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Merck
CN

10104159001

Roche

DNase I

grade II, from bovine pancreas

别名:

脱氧核糖核酸酶, 脱氧核苷酸酶 5′-寡核苷酸脱氢酶

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关于此项目

UNSPSC Code:
12352204
NACRES:
NA.54
Biological source:
bovine pancreas
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biological source

bovine pancreas

form

lyophilized

packaging

pkg of 100 mg

manufacturer/tradename

Roche

technique(s)

DNA extraction: suitable

optimum pH

~7.0

storage temp.

2-8°C

General description

牛胰腺脱氧核糖核酸酶I(DNase I)是DNA小沟相互作用的核酸酶,特异性相对较低。该蛋白质由两个中心β 折叠构成,而每个折叠由六个β-链所组成。该结构被大量的环以及α-螺旋区域包围。该酶与核酸外切酶III具有结构相似性。DNase I是研究得最透彻的哺乳动物来源的内切酶之一。它是一种双链特异性内切核酸酶,需要二价阳离子激发最大活性。

Application

蛋白质(膜蛋白)的分离操作。
牛胰腺脱氧核糖核酸酶I(DNase I)已被用于:
  • 分离肺、皮肤和肿瘤样品中的细胞
  • 从抗DNase I的活细菌细胞中提取细菌DNA †

Preparation Note

激活剂:Ca2+ (0.12 mM)与Mg2+结合在一起可增强活性 [Laskowski (1971); Melgar及Goldthwait (1968)].
工作浓度:1 mg/ml
在溶解过程中请勿涡旋!
储备条件 (工作溶液):当在水中重悬时,溶液可在2至8 °C下保存2至3天。在溶解过程中请勿涡旋。注:至少以1 mg/ml溶解。

Other Notes

一个单位表示在测定条件下导致吸光度以0.001每分钟的速率而增加的酶活力。
仅用于生命科学研究。不可用于诊断。


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pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

does not flash

flash_point_c

does not flash

法规信息

低风险生物材料
动植物源性产品

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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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