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 A --- -176.7 46.0 141.0 174.7 -97.6 -94.7 2 T -47.7 -175.4 31.2 140.4 -158.5 -163.5 -86.2 3 C -27.5 137.7 29.2 132.2 177.2 -97.9 -104.5 4 T -60.9 -169.4 46.6 133.3 -172.3 -135.2 -114.0 5 G 56.4 -172.0 -72.4 169.9 143.7 -115.8 -125.7 6 G -169.2 -92.8 120.2 114.6 -177.9 -95.7 -125.9 7 T -56.0 -162.3 39.3 131.8 177.4 -96.9 -116.0 8 C -53.6 -176.4 39.2 123.9 -160.3 -110.4 -126.6 9 C 26.4 -153.1 -59.9 147.8 -154.1 -92.1 -118.6 10 G -52.6 160.2 43.0 140.2 -164.8 -147.4 -93.3 11 A -32.7 153.4 34.9 130.0 -172.6 -103.6 -118.0 12 C -50.0 171.4 48.1 136.0 -170.9 -115.6 -112.8 13 C -59.6 -163.0 32.4 125.4 126.8 -34.1 -119.2 14 A -121.0 -135.5 55.7 147.0 -128.7 173.7 -101.0 15 G 99.2 -142.9 -170.1 142.7 -165.7 -78.6 -148.7 16 A -70.5 -167.1 41.5 134.0 -171.8 -99.5 -108.4 17 T -47.4 169.3 39.3 137.2 -170.3 -151.1 -100.0 18 G -53.9 169.9 52.8 154.0 --- --- -111.2 Strand II base alpha beta gamma delta epsilon zeta chi 1 T -65.3 -177.0 42.1 117.4 --- --- -93.4 2 A -63.5 -175.7 45.5 137.0 -168.1 -106.3 -109.1 3 G -61.4 152.9 59.9 140.6 -169.7 -98.1 -134.7 4 A -78.4 -169.1 48.0 140.2 -159.4 -150.1 -112.6 5 C -52.1 162.1 57.1 139.5 -174.0 -93.3 -131.1 6 C -65.3 179.5 45.5 138.0 -169.1 -140.8 -117.7 7 A -59.0 161.1 40.9 141.1 -175.4 -89.7 -113.6 8 G -52.2 109.9 30.0 147.6 -137.9 166.0 -51.8 9 G -72.9 174.3 51.2 151.2 -79.7 -176.3 -90.4 10 C 34.3 -167.9 -58.5 145.8 -157.7 -85.2 -131.1 11 T -54.8 -175.0 45.8 133.9 -169.5 -123.9 -117.2 12 G -78.7 -162.3 51.4 136.6 177.4 -101.8 -117.8 13 G -42.9 168.0 61.6 149.2 179.5 -97.5 -127.7 14 T -60.7 -170.5 36.7 126.3 176.2 -106.2 -124.5 15 C -51.3 159.0 35.3 126.7 -175.6 -89.8 -118.5 16 T -34.3 149.7 40.2 120.2 -161.9 -139.0 -93.2 17 A 168.2 -138.8 92.0 125.6 -165.1 -109.8 -107.4 18 C --- --- 61.1 159.3 -36.0 108.6 -86.6