6.5.1.3 60 65 - 6.5.1.3 64 - - 6.5.1.3 65 70 - 6.5.1.3 25 - assay at 6.5.1.3 37 - assay at 6.5.1.3 65 - RNA-adenylylate intermediates AppRNA are predominantly ligated to a circular product