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Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb
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Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb

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品牌: CST
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分子量:
84, 91
反应种属:
Human,Mouse,Rat,
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产品介绍
产品介绍
产品信息
荧光素标记
抗原名称
Stat1
来源纯化

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Tyr701 of human Stat1 protein.

宿主
Rabbit
商品描述

Product Usage Information

For optimal ChIP and ChIP-seq results, use 5 μl of antibody and 10 μg of chromatin (approximately 4 x 106 cells) per IP.This antibody has been validated using SimpleChIP® Enzymatic Chromatin IP Kits.

ApplicationDilution
Western Blotting1:1000
Immunoprecipitation1:50
Immunofluorescence (Immunocytochemistry)1:50
Flow Cytometry (Fixed/Permeabilized)1:50 - 1:200
Chromatin IP1:100
Chromatin IP-seq1:100
同种型
Rabbit IgG
分子量
84, 91
内毒素水平
研究领域
免疫学和肿瘤学,神经科学,
应用
反应种属
Human,Mouse,Rat,
预测反应种属
Monkey
目标/特异性

Specificity/Sensitivity

Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb recognizes endogenous levels of Stat1 protein only when phosphorylated at Tyr701.

Species Reactivity:

Human, Mouse, Rat

敏感性
Endogenous
背景
背景
The Stat1 transcription factor is activated in response to a large number of ligands (1) and is essential for responsiveness to IFN-α and IFN-γ (2,3). Phosphorylation of Stat1 at Tyr701 induces Stat1 dimerization, nuclear translocation, and DNA binding (4). Stat1 protein exists as a pair of isoforms, Stat1α (91 kDa) and the splice variant Stat1β (84 kDa). In most cells, both isoforms are activated by IFN-α, but only Stat1α is activated by IFN-γ. The inappropriate activation of Stat1 occurs in many tumors (5). In addition to tyrosine phosphorylation, Stat1 is also phosphorylated at Ser727 through a p38 mitogen-activated protein kinase (MAPK)-dependent pathway in response to IFN-α and other cellular stresses (6). Serine phosphorylation may be required for the maximal induction of Stat1-mediated gene activation. 1.Heim, M.H. (1999) J Recept Signal Transduct Res 19, 75-120. 2.Durbin, J.E. et al. (1996) Cell 84, 443-50. 3.Meraz, M.A. et al. (1996) Cell 84, 431-42. 4.Ihle, J.N. et al. (1994) Trends Biochem Sci 19, 222-7. 5.Frank, D.A. (1999) Mol Med 5, 432-56. 6.Wen, Z. et al. (1995) Cell 82, 241-50.
研究领域
免疫学和肿瘤学,神经科学,
翻译后修饰
phosphate
制备和贮存
保存方式

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

For a carrier free (BSA and azide free) version of this product see product #88211.

数据库链接
Entrez-Gene ID
6772
UniProt ID
P42224

参考图片

Chromatin immunoprecipitations were performed with cross-linked chromatin from HT-1080 cells treated with IFN-γ (50 ng/ml) for 30 minutes and either Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb or Normal Rabbit IgG #2729 using SimpleChIP® Enzymatic Chromatin IP Kit (Magnetic Beads) #9003. The enriched DNA was quantified by real-time PCR using human IRF-1 promoter primers, SimpleChIP® Human TAP1 Promoter Primers #5148, and SimpleChIP® Human α Satellite Repeat Primers #4486. The amount of immunoprecipitated DNA in each sample is represented as signal relative to the total amount of input chromatin, which is equivalent to one.

Western blot analysis of extracts from HeLa, A20, and PC-12 cells, untreated or treated with Human Interferon-α1 (hIFN-α1) #8927 (10 ng/ml, 30 min), using Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb (upper) or Stat1 Antibody #9172 (lower).

Confocal immunofluorescent analysis of HeLa cells, untreated (left) or treated with hIFN-α1 #8927 (100 ng/mL, 30 min; right), using Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb (green) and β-Tubulin (9F3) Rabbit mAb (Alexa Fluor® 555 Conjugate) #2116 (red).

Flow cytometric analysis of Jurkat cells, untreated (blue) or treated with hIFN-α1 #8927 (green), using Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb.

Chromatin immunoprecipitations were performed with cross-linked chromatin from HT-1080 cells treated with IFN-γ (50 ng/ml) for 30 minutes and Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb, using SimpleChIP® Enzymatic Chromatin IP Kit (Magnetic Beads) #9003. DNA Libraries were prepared using DNA Library Prep Kit for Illumina® (ChIP-seq, CUT&RUN) #56795. The figure shows binding across IRF-1, a known target gene of Phospho-Stat1 (see additional figure containing ChIP-qPCR data). For additional ChIP-seq tracks, please download the product datasheet.

Chromatin immunoprecipitations were performed with cross-linked chromatin from 4 x 106 HT-1080 cells treated with IFN-γ (50 ng/ml) for 30 minutes and 5 μl of Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb, using SimpleChIP® Enzymatic Chromatin IP Kit (Magnetic Beads) #9003. DNA Libraries were prepared using DNA Library Prep Kit for Illumina® (ChIP-seq, CUT&RUN) #56795. The figure shows binding across chromosome 5 (upper), including IRF1 (lower), a known target gene of Phospho-Stat1 (see additional figure containing ChIP-qPCR data).

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货号:
7649S
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