PAPP-A, heterotetrameric form (htPAPP-A) Cat.#
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Pooled human retroplacental blood.
Material was tested and found negative for HBsAg, HCV, HIV-1 and 2 antibodies, HCV antibodies, and syphilis.
Heterotetrameric complex, consisting of PAPP-A and pro-MBP subunits (PAPP-A/proMBP complex).
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 > 85 % (SDS-PAGE)
Immunological activity has been tested with monoclonal antibodies specific to PAPP-A.
Ion-exchange chromatography, affinity chromatography, gel-filtration and negative immunoaffinity chromatography.
Lyophilized from solution in 10 mM Tris-HCl, 0.15 M NaCl, pH 7.5.
It is recommended to reconstitute this product with deionized water to its initial concentration.
Lyophilized -20°C (-15 … -30 °C allowed)
|Material safety note:||
This product is sold for research use only. Standard Laboratory Practices should be followed when handling this material.
|Additional product information:|
Download datasheet as a PDF file below
- 8P64_htPAPP-A.pdf (pdf)