**************************************************************************** **************************************************************************** 3DNA (v1.5, Nov. 2002) by Xiang-Jun Lu at Wilma K. Olson's Lab. **************************************************************************** 1. The list of the parameters given below correspond to the 5' to 3' direction of strand I and 3' to 5' direction of strand II. 2. All angular parameters, except for the phase angle of sugar pseudo- rotation, are measured in degrees in the range of [-180, +180], and all displacements are measured in Angstrom units. **************************************************************************** File name: gatc-b.pdb Date and time: Thu Nov 2 19:20:45 2006 Number of base-pairs: 16 Number of atoms: 656 **************************************************************************** **************************************************************************** RMSD of the bases (----- for WC bp, + for isolated bp, x for helix change) Strand I Strand II Helix 1 (0.009) A:...1_:[..G]G-----C[..C]:..32_:B (0.008) | 2 (0.009) A:...2_:[..A]A-----T[..T]:..31_:B (0.018) | 3 (0.018) A:...3_:[..T]T-----A[..A]:..30_:B (0.009) | 4 (0.008) A:...4_:[..C]C-----G[..G]:..29_:B (0.009) | 5 (0.009) A:...5_:[..G]G-----C[..C]:..28_:B (0.008) | 6 (0.009) A:...6_:[..A]A-----T[..T]:..27_:B (0.018) | 7 (0.018) A:...7_:[..T]T-----A[..A]:..26_:B (0.009) | 8 (0.008) A:...8_:[..C]C-----G[..G]:..25_:B (0.009) | 9 (0.009) A:...9_:[..G]G-----C[..C]:..24_:B (0.008) | 10 (0.009) A:..10_:[..A]A-----T[..T]:..23_:B (0.018) | 11 (0.018) A:..11_:[..T]T-----A[..A]:..22_:B (0.009) | 12 (0.008) A:..12_:[..C]C-----G[..G]:..21_:B (0.009) | 13 (0.009) A:..13_:[..G]G-----C[..C]:..20_:B (0.008) | 14 (0.009) A:..14_:[..A]A-----T[..T]:..19_:B (0.018) | 15 (0.018) A:..15_:[..T]T-----A[..A]:..18_:B (0.009) | 16 (0.008) A:..16_:[..C]C-----G[..G]:..17_:B (0.009) | **************************************************************************** Detailed H-bond information: atom-name pair and length [ON] 1 G-----C [3] O6 - N4 2.85 N1 - N3 2.85 N2 - O2 2.85 2 A-----T [2] N6 - O4 2.95 N1 - N3 2.88 3 T-----A [2] N3 - N1 2.88 O4 - N6 2.95 4 C-----G [3] O2 - N2 2.85 N3 - N1 2.85 N4 - O6 2.85 5 G-----C [3] O6 - N4 2.85 N1 - N3 2.85 N2 - O2 2.85 6 A-----T [2] N6 - O4 2.95 N1 - N3 2.88 7 T-----A [2] N3 - N1 2.88 O4 - N6 2.95 8 C-----G [3] O2 - N2 2.85 N3 - N1 2.85 N4 - O6 2.85 9 G-----C [3] O6 - N4 2.85 N1 - N3 2.85 N2 - O2 2.85 10 A-----T [2] N6 - O4 2.95 N1 - N3 2.88 11 T-----A [2] N3 - N1 2.88 O4 - N6 2.95 12 C-----G [3] O2 - N2 2.85 N3 - N1 2.85 N4 - O6 2.85 13 G-----C [3] O6 - N4 