Figure 1.

Formation of a complementary strand by bulging of the non-complementary sequence. The green and the red duplex parts of the two strands are of complementary sequence. Complete hybridization can occur only if the black portion forms a bulged loop.

Trapp et al. BMC Biophysics 2011 4:20   doi:10.1186/2046-1682-4-20
Download authors' original image