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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
2-8°C
- 保质期:
1年
- 英文名:
重组HIV-1 p24蛋白
- 库存:
999
- 供应商:
南京赛泓瑞
- 规格:
/5ug/20ug/1mg
Recombinant Human SplSYK Human Recombinant full length protein (1-635 aa) produced in HEK 293 cells with an N-terminal His-Flag tag, having a molecular weight of 74.25kDa. Human SYK is purified by proprietary chromatographic techniques.n Tyrosine Kinase
英文简称:
SYK
中文名称:
重组人脾酪氨酸激酶
背景资料:
SplSYK Human Recombinant full length protein (1-635 aa) produced in HEK 293 cells with an N-terminal His-Flag tag, having a molecular weight of 74.25kDa. Human SYK is purified by proprietary chromatographic techniques.n Tyrosine Kinase (SYK) belongs to the family of non-receptor type Tyr protein kinases. The SYK protein is extensively expressed in hematopoietic cells and is involved in coupling activated immunoreceptors to downstream signaling events which mediate diverse cellular responses, including proliferation, diHEK293人胚肾上皮细胞中重组表达erentiation, and phagocytosis. SYK is considered to be a modulator of epithelial cell growth and a likely tumor suppressor in human breast carcinomas. SYK is a positive eHEK293人胚肾上皮细胞中重组表达ector of BCR-stimulated responses. SYK connects the B-cell antigen receptor (BCR) to the utilization of calcium ion either through a phosphoinositide 3-kinase-dependent pathway, when not phosphorylated on tyrosines of the linker region, or through a phospholipase C-gamma-dependent pathway, when phosphorylated on Tyr-348 and Tyr-352. Therefore the diHEK293人胚肾上皮细胞中重组表达erential phosphorylation of Syk can define the pathway by which BCR is coupled to the regulation of intracellular calcium ion (By similarity). SYK also phosphorylates USP25 and regulates its intracellular levels.
产品描述:
SYK Human Recombinant full length protein (1-635 aa) produced in HEK 293 cells with an N-terminal His-Flag tag, having a molecular weight of 74.25kDa. Human SYK is purified by proprietary chromatographic techniques.
来源宿主:
HEK293人胚肾上皮细胞中重组表达
序列:
MHHHHHHDYKDDDDKKLMASSGMADSANHLPFFFGNITREEAEDYLVQGGMSDGL YLLRQSRNYLGGFALSVAHGRKAHHYTIERELNGTYAIAGGRTHASPADLCHYHSQES DGLVCLLKKPFNRPQGVQPKTGPFEDLKENLIREYVKQTWNLQGQALEQAIISQKPQL EKLIATTAHEKMPWFHGKISREESEQIVLIGSKTNGKFLIRARDNNGSYALCLLHEGKV LHYRIDKDKTGKLSIPEGKKFDTLWQLVEHYSYKADGLLRVLTVPCQKIGTQGNVNFG GRPQLPGSHPATWSAGGIISRIKSYSFPKPGHRKSSPAQGNRQESTVSFNPYEPELA PWAADKGPQREALPMDTEVYESPYADPEEIRPKEVYLDRKLLTLEDKELGSGNFGTV KKGYYQMKKVVKTVAVKILKNEANDPALKDELLAEANVMQQLDNPYIVRMIGICEAES WMLVMEMAELGPLNKYLQQNRHVKDKNIIELVHQVSMGMKYLEESNFVHRDLAARN VLLVTQHYAKISDFGLSKALRADENYYKAQTHGKWPVKWYAPECINYYKFSSKSDVW SFGVLMWEAFSYGQKPYRGMKGSEVTAMLEKGERMGCPAGCPREMYDLMNLCWT YDVENRPGFAAVELRLRNYYYDVVN.
溶解建议:
提供的重组人脾酪氨酸激酶产品形式为无菌的无色溶液.
保存建议:
建议将重组人脾酪氨酸激酶产品整瓶保存于4℃可保存2-4周. 长期保存,请置于-20℃.请避免反复冻融.
其他简介:
ProSpec是一家全球著名细胞因子蛋白及相关抗体生产和研发品牌。ProSpec的生产和研发工厂位于以色列,专注于蛋白(重组及合成)生产研发,其独有的细菌和哺乳动物表达和蛋白折叠技术使其能在17年内成长为国际的科研级蛋白供应商。目前ProSpec可以提供细胞因子,生长因子,激素,信号蛋白,病毒抗原等近800种重组蛋白和100多种抗体,是世界上提供蛋白品种最多的公司之一,领先的生产工艺和规模使其可以提供毫克到克级蛋白,价格优于同类公司。绝大部分产品是天然成熟型蛋白,而不含有标签蛋白。考虑到大部分研究者希望能更灵活地配制蛋白溶液,ProSpec-Tany绝大部分产品没有添加保护剂或盐,这就对工艺提出了更高的要求。同时,ProSpec-Tany绝大部分产品为冻干粉,因此易于运输和保存。
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文献和实验A New Combined HIV p24 Antigen and Anti-HIV-1/2/O Screening Assay
subtype O, and to HIV-2 and, simultaneously, p24 antigen of HIV-1. To evaluate this assay for daily routine work we compared it with different third-generation assays using sera from uninfected patients and patients with known HIV infection
样品:重组胰蛋白酶,比活 4500USP u/mg pro.,上海雅心生物技术有限公司,纯度如图 1 所示。BAEE,Sigma. 图 1. 重组胰蛋白酶的纯度的 SDS-PAGE 鉴定 1. 最适 pH 的研究 准备 pH 为 3~12 的底物 BAEE(0.25 mM),分别测定 rPT 纯酶液的活性,最后结果表示为测定数值占最高酶活的百分比。缓冲液成分依次为 25 mM NaAc-HAc (pH 3~6),25 mM Tris-HCl (pH 7~8),25
liufengxi HIV-1 Tat (47-57) N-term Cys 序列 H-CYGRKKRRQRRR-NH2 ;原始HIV-1 Tat (47-57)序列为YGRKKRRQRRR 。N端的半胱氨酸修饰是为了利用其含有的巯基和其他分子反应,但是C端得-NH2的修饰是什么目的呢?有这个修饰的必要吗?是为了增强多肽的活性,还是发挥一个阻断活性COOH的作用? 附件是关于HIV-1 Tat (47-57) N-term Cys的产品介绍。请高手
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