Deoxyribonuclease IV (phage-T4-induced) (EC220.127.116.11, endodeoxyribonuclease IV (phage T4-induced), E. coli endonuclease IV, endodeoxyribonuclease, redoxyendonuclease, deoxriboendonuclease, Escherichia coli endonuclease II, endonuclease II, DNA-adenine-transferase) is an enzyme. This enzyme catalyses the following chemical reaction
Endonucleolytic cleavage to 5'-phosphooligonucleotide end-products
^Friedberg, E.C., Hadi, S.-M. and Goldthwait, D.A. (1969). "Endonuclease II of Escherichia coli. II. Enzyme properties and studies on the degradation of alkylated and native deoxyribonucleic acid". J. Biol. Chem.244 (21): 5879–5889. PMID4981786.
^Hadi, S.M. and Goldthwait, D.A. (1971). "Endonuclease II of Escherichia coli. Degradation of partially depurinated deoxyribonucleic acid". Biochemistry10 (26): 4986–4993. doi:10.1021/bi00802a024. PMID4944066.
^Sadowski, P.D. and Hurwitz, J. (1969). "Enzymatic breakage of deoxyribonucleic acid. I. Purification and properties of endonuclease II from T4 phage-infected Escherichia coli". J. Biol. Chem.244 (22): 6182–6191. PMID4310836.