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Merck
CN

KEM0005

Sigma-Aldrich

Lambda Exonuclease

Ultra-pure enzyme for nucleic acid modifications

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等级

Molecular Biology

方案

>99% (SDS-PAGE)

表单

buffered aqueous solution

比活

80,000 U/mg

浓度

5,000 U/mL

运输

dry ice

储存温度

−20°C

一般描述

Lambda Exonuclease is a highly processive 5′ → 3′ double-stranded exonuclease that degrades one strand of the duplex. Lambda exonuclease can initiate at blunt DNA or DNA containing 3′ single-stranded overhangs. Lambda exonuclease has greatly reduced activity on non-phosphorylated DNA, single-stranded DNA and DNA having protruding 5′ single-stranded termini. Lambda exonuclease will no initiate at a nick or gap.

应用

Suitable for applications requiring a highly processive 5′ – 3′ exonuclease which is active on both blunt and 5′ recessed ends.

特点和优势

  • Ultra-purification process for ultimate enzyme performance
  • Highest quality specifications for ultimate product consistency
  • Undetectable DNA and nuclease contamination

外形

Supplied in 25 mM Tris-HCl, 50 mM NaCl, 1.0 mM DTT, 0.1 mM EDTA and 50% glycerol at pH7.5 @ 25° C.

其他说明

1 unit is defined as the amount of enzyme required to produce 10 nmol of acid-soluble deoxyribonucleotide from double-stranded substrate in 30 minutes at 37° C.
Source of protein: Purified from a strain of E. coli that overexpresses the exonuclease gene from bacteriophage Lambda.
Supplied with:KEM0005B (10X Lambda Exo Reaction Buffer)
Unit size: 10,000 U

储存分类代码

10 - Combustible liquids

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Laure Rittié et al.
Journal of cell communication and signaling, 2(1-2), 25-45 (2008-09-04)
Since molecular cloning has become routine laboratory technique, manufacturers offer countless sources of enzymes to generate and manipulate nucleic acids. Thus, selecting the appropriate enzyme for a specific task may seem difficult to the novice. This review aims at providing

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