2.85 N1 - N3 2.85 N2 - O2 2.85 14 A-----T [2] N6 - O4 2.95 N1 - N3 2.88 15 T-----A [2] N3 - N1 2.88 O4 - N6 2.95 16 C-----G [3] O2 - N2 2.85 N3 - N1 2.85 N4 - O6 2.85 **************************************************************************** Overlap area in Angstrom^2 between polygons defined by atoms on successive bases. Polygons projected in the mean plane of the designed base-pair step. Values in parentheses measure the overlap of base ring atoms only. Those outside parentheses include exocyclic atoms on the ring. Intra- and inter-strand overlap is designated according to the following diagram: i2 3' 5' j2 /|\ | | | Strand I | | II | | | | | \|/ i1 5' 3' j1 step i1-i2 i1-j2 j1-i2 j1-j2 sum 1 GA/TC 5.20( 2.22) 0.00( 0.00) 0.00( 0.00) 3.74( 0.14) 8.94( 2.36) 2 AT/AT 4.08( 0.41) 0.00( 0.00) 0.00( 0.00) 4.08( 0.41) 8.16( 0.82) 3 TC/GA 3.74( 0.14) 0.00( 0.00) 0.00( 0.00) 5.20( 2.22) 8.94( 2.36) 4 CG/CG 1.50( 0.00) 0.00( 0.00) 0.65( 0.00) 1.50( 0.00) 3.65( 0.00) 5 GA/TC 5.20( 2.22) 0.00( 0.00) 0.00( 0.00) 3.74( 0.14) 8.94( 2.36) 6 AT/AT 4.08( 0.41) 0.00( 0.00) 0.00( 0.00) 4.08( 0.41) 8.16( 0.82) 7 TC/GA 3.74( 0.14) 0.00( 0.00) 0.00( 0.00) 5.20( 2.22) 8.94( 2.37) 8 CG/CG 1.50( 0.00) 0.00( 0.00) 0.65( 0.00) 1.50( 0.00) 3.65( 0.00) 9 GA/TC 5.20( 2.22) 0.00( 0.00) 0.00( 0.00) 3.74( 0.14) 8.94( 2.37) 10 AT/AT 4.08( 0.41) 0.00( 0.00) 0.00( 0.00) 4.08( 0.41) 8.16( 0.82) 11 TC/GA 3.74( 0.14) 0.00( 0.00) 0.00( 0.00) 5.20( 2.22) 8.94( 2.36) 12 CG/CG 1.50( 0.00) 0.00( 0.00) 0.65( 0.00) 1.50( 0.00) 3.65( 0.00) 13 GA/TC 5.20( 2.22) 0.00( 0.00) 0.00( 0.00) 3.74( 0.14) 8.94( 2.36) 14 AT/AT 4.08( 0.41) 0.00( 0.00) 0.00( 0.00) 4.08( 0.41) 8.16( 0.82) 15 TC/GA 3.74( 0.14) 0.00( 0.00) 0.00( 0.00) 5.20( 2.22) 8.94( 2.36) **************************************************************************** Origin (Ox, Oy, Oz) and mean normal vector (Nx, Ny, Nz) of each base-pair in the coordinate system of the given structure bp Ox Oy Oz Nx Ny Nz 1 G-C -0.52 -0.03 0.01 0.00 -0.05 -1.00 2 A-T -0.39 0.29 -3.38 -0.03 -0.04 -1.00 3 T-A -0.16 0.46 -6.75 -0.05 -0.01 -1.00 4 C-G 0.19 0.48 -10.14 -0.05 0.01 -1.00 5 G-C 0.40 0.33 -13.49 -0.03 0.04 -1.00 6 A-T 0.48 -0.01 -16.88 0.00 0.05 -1.00 7 T-A 0.40 -0.28 -20.25 0.03 0.04 -1.00 8 C-G 0.13 -0.50 -23.64 0.05 0.01 -1.00 9 G-C -0.13 -0.50 -26.99 0.05 -0.01 -1.00 10 A-T -0.40 -0.28 -30.38 0.03 -0.04 -1.00 11 T-A -0.48 -0.01 -33.75 0.00 -0.05 -1.00 12 C-G -0.40 0.33 -37.14 -0.03 -0.04 -1.00 13 G-C -0.19 0.48 -40.49 -0.05 -0.01 -1.00 14 A-T 0.16 0.46 -43.88 -0.05 0.01 -1.00 15 T-A 0.39 0.29 -47.25 -0.03 0.04 -1.00 16 C-G 0.52 -0.03 -50.64 0.00 0.05 -1.00 **************************************************************************** Local base-pair parameters bp Shear Stretch Stagger Buckle Propeller Opening 1 G-C -0.14 -0.18 0.10 0.26 -15.15 -1.31 2 A-T 0.03 -0.10 0.09 -0.04 -15.13 -1.88 3 T-A -0.03 -0.10 0.09 0.04 -15.13 -1.87 4 C-G 0.14 -0.18 0.10 -0.26 -15.15 -1.29 5 G-C -0.14 -0.18 0.10 0.26 -15.15 -1.30 6 A-T 0.03 -0.10 0.09 -0.04 -15.13 -1.88 7 T-A -0.03 -0.10 0.09 0.04 -15.13 -1.88 8 C-G 0.14 -0.18 0.10 -0.26 -15.14 -1.29 9 G-C -0.14 -0.18 0.10 0.26 -15.14 -1.29 10 A-T 0.03 -0.10 0.09 -0.04 -15.13 -1.88 11 T-A -0.03 -0.10 0.09 0.04 -15.13 -1.88 12 C-G 0.14 -0.18 0.10 -0.26 -15.15 -1.30 13 G-C -0.14 -0.18 0.10 0.26 -15.15 -1.29 14 A-T 0.03 -0.10 0.09 -0.04 -15.13 -1.87 15 T-A -0.03 -0.10 0.09 0.04 -15.13 -1.88 16 C-G 0.14 -0.18 0.10 -0.26 -15.15 -1.31 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ave. 0.00 -0.14 0.09 0.00 -15.14 -1.59 s.d. 0.11 0.05 0.00 0.19 0.01 0.30 **************************************************************************** Local base-pair step parameters step Shift Slide Rise Tilt Roll Twist 1 GA/TC -0.03 0.50 3.37 -0.01 1.71 37.13 2 AT/AT 0.00 0.44 3.35 0.00 1.71 35.67 3 TC/GA 0.03 0.50 3.37 0.01 1.71 37.13 4 CG/CG -0.00 0.41 3.34 -0.00 1.70 33.93 5 GA/TC -0.03 0.50 3.37 -0.01 1.72 37.12 6 AT/AT 0.00 0.44 3.35 -0.00 1.70 35.67 7 TC/GA 0.03 0.50 3.37 0.01 1.72 37.13 8 CG/CG -0.00 0.41 3.34 -0.00 1.70 33.92 9 GA/TC -0.03 0.50 3.37 -0.01 1.72 37.13 10 AT/AT -0.00 0.44 3.35 0.00 1.70 35.67 11 TC/GA 0.03 0.50 3.37 0.01 1.72 37.12 12 CG/CG 0.00 0.41 3.34 0.00 1.70 33.93 13 GA/TC -0.03 0.50 3.37 -0.01 1.71 37.13 14 AT/AT -0.00 0.44 3.35 -0.00 1.71 35.67 15 TC/GA 0.03 0.50 3.37 0.01 1.71 37.13 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ave. -0.00 0.47 3.36 -0.00 1.71 36.10 s.d. 0.02 0.04 0.01 0.01 0.01 1.29 **************************************************************************** Local base-pair helical parameters step X-disp Y-disp h-Rise Incl. Tip h-Twist 1 GA/TC 0.55 0.04 3.39 2.69 0.02 37.17 2 AT/AT 0.46 -0.00 3.37 2.78 -0.00 35.71 3 TC/GA 0.55 -0.04 3.39 2.69 -0.02 37.16 4 CG/CG 0.43 0.00 3.35 2.91 0.00 33.97 5 GA/TC 0.55 0.04 3.39 2.69 0.02 37.16 6 AT/AT 0.46 -0.00 3.37 2.78 0.00 35.71 7 TC/GA 0.55 -0.04 3.39 2.69 -0.02 37.17 8 CG/CG 0.43 0.00 3.35 2.91 0.00 33.96 9 GA/TC 0.55 0.04 3.39 2.69 0.02 37.17 10 AT/AT 0.46 0.00 3.37 2.78 -0.00 35.71 11 TC/GA 0.55 -0.04 3.39 2.69 -0.02 37.16 12 CG/CG 0.43 -0.00 3.35 2.91 -0.00 33.97 13 GA/TC 0.55 0.04 3.39 2.69 0.02 37.16 14 AT/AT 0.46 0.00 3.37 2.78 0.00 35.71 15 TC/GA 0.55 -0.04 3.39 2.69 -0.02 37.17 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ave. 0.50 -0.00 3.38 2.76 0.00 36.14 