Antibody Clonality:
Polyclonal
Applications:- Enzyme-Linked Immunosorbent Assay (ELISA)
- Western Blot (WB)
Storage:
SPIB antibody can be stored at 4°C for three months and -20°C, stable for up to one year.
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This product comes from:
United States.
Typical lead time:
14-21 working days.
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Further Information
Spi-B transcription factor, SPI-B
SPIB antibody can be used for detection of SPIB by Western blot at 1 - 2 μg/ml. Antibody can also be used for immunohistochemistry starting at 2.5 μg/mL. For immunofluorescence start at 20 μg/mL.
Antibody validated: Western Blot in human samples; Immunohistochemistry in human samples and Immunofluorescence in human samples. All other applications and species not yet tested.
SPIB is a member of the ETS transcription factor family that influences lymphoid development and activity and binds the consensus DNA site GGA (A/T) through a unique winged helix-turn-helix motif known as the ETS domain (1). SPIB is found in hematopoietic cells such as B cells and plasmacytoid dendritic cells (DC) (2,3). It promotes the development of plasmacytoid dendritic cells (pDCs) or natural interferon (IFN)-producing cells. SPIB may be required for B-cell receptor (BCR) signaling, which is necessary for normal B-cell development and antigenic stimulation (3,4).
- Ray D, Bosselut R, Ghysdael J, et al. Characterization of Spi-B, a transcription factor related to the putative oncoprotein Spi-1/PU.1. Mol. Cell Biol. 1992; 12:4297-304.
- Nagy M, Chapuis B, and Matthes T. Expression of transcription factors Pu.1, Spi-B, Blimp-1, BSAP and oct-2 in normal human plasma cells and in multiple myeloma cells. Br. J. Haematol. 2002; 116:429-35.
- Schotte R, Rissoan MC, Bendriss-Vermare N, et al. The transcription factor Spi-B is expressed in plasmacytoid DC precursors and inhibits T-, B-, and NK-cell development. Blood 2003; 101:1015-23.
- Schotte R, Nagasawa M, Weijer K, et al. The ETS transcription factor Spi-B is required for human plasmacytoid dendritic cell development. J. Exp. Med. 2004; 200:1503-9.
SPIB antibody is supplied in PBS containing 0.02% sodium azide.
1 mg/mL
Unconjugated
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
Predicted species reactivity based on immunogen sequence: Pig: (88%)
SPIB antibody was raised against a 17 amino acid peptide near the carboxy terminus of human SPIB.
The immunogen is located within amino acids 200 - 250 of SPIB.
6689
Spi-B transcription factor (Spi-1/PU.1 related)
SPIB
homo sapiens
Liquid
PREDICTED MOLECULAR WEIGHT:
Predicted: 19, 25, 29 kDa
Observed: 20 kDa
NP_003112
61888836
SPIB antibody is affinity chromatography purified via peptide column.
Stem Cell,Immunology
SPIB antibody is human, mouse and rat reactive. At least four isoforms of SPIB are known to exist; this antibody will detect all but isoform 3.
Q01892
Optimal dilutions for each application to be determined by the researcher.