GRP78/HSPA5 Antibody - BSA Free

Novus Biologicals, part of Bio-Techne | Catalog # NB300-520

Novus Biologicals, part of Bio-Techne

Key Product Details

Species Reactivity

Validated:

Human, Mouse, Rat, Primate (Negative)

Cited:

Human, Mouse, Rat

Applications

Validated:

Immunocytochemistry/ Immunofluorescence, Immunohistochemistry, Immunohistochemistry-Paraffin, Simple Western, Western Blot

Cited:

IF/IHC, Immunocytochemistry/ Immunofluorescence, Immunohistochemistry-Paraffin, Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Rabbit IgG

Format

BSA Free

Concentration

1 mg/ml

View all GRP78/HSPA5 Antibodies »

Product Specifications

Immunogen

A synthetic peptide made to a C-terminal portion of rat GRP78 (within residues 600-654).

Reactivity Notes

Use in Rat reported in scientific literature (PMID:34519641). Human reactivity reported in scientific literature (PMID: 26865610). Does not cross-react with African Green Monkey (COS cells). Mouse reactivity reported in scientific literature (PMID:32973043).

Marker

ER Stress Marker

Clonality

Polyclonal

Host

Rabbit

Isotype

IgG

Theoretical MW

78 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Scientific Data Images for GRP78/HSPA5 Antibody - BSA Free

Western Blot: GRP78/HSPA5 AntibodyBSA Free [NB300-520]

Western Blot: GRP78/HSPA5 AntibodyBSA Free [NB300-520]

Western Blot: GRP78/HSPA5 Antibody [NB300-520] - GRP78 on indicated cell extracts using NB300-520.
Immunocytochemistry/ Immunofluorescence: GRP78/HSPA5 Antibody - BSA Free [NB300-520]

Immunocytochemistry/ Immunofluorescence: GRP78/HSPA5 Antibody - BSA Free [NB300-520]

Immunocytochemistry/Immunofluorescence: GRP78/HSPA5 Antibody [NB300-520] - GRP78/BIP antibody was tested in HeLa cells with DyLight 488 (green). Nuclei and alpha-tubulin were counterstained with DAPI (blue) and DyLight 550 (red).
Simple Western: GRP78/HSPA5 AntibodyBSA Free [NB300-520]

Simple Western: GRP78/HSPA5 AntibodyBSA Free [NB300-520]

Simple Western: GRP78/HSPA5 Antibody [NB300-520] - Lane view shows a specific band for GRP78 in 1.0 mg/ml of HeLa lysate. This experiment was performed under reducing conditions using the 12-230kDa separation system.

Applications for GRP78/HSPA5 Antibody - BSA Free

Application
Recommended Usage

Immunocytochemistry/ Immunofluorescence

1:20

Simple Western

1:25

Western Blot

2 ug/ml
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Immunogen affinity purified

Formulation

PBS and 30% Glycerol

Format

BSA Free

Preservative

0.05% Sodium Azide

Concentration

1 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Aliquot and store at -20C or -80C. Avoid freeze-thaw cycles.

Background: GRP78/HSPA5

Within the ER misfolded proteins are detected by Bip(GPR78). In the presence of misfolded proteins, Bip disscociates from PERK, allowing it to homodimerize and autophosphoyate. In its dimerized, phosphorylated form PERK phosphorylates eIF2. The phosphorylation of eIF2 blocks the majority of translation to prevent the continued accumulation of protein in the ER. Bip also is binds to IRE1 and ATF6 under normal ER conditions, but dissociates upon accumulation of misfolded proteins. Unbound ATF6 is translocated to the gogli where it is converted into a cleaved, active form. The cleaved form of ATF6 is then able to up regulated transcription of UPR genes including XBP1. Activated IRE1 acts as an endoribonuclease to an intron from XBP1 transcripts. The XBP1 splice variant codes for an active transcription factor which activates transcription of P58IPK. P58IPK is a HSP40 protein which binds to and inhibits PERK. Thus, if the accumulated, misfolded proteins have been removed, P58IPK acts to shut down the UPR by removing the block to translation.

Long Name

75 KD Glucose Regulated Protein

Alternate Names

BIP, HSP70-5, HSPA5

Entrez Gene IDs

3309 (Human); 14828 (Mouse); 25617 (Rat)

Gene Symbol

HSPA5

Additional GRP78/HSPA5 Products

Product Documents for GRP78/HSPA5 Antibody - BSA Free

Product Datasheets

Certificate of Analysis

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Product Specific Notices for GRP78/HSPA5 Antibody - BSA Free

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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