产品: E2F1 抗体
货号: DF6797
描述: Rabbit polyclonal antibody to E2F1
应用: WB IHC
反应: Human, Mouse, Rat
预测: Pig, Bovine, Horse, Rabbit
分子量: 47kDa; 47kD(Calculated).
蛋白号: Q01094
RRID: AB_2838759

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   规格 价格 库存
 50ul RMB¥ 1250 现货
 100ul RMB¥ 2300 现货
 200ul RMB¥ 3000 现货

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产品描述

来源:
Rabbit
应用:
WB 1:500-1:2000, IHC 1:50-1:200
*The optimal dilutions should be determined by the end user.
*Tips:

WB: 适用于变性蛋白样本的免疫印迹检测. IHC: 适用于组织样本的石蜡(IHC-p)或冰冻(IHC-f)切片样本的免疫组化/荧光检测. IF/ICC: 适用于细胞样本的荧光检测. ELISA(peptide): 适用于抗原肽的ELISA检测.

反应:
Human,Mouse,Rat
预测:
Pig(100%), Bovine(100%), Horse(100%), Rabbit(100%)
克隆:
Polyclonal
特异性:
E2F1 Antibody detects endogenous levels of total E2F1.
RRID:
AB_2838759
引用格式: Affinity Biosciences Cat# DF6797, RRID:AB_2838759.
偶联:
Unconjugated.
纯化:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
保存:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
别名:

展开/折叠

Dmel\CG6376; Dmel_CG6376; drosE2F1; E(Sev-CycE)3A; E(var)3-93E; E2-promoter binding facto; E2F 1; E2F transcription factor 1; E2F-1; E2f-PA; E2f-PB; E2f-PC; E2F1; E2f1 E2F transcription factor 1; E2F1_HUMAN; Evar(3)164; KIAA4009; l(3)07172; l(3)j3B1; l(3)j3C2; l(3)rM729; mKIAA4009; OTTHUMP00000030661; PBR3; PRB binding protein E2F 1; PRB-binding protein E2F-1; RBAP 1; RBAP-1; RBAP1; RBBP-3; RBBP3; RBP 3; RBP3; Retinoblastoma-associated protein 1; Retinoblastoma-binding protein 3; Transcription factor E2F1;

抗原和靶标

免疫原:
Uniprot:
基因/基因ID:
描述:
The E2F transcription factors are essential for regulation of the cell cycle (1,2). Physiological E2F is a heterodimer composed of an E2F subunit together with a DP subunit (3, 4). Six members of the E2F family have been identified, and each E2F subunit has a DNA binding and a dimerization domain. E2F-1 to -5 activate transcription. E2F-1 to -3 bind pRb, and E2F-4 and -5 bind p107 or p130, and these interactions are under cell cycle control (5-8). E2F-1 has oncogenic properties in vivo and in vitro. E2F-1 can induce apoptosis through p53-dependent and -independent mechanisms. E2F-1 is stress-responsive, and is regulated by a PI3-kinase-like kinase family such as the ATM/ATR kinases (9-11).
序列:
MALAGAPAGGPCAPALEALLGAGALRLLDSSQIVIISAAQDASAPPAPTGPAAPAAGPCDPDLLLFATPQAPRPTPSAPRPALGRPPVKRRLDLETDHQYLAESSGPARGRGRHPGKGVKSPGEKSRYETSLNLTTKRFLELLSHSADGVVDLNWAAEVLKVQKRRIYDITNVLEGIQLIAKKSKNHIQWLGSHTTVGVGGRLEGLTQDLRQLQESEQQLDHLMNICTTQLRLLSEDTDSQRLAYVTCQDLRSIADPAEQMVMVIKAPPETQLQAVDSSENFQISLKSKQGPIDVFLCPEETVGGISPGKTPSQEVTSEEENRATDSATIVSPPPSSPPSSLTTDPSQSLLSLEQEPLLSRMGSLRAPVDEDRLSPLVAADSLLEHVREDFSGLLPEEFISLSPPHEALDYHFGLEEGEGIRDLFDCDFGDLTPLDF

