Table 1.

Known Hammerhead Motifs Identified in Our Search

HH-I	HH-III
Avocado sunblotch viroid	Schistosoma mansoni DNA for repeated sequences
Tobacco Ringspot virus satellite RNA	Barley yellow virus satellite RNA
Ambyostoma talpoideum satellite 2	Chrysanthemum chlorotic mottle viroid
Cryptobranchus alleganiensis satellite 2	Cherry small circular viroid-like RNA
Cyrrops pyrrhogaster satellite 2	Lucerne transient streak virus RNA 2
Eurycea longicauda satellite 2	Peach latent mosaic viroid
Plethodon glutinosus satellite 2	Subterranean clover mottle virus satellite RNA