s.d. 0.06 0.03 0.01 0.09 0.02 1.29 **************************************************************************** Structure classification: This is a right-handed nucleic acid structure **************************************************************************** lambda: virtual angle between C1'-YN1 or C1'-RN9 glycosidic bonds and the base-pair C1'-C1' line C1'-C1': distance between C1' atoms for each base-pair RN9-YN1: distance between RN9-YN1 atoms for each base-pair RC8-YC6: distance between RC8-YC6 atoms for each base-pair bp lambda(I) lambda(II) C1'-C1' RN9-YN1 RC8-YC6 1 G-C 54.2 54.2 10.7 8.9 9.8 2 A-T 54.2 54.2 10.7 8.9 9.9 3 T-A 54.1 54.2 10.7 8.9 9.9 4 C-G 54.2 54.1 10.7 8.9 9.8 5 G-C 54.2 54.2 10.7 8.9 9.8 6 A-T 54.2 54.2 10.7 8.9 9.9 7 T-A 54.2 54.2 10.7 8.9 9.9 8 C-G 54.1 54.2 10.7 8.9 9.8 9 G-C 54.2 54.1 10.7 8.9 9.8 10 A-T 54.2 54.2 10.7 8.9 9.9 11 T-A 54.2 54.2 10.7 8.9 9.9 12 C-G 54.2 54.2 10.7 8.9 9.8 13 G-C 54.1 54.2 10.7 8.9 9.8 14 A-T 54.2 54.1 10.7 8.9 9.9 15 T-A 54.2 54.2 10.7 8.9 9.9 16 C-G 54.2 54.2 10.7 8.9 9.8 **************************************************************************** Classification of each dinucleotide step in a right-handed nucleic acid structure: A-like; B-like; TA-like; intermediate of A and B, or other cases step Xp Yp Zp XpH YpH ZpH Form 1 GA/TC -2.98 8.86 -0.57 -2.45 8.88 -0.17 B 2 AT/AT -2.97 8.86 -0.57 -2.54 8.88 -0.16 B 3 TC/GA -2.98 8.86 -0.57 -2.45 8.88 -0.17 B 4 CG/CG -3.01 8.86 -0.57 -2.60 8.88 -0.14 B 5 GA/TC -2.98 8.86 -0.57 -2.45 8.88 -0.17 B 6 AT/AT -2.97 8.86 -0.57 -2.54 8.88 -0.16 B 7 TC/GA -2.98 8.86 -0.57 -2.46 8.88 -0.17 B 8 CG/CG -3.01 8.86 -0.57 -2.60 8.88 -0.14 B 9 GA/TC -2.98 8.86 -0.57 -2.46 8.88 -0.17 B 10 AT/AT -2.97 8.86 -0.57 -2.54 8.88 -0.16 B 11 TC/GA -2.98 8.86 -0.57 -2.45 8.88 -0.17 B 12 CG/CG -3.01 8.86 -0.57 -2.60 8.88 -0.14 B 13 GA/TC -2.98 8.86 -0.57 -2.45 8.88 -0.17 B 14 AT/AT -2.97 8.86 -0.57 -2.54 8.88 -0.16 B 15 TC/GA -2.98 8.86 -0.57 -2.45 8.88 -0.17 B **************************************************************************** Minor and major groove widths: direct P-P distances and refined P-P distances which take into account the directions of the sugar-phosphate backbones (Subtract 5.8 Angstrom from the values to take account of the vdw radii of the phosphate groups, and for comparison with FreeHelix and Curves.) Ref: M. A. El Hassan and C. R. Calladine (1998). ``Two Distinct Modes of Protein-induced Bending in DNA.'' J. Mol. Biol., v282, pp331-343. Minor Groove Major Groove P-P Refined P-P Refined 1 GA/TC --- --- --- --- 2 AT/AT --- --- --- --- 3 TC/GA 11.7 --- 17.2 --- 4 CG/CG 11.7 11.7 17.2 17.2 5 GA/TC 