Key features and details
- Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
- Rabbit monoclonal [EPR11381(2)] to PER2
- Suitable for: Flow Cyt, WB, ICC/IF
- Reacts with: Human
Product nameAnti-PER2 antibody [EPR11381(2)]
See all PER2 primary antibodies
DescriptionRabbit monoclonal [EPR11381(2)] to PER2
Tested applicationsSuitable for: Flow Cyt, WB, ICC/IFmore details
Unsuitable for: IHC-P
Species reactivityReacts with: Human
Synthetic peptide within Human PER2 aa 50-150 (Cysteine residue). The exact sequence is proprietary.
Database link: O15055
- WB: A673, Y79, HeLa and BxPC-3 cell lysates. ICC/IF: HeLa cells. Flow Cyt: HeLa cells.
Mouse, Rat: We have preliminary internal testing data to indicate this antibody may not react with these species. Please contact us for more information.
This product is a recombinant monoclonal antibody, which offers several advantages including:
- - High batch-to-batch consistency and reproducibility
- - Improved sensitivity and specificity
- - Long-term security of supply
- - Animal-free production
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
We are constantly working hard to ensure we provide our customers with best in class antibodies. As a result of this work we are pleased to now offer this antibody in purified format. We are in the process of updating our datasheets. The purified format is designated 'PUR' on our product labels. If you have any questions regarding this update, please contact our Scientific Support team.
Storage instructionsShipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term. Avoid freeze / thaw cycle.
Storage bufferpH: 7.20
Preservative: 0.01% Sodium azide
Constituents: PBS, 40% Glycerol, 0.05% BSA
Concentration information loading...
PurityProtein A purified
Our Abpromise guarantee covers the use of ab179813 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|Flow Cyt||1/10 - 1/200.
ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.
|WB||1/1000 - 1/10000. Predicted molecular weight: 137 kDa.|
|ICC/IF||1/50 - 1/200.|
FunctionComponent of the circadian clock mechanism which is essential for generating circadian rhythms. Negative element in the circadian transcriptional loop. Influences clock function by interacting with other circadian regulatory proteins and transporting them to the nucleus. Negatively regulates CLOCK
Tissue specificityWidely expressed. Found in heart, brain, placenta, lung, liver, skeletal muscle, kidney and pancreas. High levels in skeletal muscle and pancreas. Low level in lung.
Involvement in diseaseDefects in PER2 are a cause of familial advanced sleep-phase syndrome (FASPS) [MIM:604348]. FASPS is characterized by very early sleep onset and offset. Individuals are 'morning larks' with a 4 hours advance of the sleep, temperature and melatonin rhythms.
Sequence similaritiesContains 1 PAC (PAS-associated C-terminal) domain.
Contains 2 PAS (PER-ARNT-SIM) domains.
modificationsPhosphorylated by CSNK1E and CSNK1D. Phosphorylation results in PER2 protein degradation.
Cellular localizationNucleus. Cytoplasm. Mainly nuclear. Nucleocytoplasmic shuttling is effected by interaction with other circadian core oscillator proteins and/or by phosphorylation. Retention of PER1 in the cytoplasm occurs through PER1-PER2 heterodimer formation or by interaction with CSNK1E and/or phosphorylation which appears to mask the PER nuclear localization signal. Also translocated to the nucleus by CRY1 or CRY2.
- Information by UniProt
- Circadian clock protein PERIOD 2 antibody
- FASPS antibody
- FASPS1 antibody
All lanes : Anti-PER2 antibody [EPR11381(2)] (ab179813) at 1/5000 dilution (purified)
Lane 1 : HeLa whole cell lysate
Lane 2 : A673 whole cell lysate
Lane 3 : BxPC-3 whole cell lysate
Lane 4 : Y79 whole cell lysate
Lysates/proteins at 20 µg per lane.
All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/20000 dilution
Predicted band size: 137 kDa
Observed band size: 140 kDa why is the actual band size different from the predicted?
Blocking and dilution buffer: 5% NFDM/TBST.
Immunocytochemistry/Immunofluorescence analysis of HeLa cells labelling PER2 with purified ab179813 at a dilution of 1/200. Cells were fixed with 4% paraformaldehyde and permeabilized with 0.1% Triton X-100. ab150077, an Alexa Fluor® 488-conjugated goat anti-rabbit IgG (1/1000) was used as the secondary antibody. DAPI (blue) was used as the nuclear counterstain. ab7291, a mouse anti-tubulin (1/1000) and ab150120, an Alexa Fluor® 594-conjugated goat anti-mouse IgG (1/1000) were also used.
Control 1: primary antibody (1/200) and secondary antibody, ab150120, an Alexa Fluor® 594-conjugated goat anti-mouse IgG (1/1000).
Flow Cytometry analysis of HeLa cells labelling PER2 with purified ab179813 at a dilution of 1/200 (red). Cells were fixed with 4% paraformaldehyde. An Alexa Fluor® 488-conjugated goat anti-rabbit IgG (1/500) was used as the secondary antibody. Black - Isotype control, rabbit monoclonal IgG. Blue - Unlabelled control, cells without incubation with primary and secondary antibodies.
All lanes : Anti-PER2 antibody [EPR11381(2)] (ab179813) at 1/1000 dilution (unpurified)
Lane 1 : A673 cell lysate
Lane 2 : HeLa cell lysate
Lane 3 : BxPC-3 cell lysate
Lysates/proteins at 10 µg per lane.
Predicted band size: 137 kDa
Immunocytochemistry/Immunofluorescence analysis of HeLa cells labeling PER2 with unpurified ab179813 at a dilution of 1/50.
Flow cytometric analysis of permeabilized HeLa cells labeling PER2 with unpurified ab179813 at a dilution of 1/10 (red) or a rabbit IgG (negative) (green).
ab179813 has been referenced in 5 publications.
- Xiang R et al. Circadian clock gene Per2 downregulation in non-small cell lung cancer is associated with tumour progression and metastasis. Oncol Rep 40:3040-3048 (2018). PubMed: 30226549
- Zhang Y et al. Dosing time dependent in vitro pharmacodynamics of Everolimus despite a defective circadian clock. Cell Cycle 17:33-42 (2018). PubMed: 29099263
- Jiang X et al. Neurodegeneration-associated FUS is a novel regulator of circadian gene expression. Transl Neurodegener 7:24 (2018). PubMed: 30338063
- Chen B et al. Per2 participates in AKT-mediated drug resistance in A549/DDP lung adenocarcinoma cells. Oncol Lett 13:423-428 (2017). PubMed: 28123577
- Muter J et al. The clock protein period 2 synchronizes mitotic expansion and decidual transformation of human endometrial stromal cells. FASEB J 29:1603-14 (2015). WB . PubMed: 25573754