Cell Signaling Technology

Product Pathways - Apoptosis

Bak (D4E4) Rabbit mAb (PE Conjugate) #14155

Applications Dilution Species-Reactivity Sensitivity MW (kDa) Isotype
F 1:50 Human,Mouse,Rat,Monkey, Endogenous Rabbit IgG

Species cross-reactivity is determined by western blot.

Applications Key: F=Flow Cytometry,

Specificity / Sensitivity

Bak (D4E4) Rabbit mAb (PE Conjugate) recognizes endogenous levels of total Bak protein.

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Gly75 of human Bak protein.

Description

This Cell Signaling Technology antibody is conjugated to phycoerythrin (PE) and tested in-house for direct flow cytometry analysis in human cells. The antibody is expected to exhibit the same species cross-reactivity as the unconjugated Bak (D4E4) Rabbit mAb #12105.

Flow Cytometry

Flow Cytometry

Flow cytometric analysis of SK-BR-3 cells (blue) and HeLa cells (green) using Bak (D4E4) Rabbit mAb (PE Conjugate).

Background

Bak is a proapoptotic member of the Bcl-2 family (1). This protein is located on the outer membrane of mitochondria and is an essential component for transduction of apoptotic signals through the mitochondrial pathway (2,3). Upon apoptotic stimulation, an upstream stimulator like truncated BID (tBID) induces conformational changes in Bak to form oligomer channels in the mitochondrial membrane for cytochrome c release. The release of cytochrome c to the cytosol activates the caspase-9 pathway and eventually leads to cell death (4,5).

  1. Gross, A. et al. (1999) Genes Dev. 13, 1899-1911.
  2. Wei, M.C. et al. (2001) Science 292, 727-730.
  3. Zong, W.X. et al. (2001) Genes Dev. 15, 1481-1486.
  4. Degenhardt, K. et al. (2002) J. Biol. Chem. 277, 14127-14134.
  5. Wei, M.C. et al. (2000) Genes Dev. 14, 2060-2071.

Application References

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Protocols

Companion Products


For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.

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