1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Leroy, J.-L. Gueron, M. 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 H15 N2 O8 P 322.208 y THYMIDINE-5'-MONOPHOSPHATE DNA linking UK Structure STRUE6 2005 0969-2126 3 101 120 10.1016/S0969-2126(01)00138-1 7743125 Solution structures of the i-motif tetramers of d(TCC), d(5methylCCT) and d(T5methylCC): novel NOE connections between amino protons and sugar protons. 1995 10.2210/pdb105d/pdb pdb_0000105d 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 837.599 DNA (5'-D(*TP*CP*C)-3') 4 syn polymer no no (DT)(DC)(DC) TCC A,B,C,D polydeoxyribonucleotide n n n 3.222 2 15 A 3 C 9 179.967 A_DC3:DC9_C 1 4.377 2.213 -0.059 2.016 3.331 2 15 D 11 B 5 179.359 D_DC11:DC5_B 2 -5.387 2.114 0.208 1.795 10.796 2 15 A 2 C 8 -179.892 A_DC2:DC8_C 3 8.801 -1.993 0.114 -1.622 -13.245 2 15 D 12 B 6 -177.187 D_DC12:DC6_B 4 -2.243 -2.343 -0.383 -2.069 0.584 -177.610 A D 3 11 -45.356 C B 9 5 0.369 90.232 1.200 -2.918 AD_DC3DC11:DC5DC9_BC 1 151.676 76.241 -94.241 1.364 0.761 0.211 -177.748 D A 11 2 64.517 B C 5 8 -0.079 -127.854 1.856 2.134 DA_DC11DC2:DC8DC5_CB 2 123.318 62.229 -35.689 -1.033 0.962 0.008 -176.388 A D 2 12 -43.504 C B 8 6 -0.175 86.075 1.483 -2.901 AD_DC2DC12:DC6DC8_BC 3 153.081 77.370 -68.834 1.473 0.703 database_2 pdbx_database_status pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Database references Derived calculations Other 1 0 1995-02-07 1 1 2008-03-24 1 2 2011-07-13 1 3 2022-02-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site Y BNL 1994-12-22 REL 8 THE STRUCTURE IS FORMED OF FOUR EQUIVALENT TCC STRANDS DESIGNATED A, B, C, D. STRANDS A AND C, CONNECTED BY TWO HEMI-PROTONATED BASE PAIRS (C2.C2+ AND C3.C3+), FORM A PARALLEL-STRANDED DUPLEX. THE RELATION BETWEEN STRANDS B AND D IS THE SAME AS THAT BETWEEN STRANDS A AND C. THE STRANDS OF EACH DUPLEX ARE RELATED BY A LONGITUDINAL TWO-FOLD SYMMETRY AXIS. THE DUPLEXES HAVE THE SAME LONGITUDINAL AXIS, AND THEY ARE ANTI-PARALLEL. THEIR HEMI-PROTONATED C.C+ BASE PAIRS ARE INTERCALATED FACE-TO-FACE. THE DUPLEXES CAN BE TRANSFORMED INTO ONE ANOTHER BY A 180 DEGREE ROTATION AROUND A TWO-FOLD AXIS PERPENDICULAR TO THE LONGITUDINAL AXIS, AND CONSEQUENTLY AROUND A THIRD AXIS PERPENDICULAR TO THE FIRST TWO. THE H3 IMINO PROTONS OF THE HEMI-PROTONATED C.C+ PAIRS WERE NOT INCORPORATED IN THE COMPUTATIONS. T 1 n 1 DT 1 A C 2 n 2 DC 2 A C 3 n 3 DC 3 A T 4 n 1 DT 4 B C 5 