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AB280068

Human ERCC4 knockout HeLa cell line

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Human ERCC4 knockout HeLa cell line available to order. Recommended control: Human wild-type HeLa cell line (ab275466).

View Alternative Names

DNA excision repair protein ERCC-4, DNA repair endonuclease XPF, DNA repair protein complementing XP-F cells, ERCC 11, ERCC 4, Excision repair complementing defective in Chinese hamster, Excision repair cross complementing rodent repair deficiency complementation group 4, FANCQ, XP, group G, XP6, XPF_HUMAN, Xeroderma pigmentosum VI, Xeroderma pigmentosum complementation group F, Xeroderma pigmentosum group F-complementing protein, excision repair cross-complementation group 4

4 Images
Western blot - Human ERCC4 knockout HeLa cell line (AB280068)
  • WB

Lab

Western blot - Human ERCC4 knockout HeLa cell line (AB280068)

False colour image of Western blot : Anti-XPF antibody staining at 1/2000 dilution shown in green; Mouse anti-GAPDH antibody [6C5] (ab8245) loading control staining at 1/20000 dilution shown in red. In Western blot ab76948 was shown to bind specifically to XPF. A band was observed at 105 kDa in wild-type HeLa cell lysates with no signal observed at this size in ercc4 knockout cell line ab280068 (knockout cell lysate ab280127). To generate this image wild-type and ercc4 knockout HeLa cell lysates were analysed. First samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 5% milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4°. Blots were washed four times in TBS-T incubated with secondary antibodies for 1 h at room temperature washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (ab216776) at 1/20000 dilution.

All lanes:

Western blot - Anti-XPF antibody (<a href='/en-us/products/primary-antibodies/xpf-antibody-ab76948'>ab76948</a>) at 1/2000 dilution

Lane 1:

Wild-type HeLa cell lysate at 20 µg

Lane 2:

ercc4 knockout HeLa cell lysate at 20 µg

Lane 2:

Western blot - Human ERCC4 knockout HeLa cell line (ab280068)

Lane 3:

HEK-293 cell lysate at 20 µg

Lane 4:

Caco-2 cell lysate at 20 µg

Predicted band size: 104 kDa

Observed band size: 105 kDa

false

Sanger Sequencing - Human ERCC4 knockout HeLa cell line (AB280068)
  • Sanger seq

Supplier Data

Sanger Sequencing - Human ERCC4 knockout HeLa cell line (AB280068)
Western blot - Human ERCC4 knockout HeLa cell line (AB280068)
  • WB

Supplier Data

Western blot - Human ERCC4 knockout HeLa cell line (AB280068)

False colour image of Western blot : Anti-ercc4 antibody staining at 1/1000 dilution, shown in green; Mouse anti-GAPDH antibody [6C5] (ab8245) loading control staining at 1/20000 dilution, shown in red. In Western blot, the antibody was shown to bind specifically to ercc4. A band was observed at 105 kDa in wild-type HeLa cell lysates with no signal observed at this size in ercc4 knockout cell line ab280068 (knockout cell lysate ab280127). To generate this image, wild-type and ercc4 knockout HeLa cell lysates were analysed. First, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 5% milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4°C. Blots were washed four times in TBS-T, incubated with secondary antibodies for 1 h at room temperature, washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (ab216776) at 1/20000 dilution.

All lanes:

Western blot - Human ERCC4 knockout HeLa cell line (ab280068)

false

Western blot - Human ERCC4 knockout HeLa cell line (AB280068)
  • WB

Lab

Western blot - Human ERCC4 knockout HeLa cell line (AB280068)

All lanes:

Western blot - Anti-XPF antibody (<a href='/en-us/products/primary-antibodies/xpf-antibody-ab227712'>ab227712</a>) at 1/500 dilution

Lane 1:

Wild-type HeLa cell lysate at 20 µg

Lane 2:

Western blot - Human ERCC4 knockout HeLa cell lysate (<a href='/en-us/products/cell-lysates/human-ercc4-knockout-hela-cell-lysate-ab280127'>ab280127</a>)

Lane 2:

Western blot - Human ERCC4 knockout HeLa cell line (ab280068)

Lane 2:

ercc4 knockout HeLa cell lysate at 20 µg

Lane 3:

HEK-293 cell lysate at 20 µg

Lane 4:

Caco-2 cell lysate at 20 µg

Secondary

All lanes:

Goat anti-Rabbit IgG H&L 800CW and Goat anti-Mouse IgG H&L 680RD at 1/20000 dilution

Observed band size: 110 kDa

false

Key facts

Cell type

HeLa

Species or organism

Human

Tissue

Cervix

Form

Liquid

form

Knockout validation

Sanger Sequencing,Western blot

Disease

Adenocarcinoma

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "WB": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Product details

Recommended control: Human wild-type HeLa cell line (ab275466). Please note a wild-type cell line is not automatically included with a knockout cell line order, if required please add recommended wild-type cell line at no additional cost using the code WILDTYPE-TMTK1.

