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AB266313

Human HSP90B1 (GRP94) knockout HEK-293T cell line

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HSP90B1 KO cell line available to order. KO validated by Western blot. Free of charge wild type control provided. Knockout achieved by using CRISPR/Cas9, Homozygous: 10 bp deletion in exon 1.

View Alternative Names

94 kDa glucose-regulated protein, ECGP, ENPL_HUMAN, Endoplasmin, Endothelial cell (HBMEC) glycoprotein, Glucose regulated protein 94kDa, HSP90B1, Heat shock protein 90 kDa beta member 1, Heat shock protein, 90 kDa, beta, 1, Stress inducible tumor rejection antigen GP96, TRA1, Tumor rejection antigen 1, Tumor rejection antigen gp96, Tumor rejection antigen-1 (gp96), gp96, gp96 homolog, heat shock protein 90kDa beta (Grp94), member 1, tumor rejection antigen (gp96) 1

3 Images
Western blot - Human HSP90B1 (GRP94) knockout HEK-293T cell line (AB266313)
  • WB

Lab

Western blot - Human HSP90B1 (GRP94) knockout HEK-293T cell line (AB266313)

Lanes 1-3 : Merged signal (red and green). Green - ab108606 observed at 94 kDa. Red - loading control ab8245 observed at 36 kDa.

ab108606 Anti-GRP94 antibody [EPR3988] was shown to specifically react with GRP94 in wild-type HEK293T cells. Loss of signal was observed when knockout cell line ab266313 (knockout cell lysate ab257254) was used. Wild-type and GRP94 knockout samples were subjected to SDS-PAGE. ab108606 and Anti-GAPDH antibody [6C5] - Loading Control (ab8245) were incubated overnight at 4° 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-GRP94 antibody [EPR3988] (<a href='/en-us/products/primary-antibodies/grp94-antibody-epr3988-ab108606'>ab108606</a>) at 1/1000 dilution

Lane 1:

Wild-type HEK293T cell lysate at 20 µg

Lane 2:

HSP90B1 knockout HEK293T cell lysate at 20 µg

Lane 2:

Western blot - Human HSP90B1 (GRP94) knockout HEK-293T cell line (ab266313)

Lane 3:

HeLa cell lysate at 20 µg

Secondary

All lanes:

Western blot - Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-irdye-800cw-preadsorbed-ab216773'>ab216773</a>) at 1/10000 dilution

Predicted band size: 92 kDa

Observed band size: 94 kDa

false

Western blot - Human HSP90B1 (GRP94) knockout HEK-293T cell line (AB266313)
  • WB

Lab

Western blot - Human HSP90B1 (GRP94) knockout HEK-293T cell line (AB266313)

Lanes 1-3 : Merged signal (red and green). Green - ab238126 observed at 94 kDa. Red - loading control ab8245 observed at 37 kDa.

ab238126 Anti-GRP94 antibody [EPR22847-50] was shown to specifically react with GRP94 in wild-type HEK293T cells. Loss of signal was observed when knockout cell line ab266313 (knockout cell lysate ab257254) was used. Wild-type and GRP94 knockout samples were subjected to SDS-PAGE. ab238126 and Anti-GAPDH antibody [6C5] - Loading Control (ab8245) were incubated overnight at 4° 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 10000 dilution for 1 hour at room temperature before imaging.

All lanes:

Western blot - Anti-GRP94 antibody [EPR22847-50] (<a href='/en-us/products/primary-antibodies/grp94-antibody-epr22847-50-ab238126'>ab238126</a>) at 1/1000 dilution

Lane 1:

Wild-type HEK293T cell lysate at 20 µg

Lane 2:

HSP90B1 knockout HEK293T cell lysate at 20 µg

Lane 2:

Western blot - Human HSP90B1 (GRP94) knockout HEK-293T cell line (ab266313)

Lane 3:

HeLa cell lysate at 20 µg

Predicted band size: 92 kDa

Observed band size: 94 kDa

false

Sanger Sequencing - Human HSP90B1 (GRP94) knockout HEK-293T cell line (AB266313)
  • Sanger seq

Unknown

Sanger Sequencing - Human HSP90B1 (GRP94) knockout HEK-293T cell line (AB266313)

Homozygous : 10 bp deletion in exon 1

Key facts

Cell type

HEK-293T

Species or organism

Human

Tissue

Kidney

Form

Liquid

form

Knockout validation

Sanger Sequencing,Western blot

Mutation description

Knockout achieved by using CRISPR/Cas9, Homozygous: 10 bp deletion in exon 1

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 HEK293T cell line (ab255449). 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?

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Properties and storage information

Gene name
HSP90B1
Gene editing type
Knockout
Gene editing method
CRISPR technology
Knockout validation
Sanger Sequencing, Western blot
Zygosity
Homozygous
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.

GRP94 also known as HSP90b1 is a glycoprotein that belongs to the heat shock protein 90 family. It has a molecular mass of approximately 94 kDa. GRP94 is expressed mainly in the endoplasmic reticulum and appears in high levels in cells undergoing stress. This protein acts as a chaperone assisting in the proper folding and assembly of other proteins playing an essential role in protein homeostasis. GRP94 ensures the quality control of proteins by preventing misfolding and aggregation.
Biological function summary

GRP94 influences the stability of many secretory and cell-surface proteins. It forms part of a multi-protein complex that stabilizes client proteins and assists their proper folding. GRP94 is essential for the maturation of proteins involved in the immune response including immunoglobulins and integrins. Overexpression of GRP94 has been noted in various cancers where it supports the folding of proteins required for tumor growth and survival.

Pathways

GRP94 is an important element of the protein folding quality control mechanism within the endoplasmic reticulum. It functions in coordination with other chaperones like BiP and calnexin within the unfolded protein response (UPR) pathway. The UPR pathway is essential during stress conditions where increased protein synthesis occurs. GRP94 also contributes to calcium homeostasis and directly interacts with proteins like integrins affecting cell adhesion and motility.

GRP94 has been implicated in the progression of cancer and neurodegenerative diseases. Overexpression of GRP94 is often linked to cancer where it stabilizes oncogenic proteins necessary for cancer cell survival. In neurodegenerative disorders GRP94 shows altered expression levels which may influence the pathogenesis of diseases like Alzheimer's. The interaction between GRP94 and other proteins such as tau protein in Alzheimer's highlights its potential role in disease mechanisms.

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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