HOH HOH 718 A TIP 719 3 HOH HOH 719 A TIP 721 3 HOH HOH 721 A TIP 723 3 HOH HOH 723 A TIP 724 3 HOH HOH 724 A TIP 725 3 HOH HOH 725 A TIP 726 3 HOH HOH 726 A TIP 728 3 HOH HOH 728 A TIP 731 3 HOH HOH 731 A TIP 734 3 HOH HOH 734 A TIP 737 3 HOH HOH 737 A TIP 740 3 HOH HOH 740 A TIP 743 3 HOH HOH 743 A TIP 744 3 HOH HOH 744 A TIP 745 3 HOH HOH 745 A TIP 747 3 HOH HOH 747 A TIP 750 3 HOH HOH 750 A TIP 751 3 HOH HOH 751 A TIP 754 3 HOH HOH 754 A TIP 757 3 HOH HOH 757 A TIP 764 3 HOH HOH 764 A TIP 766 3 HOH HOH 766 A TIP 773 3 HOH HOH 773 A TIP 775 3 HOH HOH 775 A TIP 778 3 HOH HOH 778 A TIP 780 3 HOH HOH 780 A TIP 783 3 HOH HOH 783 A TIP 788 3 HOH HOH 788 A TIP 789 3 HOH HOH 789 A TIP 790 3 HOH HOH 790 A TIP 791 3 HOH HOH 791 A TIP 796 3 HOH HOH 796 A TIP 800 3 HOH HOH 800 A TIP 801 3 HOH HOH 801 A TIP 802 3 HOH HOH 802 A TIP 805 3 HOH HOH 805 A TIP 808 3 HOH HOH 808 A TIP 809 3 HOH HOH 809 A TIP 814 3 HOH HOH 814 A TIP 815 3 HOH HOH 815 A TIP 817 3 HOH HOH 817 A TIP 820 3 HOH HOH 820 A TIP 821 3 HOH HOH 821 A TIP 824 3 HOH HOH 824 A TIP 830 3 HOH HOH 830 A TIP 831 3 HOH HOH 831 A TIP 833 3 HOH HOH 833 A TIP 834 3 HOH HOH 834 A TIP 838 3 HOH HOH 838 A TIP 839 3 HOH HOH 839 A TIP 840 3 HOH HOH 840 A TIP 841 3 HOH HOH 841 A TIP 849 3 HOH HOH 849 A TIP 851 3 HOH HOH 851 A TIP 852 3 HOH HOH 852 A TIP 860 3 HOH HOH 860 A TIP 861 3 HOH HOH 861 A TIP 863 3 HOH HOH 863 A TIP 866 3 HOH HOH 866 A TIP 867 3 HOH HOH 867 A TIP 869 3 HOH HOH 869 A TIP 871 3 HOH HOH 871 A TIP 872 3 HOH HOH 872 A TIP 873 3 HOH HOH 873 A TIP 875 3 HOH HOH 875 A TIP 876 3 HOH HOH 876 A TIP 878 3 HOH HOH 878 A TIP 879 3 HOH HOH 879 A TIP 882 3 HOH HOH 882 A TIP 887 3 HOH HOH 887 A TIP 888 3 HOH HOH 888 A TIP 890 3 HOH HOH 890 A TIP 892 3 HOH HOH 892 A TIP 893 3 HOH HOH 893 A TIP 898 3 HOH HOH 898 A TIP 900 3 HOH HOH 900 A TIP 902 3 HOH HOH 902 A TIP 903 3 HOH HOH 903 A TIP 905 3 HOH HOH 905 A TIP 906 3 HOH HOH 906 A TIP 911 3 HOH HOH 911 A TIP 912 3 HOH HOH 912 A TIP 913 3 HOH HOH 913 A TIP 914 3 HOH HOH 914 A TIP 917 3 HOH HOH 917 A TIP 918 3 HOH HOH 918 A TIP 920 3 HOH HOH 920 A TIP 924 3 HOH HOH 924 A TIP 925 3 HOH HOH 925 A TIP 927 3 HOH HOH 927 A TIP 931 3 HOH HOH 931 A TIP 936 3 HOH HOH 936 A TIP 937 3 HOH HOH 937 A TIP 939 3 HOH HOH 939 A TIP 943 3 HOH HOH 943 A TIP 949 3 HOH HOH 949 A TIP 950 3 HOH HOH 950 A TIP 706 3 HOH HOH 706 B TIP 708 3 HOH HOH 708 B TIP 712 3 HOH HOH 712 B TIP 713 3 HOH HOH 713 B TIP 714 3 HOH HOH 714 B TIP 715 3 HOH HOH 715 B TIP 717 3 HOH HOH 717 B TIP 720 3 HOH HOH 720 B TIP 727 3 HOH HOH 727 B TIP 729 3 HOH HOH 729 B TIP 730 3 HOH HOH 730 B TIP 733 3 HOH HOH 733 B TIP 735 3 HOH HOH 735 B TIP 738 3 HOH