產品編號 yb-1531R
英文名稱 Anti-ATF4抗體
中文名稱 活化轉錄因子4抗體
別    名 Cyclic AMP response element binding protein 2; DNA binding protein TAXREB67; Activating Transcription Factor 4; ATF 4; ATF4 protein; CREB 2; CREB2; CREB-2; Cyclic AMP dependent transcription factor ATF 4; Tax Responsive Enhancer Element B67; TAXREB67; TXREB.
Anti-ATF4抗體 
說 明 書 0.1ml  0.2ml  
研究領域 腫瘤  信號轉導  細胞凋亡  轉錄調節因子  
抗體來源 Rabbit
克隆類型 Polyclonal
交叉反應 Human, Mouse, Rat, Dog, Pig, Cow, Horse, Rabbit, Sheep, 
產品應用 WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500 （石蠟切片需做抗原修復） 
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
分 子 量 38kDa
性    狀 Lyophilized or Liquid
濃    度 1mg/1ml
免 疫 原 KLH conjugated synthetic peptide derived from human ATF4
亞    型 IgG
純化方法 affinity purified by Protein A
儲 存 液 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
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.

PubMed PubMed
產品介紹 background:
This gene encodes a transcription factor that was originally identified as a widely expressed mammalian DNA binding protein that could bind a tax-responsive enhancer element in the LTR of HTLV-1. The encoded protein was also isolated and characterized as the cAMP-response element binding protein 2 (CREB-2). The protein encoded by this gene belongs to a family of DNA-binding proteins that includes the AP-1 family of transcription factors, cAMP-response element binding proteins (CREBs) and CREB-like proteins. These transcription factors share a leucine zipper region that is involved in protein-protein interactions, located C-terminal to a stretch of basic amino acids that functions as a DNA binding domain. Two alternative transcripts encoding the same protein have been described. Two pseudogenes are located on the X chromosome at q28 in a region containing a large inverted duplication. [provided by RefSeq, Sep 2011]

Function:
Transcriptional activator. Binds the cAMP response element (CRE) (consensus: 5'-GTGACGT[AC][AG]-3'), a sequence present in many viral and cellular promoters. Cooperates with FOXO1 in osteoblasts to regulate glucose homeostasis through suppression of beta-cell production and decrease in insulin production. It binds to a Tax-responsive enhancer element in the long terminal repeat of HTLV-I. Regulates the induction of DDIT3/CHOP and asparagine synthetase (ASNS) in response to ER stress. In concert with DDIT3/CHOP, activates the transcription of TRIB3 and promotes ER stress-induced neuronal apoptosis by regulating the transcriptional induction of BBC3/PUMA. Activates transcription of SIRT4.

Subunit:
Binds DNA as a homo- or heterodimer. Interacts (via its leucine zipper domain) with GABBR1 and GABBR2 (via their C-termini). Interacts (via its DNA binding domain) with FOXO1 (C-terminal half); the interaction occurs in osteoblasts and regulates glucose homeostasis through suppression of beta-cell proliferation and a decrease in insulin production. Interacts with SATB2; the interaction results in enhanced DNA binding and transactivation by these transcription factors. Interacts with CEP290 (via an N-terminal region). Interacts with NEK6, DAPK2 (isoform 2) and ZIPK/DAPK3. Forms a heterodimer with TXLNG in osteoblasts. Interacts with DDIT3/CHOP.

Subcellular Location:
Cytoplasm. Cell membrane. Nucleus. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Note=Colocalizes with GABBR1 in hippocampal neuron dendritic membranes. Co- localizes with NEK6 in the centrosome.

Post-translational modifications:
Ubiquitinated by SCF(BTRC) in response to mTORC1 signal, followed by proteasomal degradation and leading to down-regulate expression of SIRT4. 
Phosphorylated by NEK6. Phosphorylated on the betaTrCP degron motif at Ser-219, followed by phosphorylation at Thr-213, Ser-224, Ser-231, Ser-235 and Ser-248, promoting interaction with BTRC and ubiquitination. Phosphorylation is promoted by mTORC1. 
Phosphorylated by NEK6.

Similarity:
Belongs to the bZIP family. 
Contains 1 bZIP (basic-leucine zipper) domain.


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