Human Pappalysin-2/PAPP-A2 Alexa Fluor® 700-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # FAB1668N
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Western Blot, Immunoprecipitation
Label
Alexa Fluor 700 (Excitation = 675-700 nm, Emission = 723 nm)
Antibody Source
Monoclonal Mouse IgG2B Clone # 242011
Product Specifications
Immunogen
Mouse myeloma cell line NS0-derived recombinant human Pappalysin‑2/PAPP‑A2
Ser234-Cys1396
Accession # Q9BXP8
Ser234-Cys1396
Accession # Q9BXP8
Specificity
Detects human Pappalysin‑2/PAPP‑A2 in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant human PAPP-A is observed.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG2B
Applications
Application
Recommended Usage
Immunoprecipitation
Optimal dilution of this antibody should be experimentally determined.
Western Blot
Optimal dilution of this antibody should be experimentally determined.
Formulation, Preparation, and Storage
Purification
Protein A or G purified
Formulation
Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied
Background: Pappalysin-2/PAPP-A2
Pappalysins belong to a fifth family of metzincin proteases that consists of ADAMs/ADAMTSs, MMPs, astacins and serrylysins (1, 2). PAPP-A is an important pregnancy protein and increases in plasma by a factor of about 150 during pregnancy as compared to the nonpregnant state. PAPP-A is also a major marker of Down syndrome in the first trimester of pregnancy because maternal serum levels of PAPP-A are significantly reduced when a fetus affected by Down syndrome is present (3). PAPP-A cleaves Insulin-like Growth Factor-Binding Protein-4 and -5 (IGFBP-4 and -5) at a single site, resulting in the release of bioactive IGF (4). Compared to PAPP‑A, PAPP-A2 (also called PAPP-E), the second member of the family is less characterized. PAPP-A2 shares 45% amino acid identity to PAPP-A in the mature form, which is synthesized as a preproprotein consisting of multiple domains (1). The prepro region (residues 1‑233) and the C-terminal region (residues 1397‑1791) are not included in recombinant human PAPP-A2.
Long Name
Pregnancy-associated Plasma Protein
Alternate Names
PAPP-A2, PAPPA2, Pappalysin2, PAPPE, PLAC3
Entrez Gene IDs
60676 (Human)
Gene Symbol
PAPPA2
UniProt
Additional Pappalysin-2/PAPP-A2 Products
Product Specific Notices
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
For research use only
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