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STUB1 Rabbit pAb (bs-15405R)  
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50ul/1180.00元
100ul/1980.00元
200ul/2800.00元
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产品编号 bs-15405R
英文名称 STUB1 Rabbit pAb
中文名称 E3泛素蛋白连接酶CHIP蛋白抗体
别    名 CHIP_HUMAN; E3 ubiquitin-protein ligase CHIP; CHIP; EC:2.3.2.27; Antigen NY-CO-7; CLL-associated antigen KW-8; Carboxy terminus of Hsp70-interacting protein; RING-type E3 ubiquitin transferase CHIP; STIP1 homology and U box-containing protein 1; PP1131; SCA48; UBOX1; SCAR16; HSPABP2; NY-CO-7; SDCCAG7;  
研究领域 细胞生物  免疫学  染色质和核信号  信号转导  表观遗传学  
抗体来源 Rabbit
克隆类型 Polyclonal
克 隆 号
交叉反应 Human,Mouse,Rat (predicted: Pig,Sheep,Cow,Chicken,Dog,Horse)
产品应用 WB=1:500-2000,IHC-P=1:100-500,IHC-F=1:100-500,IF=1:100-500
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
理论分子量 35 kDa
检测分子量
细胞定位 细胞浆 
性    状 Liquid
浓    度 1mg/ml
免 疫 原 KLH conjugated synthetic peptide derived from human STUB1: 101-200/303 
亚    型 IgG
纯化方法 affinity purified by Protein A
缓 冲 液 0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol.
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.
PubMed PubMed
产品介绍 This gene encodes a protein containing tetratricopeptide repeat and a U-box that functions as a ubiquitin ligase/cochaperone. The encoded protein binds to and ubiquitinates shock cognate 71 kDa protein (Hspa8) and DNA polymerase beta (Polb), among other targets. Mutations in this gene cause spinocerebellar ataxia, autosomal recessive 16. Alternative splicing results in multiple transcript variants. There is a pseudogene for this gene on chromosome 2. [provided by RefSeq, Jun 2014]

Function:
E3 ubiquitin-protein ligase which targets misfolded chaperone substrates towards proteasomal degradation. Collaborates with ATXN3 in the degradation of misfolded chaperone substrates: ATXN3 restricting the length of ubiquitin chain attached to STUB1/CHIP substrates and preventing further chain extension. Ubiquitinates NOS1 in concert with Hsp70 and Hsp40. Modulates the activity of several chaperone complexes, including Hsp70, Hsc70 and Hsp90. Mediates transfer of non-canonical short ubiquitin chains to HSPA8 that have no effect on HSPA8 degradation. Mediates polyubiquitination of DNA polymerase beta (POLB) at 'Lys-41', 'Lys-61' and 'Lys-81', thereby playing a role in base-excision repair: catalyzes polyubiquitination by amplifying the HUWE1/ARF-BP1-dependent monoubiquitination and leading to POLB-degradation by the proteasome. Mediates polyubiquitination of CYP3A4. Ubiquitinates EPHA2 and may regulate the receptor stability and activity through proteasomal degradation.

Subunit:
Homodimer (By similarity). Interacts with BAG2, and with the E2 ubiquitin conjugating enzymes UBE2D1, UBE2D2 and UBE2D3. Interacts with the C-terminal domains of HSPA8 and HSPA1A. Detected in a ternary complex containing STUB1, HSPA1A and HSPBP1. Interacts with MKKS. Interacts with DYX1C1 and POLB. Interacts (via TPR repeats) with HSP90AA1. Interacts (when monoubiquitinated) with ATXN3. Interacts with UBE2W (By similarity). Interacts (via the U-box domain) with the UBE2V2-UBE2N heterodimer; the complex has a specific 'Lys-63'-linked polyubiquitination activity. Interacts with DNAJB6.

Subcellular Location:
Cytoplasm.

Tissue Specificity:
Highly expressed in skeletal muscle, heart, pancreas, brain and placenta. Detected in kidney, liver and lung.

Post-translational modifications:
Monoubiquitinated at Lys-2 following cell stress by UBE2W, promoting the interaction with ATXN3 (By similarity). Auto-ubiquitinated; mediated by UBE2D1 and UBE2D2.

Similarity:
Contains 3 TPR repeats.
Contains 1 U-box domain.

SWISS:
Q9UNE7

Gene ID:
10273

Database links:

Entrez Gene: 10273 Human

Entrez Gene: 56424 Mouse

Entrez Gene: 287155 Rat

SwissProt: Q9UNE7 Human

SwissProt: Q9WUD1 Mouse



产品图片
Sample: Hela(Human) Cell Lysate at 30 ug Primary: Anti-CHIP (bs-15405R) at 1/1000 dilution Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution Predicted band size: 35 kD Observed band size: 35 kD
Paraformaldehyde-fixed, paraffin embedded (rat brain); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (CHIP) Polyclonal Antibody, Unconjugated (bs-15405R) at 1:200 overnight at 4°C, followed by operating according to SP Kit(Rabbit) (sp-0023) instructionsand DAB staining.
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