11.7 11.7 17.2 17.2 6 AT/AT 11.7 11.7 17.2 17.2 7 TC/GA 11.7 11.7 17.2 17.2 8 CG/CG 11.7 11.7 17.2 17.2 9 GA/TC 11.7 11.7 17.2 17.2 10 AT/AT 11.7 11.7 17.2 17.2 11 TC/GA 11.7 11.7 17.2 17.2 12 CG/CG 11.7 11.7 17.2 17.2 13 GA/TC 11.7 --- 17.2 --- 14 AT/AT --- --- --- --- 15 TC/GA --- --- --- --- **************************************************************************** Global linear helical axis defined by equivalent C1' and RN9/YN1 atom pairs Deviation from regular linear helix: 3.38(0.00) Helix: -0.000 -0.000 -1.000 HETATM 9998 XS X X 999 -0.000 0.000 0.000 HETATM 9999 XE X X 999 -0.000 0.000 -50.625 Average and standard deviation of helix radius: P: 9.23(0.00), O4': 6.15(0.00), C1': 5.68(0.00) Global parameters based on C1'-C1' vectors: disp.: displacement of the middle C1'-C1' point from the helix angle: inclination between C1'-C1' vector and helix (subtracted from 90) twist: helical twist angle between consecutive C1'-C1' vectors rise: helical rise by projection of the vector connecting consecutive C1'-C1' middle points onto the helical axis bp disp. angle twist rise 1 G-C 1.91 -0.17 36.00 3.38 2 A-T 1.91 -0.17 36.00 3.38 3 T-A 1.91 -0.17 36.00 3.38 4 C-G 1.91 -0.17 36.00 3.38 5 G-C 1.91 -0.17 36.00 3.38 6 A-T 1.91 -0.17 36.00 3.38 7 T-A 1.91 -0.17 36.00 3.38 8 C-G 1.91 -0.17 36.00 3.38 9 G-C 1.91 -0.17 36.00 3.38 10 A-T 1.91 -0.17 36.00 3.38 11 T-A 1.91 -0.17 36.00 3.38 12 C-G 1.91 -0.17 36.00 3.38 13 G-C 1.91 -0.17 36.00 3.38 14 A-T 1.91 -0.17 36.00 3.38 15 T-A 1.91 -0.17 36.00 3.38 16 C-G 1.91 -0.17 --- --- **************************************************************************** Main chain and chi torsion angles: Note: alpha: O3'(i-1)-P-O5'-C5' beta: P-O5'-C5'-C4' gamma: O5'-C5'-C4'-C3' delta: C5'-C4'-C3'-O3' epsilon: C4'-C3'-O3'-P(i+1) zeta: C3'-O3'-P(i+1)-O5'(i+1) chi for pyrimidines(Y): O4'-C1'-N1-C2 chi for purines(R): O4'-C1'-N9-C4 Strand I base alpha beta gamma delta epsilon zeta chi 1 G --- 136.4 31.1 143.4 -140.8 -160.5 -98.0 2 A -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 3 T -29.9 136.3 31.1 143.3 -140.8 -160.5 -97.9 4 C -29.9 136.4 31.1 143.4 -140.8 -160.5 -98.0 5 G -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 6 A -29.9 136.4 31.1 143.4 -140.8 -160.5 -98.0 7 T -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 8 C -29.9 136.3 31.1 143.3 -140.8 -160.5 -97.9 9 G -29.9 136.4 31.1 143.4 -140.8 -160.5 -98.0 10 A -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 11 T -29.9 136.4 31.1 143.4 -140.8 -160.5 -98.0 12 C -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 13 G -29.9 136.3 31.1 143.3 -140.8 -160.5 -98.0 14 A -29.9 136.4 31.1 143.4 -140.8 -160.5 -98.0 15 T -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 16 C -29.9 136.4 31.1 143.4 --- --- -98.0 Strand II base alpha beta gamma delta epsilon zeta chi 1 C -29.9 136.4 31.1 143.4 --- --- -98.0 2 T -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 3 A -29.9 136.4 31.1 143.4 -140.8 -160.5 -98.0 4 G -29.9 136.3 31.1 143.3 -140.8 -160.5 -98.0 5 C -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 6 T -29.9 136.4 31.1 143.4 -140.8 -160.5 -98.0 7 A -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 8 G -29.9 136.4 31.1 143.4 -140.8 -160.5 -98.0 9 C -29.9 136.3 31.1 143.3 -140.8 -160.5 -97.9 10 T -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 11 A -29.9 136.4 31.1 143.4 -140.8 -160.5 -98.0 12 G -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 13 C -29.9 136.4 31.1 143.4 -140.8 -160.5 -98.0 14 T -29.9 136.3 31.1 143.3 -140.8 -160.5 -97.9 15 A -29.9 136.3 31.2 143.3 -140.8 -160.5 -98.0 16 G --- 136.4 31.1 143.4 -140.8 -160.5 -98.0 **************************************************************************** Sugar conformational parameters: Note: v0: C4'-O4'-C1'-C2' v1: O4'-C1'-C2'-C3' v2: C1'-C2'-C3'-C4' v3: C2'-C3'-C4'-O4' v4: C3'-C4'-O4'-C1' tm: amplitude of pseudorotation of the sugar ring P: phase angle of pseudorotation of the sugar ring Strand I base v0 v1 v2 v3 v4 tm P Puckering 1 G -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 2 A -33.0 44.7 -40.2 23.1 5.9 44.7 153.9 C2'-endo 3 T -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 4 C -33.0 44.7 -40.2 23.0 6.0 44.8 153.9 C2'-endo 5 G -33.1 44.8 -40.2 23.1 5.9 44.8 153.9 C2'-endo 6 A -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 7 T -33.0 44.7 -40.2 23.1 5.9 44.7 153.9 C2'-endo 8 C -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 9 G -33.0 44.7 -40.2 23.0 6.0 44.8 153.9 C2'-endo 10 A -33.1 44.8 -40.2 23.1 5.9 44.8 153.9 C2'-endo 11 T -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 12 C -33.0 44.7 -40.2 23.1 5.9 44.7 153.9 C2'-endo 13 G -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 14 A -33.0 44.7 -40.2 23.0 6.0 44.8 153.9 C2'-endo 15 T -33.1 44.8 -40.2 23.1 5.9 44.8 153.9 C2'-endo 16 C -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo Strand II base v0 v1 v2 v3 v4 tm P Puckering 1 C -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 2 T -33.1 44.8 -40.2 23.1 5.9 44.8 153.9 C2'-endo 3 A -33.0 44.7 -40.2 23.0 6.0 44.8 153.9 C2'-endo 4 G -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 5 C -33.0 44.7 -40.2 23.1 5.9 44.7 153.9 C2'-endo 6 T -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 7 A -33.1 44.8 -40.2 23.1 5.9 44.8 153.9 C2'-endo 8 