Human Phospho-IRS1 (S616) Alexa Fluor® 647-conjugated Antibody

Catalog #: FAB39783R Datasheet / COA / SDS

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FAB39783R-100UG

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Human Phospho-IRS1 (S616) Alexa Fluor® 647-conjugated Antibody Summary

Species Reactivity

Human

Specificity

Detects human IRS1 when phosphorylated at S616.

Source

Monoclonal Mouse IgG2a Clone # 738710

Purification

Protein A or G purified

Immunogen

Phosphopeptide containing the human IRS1 S616 site
Accession # P35568

Formulation

Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide

Label

Alexa Fluor 647 (Excitation= 650 nm, Emission= 668 nm)

Applications

Recommended Concentration

Sample

Western Blot

Optimal dilution of this antibody should be experimentally determined.

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.

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Preparation and Storage

Shipping

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

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: IRS1

Human IRS1 (insulin receptor substrate 1) is a 150-180 kDa substrate that transmits signals from the insulin and IGF-I receptor to downstream signaling modulators. The 1242 amino acid (aa) human IRS1 contains a PH domain (aa 12-115), a PTB domain (aa 160-263) and ten PEST sequences (aa 340-1225). IRS1 may be proteolytically cleaved at Arg656-Val657, generating a 90 kDa and 79 kDa fragment. Upon insulin/IGF-I receptor activation, IRS1 is tyrosine phosphorylated, allowing its association with PI-3 kinase and GRB2. When PI-3 kinase and ERK1/2 are activated, insulin or angiotensin II can also stimulate phosphorylation on Ser616. The aa sequence surrounding pSer616 is identical between human, mouse and rat IRS-1.

Long Name

Insulin Receptor Substrate 1

Entrez Gene IDs

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

Alternate Names

HIRS-1; insulin receptor substrate 1; IRS1; IRS-1