n 2 DC 5 B C 6 n 3 DC 6 B T 7 n 1 DT 7 C C 8 n 2 DC 8 C C 9 n 3 DC 9 C T 10 n 1 DT 10 D C 11 n 2 DC 11 D C 12 n 3 DC 12 D 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 2.45 0.30 108.30 110.75 A A A O4' C1' N1 DT DT DT 1 1 1 N 1 2.79 0.30 108.30 111.09 A A A O4' C1' N1 DC DC DC 2 2 2 N 1 2.45 0.30 108.30 110.75 A A A O4' C1' N1 DC DC DC 3 3 3 N 1 2.50 0.30 108.30 110.80 B B B O4' C1' N1 DT DT DT 4 4 4 N 1 -3.67 0.60 122.90 119.23 B B B C6 C5 C7 DT DT DT 4 4 4 N 1 4.07 0.30 108.30 112.37 B B B O4' C1' N1 DC DC DC 5 5 5 N 1 2.44 0.30 108.30 110.74 B B B O4' C1' N1 DC DC DC 6 6 6 N 1 3.16 0.30 108.30 111.46 C C C O4' C1' N1 DT DT DT 7 7 7 N 1 2.70 0.30 108.30 111.00 C C C O4' C1' N1 DC DC DC 8 8 8 N 1 2.12 0.30 108.30 110.42 C C C O4' C1' N1 DC DC DC 9 9 9 N 1 2.63 0.30 108.30 110.93 D D D O4' C1' N1 DT DT DT 10 10 10 N 1 2.76 0.30 108.30 111.06 D D D O4' C1' N1 DC DC DC 11 11 11 N 1 2.06 0.30 108.30 110.36 D D D O4' C1' N1 DC DC DC 12 12 12 N 2 2.53 0.30 108.30 110.83 A A A O4' C1' N1 DT DT DT 1 1 1 N 2 4.21 0.30 108.30 112.51 A A A O4' C1' N1 DC DC DC 2 2 2 N 2 2.14 0.30 108.30 110.44 A A A O4' C1' N1 DC DC DC 3 3 3 N 2 2.66 0.30 108.30 110.96 B B B O4' C1' N1 DT DT DT 4 4 4 N 2 4.22 0.30 108.30 112.52 B B B O4' C1' N1 DC DC DC 5 5 5 N 2 2.06 0.30 108.30 110.36 B B B O4' C1' N1 DC DC DC 6 6 6 N 2 2.56 0.30 108.30 110.86 C C C O4' C1' N1 DT DT DT 7 7 7 N 2 2.82 0.30 108.30 111.12 C C C O4' C1' N1 DC DC DC 8 8 8 N 2 2.49 0.30 108.30 110.79 C C C O4' C1' N1 DC DC DC 9 9 9 N 2 2.45 0.30 108.30 110.75 D D D O4' C1' N1 DT DT DT 10 10 10 N 2 3.66 0.30 108.30 111.96 D D D O4' C1' N1 DC DC DC 11 11 11 N 2 2.09 0.30 108.30 110.39 D D D O4' C1' N1 DC DC DC 12 12 12 N 3 2.54 0.30 108.30 110.84 A A A O4' C1' N1 DT DT DT 1 1 1 N 3 3.58 0.30 108.30 111.88 A A A O4' C1' N1 DC DC DC 2 2 2 N 3 2.00 0.30 108.30 110.30 A A A O4' C1' N1 DC DC DC 3 3 3 N 3 3.05 0.30 108.30 111.35 B B B O4' C1' N1 DT DT DT 4 4 4 N 3 2.88 0.30 108.30 111.18 B B B O4' C1' N1 DC DC DC 5 5 5 N 3 2.49 0.30 108.30 110.79 B B B O4' C1' N1 DC DC DC 6 6 6 N 3 2.35 0.30 108.30 110.65 C C C O4' C1' N1 DT DT DT 7 7 7 N 3 2.88 0.30 108.30 111.18 C C C O4' C1' N1 DC DC DC 8 8 8 N 3 2.66 0.30 108.30 110.96 C C C O4' C1' N1 DC DC DC 9 9 9 N 3 2.82 0.30 108.30 111.12 D D D O4' C1' N1 DT DT DT 10 10 10 N 3 3.41 0.30 108.30 111.71 D D D O4' C1' N1 DC DC DC 11 11 11 N 3 2.12 0.30 108.30 110.42 D D D O4' C1' N1 DC DC DC 12 12 