α增強(qiáng)子結(jié)合蛋白1抗體 返回列表頁

英文名稱 ATBF1
中文名稱 α增強(qiáng)子結(jié)合蛋白1抗體
別    名 Alpha fetoprotein enhancer binding protein; AT binding transcription factor 1; AT motif binding factor; ATBT; ZFHX3; ZFHX3_HUMAN.
α增強(qiáng)子結(jié)合蛋白1抗體  
說 明 書 0.1ml  0.2ml  
研究領(lǐng)域 腫瘤  神經(jīng)生物學(xué)  轉(zhuǎn)錄調(diào)節(jié)因子  鋅指蛋白  表觀遺傳學(xué)  
抗體來源 Rabbit
克隆類型 Polyclonal
交叉反應(yīng) Human, Mouse, Rat, Chicken, Dog, Cow, Horse, Rabbit, Sheep, 
產(chǎn)品應(yīng)用 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 ICC=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 404kDa
細(xì)胞定位 細(xì)胞核 
性    狀 Lyophilized or Liquid
濃    度 1mg/1ml
免 疫 原 KLH conjugated synthetic peptide derived from human ATBF1
亞    型 IgG
純化方法 affinity purified by Protein A
儲 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4
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.
α增強(qiáng)子結(jié)合蛋白1抗體產(chǎn)品介紹 background:
AT-motif binding factor 1 (ATBF1) binds to the AT-rich core sequence element in the human a-fetoprotein enhancer (1). Alternative splicing generates the ATBF1-A and ATBF1-B (2,3). While ATBF1-A contains a 920-amino acid extension at the N-terminus, both ATBF1-A and ATBF1-B contain 4 DNA-binding homeobox domains (2,3). Additionally, ATBF1-A contains 23 zinc finger motifs while ATBF1-B contains 18 zinc finger motifs (1–3). The N-terminal extension unique to ATBF1-A has transcriptional repressor activity (4). In the small intestine, ATBF1-A inhibits expression of the brushborder enzyme aminopeptidase-N through direct binding to the AT motif element (5). Besides functioning in transcription regulation, ATBF1 also functions in ATPase activity (6). ATPase activity associated with ATBF1-A is DNA/RNA-dependent and requires both homeobox domains and zinc finger motifs (6). ATBF1 is highly expressed in spleen and brain tissues (7). The gene encoding human ATBF1 maps to chromosome 16q22.3-q23.1 (8).

Function:
ATBF1 is a transcription factor that negatively regulates alpha fetoprotein and MYB, transactivates CDKN1A, and may be a tumor suppressor. Loss of ATBF1 is one mechanism that defines the absence of growth control in prostate cancer. Presence of the isoform ABTF1-A is correlated with better prognosis in breast cancer and may also serve as a marker of endocrine responsiveness.

Subunit:
Interacts with FNBP3 (By similarity). Interacts with PIAS3.

Subcellular Location:
Nuclear

Tissue Specificity:
Not found in normal gastric mucosa but found in gastric carcinoma cells (at protein level).

Post-translational modifications:
Phosphorylated upon DNA damage, probably by ATM or ATR.

Similarity:
Contains 22 C2H2-type zinc fingers.
Contains 4 homeobox DNA-binding domains.

Database links:
UniProtKB/Swiss-Prot: Q15911.2

Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.

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