Anti-HP1 alpha antibody [RAB-C133]
- Recombinant
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Human Recombinant Monoclonal HP1 alpha antibody. Suitable for WB, ICC/IF, Flow Cyt (Intra) and reacts with Human samples. Immunogen corresponding to Recombinant Fragment Protein within Human CBX5 aa 1-100.
View Alternative Names
HP1A, CBX5, Chromobox protein homolog 5, Antigen p25, Heterochromatin protein 1 homolog alpha, HP1 alpha
- Flow Cyt (Intra)
Supplier Data
Flow Cytometry (Intracellular) - Anti-HP1 alpha antibody [RAB-C133] (AB317725)
Paraformaldehyde fixed HeLa cells permeabilized with 0.5% Triton were stained with anti-unknown specificity antibody (isotype control, black line) or the rabbit IgG version of ab317725 (blue line) at a dilution of 1 : 100 for 1h at RT. After washing, the bound antibody was detected using a goat anti-rabbit IgG AlexaFluor® 488 antibody at a dilution of 1 : 1000.
- ICC/IF
Supplier Data
Immunocytochemistry/ Immunofluorescence - Anti-HP1 alpha antibody [RAB-C133] (AB317725)
Immunofluorescence analysis of paraformaldehyde fixed HeLa cells permeabilized with 0.15% Triton stained with the chimeric rabbit IgG version of ab317725 (1 : 100 dilution) for 1h followed by Alexa Fluor® 488 secondary antibody (1 : 1000 dilution), showing nuclear staining. The nuclear stain is DAPI (blue). Panels show from left-right, top-bottom primary antibody/secondary, DAPI, merged channels and an isotype control. The isotype control was an unknown specificity antibody followed by staining with Alexa Fluor® 488 secondary antibody.
- WB
Supplier Data
Western blot - Anti-HP1 alpha antibody [RAB-C133] (AB317725)
Chimeric rabbit version of ab317725 was used for this WB. A primary incubation of 1h was used and protein was detected by chemiluminescence.
All lanes:
Western blot - Anti-HP1 alpha antibody [RAB-C133] (ab317725) at 0.003 µg/mL
Lane 1:
Nuclear lysates of HeLa (35ug protein in RIPA buffer)
Lane 2:
Nuclear lysates of HEK293 (35ug protein in RIPA buffer)
Lane 3:
Nuclear lysates of A431 (35ug protein in RIPA buffer)
Lane 4:
Nuclear lysates of MCF7 (35ug protein in RIPA buffer)
Lane 5:
Nuclear lysates of Jurkat (35ug protein in RIPA buffer)
Lane 6:
Nuclear lysates of K562 (35ug protein in RIPA buffer)
Secondary
All lanes:
Anti-rabbit secondary antibody
Predicted band size: 22 kDa
false
Reactivity data
Properties and storage information
Form
Purification technique
Purification notes
Storage buffer
Shipped at conditions
Appropriate short-term storage duration
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Aliquoting information
Storage information
Supplementary information
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
Heterochromatin protein 1 alpha acts as a modulator of gene silencing. It is part of a larger protein complex that contains various chromatin modifiers responsible for maintaining the silent state of certain genes. By mediating these interactions HP1 alpha helps regulate transcription replication timing and DNA repair processes. This regulation is essential for the structural maintenance of heterochromatin and plays a part in chromosomal stability.
Pathways
HP1 alpha is integral in the epigenetic regulation pathway along with other well-known proteins including SUV39H1 and SUV39H2 which are histone methyltransferases. HP1 alpha also links to the DNA damage response pathway where it recruits repair factors to maintain genomic integrity. Through these pathways HP1 alpha interacts closely with proteins like BRCA1 emphasizing its role in cellular homeostasis and response to DNA damage.
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