G -33.0 44.7 -40.2 23.0 6.0 44.8 153.9 C2'-endo 9 C -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 10 T -33.0 44.7 -40.2 23.1 5.9 44.7 153.9 C2'-endo 11 A -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 12 G -33.1 44.8 -40.2 23.1 5.9 44.8 153.9 C2'-endo 13 C -33.0 44.7 -40.2 23.0 6.0 44.8 153.9 C2'-endo 14 T -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo 15 A -33.0 44.7 -40.2 23.1 5.9 44.7 153.9 C2'-endo 16 G -33.0 44.7 -40.2 23.1 5.9 44.8 153.9 C2'-endo **************************************************************************** Same strand P--P and C1'--C1' virtual bond distances Strand I Strand II base P--P C1'--C1' base P--P C1'--C1' 1 G/A 6.6 4.9 1 C/T 6.6 4.9 2 A/T 6.6 4.9 2 T/A 6.6 4.9 3 T/C 6.6 4.9 3 A/G 6.6 4.9 4 C/G 6.6 4.9 4 G/C 6.6 4.9 5 G/A 6.6 4.9 5 C/T 6.6 4.9 6 A/T 6.6 4.9 6 T/A 6.6 4.9 7 T/C 6.6 4.9 7 A/G 6.6 4.9 8 C/G 6.6 4.9 8 G/C 6.6 4.9 9 G/A 6.6 4.9 9 C/T 6.6 4.9 10 A/T 6.6 4.9 10 T/A 6.6 4.9 11 T/C 6.6 4.9 11 A/G 6.6 4.9 12 C/G 6.6 4.9 12 G/C 6.6 4.9 13 G/A 6.6 4.9 13 C/T 6.6 4.9 14 A/T 6.6 4.9 14 T/A 6.6 4.9 15 T/C 6.6 4.9 15 A/G 6.6 4.9 **************************************************************************** Helix radius (radial displacement of P, O4', and C1' atoms in local helix frame of each dimer) Strand I Strand II step P O4' C1' P O4' C1' 1 GA/TC 9.3 6.2 5.7 9.2 6.1 5.6 2 AT/AT 9.2 6.2 5.7 9.2 6.2 5.7 3 TC/GA 9.2 6.1 5.6 9.3 6.2 5.7 4 CG/CG 9.3 6.2 5.7 9.2 6.2 5.7 5 GA/TC 9.3 6.2 5.7 9.2 6.1 5.6 6 AT/AT 9.2 6.2 5.7 9.2 6.2 5.7 7 TC/GA 9.2 6.1 5.6 9.3 6.2 5.7 8 CG/CG 9.3 6.2 5.7 9.3 6.2 5.7 9 GA/TC 9.3 6.2 5.7 9.2 6.1 5.6 10 AT/AT 9.2 6.2 5.7 9.2 6.2 5.7 11 TC/GA 9.2 6.1 5.6 9.3 6.2 5.7 12 CG/CG 9.2 6.2 5.7 9.3 6.2 5.7 13 GA/TC 9.3 6.2 5.7 9.2 6.1 5.6 14 AT/AT 9.2 6.2 5.7 9.2 6.2 5.7 15 TC/GA 9.2 6.1 5.6 9.3 6.2 5.7 **************************************************************************** Position (Px, Py, Pz) and local helical axis vector (Hx, Hy, Hz) for each dinucleotide step bp Px Py Pz Hx Hy Hz 1 GA/TC 0.04 -0.07 -1.68 -0.00 -0.00 -1.00 2 AT/AT -0.02 0.02 -5.06 0.00 0.00 -1.00 3 TC/GA 0.05 -0.06 -8.44 -0.00 0.00 -1.00 4 CG/CG 0.05 0.07 -11.81 0.00 -0.00 -1.00 5 GA/TC -0.07 0.03 -15.18 -0.00 0.00 -1.00 6 AT/AT 0.03 -0.01 -18.56 -0.00 -0.00 -1.00 7 TC/GA -0.07 0.01 -21.94 0.00 0.00 -1.00 8 CG/CG 0.00 -0.09 -25.31 -0.00 0.00 -1.00 9 GA/TC 0.07 0.01 -28.68 0.00 -0.00 -1.00 10 AT/AT -0.03 -0.01 -32.06 -0.00 0.00 -1.00 11 TC/GA 0.07 0.03 -35.44 -0.00 -0.00 -1.00 12 CG/CG -0.05 0.07 -38.81 0.00 0.00 -1.00 13 GA/TC -0.05 -0.06 -42.18 -0.00 -0.00 -1.00 14 AT/AT 0.02 0.02 -45.56 0.00 -0.00 -1.00 15 TC/GA -0.04 -0.07 -48.94 -0.00 0.00 -1.00