HOH 738 B TIP 741 3 HOH HOH 741 B TIP 742 3 HOH HOH 742 B TIP 746 3 HOH HOH 746 B TIP 748 3 HOH HOH 748 B TIP 749 3 HOH HOH 749 B TIP 753 3 HOH HOH 753 B TIP 755 3 HOH HOH 755 B TIP 758 3 HOH HOH 758 B TIP 759 3 HOH HOH 759 B TIP 760 3 HOH HOH 760 B TIP 761 3 HOH HOH 761 B TIP 763 3 HOH HOH 763 B TIP 765 3 HOH HOH 765 B TIP 769 3 HOH HOH 769 B TIP 772 3 HOH HOH 772 B TIP 774 3 HOH HOH 774 B TIP 776 3 HOH HOH 776 B TIP 777 3 HOH HOH 777 B TIP 782 3 HOH HOH 782 B TIP 784 3 HOH HOH 784 B TIP 787 3 HOH HOH 787 B TIP 792 3 HOH HOH 792 B TIP 797 3 HOH HOH 797 B TIP 798 3 HOH HOH 798 B TIP 799 3 HOH HOH 799 B TIP 803 3 HOH HOH 803 B TIP 804 3 HOH HOH 804 B TIP 806 3 HOH HOH 806 B TIP 807 3 HOH HOH 807 B TIP 810 3 HOH HOH 810 B TIP 811 3 HOH HOH 811 B TIP 812 3 HOH HOH 812 B TIP 813 3 HOH HOH 813 B TIP 819 3 HOH HOH 819 B TIP 822 3 HOH HOH 822 B TIP 823 3 HOH HOH 823 B TIP 832 3 HOH HOH 832 B TIP 835 3 HOH HOH 835 B TIP 837 3 HOH HOH 837 B TIP 843 3 HOH HOH 843 B TIP 846 3 HOH HOH 846 B TIP 847 3 HOH HOH 847 B TIP 848 3 HOH HOH 848 B TIP 850 3 HOH HOH 850 B TIP 854 3 HOH HOH 854 B TIP 855 3 HOH HOH 855 B TIP 858 3 HOH HOH 858 B TIP 859 3 HOH HOH 859 B TIP 862 3 HOH HOH 862 B TIP 865 3 HOH HOH 865 B TIP 868 3 HOH HOH 868 B TIP 870 3 HOH HOH 870 B TIP 874 3 HOH HOH 874 B TIP 877 3 HOH HOH 877 B TIP 880 3 HOH HOH 880 B TIP 884 3 HOH HOH 884 B TIP 885 3 HOH HOH 885 B TIP 889 3 HOH HOH 889 B TIP 891 3 HOH HOH 891 B TIP 895 3 HOH HOH 895 B TIP 899 3 HOH HOH 899 B TIP 907 3 HOH HOH 907 B TIP 908 3 HOH HOH 908 B TIP 909 3 HOH HOH 909 B TIP 910 3 HOH HOH 910 B TIP 916 3 HOH HOH 916 B TIP 919 3 HOH HOH 919 B TIP 921 3 HOH HOH 921 B TIP 922 3 HOH HOH 922 B TIP 928 3 HOH HOH 928 B TIP 933 3 HOH HOH 933 B TIP 935 3 HOH HOH 935 B TIP 938 3 HOH HOH 938 B TIP 941 3 HOH HOH 941 B TIP 942 3 HOH HOH 942 B TIP 945 3 HOH HOH 945 B TIP 952 3 HOH HOH 952 B CYT 1 n 1 DC 1 A GUA 2 n 2 DG 2 A CYT 3 n 3 DC 3 A GUA 4 n 4 DG 4 A ADE 5 n 5 DA 5 A ADE 6 n 6 DA 6 A THT 7 n 7 TFT 7 A THY 8 n 8 DT 8 A CYT 9 n 9 DC 9 A GUA 10 n 10 DG 10 A CYT 11 n 11 DC 11 A GUA 12 n 12 DG 12 A CYT 113 n 1 DC 113 B GUA 114 n 2 DG 114 B CYT 115 n 3 DC 115 B GUA 116 n 4 DG 116 B ADE 117 n 5 DA 117 B ADE 118 n 6 DA 118 B THT 119 n 7 TFT 119 B THY 120 n 8 DT 120 B CYT 121 n 9 DC 121 B GUA 122 n 10 DG 122 B CYT 123 n 11 DC 123 B GUA 124 n 12 DG 124 B 0.156 0.16 0.156 0.16 0.198 0.2 1866 2130 5.0 5.0 18649 21311 author_defined_assembly 2 dimeric A HOH 702 D O HOH 1_555 A MG 901 C MG MG 1_555 A HOH 705 D O HOH 1_555 92.4 A HOH 702 D O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 706 E O HOH 1_555 174.8 A HOH 705 D O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 