HRK antibody

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Rabbit anti HRK

Product Type
Polyclonal Antibody
Polyclonal IgG
Product CodeApplicationsDatasheetMSDSPack SizeList PriceQuantity
AHP1178T WB 50 µg
AHP1178 WB 0.1 mg
AHP1178 detects Harakiri (HRK), also known as Neuronal death protein DP5 or BH3-interacting domain-containing protein 3. HRK is a BH3 only protein of the Bcl-2 family, which promotes Bax dependent apoptosis. HRK regulates apoptosis through its interaction with the anti-apoptotic proteins Bcl-2 and Bcl-XL, and in conjunction to the mitochondrial pore forming protein p32. HRK is thought to have a specific role in initiating neuronal and haematopoietic cell apoptosis, in particular to growth factor deprivation.

Aberrant methylation of HRK is frequently detected in primary colorectal cancers. Despite its predicted molecular weight of ~18 kDa, HRK often migrates at ~12-15 kDa.

Product Details

Target Species
Species Cross-Reactivity
Target SpeciesCross Reactivity
N.B. Antibody reactivity and working conditions may vary between species.
Product Form
Purified IgG - liquid
Antiserum Preparation
Antisera to HRK were raised by repeated immunisations of rabbits with highly purified antigen. Purified IgG prepared by affinity chromatography.
Buffer Solution
Phosphate buffered saline
Preservative Stabilisers
0.02%Sodium Azide
15 amino acid peptide from near the centre of human HRK (NP_003797).
Approx. Protein Concentrations
IgG concentration 1.0mg/ml

Storage Information

Store at +4oC or at -20oC if preferred.
Storage in frost-free freezers is not recommended.
This product should be stored undiluted. Avoid repeated freezing and thawing as this may denature the antibody. Should this product contain a precipitate we recommend microcentrifugation before use.
Shelf Life
18 months from date of despatch.

More Information

O00198 Related reagents
Entrez Gene
HRK Related reagents
GO Terms
GO:0005515 protein binding
GO:0006915 apoptosis
GO:0006917 induction of apoptosis
GO:0008634 negative regulation of survival gene product expression
For research purposes only

Applications of HRK antibody

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
Western Blotting 2 5ug/ml
Where this antibody has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the antibody for use in their own system using appropriate negative/positive controls.
Western Blotting
AHP1178 detects a band of approximately 13kDa in mouse pancreas tissue lysate.

Secondary Antibodies Available

Description Product Code Pack Size Applications List Price Quantity
Sheep anti Rabbit IgG:Biotin 2AB02B 1 ml C E P WB
Goat anti Rabbit IgG (Fc):Biotin STAR121B 1 mg E WB
Goat anti Rabbit IgG (Fc):FITC STAR121F 1 mg F
Goat anti Rabbit IgG (Fc):HRP STAR121P 1 mg E WB
Goat anti Rabbit IgG (H/L):HRP STAR124P 1 mg C E WB
Sheep anti Rabbit IgG:FITC STAR34B 1 mg C F
Sheep anti Rabbit IgG:RPE STAR35A 1 ml F
Sheep anti Rabbit IgG:DyLight®488 STAR36D488GA 0.1 mg F IF WB
Sheep anti Rabbit IgG:DyLight®549 STAR36D549GA 0.1 mg F IF
Sheep anti Rabbit IgG:DyLight®649 STAR36D649GA 0.1 mg F IF
Sheep anti Rabbit IgG:DyLight®680 STAR36D680GA 0.1 mg F IF WB
Sheep anti Rabbit IgG:Dylight®800 STAR36D800GA 0.1 mg F IF WB

Useful Reagents Available

Description Product Code Pack Size Applications List Price Quantity
TidyBlot™ Western Blot Detection Reagent:HRP STAR209P 0.5 ml WB*

Application Based External Images

Western Blotting

Product Specific References

References for HRK antibody

  1. Nakamura M. et al. (2005) Frequent HRK inactivation associated with low apoptotic index in secondary glioblastomas.
    Acta Neuropathol (Berl). 110: 402-410.
  2. Sanz, C. et al. (2001) Interleukin 3-dependent activation of DREAM is involved in transcriptional silencing of the apoptotic Hrk gene in hematopoietic progenitor cells.
    EMBO J. 20: 2286-2292.
  3. Rizvi, F. et al. (2011) Mitochondrial dysfunction links ceramide activated HRK expression and cell death.
    PLoS One. 6: e18137.

Further Reading

  1. Sunayama, J. et al. (2004) Physical and functional interaction between BH3-only protein Hrk and mitochondrial pore-forming protein p32. .
    Cell Death Differ. 11: 771-781