种属预测

种属预测:

score>80的预测可信度较高,可尝试用于WB检测。*预测模型主要基于免疫原序列比对,结果仅作参考,不作为质保凭据。

Species
Results
Score
Pig
100
Horse
100
Bovine
100
Rabbit
100
Chicken
75
Zebrafish
63
Sheep
0
Dog
0
Xenopus
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

翻译修饰 - Q01094 作为底物

Site PTM Type Enzyme
Phosphorylation
S31 Phosphorylation Q13315 (ATM) , Q13535 (ATR)
T96 Phosphorylation
R109 Methylation
R111 Methylation
R113 Methylation
K117 Acetylation
K120 Acetylation
S121 Phosphorylation
K125 Acetylation
T135 Phosphorylation
T136 Phosphorylation
K161 Ubiquitination
K164 Ubiquitination
K185 Methylation
S307 Phosphorylation
S332 Phosphorylation Q9UHD2 (TBK1) , P06493 (CDK1)
S337 Phosphorylation P06493 (CDK1) , O43318 (MAP3K7)
S364 Phosphorylation O96017 (CHEK2) , P49137 (MAPKAPK2) , Q683Z8 (CHK2)
S375 Phosphorylation P49336 (CDK8)
S403 Phosphorylation P32780 (GTF2H1) , P49841 (GSK3B) , Q15759 (MAPK11) , O15111 (CHUK) , P50613 (CDK7)
T433 Phosphorylation P49841 (GSK3B) , P32780 (GTF2H1) , P50613 (CDK7) , Q15759 (MAPK11)

研究背景

功能:

Transcription activator that binds DNA cooperatively with DP proteins through the E2 recognition site, 5'-TTTC[CG]CGC-3' found in the promoter region of a number of genes whose products are involved in cell cycle regulation or in DNA replication. The DRTF1/E2F complex functions in the control of cell-cycle progression from G1 to S phase. E2F1 binds preferentially RB1 in a cell-cycle dependent manner. It can mediate both cell proliferation and TP53/p53-dependent apoptosis. Blocks adipocyte differentiation by binding to specific promoters repressing CEBPA binding to its target gene promoters. Positively regulates transcription of RRP1B.

翻译修饰:

Phosphorylated by CDK2 and cyclin A-CDK2 in the S-phase. Phosphorylation at Ser-364 by CHEK2 stabilizes E2F1 upon DNA damage and regulates its effect on transcription and apoptosis.

Acetylation stimulates DNA-binding. Enhanced under stress conditions such as DNA damage and inhibited by retinoblastoma protein RB1. Regulated by KAP1/TRIM28 which recruits HDAC1 to E2F1 resulting in deacetylation. Acetylated by P/CAF/KAT2B.

细胞定位:

Nucleus.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
亚基结构:

Component of the DRTF1/E2F transcription factor complex. Forms heterodimers with DP family members. The E2F1 complex binds specifically hypophosphorylated retinoblastoma protein RB1. During the cell cycle, RB1 becomes phosphorylated in mid-to-late G1 phase, detaches from the DRTF1/E2F complex, rendering E2F transcriptionally active. Viral oncoproteins, notably E1A, T-antigen and HPV E7, are capable of sequestering RB1, thus releasing the active complex. Interacts with TRRAP, which probably mediates its interaction with histone acetyltransferase complexes, leading to transcription activation. Binds TOPBP1 and EAPP. Interacts with ARID3A. Interacts with TRIM28; the interaction inhibits E2F1 acetylation through recruiting HDAC1 and represses its transcriptional activity. Interaction with KAT2B; the interaction acetylates E2F1 enhancing its DNA-binding and transcriptional activity. Interacts with BIRC2/c-IAP1 (via BIR domains). The complex TFDP1:E2F1 interacts with CEBPA; the interaction prevents CEBPA binding to target genes promoters and represses its transcriptional activity. Interacts with RRP1B. Interacts with HCFC1. Interacts with KMT2E; the interaction is probably indirect and is mediated via HCFC1.

