ATF4 Recombinant Rabbit Monoclonal Antibody [SD20-92] - BSA and Azide free
Catalog# HA750292
ATF4 Recombinant Rabbit Monoclonal Antibody [SD20-92] - BSA and Azide free
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WB
-
IF-Cell
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IF-Tissue
-
IHC-P
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Human
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Mouse
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Rat
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ET1612-37
含抗保成分
-
unconjugated
概述
产品名称
ATF4 Recombinant Rabbit Monoclonal Antibody [SD20-92] - BSA and Azide free
抗体类型
Recombinant Rabbit monoclonal Antibody
免疫原
Recombinant protein within Human ATF4 aa 1-220 / 351.
种属反应性
Human, Mouse, Rat
验证应用
WB, IF-Cell, IF-Tissue, IHC-P
分子量
Predicted band size: 39 kDa
阳性对照
HeLa cell lysate, HL-60 cell lysate, Mouse testis tissue lysate, Rat testis tissue lysate, Neuro-2a, human colon carcinoma tissue, human liver carcinoma tissue, human thyroid tissue, human prostate carcinoma tissue, human skin tissue, human breast carcinoma tissue, human stomach carcinoma tissue, human small intestine tissue, mouse colon tissue.
偶联
unconjugated
克隆号
SD20-92
产品特性
形态
Liquid
存放说明
Store at +4℃ after thawing. Aliquot store at -20℃ or -80℃. Avoid repeated freeze / thaw cycles.
存储缓冲液
PBS (pH7.4).
亚型
IgG
纯化方式
Protein A affinity purified.
应用稀释度
-
WB
-
1:2,000-1:5,000
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IF-Cell
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1:100-1:200
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IF-Tissue
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1:200-1:500
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IHC-P
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1:200-1:1,000
靶点
功能
Eukaryotic gene transcription is regulated by sequence-specific transcription factors which bind modular cis-acting promoter and enhancer elements. The cAMP response element (CRE), one of the best studied of such elements, consists of the palindromic octanucleotide TGACGTCA. Several CRE binding proteins have been identified within the ATF/CREB family, the best characterized of which include CREB-1, CREB-2 (also designated ATF-4), ATF-1, ATF-2 and ATF-3. These proteins share highly related COOH terminal leucine zipper dimerization and basic DNA binding domains but are highly divergent in their amino terminal domains. Although each of the ATF/CREB proteins appear capable of binding CRE in its homodimeric form, certain of these also bind as heterodimers, both within the ATF/CREB family and even with members of the AP-1 transcription factor family.
背景文献
1. Zhu H et al. Activating transcription factor 4 promotes esophageal squamous cell carcinoma invasion and metastasis in mice and is associated with poor prognosis in human patients. PLoS One 9:e103882 (2014).
2. Lenna S et al. HLA-B35 and dsRNA induce endothelin-1 via activation of ATF4 in human microvascular endothelial cells. PLoS One 8:e56123 (2013).
序列相似性
Belongs to the bZIP family.
翻译后修饰
Ubiquitinated by SCF(BTRC) in response to mTORC1 signal, followed by proteasomal degradation and leading to down-regulate expression of SIRT4. Interaction with EP300/p300 inhibits ubiquitination by SCF(BTRC).; Phosphorylation at Ser-245 by RPS6KA3/RSK2 in osteoblasts enhances transactivation activity and promotes osteoblast differentiation. 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 (By similarity). Phosphorylation is promoted by mTORC1 (By similarity). Phosphorylation at Ser-215 by CK2 decreases its stability. Phosphorylated by NEK6.; Hydroxylated by PHD3, leading to decreased protein stability.
亚细胞定位
Nucleus, Nucleus speckle, Cell membrane, Cytoplasm, Centrosome.
别名
Activating transcription factor 4 antibody
ATF 4 antibody
ATF4 antibody
ATF4 protein antibody
ATF4_HUMAN antibody
cAMP-dependent transcription factor ATF-4 antibody
cAMP-responsive element-binding protein 2 antibody
CREB 2 antibody
CREB-2 antibody
CREB2 antibody
展开图片
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Western blot analysis of ATF4 on different lysates with Rabbit anti-ATF4 antibody (HA750292) at 1/5,000 dilution.
Lane 1: HeLa cell lysate (20 µg/Lane)
Lane 2: HL-60 cell lysate (20 µg/Lane)
Lane 3: Mouse testis tissue lysate (40 µg/Lane)
Lane 4: Rat testis tissue lysate (40 µg/Lane)
Predicted band size: 39 kDa
Observed band size: 55 kDa
Exposure time: 1 minute; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA750292) at 1/5,000 dilution was used in primary antibody dilution (K1803) at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature. -
Immunocytochemistry analysis of Neuro-2a cells labeling ATF4 with Rabbit anti-ATF4 antibody (HA750292) at 1/100 dilution.
Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 in PBS for 15 minutes at room temperature, then blocked with 1% BSA in 10% negative goat serum for 1 hour at room temperature. Cells were then incubated with Rabbit anti-ATF4 antibody (HA750292) at 1/100 dilution in 1% BSA in PBST overnight at 4 ℃. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. Nuclear DNA was labelled in blue with DAPI.
Beta tubulin (HA601187, red) was stained at 1/100 dilution overnight at +4℃. Goat Anti-Mouse IgG H&L (iFluor™ 594, HA1126) was used as the secondary antibody at 1/1,000 dilution. -
Immunohistochemical analysis of paraffin-embedded human colon carcinoma tissue with Rabbit anti-ATF4 antibody (HA750292) at 1/1,000 dilution.
The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) (high pressure) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750292) at 1/1,000 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human liver carcinoma tissue with Rabbit anti-ATF4 antibody (HA750292) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750292) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human thyroid tissue with Rabbit anti-ATF4 antibody (HA750292) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750292) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human prostate carcinoma tissue with Rabbit anti-ATF4 antibody (HA750292) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750292) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human skin tissue with Rabbit anti-ATF4 antibody (HA750292) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750292) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human breast carcinoma tissue with Rabbit anti-ATF4 antibody (HA750292) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750292) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human stomach carcinoma tissue with Rabbit anti-ATF4 antibody (HA750292) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750292) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human small intestine tissue with Rabbit anti-ATF4 antibody (HA750292) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750292) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded mouse colon tissue with Rabbit anti-ATF4 antibody (HA750292) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750292) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded rat
colon tissue with Rabbit anti-ATF4 antibody (HA750292) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) (high pressure) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750292) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
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