Human PIBF1 Alexa Fluor™ Plus 680-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # AF5559AFP680
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Immunohistochemistry, Western Blot
Label
Alexa Fluor Plus 680 (Excitation = 687 nm, Emission = 704 nm)
Antibody Source
Polyclonal Sheep IgG
Product Specifications
Specificity
Detects human PIBF1 in direct ELISAs and Western blots.
Clonality
Polyclonal
Host
Sheep
Isotype
IgG
Applications for Human PIBF1 Alexa Fluor™ Plus 680-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.
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™ Plus 680-conjugated Antibody
This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.
For research use only
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