| RS-1RAD51 activator |

Sample solution is provided at 25 µL, 10mM.
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Cell Stem Cell.2017 Nov 20. pii: S1934-5909(17)30375-2.Quality Control & MSDS
- View current batch:
- Purity = 99.62%
- COA (Certificate Of Analysis)
- HPLC
- NMR (Nuclear Magnetic Resonance)
- MSDS (Material Safety Data Sheet)
- Datasheet
Chemical structure


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| Cas No. | 312756-74-4 | SDF | Download SDF |
| Synonyms | N/A | ||
| Chemical Name | 4-bromo-N-(4-bromophenyl)-3-[[(phenylmethyl)amino]sulfonyl]-benzamide | ||
| Canonical SMILES | BrC1=CC=C(NC(C2=CC=C(Br)C(S(NCC3=CC=CC=C3)(=O)=O)=C2)=O)C=C1 | ||
| Formula | C20H16Br2N2O3S | M.Wt | 524.2 |
| Solubility | ≥20mg/mL in DMSO | Storage | Store at -20°C |
| Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. | ||
RS-1 is a stimulatory compound of RAD51, a key player in the HR complex. RS-1 could increase the DNA binding activity of RAD51 and function in vivo to enhance the homologous recombination activity of hRAD51 by promoting the formation of active presynaptic filaments [1].
The hRAD51 protein could bind with single- and double-stranded DNA and exhibit DNA-dependent ATPase activity. Rad51 mediates homology recognition and initiates strand exchange [2]. Chromosome analysis revealed that Rad51‐deficient vertebrate cells accumulated chromosomal breaks in the G2/M phase of the cell cycle prior to cell death. Rad51 played an essential role in the repair of spontaneously occurring chromosome breaks in proliferating cells of higher eukaryotes [3].
RS-1 treatment promoted significant antitumor responses in a mouse mode. It can be used to kill human cancer cells, and that its toxicity is modulated by both RAD51 and RAD54 translocase expression levels [4]. RS-1 effectively improved the knock-in rates in the TALEN- and the Cas9-mediated genome-editing systems in rabbits. RS-1 showed little toxic effects on the overall animal health and reproduction. RS-1 enhanced Cas9- and TALEN-mediated knock-in efficiency in rabbit embryos both in vitro and in vivo. RS-1 treatment (15 μM) appeared to enhance the blastocyst development in embryos. Treating embryos with RS-1 at 7.5 μM resulted in 26.1% knock-in rate [5].
References:[1]. Jayathilaka K, Sheridan S D, Bold T D, et al. A chemical compound that stimulates the human homologous recombination protein RAD51[J]. Proceedings of the National Academy of Sciences, 2008, 105(41): 15848-15853.[2]. Baumann P, Benson F E, West S C. Human Rad51 protein promotes ATP-dependent homologous pairing and strand transfer reactions in vitro[J]. Cell, 1996, 87(4): 757-766.[3]. Sonoda E, Sasaki M S, Buerstedde J M, et al. Rad51‐deficient vertebrate cells accumulate chromosomal breaks prior to cell death[J]. The EMBO journal, 1998, 17(2): 598-608.[4]. Mason J M, Logan H L, Budke B, et al. The RAD51-stimulatory compound RS-1 can exploit the RAD51 overexpression that exists in cancer cells and tumors[J]. Cancer research, 2014, 74(13): 3546-3555.[5]. Song J, Yang D, Xu J, et al. RS-1 enhances CRISPR/Cas9-and TALEN-mediated knock-in efficiency[J]. Nature communications, 2016, 7.
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请各位大侠给予帮助!!
谢谢!!
