Figure 8.
Stereoview of domains A and B of the hairpin ribozyme showing all interdomain crosslinks observed in this study. The site of photo-crosslinker incorporation (U+2) is shown in orange. Green nucleotides represent crosslinks formed only in the absence of Mg2+, red nucleotides represent crosslinks formed only in the presence of Mg2+ and blue nucleotides represent crosslinks formed under both conditions.