12 N 4 2.76 0.30 108.30 111.06 A A A O4' C1' N1 DT DT DT 1 1 1 N 4 2.73 0.30 108.30 111.03 A A A O4' C1' N1 DC DC DC 2 2 2 N 4 2.24 0.30 108.30 110.54 A A A O4' C1' N1 DC DC DC 3 3 3 N 4 3.23 0.30 108.30 111.53 B B B O4' C1' N1 DT DT DT 4 4 4 N 4 -3.62 0.60 122.90 119.28 B B B C6 C5 C7 DT DT DT 4 4 4 N 4 2.67 0.30 108.30 110.97 B B B O4' C1' N1 DC DC DC 5 5 5 N 4 2.80 0.30 108.30 111.10 C C C O4' C1' N1 DT DT DT 7 7 7 N 4 -3.62 0.60 122.90 119.28 C C C C6 C5 C7 DT DT DT 7 7 7 N 4 2.73 0.30 108.30 111.03 C C C O4' C1' N1 DC DC DC 8 8 8 N 4 2.54 0.30 108.30 110.84 C C C O4' C1' N1 DC DC DC 9 9 9 N 4 2.37 0.30 108.30 110.67 D D D O4' C1' N1 DT DT DT 10 10 10 N 4 -3.62 0.60 122.90 119.28 D D D C6 C5 C7 DT DT DT 10 10 10 N 4 2.77 0.30 108.30 111.07 D D D O4' C1' N1 DC DC DC 11 11 11 N 4 2.32 0.30 108.30 110.62 D D D O4' C1' N1 DC DC DC 12 12 12 N 5 2.50 0.30 108.30 110.80 A A A O4' C1' N1 DT DT DT 1 1 1 N 5 3.19 0.30 108.30 111.49 A A A O4' C1' N1 DC DC DC 2 2 2 N 5 2.32 0.30 108.30 110.62 A A A O4' C1' N1 DC DC DC 3 3 3 N 5 2.45 0.30 108.30 110.75 B B B O4' C1' N1 DT DT DT 4 4 4 N 5 2.57 0.30 108.30 110.87 B B B O4' C1' N1 DC DC DC 5 5 5 N 5 2.48 0.30 108.30 110.78 B B B O4' C1' N1 DC DC DC 6 6 6 N 5 3.43 0.30 108.30 111.73 C C C O4' C1' N1 DT DT DT 7 7 7 N 5 -3.62 0.60 122.90 119.28 C C C C6 C5 C7 DT DT DT 7 7 7 N 5 2.45 0.30 108.30 110.75 C C C O4' C1' N1 DC DC DC 8 8 8 N 5 2.24 0.30 108.30 110.54 C C C O4' C1' N1 DC DC DC 9 9 9 N 5 2.54 0.30 108.30 110.84 D D D O4' C1' N1 DT DT DT 10 10 10 N 5 2.77 0.30 108.30 111.07 D D D O4' C1' N1 DC DC DC 11 11 11 N 6 2.68 0.30 108.30 110.98 A A A O4' C1' N1 DT DT DT 1 1 1 N 6 2.91 0.30 108.30 111.21 A A A O4' C1' N1 DC DC DC 2 2 2 N 6 2.09 0.30 108.30 110.39 A A A O4' C1' N1 DC DC DC 3 3 3 N 6 2.41 0.30 108.30 110.71 B B B O4' C1' N1 DT DT DT 4 4 4 N 6 2.69 0.30 108.30 110.99 B B B O4' C1' N1 DC DC DC 5 5 5 N 6 2.14 0.30 108.30 110.44 B B B O4' C1' N1 DC DC DC 6 6 6 N 6 2.50 0.30 108.30 110.80 C C C O4' C1' N1 DT DT DT 7 7 7 N 6 2.58 0.30 108.30 110.88 C C C O4' C1' N1 DC DC DC 8 8 8 N 6 2.25 0.30 108.30 110.55 C C C O4' C1' N1 DC DC DC 9 9 9 N 6 2.34 0.30 108.30 110.64 D D D O4' C1' N1 DT DT DT 10 10 10 N 6 -3.60 0.60 122.90 119.30 D D D C6 C5 C7 DT DT DT 10 10 10 N 6 2.71 0.30 108.30 111.01 D D D O4' C1' N1 DC DC DC 11 11 11 N 6 2.43 0.30 108.30 110.73 D D D O4' C1' N1 DC DC DC 12 12 12 N 7 2.39 0.30 108.30 110.69 A A A O4' C1' N1 DT DT