产品主要应用:点击化学(Clickchemistry)、蛋白质组学研究中的双向荧光差异凝胶电泳(2DDIGE)和实时荧光定量PCR(RealtimePCR)。
氨基类染料是包含自由氨基的活性染料,染料可与活化羧酸衍生物和其他亲电子的试剂结合。比如:氨基与EDC-活化的羧基结合。
相关产品如下:
中文名英文名产品编号分子结构Cy7.5胺Cy7.5amineAGF1350A[img]/KindEditor_4.0.1/attached/image/20130704/20130704110804_5250.jpg[/img]Cy5胺Cy5amineAGF1332A[img]/KindEditor_4.0.1/attached/image/20130704/20130704110715_7750.jpg[/img]相似系列产品:
抗体、核酸、蛋白质等生物分子标记染料
羰基活性荧光染料
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羧酸类染料
健那绿染液是一种活体染液,实验对象必须是活细胞,健那绿可以使活细胞中的线粒体呈现蓝绿色,而细胞质接近无色。
分子生物学实验的染料主要涉及到核酸染料和蛋白质染料.核酸染料主要有EB(溴化乙锭,高致癌性),goldview,sybr green(实时定量PCR时常用染料).这些染料可以和核酸双链分子特异性结合发出强荧光而被检测到.蛋白质染料最常用的是考马斯亮蓝 R-250,硝酸银.其中硝酸银有时也用于核酸染色.
染料分为天然染料和人工染料两种。天然染料有胭脂虫红、地衣素、石蕊和苏木素等,它们多从植物体中提取得到,其成分复杂,有些至今还未搞清楚。目前主要采用人工染料,也称煤焦油染料,多从煤焦油中提取获得,是苯的衍生物。多数染料为带色的有机酸或碱类,难溶于水,而易溶于有机溶剂中。为使它们易溶于水,通常制成盐类。
染料可按其电离后染料离子所带电荷的性质,分为酸性染料、碱性染料、中性(复合)染料和单纯染料四大类。 标本干燥后即进行固定,固定的目的有三个:
1)杀死微生物,固定细胞结构。
2)保证菌体能更牢的粘附在载玻片上,防止标本被水冲洗掉。
3)改变染料对细胞的通透性,因为死的原生质比活的原生质易于染色。
而且样品中的无水硫酸钠未变色,而做标准曲线的五个和空白对照的变为蓝色了,请高手指教,多谢!
还有,是否变蓝对测定结果有影响吗?
谢了哈
欢迎你!请下次规范发贴:)
产品主要应用:点击化学(Clickchemistry)、蛋白质组学研究中的双向荧光差异凝胶电泳(2DDIGE)和实时荧光定量PCR(RealtimePCR)。
菁染料是性能优良的荧光标记染料,摩尔吸光系数在荧光染料中是最高的。N-羟基琥珀酰亚胺酯是最常用的脂肪氨基标记试剂,广泛用于蛋白质、氨基酸多肽、抗体、核酸及其他生物分子的标记和检测。通过改变次甲基链的长度,可改变其荧光发射波长,每增加一个双键,按照Huoffman规则正好红移约100nm。
菁染料Cy3和Cy5已成为基因芯片的首选荧光标记物;另外,Cy5,Cy5.5和Cy7,Cy7.5的吸收在近红外区背景非常低,是荧光强度最高、最稳定的长波长染料,特别适合于活体小动物体内成像。但由于菁染料,尤其是不对称菁染料的合成副反应多,副产物极性相近,产物的分离提纯相当困难。菁染料特别是水溶性菁染料分子极性大,分离提纯越加困难。Lumiprobe供应脂溶性和水溶性菁染料。
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磺酸基-Cy7-N-羟基琥珀酰亚胺酯
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2、苏丹三 脂肪 橙红
3、苏丹四 脂肪 红
4、双缩脲 蛋白质 紫
5、龙胆紫 染色质 紫
6、碘 淀粉 蓝
7、健那绿 线粒体 绿
8、甲基绿 DNA 绿
9、吡罗红 RNA 红
10、溴麝香草酚蓝 CO2 由蓝变绿再变黄
11、重铬酸钾 酒精 酸性条件下由橙色变成灰绿
12、醋酸洋红(龙胆紫、改良苯酚品红) 染色质 红
13、台盼蓝 检验活死细胞 死细胞会被染成蓝色(不常用)

