PAPP-A antigen

Product Information
PAPP-A antigen.  

Description: PAPP-A antigen.  

Applications: Calibrator or standard for htPAPP-A or dPAPP-A assays. PAPP-A can be used for in vitro testing of Down syndrome and other fetal disorders.  

Purity: Ion-exchange chromatography, affinity chromatography, gel-filtration and negative immunoaffinity chromatography.  

Presentation: Lyophilized from solution in 10 mM Tris-HCl, 0.15 M NaCl, pH 7.5. Product is recommended to reconstitute with distilled water.  

Shipping Conditions: - 20 °C  

Source: Pooled human retroplacental blood. Material was tested and found negative for HBsAg, HCV, HIV-1and 2 antibodies, HCV antibodies, and syphilis.  

Analysis: Purity > 85 % (SDS-PAGE)  

Immunological Activity: Immunological activity has been tested with monoclonal antibodies specific to PAPP-A.  

Comments: Heterotetrameric complex, consisting of PAPP-A and pro-MBP subunits (PAPP-A/proMBP complex).

Price: $637.00

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