Exodeoxyribonuclease I

Exodeoxyribonuclease I
Identifiers
EC number 3.1.11.1
CAS number 9037-46-1
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum

Exodeoxyribonuclease I (EC 3.1.11.1, Escherichia coli exonuclease I, E. coli exonuclease I, exonuclease I) is an enzyme.[1][2][3] This enzyme catalyses the following chemical reaction:

Exonucleolytic cleavage in the 3'- to 5'-direction to yield nucleoside 5'-phosphates

Preference for single-stranded DNA. The Escherichia coli enzyme hydrolyses glucosylated DNA. Punjabi

References

  1. Blakesley, R.W.; Dodgson, J.B.; Nes, I.F.; Wells, R.D. (1977). "Duplex regions in single-stranded phiX174 DNA are cleaved by a restriction endonuclease from Haemophilus aegyptius". J. Biol. Chem. 252: 7300–7306. PMID 71298.
  2. Kelley, R.B.; Atkinson, M.R.; Huberman, J.A.; Kornberg, A. (1969). "Excision of thymine dimers and other mismatched sequences by DNA polymerases of Escherichia coli". Nature. 224: 495–501. doi:10.1038/224495a0.
  3. Lehman, I.R.; Nussbaum, A.L. (1964). "The deoxyribonucleases of Escherichia coli. V. On the specificity of exonuclease I (phosphodiesterase)". J. Biol. Chem. 239: 2628–2636. PMID 14235546.
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