Human IRS1 Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB39782

R&D Systems, part of Bio-Techne
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MAB39782
MAB39782-SP
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Key Product Details

Species Reactivity

Human

Applications

Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 614115

View all IRS1 Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human IRS1
Ala801-Ala1020 (predicted)
Accession # P35568

Specificity

Detects human IRS1 in direct ELISAs. In direct ELISAs, 100% cross-reactivity with recombinant mouse (rm) IRS1 (aa 898-1066) and no cross-reactivity with rmIRS1 (aa 13-113), rmIRS3, or recombinant human IRS2 is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for Human IRS1 Antibody

Detection of Human IRS1 antibody by Western Blot.

Detection of Human IRS1 by Western Blot.

Western blot shows lysates of HepG2 human hepatocellular carcinoma cell line. PVDF Membrane was probed with 1 µg/mL of Mouse Anti-Human IRS1 Monoclonal Antibody (Catalog # MAB39782) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for IRS1 at approximately 160 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Applications for Human IRS1 Antibody

Application
Recommended Usage

Western Blot

1 µg/mL
Sample: HepG2 human hepatocellular carcinoma cell line

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
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Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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: IRS1

Human IRS1 (insulin receptor substrate 1) is a 160-180 kDa substrate intermediate between the insulin and IGF-I receptor, and downstream signaling modulators.  Upon insulin/IGF-I receptor activation, IRS1 is tyrosine phosphorylated, allowing its association with PI-3 kinase and GRB2.  Human IRS1 is 1242 amino acids (aa) in length.  It contains a PH (pleckstrin homology) domain (aa 12-115), followed by a PTB (phosphotyrosine-binding) domain (aa 160-263) and ten PEST (Pro/Glu/Ser/Thr) regions (aa 340-1225).  IRS1 may be proteolytically cleaved at Arg656-Val657, generating a 90 kDa and 79 kDa fragment.  Over aa 801-1020, human IRS1 is 88%, 86% and 88% aa identical to dog, mouse and pig IRS1, respectively.  

Long Name

Insulin Receptor Substrate 1

Alternate Names

HIRS-1, insulin receptor substrate 1, IRS-1

Entrez Gene IDs

3667 (Human); 16367 (Mouse); 25467 (Rat)

Gene Symbol

IRS1

UniProt

P35568

Additional IRS1 Products

Product Documents for Human IRS1 Antibody

Product Datasheets

Certificate of Analysis

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

Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human IRS1 Antibody

For research use only

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