Human IRS2 Antibody

Catalog # Availability Size / Price Qty
MAB6347
MAB6347-SP
Detection of Human IRS2 by Western Blot.
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Product Details
Citations (2)
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Human IRS2 Antibody Summary

Species Reactivity
Human
Specificity
Detects human IRS2 in direct ELISAs and Western blots. In Western blots, no cross-reactivity with recombinant human IRS1 or recombinant mouse IRS3 is observed.
Source
Monoclonal Mouse IgG2A Clone # 676415
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
E. coli-derived recombinant human IRS2
Pro1035-Ile1136
Accession # Q9Y4H2
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS and NaN3 with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
1 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.

Scientific Data

Western Blot Detection of Human IRS2 antibody by Western Blot. View Larger

Detection of Human IRS2 by Western Blot. Western blot shows lysates of SH-SY5Y human neuroblastoma cell line. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human IRS2 Monoclonal Antibody (Catalog # MAB6347) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for IRS2 at approximately 180 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Sterile PBS to a final concentration of 0.5 mg/mL.
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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: IRS2

IRS2 (insulin receptor substrate 2) is a 180-190 kDa substrate intermediate that lies between various cytokine receptors and downstream signaling molecules.  It is the primary IRS protein found in hematopoietic cells.  Depending upon the receptor, IRS2 undergoes phosphorylation, either via Tyk2 following type I IFN binding, or via JAK1 and 3 following IL-4, -7 and -15 binding.  This event allows for its subsequent association with PI-3 kinase.  Human IRS2 is 1338 amino acids (aa) in length with a predicted MW of 138 kDa.  It contains one PH (pleckstrin homology) domain (aa 16-144), followed by a PTB (phosphotyrosine-binding)domain (aa 194-298) and seven YxxM (Tyr/x/x/Met) motifs (aa 540-1075).  IRS2 is phosphorylated on multiple Ser and Tyr residues.  There are two potential splice variants. One shows a 16 aa substitution for the C-terminal Glu, while another shows an 11 aa substitution for aa 1314-1338.  Over aa 1035-1136, human IRS2 shares 86% aa identity with mouse IRS2. 

Long Name
Insulin Receptor Substrate 2
Entrez Gene IDs
8660 (Human); 384783 (Mouse); 29376 (Rat)
Alternate Names
insulin receptor substrate 2; IRS2; IRS-2

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Citations for Human IRS2 Antibody

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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  1. Mechanistic insights into COVID-19 by global analysis of the SARS-CoV-2 3CLpro substrate degradome
    Authors: I Pablos, Y Machado, HCR de Jesus, Y Mohamud, R Kappelhoff, C Lindskog, M Vlok, PA Bell, GS Butler, PM Grin, QT Cao, JP Nguyen, N Solis, S Abbina, W Rut, JC Vederas, L Szekely, A Szakos, M Drag, JN Kizhakkeda, K Mossman, JA Hirota, E Jan, H Luo, A Banerjee, CM Overall
    Cell Reports, 2021-10-09;37(4):109892.
  2. Mechanistic insights into COVID-19 by global analysis of the SARS-CoV-2 3CLpro substrate degradome
    Authors: I Pablos, Y Machado, HCR de Jesus, Y Mohamud, R Kappelhoff, C Lindskog, M Vlok, PA Bell, GS Butler, PM Grin, QT Cao, JP Nguyen, N Solis, S Abbina, W Rut, JC Vederas, L Szekely, A Szakos, M Drag, JN Kizhakkeda, K Mossman, JA Hirota, E Jan, H Luo, A Banerjee, CM Overall
    Cell Reports, 2021-10-09;37(4):109892.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot

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