| Product Name | HCV Protease FRET Substrate (RET S1) |
| Size | 1 mg |
| Catalog # | AS-22991 |
| US$ | $595 |
This peptide is a HCV protease substrate incorporating an ester bond between residues P1 and P1. Due to ready transesterification of the scissile bond to the acyl-enzyme intermediate, this substrate shows very high kcat/Km values, enabling detection of activity with subnanomolar nonstructural protein 3 (NS3 protease) concentrations. It is widely used for the continuous assay of NS3 protease activity. Substrate cleavage is proportional to the enzyme concentration with a detection limit for NS3 between 1 nM and 250 pM. Upon cleavage of this substrate, fluorescence can be monitored at Abs/Em = 355/500 nm. | |
| Detailed Information | |
| Storage | -20°C desiccated and protected from light |
| References | Lin, C. et al. J. Biol. Chem. 10, 1074 (2004); Kakiuchi, N. et al. J. Virol. Methods 80, 77 (1999); Liu, Y. et al. Anal. Biochem. 267, 331 (1999); Taliani, M. et al. Anal. Biochem. 240, 60 (1996). |
| Molecular Weight | 1548.6 |
| Ac-DE-D(Edans)-EE-Abu-ψ-[COO]-AS-K(Dabcyl)-NH2 | |
| Sequence(Three-Letter Code) | Ac - Asp - Glu - Asp(EDANS) - Glu - Glu - Abu - ψ - [COO] - Ala - Ser - Lys(DABCYL) - NH2 |
| Product Citations | Beran, R. et al. J Virol 83, 3268 (2009).Lin, T. et al. Antimicrob Agents Chemother 53, 1377 (2009).Pan, K. et al. Antimicrob Agents Chemother 10 (2009).Phan, T. et al. J Virol 83, 8379 (2009).Beran, R. et al. J Biol Chem 283, 29929 (2008).Zhou, Y. et al. Antimicrob Agents Chemother 52, 110 (2008).Zhou, Y. et al. (2007). Phenotypic and Structural Analyses of Hepatitis C Virus NS3 Protease Arg155 Variants SENSITIVITY TO TELAPREVIR (VX-950) AND INTERFERON α. J Biol Chem 282, 22619.Zhou, Y. et al. (2007). PHENOTYPIC CHARACTERIZATION OF VAL36 RESISTANT VARIANTS OF HEPATITIS C VIRUS NS34A SERINE PROTEASE. Antimicrob Agents Chemother doi:10.1128/AAC.00863-07.Perni, RB. et al. Antimicrob Agents Chemother 50, 899 (2006).Ferreon, J. et al.J Biol Chem280,20483 (2005).Lin, C. et al.J Biol Chem279, 17508 (2004). |
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特点
零耐药性,零药物残留,调控瘤胃微生物,提高饲料吸收,提高产奶量、降低体细胞、防治隐性乳房炎。
主要成分
抗牛乳房炎特异性IgY、乳酸芽孢杆菌、嗜酸乳杆菌、螯合维生素、半胱胺肽、全卵蛋白肽、活性酵母菌、螯合铁、铜、锌,抗病因子、保健因子、有益菌、生物活性复合酶、生物活性小肽等多种高档原料。
产品性状
本品呈黄褐色粉末,有特别的发酵芳香味。
功能特点
采用“三步多相联合发酵”专利技术生产,经深层发酵,离心、真空低温干燥后,辅以免疫多糖和多种科学配制而成。
1、可彻底分解霉变饲料中的弱极性霉菌毒素,可完全替代预防用抗生素;
2、可明显提高奶牛生产的各个指标,试验证明提高产奶量8-20%。延长产奶高峰15-35天,提高乳脂率0.25-0.4%,同时提高乳蛋白含量0.02-0.05%;
3、对防治奶牛乳房炎有特效,可降低乳房炎发病率60-70%,同时防治奶牛酸奶症效果突出;
4、加快犊牛瘤胃发育,可有效降低腹泻率47%,提高饲料利用率2.5%;
5、生物学稳定性高,耐挤压、耐酸碱(PH3-9)、耐高温(90℃加热30分钟活菌损失不到1%);
6、减少粪便排泄量,可降低牛舍氨臭味,减少。
应用范围:
犊牛、青年牛、高产奶牛、干乳奶牛。
使用方法:
①犊牛本品1000g拌料1000-2000斤,如发生腹泻时本品1000g拌料500斤均匀混饲;
②青年牛和干乳奶牛本品1000g拌料1000-2000斤,均匀混饲;
③高产奶牛本品1000g拌料500-1000斤,均匀混饲,如遇天气突变、转群、噪音等各种应激情况本品1000g拌料500-1000斤添加使用。
望采纳!!
英 [kənˈtɪnju:]美 [kənˈtɪnju]
vi.
持续;逗留;维持原状
vt.
延期;使延伸;使持续;继续说
如题,求购做wb时适用于牛的抗纤连蛋白抗体,分装或者试用装皆可,不求多么高质量,做出来的东西能毕业就行,谢谢~~
有没有知道哪个公司可以买到几种牛病毒的荧光标记的抗体?
我要做细胞的免疫荧光实验。
1.Bluetongue蓝舌病毒
2.BovineAdenovirus牛腺病毒
3.BovineParvovirus牛细小病毒
4.BovineRespiratorySyncytialVirus牛呼吸道融合病毒
5.BovineVirusDiarrhoea牛腹泻病毒
6.Reovirus呼肠孤病毒-3
7.InfectiousBovineRhinotracheitis,IBR传染性牛鼻气管炎病毒
8.BovineParainfluenzaVirusType3,PI3牛副流行性感冒3型病毒
9.RABIes狂犬病毒
能提供一种的也可以,多谢啊~~~~~~~

