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Beijing SBS Genetech Co.,Ltd.
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broken image

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for Superior Biology Services since 2000

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ssDNA/RNA CircLigase

ssDNA/RNA CircLigase

$200.00 - $1,335.00
ssDNA/RNA CircLigase is a thermostable DNA/RNA ligase, which is independent of ATP. It can catalyze the cyclization of single-stranded DNA or RNA, and intermolecular ligation, but the efficiency is higher when using single-stranded DNA as substrate.
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All products have special prices for bulk purchase, please contact for more details if required.

 

Cat. No.: SSDRC-2k (for 2KU)

Cat. No.: SSDRC-20k (for 20KU)

 

Description

During cyclization, 5' - phosphate group and 3' - OH group are required in the substrate single-stranded DNA or RNA. For single-stranded substrates larger than 15 nt, ssDNA/RNA CircLigase works efficiently. The enzyme can also catalyze the ligation between DNA or RNA molecules and pre-adenylated DNA junctions. In addition, in the case of excessive ATP, the enzyme can adenosylate DNA/RNA molecules.

 

Contents

2KU

  • 1×CircLigase Buffer: 30 mM Tris-acetate (pH 7.5), 60 mM potassium acetate, 1 mM DTT.

 

Unit Definition

One unit is defined as the amount of enzyme required to catalyze 1 pmol of a linear 5′-phosphorylated control oligo (55 mer) into circular ssDNA in 1 hour at 60°C.

 

Note

  • The addition of 50 μm ATP can improve the cyclization efficiency, while the addition of ATP with a concentration higher than 1 mM can inhibit the ligation.
  • For the ligation of single-stranded DNA products, the final concentration of 2.5 mm MnCl2 should be added. 
  • MnCl2 is not needed for the ligation of single-stranded RNA products.
  • For the substrates with secondary or complex structures, 0.4 ~ 0.8 m Betain can be added to improve the efficiency.
  • The enzyme has selectivity for substrate base. 5' terminal ligation efficiency: G > A > > T(U) > > C, 3' terminal ligation efficiency: T(U) > A > G. When the 3' terminal base is C, it cannot be used for ligation, as there will be almost no ligation products.

 

Storage

The minimum shelf life is 3 years at -20°C.

 

Instruction: Protocol

 

SBS Genetech is recognized as one of the global major leading industry players in Ligase Market by third-party market researchers. For more details, please visit Ligase Market - A Global and Regional Analysis Focus on Product, Source, Application, End User, and Country - Analysis and Forecast, 2022-2032

 

 

Only for research and not intended for treatment of humans or animals

 

 

Journals Using SBS Genetech Products                                       Universities Using SBS Genetech Products

 

 

SBS Genetech is a long-term sponsor of Cold Spring Harbor Laboratory

 

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