R&D Systems™ Recombinant Human Pappalysin-1/PAPP-A (aa 82-1627)

Description

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.

Measured by its ability to cleave IGFBP-5. Recombinant Human Pappalysin-1/PAPP-A will cleave >50% of Recombinant Human IGFBP-5 (Catalog # 875-B5 ), as measured under the described conditions.

Specifications

• Accession Number: Q13219
• For Use With (Application): Enzyme Activity
• Formulation: Supplied as a 0.2 μm filtered solution in Tris, NaCl, CaCl2, and CHAPS.
• Gene ID (Entrez): 5069
• Molecular Weight (g/mol): M.W. (Observed): 139-238 kDa, three bands, reducing conditions; M.W. (theoretical): 173 kDa
• Name: Pappalysin-1/PAPP-A aa 82-1627
• Quantity: 20 μg
• Source: Mouse myeloma cell line, NS0-derived human Pappalysin-1/PAPP-A protein Glu82-Gly1627 (S1224Y), with a C-terminal 6-His tag
• Storage Requirements: Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 6 months from date of receipt, -20°C to -70°C as supplied. 3 months, -20°C to -70°C under sterile conditions after opening.
• Endotoxin Concentration: <1.0 EU / 1 μg of the protein by the LAL method.
• Gene Symbol: PAPPA
• Conjugate: Unconjugated
• Recombinant: Recombinant
• Purity or Quality Grade: >95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
• Protein: Pappalysin-1/PAPP-A