Figure 2 - full size

Figure 2.
Figure 2. Downstream End of the DNA-RNA Hybrid in Transcribing Complex Structures, Showing Occupancy of the A and E Sites(A) Transcribing complex with matched NTP (UTP) in the A site.(B) Transcribing complex with mismatched NTP (ATP) in the E site. Views are the same as in Figure 1. DNA is blue, RNA is red, and NTPs are in yellow. Mg ions are shown as magenta spheres.