Key Product Details

Species Reactivity

Human

Applications

Immunocytochemistry/ Immunofluorescence, Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 4F9

Concentration

1 mg/ml

View all ERp57/PDIA3 Antibodies »

Product Specifications

Immunogen

Human recombinant ERp57 (Grp58) protein corresponding to amino acids 25 - 505 (his-tagged)

Localization

Endoplasmic Reticulum , Endoplasmic Reticulum Lumen , Melanosome

Specificity

Detects approx 110kDa.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Theoretical MW

57 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 ERp57/PDIA3 Antibody (4F9)

Western Blot: ERp57/PDIA3 Antibody (4F9) [NBP2-59695]

Western Blot: ERp57/PDIA3 Antibody (4F9) [NBP2-59695]

Western Blot: ERp57/PDIA3 Antibody (4F9) [NBP2-59695] - Analysis of Human Cervical Cancer cell line (HeLa) showing detection of 57 kDa Erp57 protein using Mouse Anti-Erp57 Monoclonal Antibody, Clone 4F9 . Lane 1: Molecular Weight Ladder (MW). Lane 2: HeLa cell lysate. Load: 15 ug. Block: 5% Skim Milk in TBST. Primary Antibody: Mouse Anti-Erp57 Monoclonal Antibody at 1:1000 for 2 hours at RT. Secondary Antibody: Goat Anti-Mouse IgG: HRP at 1:1000 for 60 min at RT. Color Development: ECL solution for 5 min in RT. Predicted/Observed Size: 57 kDa.
Immunocytochemistry/ Immunofluorescence: ERp57/PDIA3 Antibody (4F9) [NBP2-59695]

Immunocytochemistry/ Immunofluorescence: ERp57/PDIA3 Antibody (4F9) [NBP2-59695]

Immunocytochemistry/Immunofluorescence: ERp57/PDIA3 Antibody (4F9) [NBP2-59695] - Analysis using Mouse Anti-ERp57 Monoclonal Antibody, Clone 4F9 . Tissue: HeLa Cells (Human Cervical Cancer). Species: Human. Fixation: 4% Formaldehyde for 15 min at RT. Primary Antibody: Mouse Anti-ERp57 Monoclonal Antibody at 1:100 for 60 min at RT. Secondary Antibody: Goat Anti-Mouse ATTO 488 at 1:200 for 60 min at RT. Counterstain: Phalloidin Texas Red F-Actin stain; DAPI (blue) nuclear stain at 1:1000, 1:5000 for 60 min at RT, 5 min at RT. Localization: Endoplasmic reticulum, Melanosome. Magnification: 60X. (A) DAPI (blue) nuclear stain (B) Phalloidin Texas Red F-Actin stain (C) ERp57 Antibody (D) Composite.

Applications for ERp57/PDIA3 Antibody (4F9)

Application
Recommended Usage

Immunocytochemistry/ Immunofluorescence

1:100

Western Blot

1:1000
Application Notes
A 1:1000 dilution of this antibody was sufficient for detection of ERp57 in 15 ug of HeLa by ECL immunoblot analysis using Goat Anti-Mouse IgG:HRP as the secondary Antibody.

Formulation, Preparation, and Storage

Purification

Protein G purified

Formulation

PBS (pH 7.4), 50% Glycerol

Preservative

0.09% 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

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.

Background: ERp57/PDIA3

ERp57, also known as Glucose Regulated Protein 58 (Grp58), Hormone-Induced Protein-70 (HIP-70) and microsomal Carnitine Palmitoyltransferase, is a member of the protein disulfide isomerase family, containing two canonical CXHC tetrapeptide active site motifs (1-5). It has quite a few diverse roles. It functions as an accessory oxidoreductase involved in disulfide bond formation. In the ER, ERp57 interacts with membrane bound calnexin and soluble calreticulin (lectin chaperones) via their praline rich P-domain arms. Lectin chaperones bind nascent non-native glycoproteins, and position ERp57 to act upon the immature or misfolded glycoproteins that possess mono-glycosylated side chains. ERp57 deletion impairs posttranslational phases of influenza hema-glutinin folding, and causes accelerated release of MHC-I molecules, resulting in the coupling of sub-optimal peptides and reduced expression and stability on the cell surface (6). ERp57 also contains two thioredoxin active-site sequences, CGHC and an estrogen-binding domain. ERp57 is induced by both estrogen and leuteinizing-hormone-releasing hormone in the hippocampus (7).

Long Name

Endoplasmic Reticulum Resident Protein 57

Alternate Names

ERp60, GRP58, PDIA3

Gene Symbol

PDIA3

Additional ERp57/PDIA3 Products

Product Documents for ERp57/PDIA3 Antibody (4F9)

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

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Product Specific Notices for ERp57/PDIA3 Antibody (4F9)

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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