Article
S-adenosyl-L-methionine is required for DNA cleavage by type III restriction enzymes.
Journal of molecular biology - 29 Jun 2001
Bist P, Sistla S, Krishnamurthy V, Acharya A, Chandrakala B, Rao D N
Abstract excerpt
The requirement of S-adenosyl-L-methionine (AdoMet) in the cleavage reaction carried out by type III restriction-modification enzymes has been investigated. We show that DNA restriction by EcoPI restriction enzyme does not take place in the absence of exogenously added AdoMet. Interestingly, the closely related EcoP15I enzyme has endogenously bound AdoMet and therefore does not require the addition of the...
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