Phospho-Stat2 (Tyr690) (D3P2P) Rabbit mAb (PE Conjugate) #77366

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Supporting Data

REACTIVITY	H R
SENSITIVITY	Endogenous
MW (kDa)
Source/Isotype	Rabbit IgG

Application Key:

F-Flow Cytometry

Species Cross-Reactivity Key:

H-Human
R-Rat

Product Information

Product Description

This Cell Signaling Technology antibody is conjugated to phycoerythrin (PE) and tested in-house for direct flow cytometry analysis in human cells. This antibody is expected to exhibit the same species cross-reactivity as the unconjugated Phospho-Stat2 (D3P2P) Rabbit mAb #88410.

Product Usage Information

Application	Dilution
Flow Cytometry (Fixed/Permeabilized)	1:50

Storage

Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibody. Protect from light. Do not freeze.

Protocol

Specificity / Sensitivity

Phospho-Stat2 (D3P2P) Rabbit mAb (PE Conjugate) recognizes endogenous levels of Stat2 protein only when phosphorylated at Tyr690.

Species Reactivity:

Human, Rat

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic phospho-peptide corresponding to residues surrounding Tyr690 of human Stat2 protein.

Background

Stat2 (113 kDa), originally purified from the nuclei of alpha-interferon-treated cells, is critical to the transcriptional responses induced by type I interferons, IFN-alpha/beta (1,2). Knockout mice with a targeted disruption of Stat2 have higher susceptibility to viral infection and altered responses to type I interferons (3). Stat2 is rapidly activated by phosphorylation at Tyr690 in response to stimulation by IFN-alpha/beta via associations with receptor-bound Jak kinases (4). Unlike other Stat proteins, Stat2 does not form homodimers. Instead, activated Stat2 forms a heterodimer with Stat1 and translocates to the nucleus. There, it associates with the DNA-binding protein p48 and forms the transcriptional activator complex, interferon-stimulated gene factor 3 (ISGF3), promoting transcription from the ISRE (5).

Database Links

UniProt ID: P52630

Entrez-Gene Id: 6773

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For Research Use Only. Not For Use In Diagnostic Procedures.

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