Figure 4. Helical twist angle between consecutive C1′−C1′ vectors by base steps. Helical parameters are defined by the C1′−C1′ vectors of each base pair. The parameters from the experimental structures are colored black. The AB, CD, and EE′ helices are the three duplexes formed by the five RNA strands (A, B, C, D, and E) in the asymmetric unit of the crystal structure. The EE′ helix is formed by the E strands in two asymmetric units in the C2 unit cell. The parameters from the calculated A·U A-form duplex and the ROSIE structure are colored gray.
Figure 4. Helical twist angle between consecutive C1′−C1′ vectors by base steps. Helical parameters are defined by the C1′−C1′ vectors of each base pair. The parameters from the experimental structures are colored black. The AB, CD, and EE′ helices are the three duplexes formed by the five RNA strands (A, B, C, D, and E) in the asymmetric unit of the crystal structure. The EE′ helix is formed by the E strands in two asymmetric units in the C2 unit cell. The parameters from the calculated A·U A-form duplex and the ROSIE structure are colored gray.
การแปล กรุณารอสักครู่..