exonuclease activity phosphodiesterase I activity https://github.com/geneontology/go-ontology/issues/30193 5'-phosphodiesterase activity Catalysis of the sequential hydrolytic removal of 5'-nucleotides from the 3'-hydroxy termini of 3'-hydroxy-terminated oligonucleotides. 5' nucleotide phosphodiesterase/alkaline phosphodiesterase I activity 5'-exonuclease activity 5'-NPDase activity orthophosphoric diester phosphohydrolase activity nucleotide pyrophosphatase/phosphodiesterase I activity phosphodiesterase activity 5'-PDE activity MetaCyc:3.1.4.1-RXN 5'NPDE activity 5'-PDase activity PDE I activity molecular_function oligonucleate 5'-nucleotidohydrolase activity 5'-nucleotide phosphodiesterase activity GO:0004528 EC:3.1.4.1 exonuclease I activity alkaline phosphodiesterase activity phosphoric diester hydrolase activity