706 E O HOH 1_555 88.6 A HOH 702 D O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 708 E O HOH 1_555 94.0 A HOH 705 D O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 708 E O HOH 1_555 86.2 B HOH 706 E O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 708 E O HOH 1_555 91.1 A HOH 702 D O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 715 E O HOH 1_555 89.9 A HOH 705 D O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 715 E O HOH 1_555 91.5 B HOH 706 E O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 715 E O HOH 1_555 85.1 B HOH 708 E O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 715 E O HOH 1_555 175.5 A HOH 702 D O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 720 E O HOH 1_555 88.6 A HOH 705 D O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 720 E O HOH 1_555 174.9 B HOH 706 E O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 720 E O HOH 1_555 90.8 B HOH 708 E O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 720 E O HOH 1_555 88.8 B HOH 715 E O HOH 1_555 A MG 901 C MG MG 1_555 B HOH 720 E O HOH 1_555 93.5 A TFT 7 A TFT 7 DT B TFT 119 B TFT 7 DT 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 4.01 0.60 106.00 110.01 A A A O4' C4' C3' DC DC DC 1 1 1 N 1 8.96 1.40 114.30 123.26 A A A N1 C1' C2' DC DC DC 1 1 1 N 1 9.15 1.50 119.60 128.75 A A A OP1 P OP2 DG DG DG 2 2 2 N 1 -5.55 0.70 108.00 102.45 A A A O4' C1' N1 DC DC DC 3 3 3 N 1 1.82 0.30 108.30 110.12 A A A O4' C1' N9 DG DG DG 4 4 4 N 1 -4.26 0.70 108.00 103.74 A A A O4' C1' N9 DA DA DA 5 5 5 N 1 11.93 1.40 114.30 126.23 A A A N1 C1' C2' DC DC DC 9 9 9 N 1 -10.85 0.70 108.00 97.15 A A A O4' C1' N1 DC DC DC 9 9 9 N 1 10.88 1.40 114.30 125.18 A A A N1 C1' C2' DC DC DC 11 11 11 N 1 -9.08 0.70 108.00 98.92 A A A O4' C1' N1 DC DC DC 11 11 11 N 1 -8.07 0.70 108.00 99.93 A A A O4' C1' N9 DG DG DG 12 12 12 N 1 -4.46 0.70 108.00 103.54 B B B O4' C1' N1 DC DC DC 113 113 113 N 1 -4.21 0.70 108.00 103.79 B B B O4' C1' N9 DG DG DG 114 114 114 N 1 -7.27 0.70 108.00 100.73 B B B O4' C1' N1 DC DC DC 115 115 115 N 1 4.73 0.30 108.30 113.03 B B B O4' C1' N9 DG DG DG 116 116 116 N 1 9.23 1.20 119.70 128.93 B B B C3' O3' P DG DG DA 116 116 117 Y 1 -7.23 0.70 108.00 100.77 B B B O4' C1' N9 DA DA DA 117 117 117 N 1 8.45 1.20 119.70 128.15 B B B C3' O3' P DA DA TFT 118 118 119 Y 1 -6.84 0.80 109.40 102.56 B B B O5' C5' C4' DT DT DT 120 120 120 N 1 -7.75 0.70 108.00 100.25 B B B O4' C1' N1 DT DT DT 120 120 120 N 1 -8.65 1.00 110.10 101.45 B B B C1' O4' C4' DC DC DC 121 121 121 N 1 9.44 1.40 114.30 123.74 B B B N1 C1' C2' DC DC DC 121 121 121 N 1 -8.03 0.70 108.00 99.97 B B B O4' C1' N1 