Human PIBF1 Alexa Fluor® 700-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # AF5559N
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Immunohistochemistry, Western Blot
Label
Alexa Fluor 700 (Excitation = 675-700 nm, Emission = 723 nm)
Antibody Source
Polyclonal Sheep IgG
Product Specifications
Immunogen
E. coli-derived recombinant human PIBF1
Glu19-Ala419
Accession # Q8WXW3
Glu19-Ala419
Accession # Q8WXW3
Specificity
Detects human PIBF1 in direct ELISAs and Western blots.
Clonality
Polyclonal
Host
Sheep
Isotype
IgG
Applications for Human PIBF1 Alexa Fluor® 700-conjugated Antibody
Application
Recommended Usage
Immunohistochemistry
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
Antigen Affinity-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: PIBF1
PIBF-1 (Progesterone induced blocking factor 1) is a 90-92 kDa progesterone-inducible molecule initially isolated from the lymphocytes of pregnant women. It is produced by lymphocytes plus villous trophoblast cells, and modulates the activity of cytotoxic NK cells. Human PIBF-1 is 757 amino acids (aa) in length. It contains a possible signal sequence (aa 1-26), two Leu-zippers (aa 311-323 and 643-664), two NLSs (aa 282-285 and 567-573), a bZIP sequence (aa 574-614), and an ER retention motif (aa 752-757). PIBF-1 is found in the nucleus, cytoplasm, and circulation, the result of multiple splice variants. SDS-page shows 90 kDa, 80-83 kDa, 48-52 kDa, 34-35 kDa, and 10-12 kDa isoforms. The 90 kDa form is nuclear and full-length, while the 34-35 kDa form is secreted and likely represents aa 1-223 spliced to aa 683-757. There is a 50-55 kDa form that is apparently intracellular, possibly bioactive and likely represents the N-terminus of the molecule. Over aa 19‑419, human PIBF-1 shares 88% aa identity with mouse PIBF-1.
Long Name
Progesterone Immunomodulatory Binding Factor 1
Alternate Names
C13orf24, chromosome 13 open reading frame 24, KIAA1008, PIBF, progesterone immunomodulatory binding factor 1, progesterone-induced blocking factor 1, progesterone-induced-blocking factor 1, RP11-505F3.1
Gene Symbol
PIBF1
UniProt
Additional PIBF1 Products
Product Specific Notices for Human PIBF1 Alexa Fluor® 700-conjugated Antibody
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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