RNA exonuclease activity 5'-hydroxyl dinucleotide hydrolase activity https://github.com/geneontology/go-ontology/issues/18881 https://github.com/geneontology/go-ontology/issues/24408 GO:0140432 molecular_function 2020-02-19T05:50:35Z Catalysis of the hydrolysis of phosphodiester bonds in 5'OH-RNA according to the reaction 5'OH-NpN-RNA + H20 = 5'OH-NpN + 5'P-RNA, where NpN represents a dinucleotide. pg