DC DC DC 121 121 121 N 1 9.29 1.40 114.30 123.59 B B B N1 C1' C2' DC DC DC 123 123 123 N 1 -9.13 0.70 108.00 98.87 B B B O4' C1' N1 DC DC DC 123 123 123 N 1 9.14 1.40 114.30 123.44 B B B N9 C1' C2' DG DG DG 124 124 124 N 1 -8.23 0.70 108.00 99.77 B B B O4' C1' N9 DG DG DG 124 124 124 N 1 A A O4' C1' DC DC 1 1 0.076 0.011 1.420 1.496 N 1 A A C2' C1' DC DC 3 3 -0.063 0.010 1.518 1.455 N 1 A A O4' C1' DC DC 3 3 0.109 0.011 1.420 1.529 N 1 A A O4' C1' DA DA 5 5 0.098 0.011 1.420 1.518 N 1 A A O4' C1' DT DT 8 8 0.077 0.011 1.420 1.497 N 1 A A C2' C1' DC DC 9 9 -0.088 0.010 1.518 1.430 N 1 A A O4' C1' DC DC 9 9 0.149 0.011 1.420 1.569 N 1 A A C2' C1' DC DC 11 11 -0.069 0.010 1.518 1.449 N 1 A A O4' C1' DC DC 11 11 0.126 0.011 1.420 1.546 N 1 A A C2' C1' DG DG 12 12 -0.073 0.010 1.518 1.445 N 1 A A O4' C1' DG DG 12 12 0.092 0.011 1.420 1.512 N 1 B B O4' C1' DC DC 113 113 0.079 0.011 1.420 1.499 N 1 B B O4' C1' DC DC 115 115 0.104 0.011 1.420 1.524 N 1 B B C2' C1' DA DA 117 117 -0.060 0.010 1.518 1.458 N 1 B B O4' C1' DA DA 117 117 0.123 0.011 1.420 1.543 N 1 B B O4' C1' DA DA 118 118 0.079 0.011 1.420 1.499 N 1 B B C2' C1' DT DT 120 120 -0.066 0.010 1.518 1.452 N 1 B B O4' C1' DT DT 120 120 0.099 0.011 1.420 1.519 N 1 B B C2' C1' DC DC 121 121 -0.079 0.010 1.518 1.439 N 1 B B O4' C1' DC DC 121 121 0.129 0.011 1.420 1.549 N 1 B B C2' C1' DC DC 123 123 -0.103 0.010 1.518 1.415 N 1 B B O4' C1' DC DC 123 123 0.137 0.011 1.420 1.557 N 1 B B C2' C1' DG DG 124 124 -0.094 0.010 1.518 1.424 N 1 B B O4' C1' DG DG 124 124 0.132 0.011 1.420 1.552 N 0.16 1.20 20 21311 21311 random 1 MOLECULAR REPLACEMENT B-form DNA (native Dickerson-Drew dodecamer) 1.20 20 197 682 1 484 0 0.007 0.014 1.20 20.0 1N1O 21360 21311 2 1 0.037 1 99.2 0.327 1.20 1.24 98.2 refinement SHELXL-97 data scaling SCALEPACK refinement CNS data collection MAR345 phasing CNS Crystal Structure of a B-form DNA Duplex Containing (L)-alpha-threofuranosyl (3'-2') Nucleosides: A Four-Carbon Sugar is Easily Accommodated into the Backbone of DNA 1 N N 1 N N 2 N N 3 N N 3 N N covale 1.610 both A DA 6 A O3' DA 6 1_555 A TFT 7 A P TFT 7 1_555 covale 1.611 one A TFT 7 A O2T TFT 7 1_555 A DT 8 A P DT 8 1_555 covale 1.583 both B DA 118 B O3' DA 6 1_555 B TFT 119 B P TFT 7 1_555 covale 1.548 one B TFT 119 B O2T TFT 7 1_555 B DT 120 B P DT 8 1_555 metalc 2.068 A HOH 702 D O HOH 1_555 A MG 901 C MG MG 1_555 metalc 2.050 A HOH 705 D O HOH 1_555 A MG 901 C MG MG 1_555 metalc 2.119 A MG 901 C MG MG 1_555 B HOH 706 E O HOH 1_555 metalc 2.056 A MG 901 C MG MG 1_555 B HOH 708 E O HOH 1_555 metalc 2.066 A MG 901 C MG MG 1_555 B HOH 715 E O HOH 1_555 metalc 2.031 A MG 901 C