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 --- 174.8 41.7 79.0 -147.8 -75.1 -157.2 2 A -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 3 T -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 4 C -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 5 G -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 6 A -51.7 174.8 41.7 79.0 -147.8 -75.1 -157.2 7 T -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 8 C -51.7 174.8 41.7 79.0 -147.8 -75.0 -157.2 9 G -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 10 A -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 11 T -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 12 C -51.7 174.8 41.7 79.1 -147.7 -75.1 -157.2 13 G -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 14 A -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 15 T -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 16 C -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 17 G -51.7 174.8 41.7 79.0 -147.8 -75.1 -157.2 18 A -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 19 T -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 20 C -51.7 174.8 41.7 79.1 --- --- -157.2 Strand II base alpha beta gamma delta epsilon zeta chi 1 C -51.7 174.8 41.7 79.0 --- --- -157.2 2 T -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 3 A -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 4 G -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 5 C -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 6 T -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 7 A -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 8 G -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 9 C -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 10 T -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 11 A -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 12 G -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 13 C -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 14 T -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 15 A -51.7 174.8 41.7 79.0 -147.8 -75.1 -157.2 16 G -51.7 174.8 41.7 79.1 -147.7 -75.1 -157.2 17 C -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 18 T -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 19 A -51.7 174.8 41.7 79.1 -147.8 -75.1 -157.2 20 G --- 174.8 41.7 79.1 -147.8 -75.1 -157.2