产品: 4E-BP1 抗体
货号: AF6431
描述: Rabbit polyclonal antibody to 4E-BP1
应用: WB IHC IF/ICC
反应: Human, Mouse, Rat
预测: Pig, Zebrafish, Bovine, Horse, Sheep, Rabbit, Dog, Chicken
分子量: 18kDa; 13kD(Calculated).
蛋白号: Q13541
RRID: AB_2835047

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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, IF/ICC 1:100-1:500
*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%), Zebrafish(91%), Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%), Dog(100%), Chicken(100%)
克隆:
Polyclonal
特异性:
4E-BP1 Antibody detects endogenous levels of total 4E-BP1.
RRID:
AB_2835047
引用格式: Affinity Biosciences Cat# AF6431, RRID:AB_2835047.
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

4E-BP1; 4EBP1; 4EBP1_HUMAN; BP 1; eIF4E binding protein 1; eIF4E-binding protein 1; Eif4ebp1; Eukaryotic translation initiation factor 4E-binding protein 1; PHAS-I; PHASI; Phosphorylated heat- and acid-stable protein regulated by insulin 1;

抗原和靶标

免疫原:
Uniprot:
基因/基因ID:
描述:
4E-BP1 binds to eIF4E, preventing its assembly into the EIF4F complex and inhibiting cap-dependent translation. Phosphorylation of 4E-BP1 disrupts this binding, activating cap-dependent translation.
序列:
MSGGSSCSQTPSRAIPATRRVVLGDGVQLPPGDYSTTPGGTLFSTTPGGTRIIYDRKFLMECRNSPVTKTPPRDLPTIPGVTSPSSDEPPMEASQSHLRNSPEDKRAGGEESQFEMDI

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
Sheep
100
Dog
100
Chicken
100
Rabbit
100
Zebrafish
91
Xenopus
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

翻译修饰 - Q13541 作为底物

Site PTM Type Enzyme
S2 Acetylation
S2 Phosphorylation
S5 Phosphorylation
S6 Phosphorylation
S8 Phosphorylation Q13315 (ATM)
T10 Phosphorylation
S12 Phosphorylation
Y34 Phosphorylation
S35 Phosphorylation
T36 Phosphorylation P51449 (RORC) , O75582 (RPS6KA5) , P31751 (AKT2) , P42345 (MTOR)
T37 Phosphorylation P49841 (GSK3B) , Q16539 (MAPK14) , P31749 (AKT1) , P42345 (MTOR) , P06493 (CDK1) , P28482 (MAPK1) , Q5S007 (LRRK2)
T41 Phosphorylation P42345 (MTOR) , P49674 (CSNK1E)
S44 Phosphorylation P42345 (MTOR)
T45 Phosphorylation O75582 (RPS6KA5) , P28482 (MAPK1) , P42345 (MTOR) , P31751 (AKT2) , P51449 (RORC)
T46 Phosphorylation P06493 (CDK1) , Q5S007 (LRRK2) , Q16539 (MAPK14) , P42345 (MTOR) , P31749 (AKT1) , P28482 (MAPK1) , P49841 (GSK3B)
T50 Phosphorylation P49674 (CSNK1E)
Y54 Phosphorylation
K57 Ubiquitination
C62 S-Nitrosylation
R63 Methylation
S65 Phosphorylation P27361 (MAPK3) , P42345 (MTOR) , P28482 (MAPK1) , O75582 (RPS6KA5) , Q8TAI7 (RHEBL1) , P31749 (AKT1) , Q92630 (DYRK2) , Q9P1W9 (PIM2) , P06493 (CDK1) , Q16539 (MAPK14)
T68 Phosphorylation
K69 Ubiquitination
T70 Phosphorylation P28482 (MAPK1) , P06493 (CDK1) , Q16539 (MAPK14) , P42345 (MTOR) , P41279 (MAP3K8)
T77 Phosphorylation
T82 Phosphorylation
S83 Phosphorylation P42345 (MTOR) , P06493 (CDK1) , P28482 (MAPK1)
S85 Phosphorylation
S86 Phosphorylation
S94 Phosphorylation Q13315 (ATM) , Q13535 (ATR)
S96 Phosphorylation
S101 Phosphorylation Q92630 (DYRK2) , P42345 (MTOR)
S112 Phosphorylation P19784 (CSNK2A2) , P68400 (CSNK2A1) , Q13315 (ATM)