MG MG 1_555 B HOH 720 E O HOH 1_555 hydrog WATSON-CRICK A DC 1 A N3 DC 1 1_555 B DG 124 B N1 DG 12 1_555 hydrog WATSON-CRICK A DC 1 A N4 DC 1 1_555 B DG 124 B O6 DG 12 1_555 hydrog WATSON-CRICK A DC 1 A O2 DC 1 1_555 B DG 124 B N2 DG 12 1_555 hydrog WATSON-CRICK A DG 2 A N1 DG 2 1_555 B DC 123 B N3 DC 11 1_555 hydrog WATSON-CRICK A DG 2 A N2 DG 2 1_555 B DC 123 B O2 DC 11 1_555 hydrog WATSON-CRICK A DG 2 A O6 DG 2 1_555 B DC 123 B N4 DC 11 1_555 hydrog WATSON-CRICK A DC 3 A N3 DC 3 1_555 B DG 122 B N1 DG 10 1_555 hydrog WATSON-CRICK A DC 3 A N4 DC 3 1_555 B DG 122 B O6 DG 10 1_555 hydrog WATSON-CRICK A DC 3 A O2 DC 3 1_555 B DG 122 B N2 DG 10 1_555 hydrog WATSON-CRICK A DG 4 A N1 DG 4 1_555 B DC 121 B N3 DC 9 1_555 hydrog WATSON-CRICK A DG 4 A N2 DG 4 1_555 B DC 121 B O2 DC 9 1_555 hydrog WATSON-CRICK A DG 4 A O6 DG 4 1_555 B DC 121 B N4 DC 9 1_555 hydrog WATSON-CRICK A DA 5 A N1 DA 5 1_555 B DT 120 B N3 DT 8 1_555 hydrog WATSON-CRICK A DA 5 A N6 DA 5 1_555 B DT 120 B O4 DT 8 1_555 hydrog WATSON-CRICK A DA 6 A N1 DA 6 1_555 B TFT 119 B N3 TFT 7 1_555 hydrog WATSON-CRICK A DA 6 A N6 DA 6 1_555 B TFT 119 B O4 TFT 7 1_555 hydrog WATSON-CRICK A TFT 7 A N3 TFT 7 1_555 B DA 118 B N1 DA 6 1_555 hydrog WATSON-CRICK A TFT 7 A O4 TFT 7 1_555 B DA 118 B N6 DA 6 1_555 hydrog WATSON-CRICK A DT 8 A N3 DT 8 1_555 B DA 117 B N1 DA 5 1_555 hydrog WATSON-CRICK A DT 8 A O4 DT 8 1_555 B DA 117 B N6 DA 5 1_555 hydrog WATSON-CRICK A DC 9 A N3 DC 9 1_555 B DG 116 B N1 DG 4 1_555 hydrog WATSON-CRICK A DC 9 A N4 DC 9 1_555 B DG 116 B O6 DG 4 1_555 hydrog WATSON-CRICK A DC 9 A O2 DC 9 1_555 B DG 116 B N2 DG 4 1_555 hydrog WATSON-CRICK A DG 10 A N1 DG 10 1_555 B DC 115 B N3 DC 3 1_555 hydrog WATSON-CRICK A DG 10 A N2 DG 10 1_555 B DC 115 B O2 DC 3 1_555 hydrog WATSON-CRICK A DG 10 A O6 DG 10 1_555 B DC 115 B N4 DC 3 1_555 hydrog WATSON-CRICK A DC 11 A N3 DC 11 1_555 B DG 114 B N1 DG 2 1_555 hydrog WATSON-CRICK A DC 11 A N4 DC 11 1_555 B DG 114 B O6 DG 2 1_555 hydrog WATSON-CRICK A DC 11 A O2 DC 11 1_555 B DG 114 B N2 DG 2 1_555 hydrog WATSON-CRICK A DG 12 A N1 DG 12 1_555 B DC 113 B N3 DC 1 1_555 hydrog WATSON-CRICK A DG 12 A N2 DG 12 1_555 B DC 113 B O2 DC 1 1_555 hydrog WATSON-CRICK A DG 12 A O6 DG 12 1_555 B DC 113 B N4 DC 1 1_555 DNA B-DNA, hydrogen bonding, nucleic acid etiology, tetrose, four-carbon sugar, nucleic acid analogue, DNA 1N1O PDB 1 1N1O 1 12 1N1O 1 12 1N1O A 1 1 12 113 124 1N1O 113 124 1N1O B 1 1 12 BINDING SITE FOR RESIDUE MG A 901 A MG 901 Software 6 A HOH 702 D HOH 6 1_555 A HOH 705 D HOH 6 1_555 B HOH 706 E HOH 6 1_555 B HOH 708 E HOH 6 1_555 B HOH 715 E HOH 6 1_555 B HOH 720 E HOH 6 1_555 19 P 21 21 21