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,携带 8-氧代鸟嘌呤 DNA 糖基酶(Fpg)基因(3)
- 产品类别:
- DNA Repair Enzymes and Structure-specific Endonucleases Products
- 应用:
- Polymerases for DNA Manipulation
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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 -
M0240S -20 Fpg M0240SVIAL -20 1 x 0.065 ml 8,000 units/ml NEBuffer™ 1 B7001SVIAL -20 1 x 1.25 ml 10 X Recombinant Albumin, Molecular Biology Grade B9200SVIAL -20 1 x 0.6 ml 20 mg/ml
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M0240L -20 Fpg M0240LVIAL -20 1 x 0.32 ml 8,000 units/ml NEBuffer™ 1 B7001SVIAL -20 1 x 1.25 ml 10 X Recombinant Albumin, Molecular Biology Grade B9200SVIAL -20 1 x 0.6 ml 20 mg/ml
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特性和用法
单位定义
1 单位指在 10 μl 反应体系中,37℃ 条件下,1 小时内能切割 10 pmol 含单个与胞嘧啶配对的 8-氧代鸟嘌呤的 34 bp 寡核苷酸双链所需要的酶量。
反应条件
1X NEBuffer™ 1
Supplement with 100 µg/ml Recombinant Albumin, Molecular Biology Grade
Incubate at 37°C1X NEBuffer™ 1
10 mM Bis-Tris-Propane-HCl
10 mM MgCl2
1 mM DTT
(pH 7 @ 25°C)彗星实验稀释
彗星试验的推荐稀释倍数:1:103 到 1:104(4,5,6)。具体操作说明请登陆:http://cometassay.com。
贮存溶液
20 mM Tris-HCl
50 mM NaCl
0.5 mM EDTA
200 µg/ml BSA
50% Glycerol
pH 8 @ 25°C热失活
60°C for 10 minutes
单位活性检测条件
10 μl 总反应体系,含 1X NEBuffer 1、10 pmol 荧光标记寡核苷酸双链和 100 µg/ml BSA。
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相关产品
单独销售的组分
- NEBuffer 1
- 重组白蛋白, 分子生物学级(不含动物成分)
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参考文献
- Tchou, J. et al. (1994). Substrate specificity of Fpg protein. J. Biol.Chem.. 269, 15318-15324.
- Hatahet, Z. et al. (1994). Newsubstrates for old enzymes. J. Biol.Chem.. 269, 18814-18820.
- Boiteux, S., O’Connor, T. and Laval, J. (1987). Formamidopyrimidine-DNA glycosylase of Escherichia coli: cloning and sequencing of the fpg structural gene and overproduction of the protein. EMBOJ.. 5, 18814-18820.
- Singh, N., McCoy, M., Tice, R. and Schneider, L. (1988). A simple technique for quantitation of low levels of DNA damage in individual cells. Exp.Cell Res.. 175, 184-191.
- Collins, A., Duthie, S. and Dobson, V. (1993). Direct enzymatic detection of endogenous oxidative base damage in human lymphocyte DNA. Carcinogenesis. 14, 1733-1735.
- Collins, A., Dusinska, M., Gedik, C. and Stetina, R. (1996). Oxidative damage to DNA: do we have a reliable biomarker?. Environ.Health Perspect.. 104, 465-469.
- Pflaum, M., Will, O., Mahler, H.-C. and Epe, B. (1998). DNA oxidation products determined with repair endonucleases in mammalian cells: types, basal levels and influence of cell proliferation. FreeRad. Res.. 29, 585-594.
- Hartwig, A., Dally, H. and Schlepegrell, R. (1996). Sensitive analysis of oxidative DNA damage in mammalian cells: use of the bacterial Fpg protein in combination with alkaline unwinding. Toxicol.Lett.. 88, 85-90.
- Czene, S. and Harms-Ringdahl, M. (1995). Detection of single strand breaks and formamidopyrimidine-DNA glycosylase-sensitive sites in DNA of cultured human fibroblasts. Mutat.Res.. 336, 235-242.
操作说明、说明书 & 用法
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操作说明
- Comet Assay – Modified for Detection of Oxidized Bases Using the Repair Endonucleases Fpg, hOGG1 and Endonuclease III (Nth)
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使用指南
- DNA Damage and PreCR
工具 & 资源
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选择指南
- Activities of DNA Repair Enzymes and Structure-specific Endonucleases
- DNA Repair Enzymes on Damaged and Non-standard Bases
- Properties of DNA Repair Enzymes and Structure-specific Endonucleases
FAQs & 问题解决指南
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FAQs
- What is the activity of Fpg in the NEBuffers 1-4?
- Does Fpg cleave hydroxymethyl uracil?
- Does Fpg cut only one strand, or do they cause a double-strand break?
- What is the Molecular Weight of Fpg?
- What is the difference between using Fpg and hOOG1?
- Does the Fpg contain a tag?
- What buffer will work with both Endonuclease III and Fpg?
- What substrate is Fpg tested on?
- What is the activity of Fpg in rCutSmart Buffer?