磷酸化活化復(fù)制因子2抗體 返回列表頁

英文名稱 phospho-ATF2(Ser472)
中文名稱 磷酸化活化復(fù)制因子2抗體
別    名 ATF2 (phospho Ser472); ATF2 (phospho S472); p-ATF2 (S472); p-ATF2 (Ser472); CREB 2; HB 16;Activating Transcription Factor 2; ATF 2; Atf-2; ATF2 protein; cAMP Response Element Binding Protein 2; cAMP response element binding protein CRE BP1; cAMP-dependent transcription factor ATF-2; cAMP-responsive element-binding protein 2; CRE BP1; CRE-BP; CREB 2; CREB2; CREBP1; Cyclic AMP dependent transcription factor ATF 2; Cyclic AMP-responsive; ATF2_HUMAN.
磷酸化活化復(fù)制因子2抗體

說 明 書 0.1ml  
產(chǎn)品類型 磷酸化抗體 
研究領(lǐng)域 腫瘤  免疫學(xué)  信號轉(zhuǎn)導(dǎo)  細胞凋亡  轉(zhuǎn)錄調(diào)節(jié)因子  激酶和磷酸酶  
抗體來源 Rabbit
克隆類型 Polyclonal
交叉反應(yīng) Human, Mouse, Rat, Dog, Cow, 
產(chǎn)品應(yīng)用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500 （石蠟切片需做抗原修復(fù)）
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
分 子 量 55kDa
細胞定位 細胞核 
性    狀 Lyophilized or Liquid
濃    度 1mg/1ml
免 疫 原 KLH conjugated Synthesised phosphopeptide derived from human ATF2 around the phosphorylation site of Ser472
亞    型 IgG
純化方法 affinity purified by Protein A
儲 存 液 0.01M PBS, pH 7.4 with 10 mg/ml BSA and 0.1% Sodium azide
保存條件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.

產(chǎn)品介紹 background:
ATF2 is a member of the ATF/CREB family of basic region leucine zipper DNA binding proteins that regulates transcription by binding to a consensus cAMP response element (CRE) in the promoter of various viral and cellular genes. Many of these genes are important in cell growth and differentiation, and in stress and immune responses. ATF2 is a nuclear protein that binds DNA as a dimer and can form dimers with members of the ATF/CREB and Jun/Fos families. It is a stronger activator as a heterodimer with cJun than as a homodimer. Several isoforms of ATF2 arise by differential splicing. The stable native full length ATF2 is transcriptionally inactive as a result of an inhibitory direct intramolecular interaction of its carboxy terminal DNA binding domain with the amino terminal transactivation domain. Following dimerization ATF2 becomes a short lived protein that undergoes ubiquitination and proteolysis, seemingly in a protein phosphatase-dependent mechanism. Stimulation of the transcriptional activity of ATF2 occurs following cellular stress induced by several genotoxic agents, inflammatory cytokines, and UV irradiation. This activation requires phosphorylation of two threonine residues in ATF2 by both JNK/SAP kinase and p38 MAP kinase. ATF2 is abundantly expressed in brain.

Function:
Transcriptional activator, probably constitutive, which binds to the cAMP-responsive element (CRE) (consensus: 5'-GTGACGT[AC][AG]-3'), a sequence present in many viral and cellular promoters. Interaction with JUN redirects JUN to bind to CRES preferentially over the 12-O-tetradecanoylphorbol-13-acetate response elements (TRES) as part of an ATF2/JUN complex.

Subunit:
Binds DNA as a dimer and can form a homodimer in the absence of DNA. Can form a heterodimer with JUN. Interacts with SMAD3 and SMAD4. Binds through its N-terminal region to UTF1 which acts as a coactivator of ATF2 transcriptional activity.

Subcellular Location:
Nucleus.

Tissue Specificity:
Abundant expression seen in the brain.

Post-translational modifications:
Phosphorylation of Thr-69 by MAPK14 and MAPK11, and at Thr-71 by MAPK1/ERK2, MAPK3/ERK1, MAPK11, MAPK12 and MAPK14 in response to external stimulus like insulin causes increased transcriptional activity. Phosphorylated by PLK3 following hyperosmotic stress. Also phosphorylated and activated by JNK and CaMK4.

Similarity:
Belongs to the bZIP family. ATF subfamily.
Contains 1 bZIP domain.
Contains 1 C2H2-type zinc finger.

Gene ID:
1386

Database links:

Entrez Gene: 1386 Human

Entrez Gene: 100047997 Mouse

Entrez Gene: 11909 Mouse

Entrez Gene: 81647 Rat

Omim: 123811 Human

SwissProt: P15336 Human

SwissProt: P16951 Mouse

SwissProt: Q00969 Rat

Unigene: 592510 Human

Unigene: 209903 Mouse

Unigene: 9825 Rat
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