Human GRP78/HSPA5 Antibody

(2 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects endogenous human GRP78 at 78 kDa in Western blots.
  • Source
    Monoclonal Mouse IgG2B Clone # 474421
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    E. coli-derived recombinant human GRP78
    Met1-Leu654
    Accession # P11021
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
  • Simple Western
    10 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Human GRP78/HSPA5 by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line, Jurkat human acute T cell leukemia cell line, and MCF‑7 human breast cancer cell line. PVDF membrane was probed with 1 µg/mL of Human GRP78/HSPA5 Monoclonal Antibody (Catalog # MAB4846) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for GRP78/HSPA5 at approximately 78 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.
Detection of Human GRP78/HSPA5 by Simple WesternTM.

Simple Western lane view shows lysates of Jurkat human acute T cell leukemia cell line, loaded at 0.2 mg/mL. A specific band was detected for GRP78/HSPA5 at approximately 72 kDa (as indicated) using 10 µg/mL of Mouse Anti-Human GRP78/HSPA5 Monoclonal Antibody (Catalog # MAB4846). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

*Non-specific interaction with the 230 kDa Simple Western standard may be seen with this antibody.

Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: GRP78/HSPA5

GRP78 (Glucose-regulated protein 78 kDa; also BiP and HSPA5) is a 72 kDa member of the heat shock protein 70 family of proteins. Intracellularly, GRP78 is an endoplasmic reticulum chaperone that participates in protein folding; extracellularly, it induces IL-10 production from T cells and interacts with Cripto to block TGF-beta signaling. Human GRP78 precursor is 654 amino acids (aa) in length. It contains an 18 aa signal sequence and a 636 aa mature region that shows a hydantoinase A region (aa 145‑245) and a C-terminal KDEL motif that is present on intracellular GRP78, but absent on secreted GRP78. There is alternative splicing in the signal sequence (aa 1‑10), and multiple single aa substitituion. Over aa 1‑654, human GRP78 is more than 97% aa identical to mouse and rat GRP78.

  • Long Name:
    75 KD Glucose Regulated Protein
  • Entrez Gene IDs:
    3309 (Human); 14828 (Mouse); 25617 (Rat)
  • Alternate Names:
    78 kDa glucose-regulated protein; BIP; Endoplasmic reticulum lumenal Ca(2+)-binding protein grp78; FLJ26106; GRP78; GRP-78; GRP78BIP; Heat shock 70 kDa protein 5; heat shock 70kD protein 5 (glucose-regulated protein, 78kD); heat shock 70kDa protein 5 (glucose-regulated protein, 78kDa); HSP70-5; HSPA5; Immunoglobulin heavy chain-binding protein; MIF2
Related Research Areas
Citations:

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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Species
Applications
Sample Type
  1. WWOX sensitises ovarian cancer cells to paclitaxel via modulation of the ER stress response
    Authors: S Janczar, J Nautiyal, Y Xiao, E Curry, M Sun, E Zanini, AJ Paige, H Gabra
    Cell Death Dis, 2017;8(7):e2955.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
  2. The endoplasmic reticulum chaperone BiP/GRP78 is important in the structure and function of the human cytomegalovirus assembly compartment.
    Authors: Buchkovich NJ, Maguire TG, Paton AW, Paton JC, Alwine JC
    J. Virol., 2009;83(22):11421-8.
    Species: Human
    Sample Type: Whole Cells
    Application: ICC
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG2B Isotype Control

Ctrl MAB004 32  
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Mouse IgG2B Isotype Control

Ctrl MAB0041 7  
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Mouse IgG2B Isotype Control

Ctrl MAB0042 6
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Secondary Antibodies
Description Application Cat# Citations Images  

Mouse IgG HRP-conjugated Antibody

WB HAF007 26  
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Mouse F(ab)2 IgG (H+L) PE-conjugated Antibody

Flow F0102B 10  
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Donkey Anti-Mouse IgG NorthernLights™ NL557-conjugate Antibody

Flow, IHC, ICC NL007 9
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Donkey Anti-Mouse IgG Biotinylated Antibody

WB BAF018 1
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Mouse IgG HRP-conjugated Antibody

WB HAF018 9  
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Donkey Anti-Mouse IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL008 8
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Mouse F(ab)2 IgG (H+L) APC-conjugated Antibody

Flow F0101B 2  
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Donkey Anti-Mouse IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL009 5
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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse IgG Antibody

WB AF007 4
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Rat Anti-Mouse IgG2B APC-conjugated Antibody

Flow F0133 1  
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Mouse IgG VisUCyte HRP Polymer Antibody

IHC VC001  
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Goat Anti-Mouse IgG Fc Affinity Purified Polyclonal Ab

G-202-C 2
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Mouse F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0114  
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Rat Anti-Mouse IgG2B PE-conjugated Antibody

Flow F0132  
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Rat Anti-Mouse IgG2B Fluorescein-conjugated Antibody

Flow F0134 1
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Mouse IgG2B Antibody

Flow MAB0043  
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