Anti-GRP78/BIP/HSPA5 Antibody Picoband™

Product Name

Anti-GRP78/BIP/HSPA5 Antibody Picoband™

View all GRP78/HSPA5 Antibodies

SKU/Catalog Number

A00955

Size

100 µg/vial

Form

Lyophilized

Description

Boster Bio Anti-GRP78/BIP/HSPA5 Antibody Picoband™ catalog # A00955. Tested in ELISA, WB applications. This antibody reacts with Human, Mouse, Rat.

Storage & Handling

At -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freezing and thawing.

Cite This Product

Anti-GRP78/BIP/HSPA5 Antibody Picoband™ (Boster Biological Technology, Pleasanton CA, USA, Catalog # A00955)

Host

Rabbit

Contents

Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.

Clonality

Polyclonal

Isotype

Rabbit IgG

Immunogen

E.coli-derived human GRP78/BIP/HSPA5 recombinant protein (Position: D78-S607).

*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.

Cross-reactivity

No cross-reactivity with other proteins.

Reactive Species

A00955 is reactive to HSPA5 in Human, Mouse, Rat

Applications

A00955 is guaranteed for ELISA, WB Boster Guarantee

Observed Molecular Weight

78 kDa

Calculated molecular weight

72.333kDa

Background of GRP78/HSPA5

HSPA5 (heat shock 70kDa protein 5), also known as glucose-regulated protein, 78kD (GRP78) or BiP, is a member of the heat-shock protein-70 (HSP70) family and is involved in the folding and assembly of proteins in the endoplasmic reticulum. BiP is also an essential component of the translocation machinery, as well as playing a role in retrograde transport across the ER membrane of aberrant proteins destined for degradation by the proteasome. The HSPA5 gene is mapped on 9q33.3. Shen et al. (2002) concluded that HSPA5 retains ATF6 in the ER by inhibiting its Golgi localization signals and that dissociation of HSPA5 during ER stress allows ATF6 to be transported to the Golgi. The findings of Shen et al. (2002) demonstrated that HSPA5 is a key element in sensing the folding capacity within the ER.

Antibody Validation

Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.

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Reconsitution

Adding 0.2 ml of distilled water will yield a concentration of 500 µg/ml.

Assay Dilutions Recommendation

The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.

Western blot, 0.1-0.25 µg/ml, Human, Mouse, Rat
Direct ELISA, 0.1-0.5 µg/ml, Human

Validation Images & Assay Conditions

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Figure 1. Western blot analysis of GRP78/BIP/HSPA5 using anti-GRP78/BIP/HSPA5 antibody (A00955).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.
Lane 1: human placenta tissue lysates,
Lane 2: human U-87MG whole cell lysates,
Lane 3: human HepG2 whole cell lysates,
Lane 4: human T-47D whole cell lysates,
Lane 5: rat liver tissue lysates,
Lane 6: rat brain tissue lysates,
Lane 7: mouse liver tissue lysates,
Lane 8: mouse brain tissue lysates.
After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-GRP78/BIP/HSPA5 antigen affinity purified polyclonal antibody (Catalog # A00955) at 0.25 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for GRP78/BIP/HSPA5 at approximately 78 kDa. The expected band size for GRP78/BIP/HSPA5 is at 78 kDa.

Gene/Protein Information For HSPA5 (Source: Uniprot.org, NCBI)

Alternative 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 HSPA5 BIP, GRP78, HEL-S-89n heat shock protein family A (Hsp70) member 5 endoplasmic reticulum chaperone BiP|78 kDa glucose-regulated protein|HSP70 family protein 5|binding-immunoglobulin protein|endoplasmic reticulum lumenal Ca(2+)-binding protein grp78|epididymis secretory sperm binding protein Li 89n|glucose-regulated protein, 78kDa|heat shock 70kDa protein 5 (glucose-regulated protein, 78kDa)|heat shock protein 70 family protein 5|heat shock protein family A member 5|immunoglobulin heavy chain-binding protein

For more info on HSPA5, check out the HSPA5 Infographic

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