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產(chǎn)品名稱

Aggrecanase Activity Assay from EAGLE BIOSCIENCES INC.

產(chǎn)品貨號

30 510 111

產(chǎn)品價格

現(xiàn)貨詢價，電話：010-67529703

產(chǎn)品規(guī)格

1 x 96 well

產(chǎn)品品牌

EAGLE BIOSCIENCES INC.

產(chǎn)品概述

產(chǎn)品詳情

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Product Name	Aggrecanase Activity Assay
Description	Aggrecan-IGD (provided with this kit) is incubated with standard aggrecanase (ADAMTS4) and samples of unknown aggrecanase activity. In addition to aggrecanase, different concentrations of aggrecanase inhibitors can be added. The reaction is stopped by dilution with EDTA-containing buffer. Sample Types: cell culture. Range: 0.024 - 1.5 nM. Sensitivity: 12 pM ADAMTS4. Time: 3.5 hours ? Aggrecan is a large aggregating proteoglycan of articular cartilage [1]. It is found also in aorta tissue, discs, tendon [1] and in the perineuronal net [2]. The aggrecan core protein consists of 2317 amino acids [3]. Up to 130 glucosaminoglycan chains are attached to the core protein and the total molecular mass can reach 2.2 - 3.0 x 106 daltons [4]. Within the aggrecan molecule 3 globular domains (G1, G2 and G3) can be distinguished. Domains G1 and G2 are connected by a rod-shaped polypeptide called interglobular domain (IGD), while the sequence between domains G2 and G3 contains attachment regions for keratan sulfate and chondroitin sulfate chains. Aggrecan interacts via the G1 domain with hyaluronan and link protein to form large aggregates. Such aggregates can contain up to 50 -100 aggrecan monomers noncovalently bound to a single hyaluronan chain through 2 link proteins [1, 4]. Aggrecan degradation is catalyzed by proteinases of the matrix metalloproteinase and ADAMTS (a disintegrin and metalloproteinase with thrombospondin motif) families. Aggrecan-cleaving ADAMTS4 and ADAMTS5, named also aggrecanase 1 and aggrecanase 2, hydrolyze aggrecan at five different sites in vitro and in vivo [5, 6, 7, 8]. Four cleavage sites are located in the chondroitin sulfate-rich region between aggrecan globular domains G2 and G3 (sites E1667 - G1668, E1480 - G1481, E1771 - A1772, E1871 - L1872), while one site is placed in the rod-like polypeptide between globular domains G1 and G2 (E373 - A374). In experiments with isolated proteins additional cleavage sites in aggrecan were identified both for ADAMTS4 [9] and ADAMTS5 [6]. A third proteinase of the ADAMTS family, ADAMTS1, also hydrolyses aggrecan at multiple sites including the unique site in the aggrecan interglobular domain [10]. The enzymatic activity of aggrecanases has been analyzed with isolated aggrecan preparations [11], recombinant aggrecan fragments [12] and a 41-residue peptide immobilized onto strepavidin-coated microplates [13]. The Aggrecanase Activity Assay provides an improved and ready-to-use method for sensitive determination of aggrecanase activity.
Size	1 x 96 well
Concentration	n/a
Applications	RUO
Other Names	Aggrecan, Aggrecanase
Gene, Accession, CAS #	n/a
Catalog #	30 510 111
Price
Order / More Info	Aggrecanase Activity Assay from EAGLE BIOSCIENCES INC.
Product Specific References	n/a
產(chǎn)品資料

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