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AB257383

Human CBX1 (HP1 beta) knockout HEK-293T cell lysate

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CBX1 KO cell lysate available now. KO validated by Western blot. Free of charge wild type control included. Knockout achieved by using CRISPR/Cas9, 10 bp deletion in exon2.

View Alternative Names

CBX, CBX1_HUMAN, Chromobox 1, Chromobox homolog 1 (HP1 beta homolog Drosophila ), Chromobox protein homolog 1, Drosophila HP1 beta, HP1 beta, HP1 beta homolog, HP1 beta homolog Drosophila, HP1, Drosophila. homolog of, beta, HP1Hs beta, Heterochromatin protein 1 beta, Heterochromatin protein 1 homolog beta, Heterochromatin protein p25, Human heterochromatin protein p25 mRNA complete cds, M31, MOD 1, Modifier 1 protein, chromobox homolog 1, heterochromatin protein p25 beta, p25beta

2 Images
Western blot - Human CBX1 (HP1 beta) knockout HEK-293T cell lysate (AB257383)
  • WB

Lab

Western blot - Human CBX1 (HP1 beta) knockout HEK-293T cell lysate (AB257383)

Lane 1 : Wild-type HEK-293T cell lysate (20µg)

Lane 2 : CBX1 knockout HEK-293T cell lysate (20µg)

Lanes 1- 2 : Merged signal (red and green). Green - ab10478 observed at 26 kDa. Red - loading control ab7291 observed at 50 kDa.

ab10478 Anti-CBX1 / HP1 beta antibody was shown to specifically react with CBX1 / HP1 beta in wild-type HEK-293T cells in western blot. Loss of signal was observed when knockout cell line ab266356 (knockout cell lysate ab257383) was used. Wild-type and CBX1 / HP1 beta knockout samples were subjected to SDS-PAGE. Membrane was blocked for 1 hour at room temperature in 0.1% TBST with 3% non-fat dried milk. ab10478 and Anti-alpha Tubulin antibody [DM1A] - Loading Control (ab7291) were incubated overnight at 4°C at 1 in 1000 dilution and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

All lanes:

Western blot - Anti-CBX1 / HP1 beta antibody (<a href='/en-us/products/primary-antibodies/cbx1-hp1-beta-antibody-ab10478'>ab10478</a>) at 1/1000 dilution

Lane 1:

Wild-type HEK-293T cell lysate at 20 µg

Lane 2:

CBX1 knockout HEK-293T cell lysate at 20 µg

Lane 2:

Western blot - Human CBX1 (HP1 beta) knockout HEK-293T cell line (<a href='/en-us/products/cell-lines/human-cbx1-hp1-beta-knockout-hek-293t-cell-line-ab266356'>ab266356</a>)

Predicted band size: 21 kDa

Observed band size: 26 kDa

false

Sanger Sequencing - Human CBX1 (HP1 beta) knockout HEK-293T cell lysate (AB257383)
  • Sanger seq

Unknown

Sanger Sequencing - Human CBX1 (HP1 beta) knockout HEK-293T cell lysate (AB257383)

Homozygous : 10 bp deletion in exon2

Key facts

Cell type

HEK-293T

Species or organism

Human

Tissue

Kidney

Knockout validation

Sanger Sequencing,Western blot

Mutation description

Knockout achieved by using CRISPR/Cas9, 10 bp deletion in exon2.

Reactivity data

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Product details

Knockout cell lysate achieved by CRISPR/Cas9.

REACH authorisation
Abcam has not and does not intend to apply for the REACH Authorisation of customers' uses of products that contain European Authorisation list (Annex XIV) substances.
It is the responsibility of our customers to check the necessity of application of REACH Authorisation, and any other relevant authorisations, for their intended uses.

Lysate preparation: Our lysates are made using RIPA buffer to which we add a protease inhibitor cocktail and phosphatase inhibitor cocktail (ratio: 300:100:10). This means that the protein of interest is denatured. If you require a native form of the protein please use the live cell version. Please refer to our lysis protocol for further details on how our lysates are prepared.

User storage instructions: Lyophilizate may be stored at 4°C. After reconstitution, store at -20°C for short-term storage or -80°C for long-term storage.

This product is subject to limited use licenses from The Broad Institute and ERS Genomics Limited, and is developed with patented technology. For full details of the limited use licenses and relevant patents please refer to our limited use license and patent pages.

What's included?

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Properties and storage information

Gene name
CBX1
Gene editing type
Knockout
Gene editing method
CRISPR technology
Knockout validation
Sanger Sequencing, Western blot
Shipped at conditions
Ambient - Can Ship with Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
-20°C

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

CBX1 also known as HP1 beta is a chromatin-associated protein that plays an important role in chromatin organization and epigenetic regulation. This protein has a mass of approximately 22 kDa and localizes within the nucleus where it participates in heterochromatin formation. CBX1 recognizes and binds to histone H3 when it is methylated at lysine 9 (H3K9me3) a modification integral to forming tightly packed DNA regions. Expression of CBX1 occurs widely in many tissue types reflecting its fundamental role in genomic maintenance and cell cycle regulation.
Biological function summary

The CBX1 protein acts as an integral component of the chromatin remodeling complex. By binding to methylated histones CBX1 helps stabilize chromatin architecture and repress transcription of genes within heterochromatic regions. This function is essential for maintaining gene silencing which is critical for processes like development and differentiation. CBX1 collaborates with other HP1 isoforms such as HP1 alpha and HP1 gamma as part of the family of heterochromatin proteins that contribute collectively to chromatin dynamics and gene expression control.

Pathways

CBX1 plays a part in the epigenetic transcriptional repression and cell cycle regulation pathways. It associates with SUV39H1 a methyltransferase to recognize and bind the H3K9me3 mark adding stability to the methylation signal and contributing to gene silencing. Additionally CBX1 interacts with other proteins like DNMT1 a DNA methyltransferase reinforcing its role in sustaining repressive chromatin states and preserving genome integrity during DNA replication.

CBX1 holds a significant association with cancer and neurological disorders. Aberrant expression or mutations in CBX1 can lead to disrupted chromatin states influencing oncogene activation or tumor suppressor gene silencing which are common events in cancer development. Furthermore altered CBX1 function links to neurological disorders where inappropriate chromatin remodeling contributes to disease pathology. Changes in the expression and interaction with other proteins including HP1 alpha highlight its potential role in disease mechanisms making CBX1 a relevant target for therapeutic research.

Quality control

STR analysis

CSF1PO, D13S317, D7S820, D5S818, TH01, D16S539, TPOX

Cell culture

Biosafety level

EU: 2 US: 2

Adherent/suspension

Adherent

Gender

Female

Product protocols

Product promise

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