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表单
lyophilized
分子量
330 Da
包装
pkg of 5 U
制造商/商品名称
Roche
吸光度比值
A290/260 nm 0.03-0.12
A280/260 nm 0.28-0.39
A250/260 nm 0.84-0.94
储存温度
−20°C (−15°C to −25°C)
一般描述
Poly(dA) is a polymer of polydeoxyadenylic acid and takes up a single stranded structure. It is susceptible to UV irradiation resulting in photoreaction due to the presence of adjacent deoxyadenylic acid units. Poly(dA) along with β-glucan is used for the conjugation and delivery of DNA into cell lines.
应用
Poly(dA) is suitable for use in:
- DNA polymerase assay and as a buffer component for the dilution of protein DNA complex for electrophoretic mobility shift assay (EMSA) studies
- as ssDNA substrate for DNA helicase gene 40 product (G40P) NTP hydrolysis
- in Pyrococcus abyssi DNA polymerase assay
序列
Chain Length Mean chain length lot 20-17: 250-500 bases.
单位定义
1 A260 unit corresponds to 40 μg ssDNA.
其他说明
仅用于生命科学研究。不可用于诊断。
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
V Iyer et al.
The EMBO journal, 14(11), 2570-2579 (1995-06-01)
Many yeast promoters contain homopolymeric dA:dT sequences that affect nucleosome formation in vitro and are required for wild-type levels of transcription in vivo. Here, we show that poly(dA:dT) is a novel promoter element whose function depends on its intrinsic structure
Human DNA polymerase lambda functionally and physically interacts with proliferating cell nuclear antigen in normal and translesion DNA synthesis
Maga G, et al.
The Journal of biological chemistry, 277(50), 48434-48440 (2002)
A novel gene carrier prepared from triple helical beta-glucan and polydeoxyadenylic acid
Liu Q, et al.
Journal of materials chemistry. B, 2(8), 933-944 (2014)
Bacillus subtilis bacteriophage SPP1 hexameric DNA helicase, G 40 P, interacts with forked DNA
Ayora S, et al.
Nucleic Acids Research, 30(11), 2280-2289 (2002)
A specific photoreaction in polydeoxyadenylic acid
Porschke D
Proceedings of the National Academy of Sciences of the USA, 70(9), 2683-2686 (1973)
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