We will provide viable cells that proliferate on revival.

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?

{ "values": { "1000000Cellsvial": { "sellingSize": "1000000 Cells/vial", "publicAssetCode":"ab280068-1000000Cells_vial", "assetComponentDetails": [ { "size":"1 x 1000000 Cells/vial", "name":"ab280068 Human ERCC4 knockout HeLa cell line", "number":"AB280068-CMP01", "productcode":"" } ] } } }

Properties and storage information

Gene name
ERCC4
Gene editing type
Knockout
Gene editing method
CRISPR technology
Knockout validation
Sanger Sequencing, Western blot
Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
-196°C
Appropriate long-term storage conditions
-196°C

Handling procedures

Initial handling guidelines

Upon arrival, the vial should be stored in liquid nitrogen vapor phase and not at -80°C. Storage at -80°C may result in loss of viability.

1. Thaw the vial in 37°C water bath for approximately 1-2 minutes.
2. Transfer the cell suspension (0.8 mL) to a 15 mL/50 mL conical sterile polypropylene centrifuge tube containing 8.4 mL pre-warmed culture medium, wash vial with an additional 0.8 mL culture medium (total volume 10 mL) to collect remaining cells, and centrifuge at 201 x g (rcf) for 5 minutes at room temperature. 10 mL represents minimum recommended dilution. 20 mL represents maximum recommended dilution.
3. Resuspend the cell pellet in 5 mL pre-warmed culture medium and count using a haemocytometer or alternative cell counting method seed all remaining cells into a T25.
4. Incubate the culture at 37°C incubator with 5% CO2. Check the culture one day after revival and continue to check until 80% confluent. Media change can be given if needed.
5. Once confluent passage into an appropriate flask at a density of 2x104 cells/cm2. Seeding density is given as a guide only and should be scaled to align with individual lab schedules. Cultures should be monitored daily.

Subculture guidelines
  • All seeding densities should be based on cell counts gained by established methods.
  • A guide seeding density of 2x104 cells/cm2 is recommended.
  • Cells should be passaged when they have achieved 80-90% confluence.
Culture medium

DMEM (High Glucose) + 10% FBS

Cryopreservation medium

Cell Freezing Medium-DMSO Serum free media, contains 8.7% DMSO in MEM supplemented with methyl cellulose.

Supplementary information

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

XPF also known as ERCC4 is a protein that plays a mechanical role in DNA repair by cleaving DNA at junctions between single-stranded and double-stranded DNA. It exhibits a molecular mass of approximately 103 kDa. This protein is expressed in various tissues with high levels found in the liver and kidney. XPF functions as a DNA endonuclease significantly influencing genomic stability through its activity in DNA repair processes.
Biological function summary

The XPF protein collaborates with ERCC1 to form a heterodimeric complex important for nucleotide excision repair (NER). This complex is essential in recognizing and repairing bulky DNA adducts therefore maintaining DNA integrity. The complex performs specific incisions near DNA damage sites removing lesions that frequently occur due to environmental factors like UV radiation and chemical pollutants.

Pathways

XPF functions within the NER and interstrand crosslink repair pathways. In these pathways the XPF-ERCC1 complex coordinates with other proteins like XPA and RPA to accurately excise damaged DNA segments and facilitate repair synthesis. These interactions are important for restoring normal DNA configuration and function after damage thereby preventing mutations and genomic instability.

Mutations in XPF are linked to xeroderma pigmentosum group F (XP-F) and the Cockayne syndrome. XP-F is a disorder characterized by extreme sensitivity to sunlight and an increased risk of skin cancer due to impaired DNA repair capability. In Cockayne syndrome patients experience growth defects and neurological degeneration. Both of these disorders involve dysfunctional DNA repair mechanisms where proteins like ERCC1 and others in the repair pathways fail to adequately compensate for the defective XPF function.

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

For this product, it's our understanding that no specific protocols are required. You can visit:

Product promise

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