Figure 6
Ribbon diagram of free D4 and the uracil complex, showing superposition of all eight subunits of the uracil-free D4 structure (PDB entry 2owr
; gray to black) and four subunits of the uracil complex (B, C, D and G) in red, orange, magenta and green. Uracil molecules and His181 are shown as line drawings. The leucine-intercalation loop is labeled L. |