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You are here:Home » Antibodies » Antibodies-Matrix Metalloproteinases » Anti -ADAMTS4 (Aggrecanase I, A Disintegrin And Metalloproteinase with Thrombospondin motif 4)

Anti -ADAMTS4 (Aggrecanase I, A Disintegrin And Metalloproteinase with Thrombospondin
motif 4)


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Clone Host Grade Applications
Monoclonal Mouse Affinity Purified E B IP N
ADAMTS4 is a secreted member of the ADAM family of proteins. ADAMTS4 is upregulated by TNF-alpha in osteoarthritis and contributes to joint destruction. Its upregulation in some cancers may enhance tumor invasiveness. Human ADAMTS4 consists of a signal peptide (aa1-51), a pro domain (aa52-212) and a mature chain (aa213-837) containing the following domains: catalytic (aa218-425), disintegrin (aa437-519), TSP type-1 (aa520-575), Cys-rich (aa577-685) and spacer (aa686-837). The amino acid sequence of rhADAMTS4 is 100%, 97% and 94% identical to that of chimpanzee, dog, and mouse/rat/bovine.
Catalog #A0859-60E
ApplicationsSuitable for use in Neutralization, Direct ELISA, Western Blot and Immunoprecipitation. Other applications not tested.
Recommended DilutionsNeutralization: 25ug/ml (IC50) inhibits 50% of the proteolytic activity under conditions in which the enzyme was present at 5ug/ml and the substrate concentration was 100ug/ml. The antibody was preincubated with the enzyme at different molar ratios at RT for 30 minutes. The enzyme was then assayed with recombinant human Aggrecan G1-IGD-G2 domains as the substrate. Considering the molecular mass of the enzyme (50kD) and the antibody (150kD), IC50 was achieved at ~2:1 molar ratio of the antibody to enzyme.
Direct ELISA: 0.5-1.0ug/ml. The detection limit is ~2ng/well.
Western Blot: 1-2ug/ml. Using a colormetric system, the detection limit is ~25ng/lane under non-reducing conditions. Use under reducing conditions is not recommended.
Immunoprecipitation: 25ug/ml immunoprecipitates recombinant human ADAMTS4 from conditioned cell medium.
Optimal dilutions to be determined by the researcher.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. 
Clone TypeMonoclonal
Clone No9H40
Concentration~0.5mg/ml (after reconstitution)
FormSupplied as a lyophilized powder from PBS, 5% trehalose. Reconstitute with 1ml sterile PBS.
PurityPurified by Protein G affinity chromatography.
ImmunogenRecombinant corresponding to aa213-685 from human ADAMTS4 expressed in NSO cells (O75173).
SpecificityRecognizes human ADAMTS4. Does not crossreact with recombinant human ADAMTS1, ADAMTS5, ADAMTS13 or ADAMTSL1.2. Species Sequence Homology: chimpanzee; 100%, canine; 97%, mouse, rat, bovine; 94%
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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