Revision 1

#3755Store at -20C

Cell Signaling Technology

Orders: 877-616-CELL (2355) [email protected]

Support: 877-678-TECH (8324)

Web: [email protected] cellsignal.com

3 Trask LaneDanversMassachusetts01923USA
For Research Use Only. Not for Use in Diagnostic Procedures.
Applications:

WB, IP, IF-IC

REACTIVITY:

H M

SENSITIVITY:

Endogenous

MW (kDa):

42, 43

SOURCE:

Rabbit

UniProt ID:

#P17275

Entrez-Gene Id:

3726

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000
Immunoprecipitation 1:50
Immunofluorescence (Immunocytochemistry) 1:75

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.

Specificity / Sensitivity

JunB (P169) Antibody detects the endogenous level of total JunB protein.

Species Reactivity:

Human, Mouse

Species predicted to react based on 100% sequence homology

Rat

Source / Purification

Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro169 of human JunB. Antibodies are purified by peptide affinity chromatography.

Background

JunB is a basic region, leucine zipper (bZIP) transcription factor belonging to the Jun family that includes c-Jun and JunD. Jun family members homodimerize or heterodimerize with Fos and ATF proteins to form a functional transcription factor AP-1 (activator protein 1), whose activity is regulated by a variety of physiological and pathological stimuli such as growth factors, infections, and stress signals (1-4). While JunB sometimes antagonizes c-Jun transcriptional activity, it may functionally substitute for c-Jun during development in mice (5-7). JunB regulates hematopoietic stem cell number and plays an important role in the pathogenesis of chronic myelogenous leukemia (CML) and acute myeloid leukemia (AML) (8,9).

  1. Busch, S.J. and Sassone-Corsi, P. (1990) Trends Genet. 6, 36-40.
  2. Shaulian, E. and Karin, M. (2002) Nat. Cell Biol. 4, E131-E136.
  3. Hess, J. et al. (2004) J. Cell Sci. 117, 5965-5973.
  4. Mechta-Grigoriou, F. et al. (2001) Oncogene 20, 2378-2389.
  5. Chiu, R. et al. (1989) Cell 59, 979-986.
  6. Schütte, J. et al. (1989) Cell 59, 987-997.
  7. Passegué, E. et al. (2002) Nat. Genet. 30, 158-166.
  8. Steidl, U. et al. (2006) Nat. Genet. 38, 1269-1277.
  9. Passegué, E. et al. (2004) Cell 119, 431-443.

Species Reactivity

Species reactivity is determined by testing in at least one approved application (e.g., western blot).

Western Blot Buffer

IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.

Applications Key

WB: Western Blotting IP: Immunoprecipitation IF-IC: Immunofluorescence (Immunocytochemistry)

Cross-Reactivity Key

H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

Trademarks and Patents

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
Alexa Fluor is a registered trademark of Life Technologies Corporation.
All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

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