(Microbial infection) Interacts with human cytomegalovirus/HHV-5 protein UL123.

蛋白家族:

Belongs to the E2F/DP family.

研究领域

· Cellular Processes > Cell growth and death > Cell cycle.   (View pathway)

· Cellular Processes > Cell growth and death > Cellular senescence.   (View pathway)

· Human Diseases > Drug resistance: Antineoplastic > Endocrine resistance.

· Human Diseases > Infectious diseases: Viral > Hepatitis B.

· Human Diseases > Infectious diseases: Viral > Human papillomavirus infection.

· Human Diseases > Infectious diseases: Viral > HTLV-I infection.

· Human Diseases > Cancers: Overview > Pathways in cancer.   (View pathway)

· Human Diseases > Cancers: Overview > MicroRNAs in cancer.

· Human Diseases > Cancers: Specific types > Pancreatic cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Glioma.   (View pathway)

· Human Diseases > Cancers: Specific types > Prostate cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Melanoma.   (View pathway)

· Human Diseases > Cancers: Specific types > Bladder cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Chronic myeloid leukemia.   (View pathway)

· Human Diseases > Cancers: Specific types > Small cell lung cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Non-small cell lung cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Breast cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Hepatocellular carcinoma.   (View pathway)

· Human Diseases > Cancers: Specific types > Gastric cancer.   (View pathway)

文献引用

1). Histone acetylation plays an important role in MC-LR-induced apoptosis and cycle disorder in SD rat testicular cells. Chemosphere (PubMed: 31683423) [IF=8.8]

Application: WB    Species: Rat    Sample: testicular tissue

Fig4. The effect of TSA and MC-LR on cell cycle-related genes and proteins 434 levels in co-cultured Sertoli-germ cells and SD rat testicular tissues. (A) 435 Expressions of cell cycle-related genes in vitro and (B) expressions of cell 436 cycle-related genes in vivo were detected by RT-qPCR. (C) Expressions of cell cycle-related proteins in vitro and (D) expressions of cell cycle-related proteins in 438 vivo were detected by western blotting. (E) Quantitative analysis of proteins 439 expression levels in vitro. (F) Quantitative analysis of proteins expression levels in 440 vivo. (*P<0.05 vs. the control group; #P<0.05 vs. the 36 µM MC-LR group or the 40 441 µg kg-1 MC-LR group)

2). CENPF knockdown inhibits adriamycin chemoresistance in triple-negative breast cancer via the Rb-E2F1 axis. Scientific Reports (PubMed: 36720923) [IF=4.6]

Application: WB    Species: Human    Sample: MDA-MB-231 cell

Figure 4 The Rb-E2F1 axis mediates the regulation of Chk1 expression by CENPF. (A) Colocalization of CENPF and Rb in MDA-MB-231 and MDA-MB-231/ADR cells. (B,C) Western blotting detected the binding protein of immunoprecipitated endogenous CENPF (B) or Rb (Rb). (D) Co-IP and western blotting demonstrated that CENPF and E2F1 compete for Rb binding. (E,F) Western blot analysis of the effect of CENPF knockdown on E2F1 expression.

3). CENPF Knockdown Inhibits Adriamycin Chemoresistance in Triple Negative Breast Cancer mediated by Rb-E2F1-Chk1 Axis. Research Square

Application: WB    Species: Human    Sample:

Figure 4. Rb-E2F1 axis mediates regulation of CENPF on Chk1 expression. A-B Western blot showed CENPF knockdown inhibited Rb phosphorylation in MDA-MB-231 (A) and MDA-MB-231/ADR (B). C Co-localization detections of CENPF and Rb in MDA-MB-231 and MDA-MB-231/ADR. The correlation of immunofluorescence colocalization was tested by Pearson´s coefficient. D Western blot detected the binding protein of immunoprecipitated endogenous CENPF (D) or Rb (E). F Co-IP and western blot demonstrated that CENPF and E2F1 compete for Rb binding.

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