T5 Exonuclease

T5 Exonuclease

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  • T5 Exonuclease

  • T5 Exonuclease Recombinant
  • ENZ-1184
  • Shipped with Ice Packs

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T5 Exonuclease


T5 Exonuclease is an important enzyme that belongs to the family of exonucleases and plays a vital role in DNA metabolism and genetic engineering. This research paper aims to provide an overview of T5 Exonuclease, including its structure, function, and diverse applications in molecular biology.

T5 Exonuclease is derived from the bacteriophage T5, and it possesses a remarkable ability to selectively degrade single-stranded DNA in a 5' to 3' direction. It is a highly processive enzyme, meaning it can cleave multiple nucleotides consecutively without dissociating from the DNA substrate. The enzyme exhibits high specificity for single-stranded DNA, making it a valuable tool for various molecular biology applications.

The primary function of T5 Exonuclease is to remove nucleotides from the 5' ends of single-stranded DNA molecules. By digesting DNA in a processive manner, T5 Exonuclease is involved in DNA repair mechanisms, such as the removal of damaged or mismatched nucleotides. It is also widely utilized in molecular cloning techniques to generate DNA fragments with precise ends for subsequent DNA ligation reactions.


T5 Exonuclease T5 phage D15 gene Recombinant produced in E.Coli is a single, non-glycosylated polypeptide. T5 Exonuclease is purified by proprietary chromatographic techniques.


Escherichia Coli.

Physical Appearance

Sterile Filtered colorless solution.


10U/ul, 50mM Tris-HCl (25℃, pH 7.5), 100mM NaCl, 0.1mM EDTA, 1mM DTT, 0.1% Triton X-100 and 50% glycerol.


Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).
Avoid multiple freeze-thaw cycles.


Greater than 95% as determined by SDS-PAGE.

Unit Definition

1 unit of T5 Exonuclease is defined as the amount of enzyme required to cause the change of 0.00032 A260nm/min at 37° C in 1xReaction Buffer: 20mM Tris-acetate (pH 7.9 @ 25°C), 50mM Potassium Acetate, 10mM Magnesium Acetate and 1mM DTT.


Gibson Assembly


The structural features of T5 Exonuclease play a crucial role in its enzymatic activity. The enzyme consists of distinct functional domains, including an N-terminal domain responsible for DNA binding and a C-terminal domain containing the exonuclease active site. Understanding the three-dimensional structure of T5 Exonuclease provides insights into its catalytic mechanism and substrate specificity.

The versatility of T5 Exonuclease extends beyond DNA repair and cloning applications. It has been employed in various molecular biology techniques, such as site-directed mutagenesis, DNA sequencing, and preparation of DNA templates for in vitro transcription. Additionally, T5 Exonuclease has found utility in research areas like next-generation sequencing library preparation, restriction fragment length polymorphism (RFLP) analysis, and gene expression studies.

In recent years, the use of T5 Exonuclease in genome editing technologies, such as CRISPR-Cas9, has gained attention. T5 Exonuclease can be employed to remove unwanted DNA sequences or overhangs, enabling precise and efficient genome editing. This application highlights the significance of T5 Exonuclease in advancing genetic engineering and synthetic biology research.

Safety Data Sheet


Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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