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New England Biolabs, Inc. RecJf – 5000 units
Supplier: New England Biolabs, Inc. M0264L
RecJf is a single-stranded DNA specific exonuclease that catalyzes the removal of deoxy-nucleotide monophosphates from DNA in the 5' to 3' direction. RecJf is a recombinant fusion protein of RecJ and maltose binding protein (MBP). It has the same enzymatic properties as wild-type RecJ. Fusion to MBP enhances RecJf solubility. When DNA containing a 22 base 5' extension is used as a substrate for RecJf, the resulting products are a mixture of DNA fragments that have blunt-ends, 5' extensions (1-5 nucleotides) and recessed 5' ends (1-8 nucleotides). RecJf does not require a 5' phosphate.
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