DT 1 1 1 N 7 -3.64 0.60 122.90 119.26 A A A C6 C5 C7 DT DT DT 1 1 1 N 7 2.92 0.30 108.30 111.22 A A A O4' C1' N1 DC DC DC 2 2 2 N 7 1.96 0.30 108.30 110.26 A A A O4' C1' N1 DC DC DC 3 3 3 N 7 2.48 0.30 108.30 110.78 B B B O4' C1' N1 DT DT DT 4 4 4 N 7 -3.63 0.60 122.90 119.27 B B B C6 C5 C7 DT DT DT 4 4 4 N 7 2.40 0.30 108.30 110.70 B B B O4' C1' N1 DC DC DC 5 5 5 N 7 2.02 0.30 108.30 110.32 B B B O4' C1' N1 DC DC DC 6 6 6 N 7 3.13 0.30 108.30 111.43 C C C O4' C1' N1 DT DT DT 7 7 7 N 7 2.89 0.30 108.30 111.19 C C C O4' C1' N1 DC DC DC 8 8 8 N 7 2.05 0.30 108.30 110.35 C C C O4' C1' N1 DC DC DC 9 9 9 N 7 2.51 0.30 108.30 110.81 D D D O4' C1' N1 DT DT DT 10 10 10 N 7 2.50 0.30 108.30 110.80 D D D O4' C1' N1 DC DC DC 11 11 11 N 7 2.18 0.30 108.30 110.48 D D D O4' C1' N1 DC DC DC 12 12 12 N 8 2.61 0.30 108.30 110.91 A A A O4' C1' N1 DT DT DT 1 1 1 N 8 3.66 0.30 108.30 111.96 A A A O4' C1' N1 DC DC DC 2 2 2 N 8 2.19 0.30 108.30 110.49 A A A O4' C1' N1 DC DC DC 3 3 3 N 8 2.49 0.30 108.30 110.79 B B B O4' C1' N1 DT DT DT 4 4 4 N 8 3.06 0.30 108.30 111.36 B B B O4' C1' N1 DC DC DC 5 5 5 N 8 2.55 0.30 108.30 110.85 B B B O4' C1' N1 DC DC DC 6 6 6 N 8 2.32 0.30 108.30 110.62 C C C O4' C1' N1 DT DT DT 7 7 7 N 8 3.09 0.30 108.30 111.39 C C C O4' C1' N1 DC DC DC 8 8 8 N 8 2.44 0.30 108.30 110.74 C C C O4' C1' N1 DC DC DC 9 9 9 N 8 2.99 0.30 108.30 111.29 D D D O4' C1' N1 DT DT DT 10 10 10 N 8 3.79 0.30 108.30 112.09 D D D O4' C1' N1 DC DC DC 11 11 11 N 8 2.90 0.30 108.30 111.20 D D D O4' C1' N1 DC DC DC 12 12 12 N model building X-PLOR refinement X-PLOR phasing X-PLOR SOLUTION STRUCTURES OF THE I-MOTIF TETRAMERS OF D(TCC), D(5MCCT) AND D(T5MCC). NOVEL NOE CONNECTIONS BETWEEN AMINO PROTONS AND SUGAR PROTONS 1 N N 1 N N 1 N N 1 N N hydrog TYPE_15_PAIR A DC 2 A N4 DC 2 1_555 C DC 8 C O2 DC 2 1_555 hydrog TYPE_15_PAIR A DC 2 A O2 DC 2 1_555 C DC 8 C N4 DC 2 1_555 hydrog TYPE_15_PAIR A DC 3 A N4 DC 3 1_555 C DC 9 C O2 DC 3 1_555 hydrog TYPE_15_PAIR A DC 3 A O2 DC 3 1_555 C DC 9 C N4 DC 3 1_555 hydrog TYPE_15_PAIR B DC 5 B N4 DC 2 1_555 D DC 11 D O2 DC 2 1_555 hydrog TYPE_15_PAIR B DC 5 B O2 DC 2 1_555 D DC 11 D N4 DC 2 1_555 hydrog TYPE_15_PAIR B DC 6 B N4 DC 3 1_555 D DC 12 D O2 DC 3 1_555 hydrog TYPE_15_PAIR B DC 6 B O2 DC 3 1_555 D DC 12 D N4 DC 3 1_555 DNA DNA 105D PDB 1 105D 1 3 105D 1 3 105D A 1 1 3 4 6 105D 4 6 105D B 1 1 3 7 9 105D 7 9 105D C 1 1 3 10 12 105D 10 12 105D D 1 1 3 1 P 1