研究背景

功能:

Repressor of translation initiation that regulates EIF4E activity by preventing its assembly into the eIF4F complex: hypophosphorylated form competes with EIF4G1/EIF4G3 and strongly binds to EIF4E, leading to repress translation. In contrast, hyperphosphorylated form dissociates from EIF4E, allowing interaction between EIF4G1/EIF4G3 and EIF4E, leading to initiation of translation. Mediates the regulation of protein translation by hormones, growth factors and other stimuli that signal through the MAP kinase and mTORC1 pathways.

翻译修饰:

Phosphorylated on serine and threonine residues in response to insulin, EGF and PDGF. Phosphorylation at Thr-37, Thr-46, Ser-65 and Thr-70, corresponding to the hyperphosphorylated form, is regulated by mTORC1 and abolishes binding to EIF4E.

Ubiquitinated: when eIF4E levels are low, hypophosphorylated form is ubiquitinated by the BCR(KLHL25) complex, leading to its degradation and serving as a homeostatic mechanism to maintain translation and prevent eIF4E inhibition when eIF4E levels are low. Not ubiquitinated when hyperphosphorylated (at Thr-37, Thr-46, Ser-65 and Thr-70) or associated with eIF4E.

亚基结构:

Hypophosphorylated EIF4EBP1 competes with EIF4G1/EIF4G3 to interact with EIF4E; insulin stimulated MAP-kinase (MAPK1 and MAPK3) or mTORC1 phosphorylation of EIF4EBP1 causes dissociation of the complex allowing EIF4G1/EIF4G3 to bind and consequent initiation of translation. Interacts (via TOS motif) with RPTOR; promoting phosphorylation by mTORC1.

蛋白家族:

The TOS motif mediates interaction with RPTOR, leading to promote phosphorylation by mTORC1 complex.

Belongs to the eIF4E-binding protein family.

研究领域

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

· Environmental Information Processing > Signal transduction > ErbB signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > HIF-1 signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > mTOR signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > PI3K-Akt signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > AMPK signaling pathway.   (View pathway)

· Genetic Information Processing > Translation > RNA transport.

· Human Diseases > Drug resistance: Antineoplastic > EGFR tyrosine kinase inhibitor resistance.

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

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

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

· Organismal Systems > Aging > Longevity regulating pathway.   (View pathway)

· Organismal Systems > Endocrine system > Insulin signaling pathway.   (View pathway)

文献引用

1). Liu XW et al. Protective effects and potential mechanisms of (2-Carboxyethyl) dimethylsulfonium Bromide (Br-DMPT) on gill health status of on-growing grass carp (Ctenopharyngodon idella) after infection with Flavobacterium columnare. FISH & SHELLFISH IMMUNOLOGY 2020 Aug 6;S1050-4648(20)30517-9. (PubMed: 32771611) [IF=4.7]

Application: WB    Species: grass carp    Sample: gill

Fig. 8. |Western blot analysis of TOR protein phosphorylation (p-TOR Ser2448) (A), S6K1 protein phosphorylation (p-S6K1 Thr-389) (B), 4EBP1 protein phosphorylation (Thr-37/46) (C) in the gill of on-growing grass carp fed diets containing graded levels of Br-DMPT for 60 days, then infected with F. columnare for 3 days.Data represent means of six fish in each group, error bars indicate S.D. Values having different letters are significantly different (P < 0.05).

2). Shi et al. Qi Dan Li Xin pill improves chronic heart failure by regulating mTOR/p70S6k-mediated autophagy and inhibiting apoptosis. Scientific Reports 2020 Apr 8;10(1):6105. (PubMed: 32269242) [IF=4.6]

Application: WB    Species: rat    Sample:

Figure 8. (Fan). |Protein amounts of mTOR pathway efectors. (A) Representative immunoblot bands of various proteins.

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