ScrFI |NEB酶试剂 New England Biolabs

上海金畔生物科技有限公司代理New England Biolabs(NEB)酶试剂全线产品,欢迎访问官网了解更多产品信息和订购。

产品信息

产品来源

大肠杆菌菌株,其携带从乳脂链球菌(Streptococcus cremoris)F(C. Daly)克隆的 ScrFI 基因

产品类别:
Methylation Sensitive Restriction Enzymes for Epigenetics Products,
Restriction Endonucleases S Products

应用:
Restriction Enzyme Digestion

  • 产品组分信息

    本产品提供以下试剂或组分:

    NEB # 名称 组分货号 储存温度 数量 浓度
    • R0110V     -20    
        ScrFI R0110VVIAL -20 1 x 0.1 ml 5,000 units/ml
        rCutSmart™ Buffer B6004SVIAL -20 1 x 1.25 ml 10 X
    • R0110S     -20    
        ScrFI R0110SVIAL -20 1 x 0.2 ml 5,000 units/ml
        rCutSmart™ Buffer B6004SVIAL -20 1 x 1.25 ml 10 X

  • 特性和用法

    单位定义

    一个单位是指在 50 µl 的总反应体系中,37℃ 下,1 小时内酶切 1 µg λ DNA 所需的酶量。

    反应条件

    1X rCutSmart™ 缓冲液
    Incubate at 37°C

    1X rCutSmart™ 缓冲液
    50 mM Potassium Acetate
    20 mM Tris-acetate
    10 mM Magnesium Acetate
    100 µg/ml Recombinant Albumin
    (pH 7.9 @ 25°C)

    在不同缓冲液中的活性

    NEBuffer™ r1.1: 100%
    NEBuffer™ r2.1: 100%
    NEBuffer™ r3.1: 100%
    rCutSmart™ Buffer: 100%

    稀释兼容性

    • 稀释液 C

    贮存溶液

    10 mM Tris-HCl
    250 mM NaCl
    0.1 mM EDTA
    200 µg/ml Recombinant Albumin
    50% Glycerol
    1 mM DTT
    0.15% Triton® X-100
    pH 7.4 @ 25°C

    热失活

    65°C for 20 minutes

    甲基化敏感性

    dam 甲基化: 不敏感
    dcm 甲基化: 甲基化与酶切位点重叠阻断酶切
    CpG甲基化: 甲基化与酶切位点重叠阻断酶切

    同裂酶

    Bme1390I
    BmrFI
    BstSCI
    MspR9I
    StyD4I

  • 相关产品

    相关产品

    • dam/dcm E. coli 感受态细胞
    • t1010-monarch-plasmid-miniprep-kit
    • Monarch® DNA 胶回收试剂盒
    • Monarch® PCR & DNA 纯化试剂盒(5 μg)

    单独销售的组分

    • rCutSmart™ 缓冲液

  • 注意事项

    1. ScrFI 切割产生的 DNA 片段含有单碱基突出的 5´ 末端,它比平末端更难连接。
    2. dcm 和 CpG 甲基化与酶切位点的重叠组合阻断酶切。
    3. 延时酶切可能产生星号活性。

操作说明、说明书 & 用法

  • 操作说明

    1. Optimizing Restriction Endonuclease Reactions
    2. Restriction Digest Protocol
    3. Double Digest Protocol with Standard Restriction Enzymes

  • 使用指南

    • Activity at 37°C for Restriction Enzymes with Alternate Incubation Temperatures
    • Activity of Restriction Enzymes in PCR Buffers
    • Cleavage Close to the End of DNA Fragments
    • Dam and Dcm Methylases of E. coli
    • Digestion of Agarose-Embedded DNA: Info for Specific Enzymes
    • Double Digests
    • Heat Inactivation
    • NEBuffer Activity/Performance Chart with Restriction Enzymes
    • Optimizing Restriction Endonuclease Reactions
    • Restriction Endonucleases – Survival in a Reaction
    • Restriction Enzyme Diluent Buffer Compatibility
    • Restriction Enzyme Tips
    • Single Letter Codes
    • Star Activity
    • Traditional Cloning Quick Guide

工具 & 资源

  • 选择指南

    • Alphabetized List of Recognition Sequences
    • Compatible Cohesive Ends and Generation of New Restriction Sites
    • Dam-Dcm and CpG Methylation
    • Enzymes with Multiple Recognition Sequences
    • Frequencies of Restriction Sites
    • Interrupted Palindromes
    • Isoelectric Points (pI) for Restriction Enzymes
    • Isoschizomers
    • NEB Diluent and Buffer Table
    • Recleavable Filled-in 5′ Overhangs
    • Time-Saver™ Qualified Enzymes
    • Why Choose Recombinant Enzymes?

  • Web 工具

    • Competitor Cross-Reference Tool
    • DNA Sequences and Maps Tool
    • Double Digest Finder
    • Enzyme Finder
    • NEBcutter™ v3.0
    • NEBioCalculator®
    • REBASE®

FAQs & 问题解决指南

  • FAQs

    1. Do degenerate recognition sites need to be palindromic?
    2. Is this enzyme sensitive to dam, dcm or mammalian CpG methylation?
    3. Can you tell me more about the switch from BSA to Recombinant Albumin (rAlbumin) in NEBuffers?

  • 问题解决指南

    • Restriction Enzyme Troubleshooting Guide

  • 实验技巧

    此酶会产生一个单碱基突出末端,很难进行连接。此酶兼容于所有 NEB 缓冲液。