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 C --- --- -70.0 144.7 -171.8 -98.4 -105.9 2 G -69.8 -172.2 43.0 148.1 -151.3 -157.0 -85.4 3 C -39.4 130.5 50.1 93.3 -165.4 -81.2 -132.4 4 G -64.8 174.4 50.1 145.0 -167.3 -144.6 -93.7 5 A -47.1 156.2 53.7 133.0 -177.5 -90.7 -118.6 6 A -64.2 -173.0 46.3 128.0 176.9 -95.8 -109.2 7 T -49.0 172.9 48.6 112.7 -176.6 -95.6 -119.6 8 T -54.1 168.3 53.4 114.0 171.5 -95.0 -119.9 9 C -53.3 -173.2 50.8 138.3 -155.9 -96.3 -112.3 10 G -60.3 163.2 39.5 143.2 -100.0 146.3 -83.6 11 C -73.1 144.3 50.8 143.5 -164.4 -126.1 -112.8 12 G 52.9 144.1 -65.6 147.9 --- --- -79.3 Strand II base alpha beta gamma delta epsilon zeta chi 1 G -62.1 169.8 52.8 87.7 --- --- -141.3 2 C -57.2 129.7 51.4 83.8 -161.3 -77.6 -150.3 3 G -67.1 177.0 45.3 143.5 -148.6 -173.0 -86.2 4 C -58.1 159.5 51.3 95.5 -170.1 -81.3 -124.4 5 T -44.5 171.8 43.4 135.3 -164.1 -106.8 -110.1 6 T -49.1 178.5 51.6 127.6 -172.8 -106.8 -115.9 7 A -61.5 175.7 45.3 113.1 166.4 -91.2 -112.4 8 A -56.3 -160.2 54.1 145.8 -178.3 -91.9 -108.3 9 G -61.6 175.5 62.1 140.9 150.8 -89.6 -101.7 10 C -56.8 160.1 56.8 82.1 -174.4 -84.7 -137.2 11 G -58.3 166.6 49.5 115.0 178.2 -94.3 -110.2 12 C --- --- 58.5 138.1 -169.0 -104.8 -106.9