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- 2025年10月16日
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| 规格： | 50ul | 产品价格： | ￥1180.0 |
|---|---|---|---|
| 规格： | 100ul | 产品价格： | ￥1980.0 |
| 规格： | 200ul | 产品价格： | ￥2800.0 |
| 产品编号 | bs-11229R |
| 英文名称 | OTUB1 Rabbit pAb |
| 中文名称 | 泛素特异性蛋白酶OTB1抗体 |
| 英文别名 | Deubiquitinating enzyme OTUB1; hOTU1; OTB1; OTU domain containing ubiquitin aldehyde binding protein 1; OTU domain-containing ubiquitin aldehyde-binding protein 1; OTU1; Otub1; OTUB1_HUMAN; Otubain 1; Otubain-1; Ubiquitin specific processing protease OTUB1; Ubiquitin thioesterase OTUB1; Ubiquitin-specific-processing protease OTUB1. |
| 产品应用 | WB=1:500-2000, IHC-P=1:100-500, IHC-F=1:100-500, ICC/IF=1:100-500, IF=1:100-500, ELISA=1:5000-10000 Not yet tested in other applications. |
| 交叉反应 | (Human, Mouse, Rat, Dog, Cow, Horse, Sheep) |
| 抗体来源 | Rabbit |
| 免疫原 | KLH conjugated synthetic peptide derived from human OTUB1 |
| 亚型 | IgG |
| 性状 | Liquid |
| 纯化方法 | affinity purified by Protein A |
| 克隆类型 | Polyclonal |
| 理论分子量 | 31 kDa |
| 浓度 | 1mg/ml |
| 储存液 | 0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol. |
| 研究领域 | Cell Biology > Proteolysis / Ubiquitin > Proteasome / Ubiquitin > Deubiquitination Cell Biology > Proteolysis / Ubiquitin > Proteolytic enzymes > Other proteases Epigenetics and Nuclear Signaling > DNA / RNA > DNA Damage & Repair > Homologous Recomb. Epigenetics and Nuclear Signaling > Ubiquitin & Ubiquitin Like Modifiers > Deubiquitination |
| 亚基 | Isoform 1 and isoform 2 interact with RNF128. Isoform 1 forms a ternary complex with RNF128 and USP8. Isoform 1 interacts with the C-terminal UCH catalytic domain of USP8. Isoform 2 does not associate with USP8. Interacts with FUS, ESR1 and GNB2L1/RACK1. Interacts with UBE2N/UBC13. |
| 亚细胞定位 | Cytoplasm. |
| 组织特异性 | Isoform 1 is ubiquitous. Isoform 2 is expressed only in lymphoid tissues such as tonsils, lymph nodes and spleen, as well as peripheral blood mononuclear cells. |
| 相似性 | Belongs to the peptidase C65 family. Contains 1 OTU domain. |
| 功能 | Hydrolase that can specifically remove 'Lys-48'-linked conjugated ubiquitin from proteins and plays an important regulatory role at the level of protein turnover by preventing degradation. Regulator of T-cell anergy, a phenomenon that occurs when T-cells are rendered unresponsive to antigen rechallenge and no longer respond to their cognate antigen. Acts via its interaction with RNF128/GRAIL, a crucial inductor of CD4 T-cell anergy. Isoform 1 destabilizes RNF128, leading to prevent anergy. In contrast, isoform 2 stabilizes RNF128 and promotes anergy. Surprisingly, it regulates RNF128-mediated ubiquitination, but does not deubiquitinate polyubiquitinated RNF128. Deubiquitinates estrogen receptor alpha (ESR1). Mediates deubiquitination of 'Lys-48'-linked polyubiquitin chains, but not 'Lys-63'-linked polyubiquitin chains. Not able to cleave di-ubiquitin. Also capable of removing NEDD8 from NEDD8 conjugates, but with a much lower preference compared to 'Lys-48'-linked ubiquitin. Plays a key non-catalytic role in DNA repair regulation by inhibiting activity of RNF168, an E3 ubiquitin-protein ligase that promotes accumulation of 'Lys-63'-linked histone H2A and H2AX at DNA damage sites. Inhibits RNF168 independently of ubiquitin thioesterase activity by binding and inhibiting UBE2N/UBC13, the E2 partner of RNF168, thereby limiting spreading of 'Lys-63'-linked histone H2A and H2AX marks. Inhibition occurs by binding to free ubiquitin: free ubiquitin acts as an allosteric regulator that increases affinity for UBE2N/UBC13 and disrupts interaction with UBE2V1. The OTUB1-UBE2N/UBC13-free ubiquitin complex adopts a configuration that mimics a cleaved 'Lys48'-linked di-ubiquitin chain. |
| 保存条件 | Shipped at 4℃. Store at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 注意事项 | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| 背景资料 | OTUB1 is a 271 amino acid protein that contains one OTU (ovarian tumor) domain and belongs to the OTU family of predicted cysteine proteases. Expressed as two isoforms (one of which is present throughout the body and the other of which is present only in lymphoid tissues), OTUB1 functions as a hydrolase that can remove ubiquitin residues from target proteins, thereby preventing protein degradation and playing an important role in protein turnover. OTUB1 interacts with GRAIL and, via this interaction, plays a role in the regulation and the induction of T-cell anergy, a phenomenon that occurs when T-cells are rendered unresponsive to their cognate antigens. Due to its interaction with GRAIL, OTUB1 is an important regulator of immune responses in secondary lymphoid organs. |
| 应用 | 推荐稀释比例 |
| {WB} | {1:500-2000} |
| {IHC-P} | {1:100-500} |
| {IHC-F} | {1:100-500} |
| {ICC/IF} | {1:100-500} |
| {IF} | {1:100-500} |
| {ELISA} | {1:5000-10000} |
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= NAL), appears to form upon oxidative cyclization of the nonfluorescent 2:1 lysine-HNE Michael adduct-Schiff base cross-link (Scheme 1). Polyclonal antibody (PAb) to the NAL-HNE fluorophore was raised in rabbit and found to be highly specific
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Nucleic Acid Programmable Protein Arrays: Versatile Tools for Array‐Based Functional Protein Studies
.g., Sigma) 50 mg/ml bis‐sulfosuccinimdylsuberate (BS3 ;Pierce, cat. no. PI 21580) in dimethylsulfoxide (DMSO) 5 mg/ml
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