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- CAS号:
39967-60-7
- 规格:
2mg
Product Introduction
Bioactivity
| 名称 | Deoxypseudouridine |
| 描述 | Deoxypseudouridine is a nucleoside analog, the deoxy form of pseudouridine, and a structural variant of uridine. Deoxypseudouridine is commonly used in studies of nucleic acid structural modifications and their effects on enzymatic reactions. |
| 体外活性 | Deoxypseudouridine is a nucleotide analog. The ethidium bromide staining of the gel showed that both the control DNA and analog DNA samples (including deoxypseudoduduridin) had the same degree of digestion of the carrier DNA. This indicates that the restriction enzyme is as active as unmodified (control) DNA in the presence of modified DNA substrates (including deoxypseudo-rhododendronine). Enzymes that do not contain AT base pairs in their recognition sequences will effectively limit DNA replaced by deoxypseudoduridine or deoxytubercidin like controls. |
| 存储条件 | Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. |
| 溶解度 | 10% DMSO+40% PEG300+5% Tween-80+45% Saline : 2.00 mg/mL (8.76 mM), Sonication is recommended. DMSO : 29.60 mg/mL (129.71 mM), Sonication is recommended. |
| 关键字 | Deoxypseudouridine |
| 相关产品 | Floxuridine | Uridine | Cytidine | Capecitabine | Vidarabine | 5-Fluorouracil | 5-BrdU | 6-Mercaptopurine | Adenosine 5'-monophosphate disodium salt | Stavudine | 8-Bromoguanosine | Cytarabine |
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文献和实验碱基的核糖苷,为核苷酸或核酸的成分。可分成核苷和脱氧核苷两大类。核苷含D-核糖,脱氧核苷含D-2-脱氧核糖,一般戊糖残基的C1 和嘌呤的N9 或嘧啶的N1 相连,为区别核苷中碱基和糖的编号,在糖的原子编号的右上角加一撇,即碳原子1′至5′(核苷的名称和缩写见核苷酸)。碱基或核糖经过化学修饰,或核糖与碱基有特殊连接方式(假尿苷)的核苷是核酸的稀有成分。 N-糖苷键对酸是不稳定的,虽然理论上嘌呤或嘧啶环形成的N-糖苷键可以自由转动
一、TUNEL法的实验原理 细胞发生凋亡时, 染色体DNA双链或单链断裂产生大量的粘性3'-OH末端,可在脱氧核糖核苷酸末端转移酶(TdT)的作用下,将脱氧核糖核苷酸和荧光素、过氧化物酶、碱性磷酸酶或生物素形成的衍生物标记到DNA的3'-末端,从而可进行凋亡细胞的检测,这类方法称为脱氧核糖核苷酸末端转移酶介导的缺口末端标记法(terminal -deoxynucleotidyl transferase mediated nick end labeling, TUNEL)。由于正常的或正在增殖
处(包括双链 DNA 断裂位点)的募集过程。采集的图像不仅帮助我们确定募集到断裂位点修复蛋白的动力学信息和聚集水平,还验证了内源转录调节因子和 DDR 通路因子在 DNA 断裂位点的共定位。 图 1:实验方案示意图 将 MRE11 cDNA 克隆到带有 GFP 标签的表达载体中,然后将其转染到 U2OS 细胞。在使用溴脱氧尿嘧啶核苷(BrdU)或 Hoechst 进行标记后,使用 FV3000 共聚焦显微镜的 405 nm 激光对核内目标区域(ROI)进行线扫描诱导 DNA 损伤。随后使用
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