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. 2020 Dec 8;2(1):94–150. doi: 10.1039/d0cb00136h

Names and activities of the main known phosphodiesterases.

Phosphodiesterase Hydrolytic activities
Exonuclease activity
Phosphodiesterase I from snake venom phosphodiesterase (SVPDE) 5′ exonuclease targeting ss or ds DNA or RNA. 3′ → 5′ activity
Calf spleen phosphodiesterase (CSPDE) 3′ exonuclease targeting 5′-OH ss or ds DNA or RNA. 3′ → 5′ activity
Phosphodiesterase II from bovine spleen (spleen phosphodiesterase) 3′ exonuclease targeting 5′-OH ss or ds DNA or RNA. 5′ → 3′ activity
Exonuclease III 5′ exonuclease targeting ds DNA/DNA or DNA/RNA. 3′ → 5′ activity
Calf intestinal alkaline phosphatase (CIAP) Catalyses non-specific dephosphorylation at the 3′ and 5′ ends of a DNA/RNA strand
T4 polymerase digestion 5′ exonuclease targeting ds DNA. 3′ → 5′ activity
Endonuclease activity
DNase I Hydrolyses ss or ds DNA producing 3′-OH and 5′-P (preferably takes place at a position adjacent to a pyrimidine)
Nuclease P1 3′ → 5′ activity targeting ss DNA or RNA
Nuclease S1 Hydrolyses ss or ds DNA or RNA
RNase-H Hydrolyses the RNA strand of a hybrid DNA/RNA duplex
RNase-A Hydrolyses ss RNA
Digestion activity
EcoRi 1 Specifically recognizes the palindromic G/AATTC sequence of a DNA duplex
Endonuclease Nsi1 Specifically recognizes the palindromic ATGCA/T sequence of a DNA duplex