gp96/HSP90B1/GRP94 Antibody (HSP90B1/3168R) [Janelia Fluor® 549]

Novus Biologicals, part of Bio-Techne | Catalog # NBP3-08763JF549

Recombinant Monoclonal Antibody
Novus Biologicals, part of Bio-Techne
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Key Product Details

Species Reactivity

Human, Mouse, Rat, Porcine, Bovine, Canine, Chicken, Equine, Guinea Pig, Hamster, Monkey, Rabbit, Sheep, Xenopus

Applications

Flow Cytometry, Immunohistochemistry-Paraffin

Label

Janelia Fluor 549

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # HSP90B1/3168R

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

View all gp96/HSP90B1 Antibodies »

Product Specifications

Immunogen

Recombinant full-length human gp96/HSP90B1/GRP94 protein (Uniprot: P14625)

Localization

Cytoplasmic and nuclear

Specificity

Recognizes a protein of 94kDa, which is identified as the glucose-regulated protein 94 (grp94) and also tumor rejection antigen (gp96). Grp94 shows a high degree of sequence homology with the heat shock protein 90 (hsp90). This monoclonal antibody is highly specific to grp94 and shows minimal cross-reaction with other members of the HSP90 family. Grps are a class of proteins unresponsive to heat shock and are induced by glucose deprivation. Grp94 has been briefly studied as a prognostic factor in breast cancer.

Marker

Endoplasmic Reticulum Marker

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Applications for gp96/HSP90B1/GRP94 Antibody (HSP90B1/3168R) [Janelia Fluor® 549]

Application
Recommended Usage

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry-Paraffin

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

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

Stability & Storage

Store at 4C in the dark.

Background: gp96/HSP90B1

Glucose-regulated protein 94, also known as Grp94 or gp96, is an abundant resident endoplasmic reticulum (ER) lumenal stress protein which together with cytosolic Hsp90 belongs to the Hsp90 family of molecular chaperones. Grp94 and other resident soluble proteins of the ER such as members of the Ca(2+) binding protein subfamily (CaBP), CaBPI and CaBP2 as well as calreticulin, possess the COOH-terminal tetrapeptide Lys-Asp-Glu-Leu (KDEL) which is a sorting signal that is thought to lead to the retention of these proteins in the pre-Golgi compartments (1). Grp94 expression is upregulated by stress conditions such as lucose starvation and heat shock, which promote protein misfolding or unfolding (2). In addition to a homeostatic role in protein folding and assembly, Grp94 can function in the intracellular trafficking of peptides from the extracellular space to the MHC class I antigen processing pathway of antigen presentation cells (3,4). Grp94 and Hsp90 share high sequence identity and presumably identical adenosine nucleotide-dependent modes of regulation. Earlier data suggests that Hsp90 and Grp94 may differ in their nucleotide binding properties. The N-terminal domain of eukaryotic Hsp90 proteins contains a conserved adenosine nucleotide binding pocket which also serves as the inding site for the Hsp90 inhibitors geldanamycin and radicicol. However, the molecular basis for adenosine nucleotide-dependent regulation of Grp94remains to be established. Recent data has entified a ligand dependent regulation of Grp94 function and suggest a model whereby Grp94 function is regulated through a ligand-dependent conversion of Grp94 from an inactive to an active conformation (5, 6).

Long Name

Heat Shock Protein 90 beta 1

Alternate Names

ECGP, Endoplasmin, Grp94, HSP90B1

Gene Symbol

HSP90B1

Additional gp96/HSP90B1 Products

Product Documents for gp96/HSP90B1/GRP94 Antibody (HSP90B1/3168R) [Janelia Fluor® 549]

Product Datasheets

Certificate of Analysis

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Product Specific Notices for gp96/HSP90B1/GRP94 Antibody (HSP90B1/3168R) [Janelia Fluor® 549]



Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus.

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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