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- 公司名稱 天津百螢生物科技有限公司
- 品牌
- 型號 13456
- 所在地 天津市
- 廠商性質(zhì) 生產(chǎn)廠家
- 更新時間 2015/11/20 11:00:00
- 訪問次數(shù) 457
當前位置:儀器網(wǎng) > 產(chǎn)品中心 > 生命科學(xué)儀器及設(shè)備>細胞生物學(xué)儀器>細胞分析(細胞成像、流式細胞、能量代謝)>13456 20S蛋白酶體活性檢測試劑盒
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蛋白酶體zui通用的形式就是26s蛋白酶體,它包含一個20S的核心結(jié)構(gòu)顆粒和兩個19S調(diào)節(jié)調(diào)節(jié)基團。所有20S的核心結(jié)構(gòu)顆粒包含四對七聚物環(huán)狀結(jié)構(gòu)組成兩種不同的亞基,alpha亞基是結(jié)構(gòu)亞基,beta亞基主要是催化亞基。
產(chǎn)品描述:
蛋白酶體zui通用的形式就是26s蛋白酶體,它包含一個20S的核心結(jié)構(gòu)顆粒和兩個19S調(diào)節(jié)調(diào)節(jié)基團。所有20S的核心結(jié)構(gòu)顆粒包含四對七聚物環(huán)狀結(jié)構(gòu)組成兩種不同的亞基,alpha亞基是結(jié)構(gòu)亞基,beta亞基主要是催化亞基。在兩個環(huán)狀結(jié)構(gòu)外每個含有七個alpha亞基主要是為了調(diào)整顆粒的停靠。Alpha亞基N端結(jié)構(gòu)是可以阻擋未調(diào)節(jié)底物進入內(nèi)腔的門戶。內(nèi)腔兩個環(huán)分別包含七個beta亞基包含酶激活位點來執(zhí)行蛋白水解反應(yīng)。Amplite 20S蛋白酶體熒光檢測試劑盒可以用來檢測培養(yǎng)細胞或者細胞裂解液里蛋白酶體復(fù)合物中類似*蛋白酶的活性。這個試劑盒使用LLVY-R110作為蛋白酶的熒光指示劑。通過蛋白酶切開LLVY-R110產(chǎn)生強綠色的R110,其檢測熒光在520-530nm,激發(fā)光為480-500nm。該試劑盒提供所有必要成分并提供*實驗操作方案。這個實驗?zāi)芊€(wěn)定并高通量的評估從培養(yǎng)細胞或者溶液中蛋白酶體的活性和篩選抑制劑。該實驗方案能方便的在96或384微孔板中分析。
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英文注釋:
Our Amplite Fluorometric 20S Proteasome Assay Kit is a homogeneous fluorescent assay that measures the chymotrypsin-like protease activity associated with the proteasome complex either in cultured cells or cell lysates. This kit uses LLVY-R110 as a fluorogenic indicator for proteasome activity. Cleavage of LLVY-R110 by proteasome generates the strongly green fluorescent R110 that is monitored fluorimetrically at 520-530 nm with excitation of 480-500 nm. The kit provides all the essential components with an optimized assay protocol. The assay is robust, and can be readily adapted for high-throughput assays for evaluation of proteasome activity or inhibitor screening in cultured cells or in solution. The assay can be performed in a convenient 96-well and 384-well fluorescence microtiter-plate format. The main function of the proteasome is to degrade unneeded or damaged proteins by proteolysis, a chemical reaction that breaks peptide bonds. The proteasomal degradation pathway is essential for many cellular processes, including the cell cycle, the regulation of gene expression, and responses to oxidative stress. The most common form of the proteasome in this pathway is the 26S proteasome, an ATP-dependent proteolytic complex, which contains one 20S (700-kDa) core particle structure and two 19S (700-kDa) regulatory caps. The 20S core contains three major proteolytic activities including chymotrypsin-like, trypsin-like and caspase-like. It is responsible for the breakdown of key proteins involved with apoptosis, DNA repair, endocytosis, and cell cycle control.
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