Modifying enzymes
Modifying enzymes remove or add specific chemical groups. For example, Alkaline phosphatase (from E. coli, calf intestinal tissue, or arctic shrimp), which removes the phosphate group present at the 5' terminus of a DNA molecule [1].
References
- ↑ T.A.Brown (2010). Gene cloning & DNA analysis: an introduction. 6th ed. Hoboken : Wiley-Blackwell. p49-50